CAUTION!

1. 2. 3. About the setting of Hyper Threading Technology, please check page 28. This motherboard supports Untied Overclocking Technology. Please read Untied Overclocking Technology on page 24 for details. This motherboard supports Dual Channel Memory Technology. Before you implement Dual Channel Memory Technology, make sure to read the installation guide of memory modules on page 17 for proper installation. Although this motherboard offers stepless control, it is not recommended to perform over-clocking. Frequencies other than the recommended CPU bus frequencies may cause the instability of the system or damage the 5. CPU. While CPU overheat is detected, the system will automatically shutdown. Before you resume the system, please check if the CPU fan on the motherboard functions properly and unplug the power cord, then plug it back again. To improve heat dissipation, remember to spray thermal grease between the CPU and the heatsink when you install the PC system. 6. For the information of the compatible PCI Express VGA cards, please refer to the Supported PCI Express VGA Card List for AGI Express Slot (PCI Express x4) on page 10. For the proper installation of PCI Express VGA card, please refer to the installation guide on page 18. 7. For microphone input, this motherboard supports both stereo and mono modes. For audio output, this motherboard supports 2-channel, 4-channel, 6-channel, and 8-channel modes. Please check the table on page 12 for proper connection. 8. Before installing SATAII hard disk to SATAII connector, please read the SATAII Hard Disk Setup Guide on page 23 to adjust your SATAII hard disk drive to SATAII mode. You can also connect SATA hard disk to SATAII connector directly. 9. Power Management for USB 2.0 works fine under Microsoft Windows VistaTM / XP 64-bit / XP SP1 or SP2 / 2000 SP4.
10. Microsoft Windows VistaTM driver is not ready yet. We will update it to our website in the future. Please visit our website for Microsoft Windows VistaTM driver and related information. ASRock website http://www.asrock.com
Requirement Table Windows Minimum Hardware R equirement Table for W indows TM Vista Premium and Basic Logo
For system integrators and users who purchase this motherboard and plan to submit Windows VistaTM Premium and Basic logo, please follow the below table for minimum hardware requirement. Please adopt the CPU, memory, and VGA that we suggest.
CPU Memory Celeron D 326 512MB x 2 Dual Channel (Premium) 512MB Single Channel (Basic) 256MB x 2 Dual Channel (Basic) * If you use onboard VGA with total system memory size 512MB and plan to submit Windows VistaTM Basic logo, please adjust the shared memory size of onboard VGA to 64MB. If you use onboard VGA with total system memory size above 512MB and plan to submit Windows VistaTM Premium and Basic logo, the shared memory size of onboard VGA can be adjusted up to 128MB. * If you plan to use external graphics card on this motherboard, please refer to Premium Discrete requirement at http://www.asrock.com

Supported PCI Express VGA Card List for AGI Express Slot (PCI Express x4)
(for Windows 2000/XP/XP 64-bit/VistaTM)
Graphics Chip Vendor NVIDIA Model Name ASUS EN7600GT/2DHT ASUS EN7800GTX/2DHTV/256M ASUS Extreme N6800GT Albatron GeForce 7300GS Albatron PC6600GT Albatron PC6600LEQ2 Gigabyte GV-NX66T256DE Inno3D GeFORCE 6600 LE LEADTEK PX6500 TDH LEADTEK PX7300GS TDH Chipset Name GeForce 7600GT GeForce 7800GTX GeForce 6800GT GeForce 7300GS GeForce 6600GT GeForce 6600LE GeForce 6600GT GeForce 6600LE GeForce 6500 GeForce 7300GS
LEADTEK WinFast PX7800 GT TDH GeForce 7800 GT MSI NX6800GS-TD256E GeForce 6800 GS MSI NX7300GS-TD256E MSI NX7900GTX-T2D512E MSI PCX 5750-TD128E Sparkle GeFORCE 6200TC ATI ASUS EAX700PRO/TVD ASUS Extreme AX800XL ASUS EAX1900XT/2DHTV ABIT X600XT Gecube GC-RX700S-D3H GECUBE RX1600PG2 Gecube RX1600XTG3-D3/256M GECUBE X1800XTD-VIE3 Gecube X850XT-VIVO MSI RX1300GPRO-TD256E MSI RX1600GPRO-TD256E MSI RX1600XT-T20256EZ PowerColor X800GT PowerColor X800GTO16 GeForce 7300 GS GeForce 7900 GTX GeForce PCX5750 GeForce 6200TC Radeon X700 Pro Radeon X800 XL Radeon X1900XT Radeon X600XT Radeon X700SE Radeon X1600PRO Radeon X1600XT Radeon X1800XT Radeon X850 XT Radeon X1300 PRO Radeon X1600PRO Radeon X1600XT Radeon X800GT Radeon X800GTO
For the latest updates of the supported PCI Express VGA card list for AGI Express slot (PCI Express x4), please visit our website for details. ASRock website: http://www.asrock.com/support/index.htm

1.5 Motherboard Layout

21.8cm (8.6 in)

CPU_FAN1

PS2 Mouse

1 PS2_USB_PWR1

Dual Channel

ATX12V1

FSB800
DDRII_1 (64/72 bit, 240-pin module)
DDRII_2 (64/72 bit, 240-pin module)

Dual Core CPU

Super I/O

Conroe Presler

USB 2.0 T: USB0 Top: RJ-45 B: USB1

Intel 945GZ Chipset

AGI_EXPRESS1

775i945GZ

DDRII533

USB 2.0 T: USB2 B: USB3

24.4cm (9.6 in)

PCI LAN

CLRCMOS1

EXPRESS

7.1CH HD

SATAII_3

SATAII_4

AUDIO CODEC

USB2.0

USB45 USB67

SATAII_1

SATAII_2

SPEAKER1

1 HD_AUDIO1

4Mb BIOS

PLED PWRBTN

PANEL 1

FLOPPY1

1 HDLED
PS2_USB_PWR1 Jumper ATX 12V Connector (ATX12V1) 775-Pin CPU Socket North Bridge Controller CPU Fan Connector (CPU_FAN1) 2 x 240-pin DDRII DIMM Slots (Dual Channel: DDRII_1, DDRII_2; Yellow) Infrared Module Header (IR1) IDE1 Connector (IDE1, Blue) Serial Port Connector (COM1) Clear CMOS Jumper (CLRCMOS1) Third SATAII Connector (SATAII_3; Orange) Fourth SATAII Connector (SATAII_4; Orange) Secondary SATAII Connector (SATAII_2; Red) Chassis Speaker Header (SPEAKER 1)
Chassis Fan Connector (CHA_FAN1) System Panel Header (PANEL1) BIOS FWH Chip Primary SATAII Connector (SATAII_1; Red) South Bridge Controller USB 2.0 Header (USB67, Blue) USB 2.0 Header (USB45, Blue) Floppy Connector (FLOPPY1) HDMR Slot (HDMR1) Front Panel Audio Header (HD_AUDIO1) Internal Audio Connector: CD1 (Black) PCI Slots (PCI1- 3) AGI Express Slot (PCI Express x4) ATX Power Connector (ATXPWR1)

CHA_FAN1

SATAII

Intel ICH7

CMOS Battery

PS2 Keyboard

PARALLEL PORT

Top: REAR SPK

Bottom: CTR BASS Center: SIDE SPK

ATXPWR1

Bottom: MIC IN

Top: LINE IN

Center: FRONT

HD 8CH I/O

Microphone (Pink) USB 2.0 Ports (USB01) USB 2.0 Ports (USB23) VGA Port PS/2 Keyboard Port (Purple) PS/2 Mouse Port (Green)
Parallel Port RJ-45 Port Side Speaker (Gray) Rear Speaker (Black) Central / Bass (Orange) Line In (Light Blue) Front Speaker (Lime)
* If you use 2-channel speaker, please connect the speakers plug into Front Speaker Jack. See
the table below for connection details in accordance with the type of speaker you use.
TABLE for Audio Output Connection
Audio Output Channels Front Speaker Rear Speaker (No. 7) V V V V (No. 4) -V V V Central / Bass (No. 5) --V V Side Speaker (No. 3) ---V
* To enable Multi-Streaming function, you need to connect a front panel audio cable to the front
panel audio header. After restarting your computer, you will find Mixer tool on your system. Please select Mixer ToolBox , click Enable playback multi-streaming, and click
ok. Choose 2CH, 4CH, 6CH, or 8CH and then you are allowed to select Realtek HDA Primary output to use Rear Speaker, Central/Bass, and Front Speaker, or select Realtek HDA Audio 2nd output to use front panel audio.

Chapter 2 Installation

775i945GZ is a Micro ATX form factor (9.6" x 8.6", 24.4 x 21.8 cm) motherboard. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it.

Make sure to unplug the power cord before installing or removing the motherboard. Failure to do so may cause physical injuries to you and damages to motherboard components.

2.1 Screw Holes

Place screws into the holes indicated by circles to secure the motherboard to the chassis.
Do not over-tighten the screws! Doing so may damage the motherboard.
2.2 Pre-installation Precautions
Take note of the following precautions before you install motherboard components or change any motherboard settings. 1. Unplug the power cord from the wall socket before touching any component. 2. To avoid damaging the motherboard components due to static electricity, NEVER place your motherboard directly on the carpet or the like. Also remember to use a grounded wrist strap or touch a safety grounded object before you handle components. 3. Hold components by the edges and do not touch the ICs. 4. Whenever you uninstall any component, place it on a grounded antistatic pad or in the bag that comes with the component.
Before you install or remove any component, ensure that the power is switched off or the power cord is detached from the power supply. Failure to do so may cause severe damage to the motherboard, peripherals, and/or components.

2.3 CPU Installation

For the installation of Intel 775-LAND CPU, please follow the steps below.
775-Pin Socket Overview Before you insert the 775-LAND CPU into the socket, please check if the CPU surface is unclean or if there is any bent pin on the socket. Do not force to insert the CPU into the socket if above situation is found. Otherwise, the CPU will be seriously damaged.
CPU Marked Corner Step 1. Open the socket: Step 1-1. Disengaging the lever by depressing Lift Lever Up to 90 down and out on the Socket Marked Corner hook to clear retention tab.
Step 1-2. Rotate the load lever to fully open position at approximately 135 degrees. Step 1-3. Rotate the load plate to fully open position at approximately 100 degrees. Step 2. Insert the 775-LAND CPU: Step 2-1. Hold the CPU by the edges where are marked with black lines.

black line

Step 2-2. Orient the CPU with IHS (Integrated Heat Sink) up. Locate Pin1 and the two orientation key notches.
Pin1 orientation key notch orientation key notch Pin1 alignment key alignment key
775-Pin Socket 775-LAND CPU
For proper inserting, please ensure to match the two orientation key notches of the CPU with the two alignment keys of the socket.
Step 2-3. Carefully place the CPU into the socket by using a purely vertical motion. Step 2-4. Verify that the CPU is within the socket and properly mated to the orient keys. Step 3. Remove PnP Cap (Pick and Place Cap): Use your left hand index finger and thumb to support the load plate edge, engage PnP cap with right hand thumb and peel the cap from the socket while pressing on center of PnP cap to assist in removal.

1. It is recommended to use the cap tab to handle and avoid kicking off the PnP cap. 2. This cap must be placed if returning the motherboard for after service.
Step 4. Close the socket: Step 4-1. Rotate the load plate onto the IHS. Step 4-2. While pressing down lightly on load plate, engage the load lever. Step 4-3. Secure load lever with load plate tab under retention tab of load lever.
Installation of CPU Fan and Heatsink
This motherboard is equipped with 775-Pin socket that supports Intel 775-LAND CPU. Please adopt the type of heatsink and cooling fan compliant with Intel 775-LAND CPU to dissipate heat. Before you installed the heatsink, you need to spray thermal interface material between the CPU and the heatsink to improve heat dissipation. Ensure that the CPU and the heatsink are securely fastened and in good contact with each other. Then connect the CPU fan to the CPU_FAN connector (CPU_FAN1, see page 11, No. 5). For proper installation, please kindly refer to the instruction manuals of your CPU fan and heatsink. Below is an example to illustrate the installation of the heatsink for 775-LAND CPU. Step 1. Apply thermal interface material onto center of IHS on the socket surface.

Step 2.

Step 3. Step 4.
Place the heatsink onto the socket. Ensure fan cables are oriented on side closest to the CPU fan connector on the motherboard (CPU_FAN1, see page 11, No. 5). Align fasteners with the motherboard throughholes. Rotate the fastener clockwise, then press down on fastener caps with thumb to install and lock. Repeat with remaining fasteners.
If you press down the fasteners without rotating them clockwise, the heatsink cannot be secured on the motherboard.

Step 5. Step 6.

Connect fan header with the CPU fan connector on the motherboard. Secure excess cable with tie-wrap to ensure cable does not interfere with fan operation or contact other components.
2.5 Installation of Memory Modules (DIMM)
775i945GZ motherboard provides two 240-pin DDRII (Double Data Rate) DIMM slots, and supports Dual Channel Memory Technology. For dual channel configuration, you always need to install two identical (the same brand, speed, size and chip-type) memory modules in the DDRII DIMM slots to activate Dual Channel Memory Technology. Otherwise, it will operate at single channel mode.

2.12 Driver Installation Guide
To install the drivers to your system, please insert the support CD to your optical drive first. Then, the drivers compatible to your system can be auto-detected and listed on the support CD driver page. Please follow the order from up to bottom side to install those required drivers. Therefore, the drivers you install can work properly.
2.13 HDMR Card and Driver Installation
If you do not insert HDMR card to this motherboard, and you finish installing all drivers to your system now, but in the future, you plan to use HDMR card function on this motherboard, please follow the steps below then. 1. Insert HDMR card to HDMR slot on this motherboard. Please make sure that the HDMR card is completely seated on the slot. 2. Install HDMR card driver from our support CD to your system. 3. Reboot your system.
Technology 2.14 Untied Overclocking Technology
This motherboard supports Untied Overclocking Technology, which means during overclocking, FSB enjoys better margin due to fixed PCI / PCIE bus. You may set CPU Host Frequency option of BIOS setup to [Auto], which will show you the actual CPU host frequency in the following item. Therefore, CPU FSB is untied during overclocking, but PCI / PCIE bus is in the fixed mode so that FSB can operate under a more stable overclocking environment.
Chapter 3 BIOS SETUP UTILITY

3.1 Introduction

This section explains how to use the BIOS SETUP UTILITY to configure your system. The BIOS FWH chip on the motherboard stores the BIOS SETUP UTILITY. You may run the BIOS SETUP UTILITY when you start up the computer. Please press <F2> during the Power-On-Self-Test (POST) to enter the BIOS SETUP UTILITY, otherwise, POST will continue with its test routines. If you wish to enter the BIOS SETUP UTILITY after POST, restart the system by pressing <Ctl> + <Alt> + <Delete>, or by pressing the reset button on the system chassis. You may also restart by turning the system off and then back on. Because the BIOS software is constantly being updated, the following BIOS setup screens and descriptions are for reference purpose only, and they may not exactly match what you see on your screen.

3.3 Advanced Screen

In this section, you may set the configurations for the following items: CPU Configuration, Chipset Configuration, ACPI Configuration, IDE Configuration, PCIPnP Configuration, Floppy Configuration, SuperIO Configuration, and USB Configuration.

Advanced

BIOS SETUP UTILITY H/W Monitor Boot

Security

Configure CPU

Advanced Settings

WARNING : Setting wrong values in below sections may cause system to malfunction. CPU Configuration Chipset Configuration ACPI Configuration IDE Configuration PCIPnP Configuration Floppy Configuration SuperIO Configuration USB Configuration

Enter F1 F9 F10 ESC

Select Screen Select Item Go to Sub Screen General Help Load Defaults Save and Exit Exit
Setting wrong values in this section may cause the system to malfunction.

3.3.1 CPU Configuration

BIOS SETUP UTILITY Advanced CPU Configuration
CPU Host Frequency Actual Frequency (MHz) Boot Failure Guard Spread Spectrum [Auto] [200] [Enabled] [Auto] Select how to set the CPU host frequency.
Ratio Status Unlocked (Max :17, Min : 14) Ratio Actual Value 17 [17] Ratio CMOS Setting Enhance Halt State Max CPUID Value Limit Intel (R) Virtualization tech. CPU Thermal Throttling No-Excute Memory Protection Hyper Threading Technology Intel (R) SpeedStep(tm) tech. [Disabled] [Disabled] [Enabled] [Enabled] [Disabled] [Enabled] [Auto] +F1 F9 F10 ESC Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit
CPU Host Frequency While entering setup, BIOS auto detects the present CPU host frequency of this motherboard. The actual CPU host frequency will show in the following item. Boot Failure Guard Enable or disable the feature of Boot Failure Guard. Spread Spectrum This item should always be [Auto] for better system stability. Ratio Status This is a read-only item, which displays whether the ratio status of this motherboard is Locked or Unlocked. If it shows Unlocked, you will find an item Ratio CMOS Setting appears to allow you changing the ratio value of this motherboard.
Ratio Actual Value This is a read-only item, which displays the ratio actual value of this motherboard. Ratio CMOS Setting If the ratio status is unlocked, you will find this item appear to allow you changing the ratio value of this motherboard. Enhance Halt State All processors support the Halt State (C1). The C1 state is supported through the native processor instructions HLT and MWAIT and requires no hardware support from the chipset. In the C1 power state, the processor maintains the context of the system caches. Max CPUID Value Limit For Prescott CPU only, some OSes (ex. NT4.0) cannot handle the function with disable. This should be enabled in order to boot legacy OSes that cannot support CPUs with extended CPUID functions. Intel (R) Virtualization tech. When this option is set to [Enabled], a VMM (Virtual Machine Architecture) can utilize the additional hardware capabilities provided by Vanderpool Technology. This option will be hidden if the installed CPU does not support Intel (R) Virtualization Technology. CPU Thermal Throttling You may select [Enabled] to enable P4 CPU internal thermal control mechanism to keep the CPU from overheated. No-Excute Memory Protection No-Execution (NX) Memory Protection Technology is an enhancement to the IA-32 Intel Architecture. An IA-32 processor with No Execute (NX) Memory Protection can prevent data pages from being used by malicious software to execute code. This option will be hidden if the current CPU does not support No-Excute Memory Protection. Hyper Threading Technology To enable this feature, it requires a computer system with an Intel Pentium4 processor that supports Hyper-Threading technology and an operating system that includes optimization for this technology, such as Microsoft Windows XP. Set to [Enabled] if using Microsoft Windows XP, or Linux kernel version 2.4.18 or higher. This option will be hidden if the installed CPU does not support Hyper-Threading technology. Intel (R) SpeedStep(tm) tech. Intel (R) SpeedStep(tm) tech. is Intels new power saving technology. Processor can switch between multiple frequency and voltage points to enable power savings. If you select [Auto], you need to set the Power Schemes as Portable/Laptop to enable this function.

3.3.2 Chipset Configuration
BIOS SETUP UTILITY Advanced Chipset Configuration
[Auto] DRAM Frequency [Disabled] Flexibility Option Configure DRAM Timing by SPD [Enabled] [Auto] DRAM CAS# Latency Onboard VGA Selection DVMT Mode Select DVMT/FIXED Memory PCIE Frequency OnBoard HD Audio Front Panel Control OnBoard LAN VCCM (DRAM) Voltage VDDQ (1.25V) Voltage [Auto] [DVMT Mode] [128MB] [Auto] [Auto] [Auto] [Enabled] [Auto] [Auto] +F1 F9 F10 ESC Options Auto 200MHz 266MHz (DDRII400) (DDRII533)
Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit
DRAM Frequency If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assigns appropriate frequency automatically. You may also select other value as operating frequency: [200MHz (DDRII 400)], [266MHz (DDRII 533)]. Flexibility Option The default value of this option is [Disabled]. It will allow better tolerance for memory compatibility when it is set to [Enabled]. Configure DRAM Timing by SPD Select [Enabled] will configure the following items by the contents in the SPD (Serial Presence Detect) device. If you select [Disabled], you will find the items DRAM RAS# to CAS# Delay, DRAM RAS# Precharge, and DRAM RAS# Activate to Precharge appear to allow you adjusting them. DRAM CAS# Latency Use this item to adjust the means of memory accessing. Configuration options are [6], [5], [4], [3], and [Auto]. DRAM RAS# to CAS# Delay This controls the latency between the DRAM active command and the read / write command. Configuration options: [2 DRAM Clocks], [3 DRAM Clocks], [4 DRAM Clocks], [5 DRAM Clocks], and [6 DRAM Clocks]. DRAM RAS# Precharge This controls the idle clocks after a precharge command is issued. Configuration options: [2 DRAM Clocks], [3 DRAM Clocks], [4 DRAM Clocks], [5 DRAM Clocks], and [6 DRAM Clocks]. DRAM RAS# Activate to Precharge This controls the number of DRAM clocks for TRAS. Configuration options: [4 DRAM Clocks], [5 DRAM Clocks], [6 DRAM Clocks], [7 DRAM Clocks], [8 DRAM Clocks], [9 DRAM Clocks], [10 DRAM Clocks], [11 DRAM Clocks], [12
DRAM Clocks], [13 DRAM Clocks], [14 DRAM Clocks], and [15 DRAM Clocks]. Onboard VGA Selection This allows you to enjoy the benefits of Surround Display feature. If you select [Auto], the onboard VGA will be automatically disabled when you install PCI Express x16 VGA card; the onboard VGA will be enabled without the installation of any add-on VGA card. If you select [Enabled], the onboard VGA will be enabled, and your first screen will always be onboard VGA. DVMT Mode Select Use this option to adjust DVMT mode. Configuration options: [Fixed Mode], [DVMT Mode] and [Fixed+DVMT Mode]. The default value is [DVMT Mode]. DVMT (Dynamic Video Memory Technology) is an architecture that offers breakthrough performance for the motherboard through efficient memory utilization. In Fixed mode, a fixed-size fragment of the system memory is allocated to the graphics core. In DVMT mode, the graphics driver allocates memory as needed for running graphics applications and is cooperatively using this memory with other system components. In Fixed+DVMT mode, the graphics processor gets a fixed-size chunk of 64MB of memory and up to 64MB of dynamically-allotted memory. This mode guarantees that at least 64MB of memory is available to the graphics core, with a possibility to increase this amount to 128MB, if necessary. DVMT/FIXED Memory You are allowed to adjust the shared memory size in this item if you set DVMT Mode Select as [DVMT Mode]. Configuration options: [64MB], [128MB] and [Maximum DVMT]. PCIE Frequency Use this option to adjust PCIE frequency. The default value is [Auto]. OnBoard HD Audio Select [Auto], [Enabled] or [Disabled] for the onboard HD Audio feature. If you select [Auto], the onboard HD Audio will be disabled when PCI Sound Card is plugged. Front Panel Control Select [Auto], [Enabled] or [Disabled] for the onboard HD Audio Front Panel. OnBoard LAN This allows you to enable or disable the OnBoard LAN feature. VCCM (DRAM) Voltage Use this to select VCCM (DRAM) Voltage. Configuration options: [High], [Middle], [Low], and [Auto]. The default value of this feature is [Auto]. VDDQ (1.25V) Voltage Configuration options: [High], [Low] and [Auto]. The default value of this feature is [Auto].

3.3.3 ACPI Configuration

BIOS SETUP UTILITY Advanced ACPI Configuration
Suspend To RAM Restore on AC/Power Loss Ring-In Power On PCI Devices Power On PS / 2 Keyboard Power On RTC Alarm Power On [Disabled] [Power Off] [Disabled] [Disabled] [Disabled] [Disabled] Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit Select auto-detect or disable the STR feature.

+F1 F9 F10 ESC

Suspend to RAM This field allows you to select whether to auto-detect or disable the Sus pend-to-RAM feature. Select [Auto] will enable this feature if the system supports it. Restore on AC/Power Loss This allows you to set the power state after an unexpected AC/ Power loss. If [Power Off] is selected, the AC/Power remains off when the power recovers. If [Power On] is selected, the AC/Power resumes and the system starts to boot up when the power recovers. Ring-In Power On Use this item to enable or disable Ring-In signals to turn on the system from the power-soft-off mode. PCI Devices Power On Use this item to enable or disable PCI devices to turn on the system from the power-soft-off mode. PS/2 Keyboard Power On Use this item to enable or disable PS/2 keyboard to turn on the system from the power-soft-off mode. RTC Alarm Power On Use this item to enable or disable RTC (Real Time Clock) to power on the system.

3.3.4 IDE Configuration

BIOS SETUP UTILITY Advanced IDE Configuration
ATA/IDE Configuration SATAII_1 SATAII_2 SATAII_3 SATAII_4 IDE1 Master IDE1 Slave [Enhanced] [Hard Disk] [Not Detected] [Not Detected] [Not Detected] [ATAPI CDROM] [Not Detected] Set [Compatible] when Legacy OS (MS-DOS, Win NT) device is used. Set [Enhanced] when Native OS (Win2000 / XP) is used.
ATA/IDE Configuration Please select [Compatible] when you install legacy OS (Windows NT). If native OS (Windows 2000 / XP) is installed, please select [Enhanced]. When [Compatible] is selected Combined Option It allows you to select between [SATA 1, SATA 2, SATA 3, SATA 4], [SATA 1, SATA 3, IDE 1], and [IDE 1, SATA 2, SATA 4]. If it is set to [SATA 1, SATA 3, IDE 1], then SATAII_2, SATAII_4 will not work. Likewise, if it is set to [IDE 1, SATA 2, SATA 4], then SATAII_1, SATAII_3 will not work.
Because Intel ICH7 south bridge only supports four IDE devices under legacy OS (Windows NT), you have to choose [SATA 1, SATA 2, SATA 3, SATA 4], [SATA 1, SATA 3, IDE 1], or [IDE 1, SATA 2, SATA 4] when the installed device is used with legacy OS. [SATA 1, SATA 2, SATA 3, SATA 4] Master Slave SATAII_1, SATAII_2 SATAII_3, SATAII_4 [SATA 1, SATA 3, IDE 1] SATAII_1 SATAII_3 [IDE 1, SATA 2, SATA 4] SATAII_2 SATAII_4
IDE Device Configuration You may set the IDE configuration for the device that you specify. We will use the Primary IDE Master as the example in the following instruction.

BIOS SETUP UTILITY Advanced Primary IDE Master
Device Vendor Size LBA Mode Block Mode PIO Mode Async DMA Ultra DMA S.M.A.R.T. Type LBA/Large Mode Block (Multi-Sector Transfer) PIO Mode DMA Mode S.M.A.R.T. 32Bit Data Transfer :Hard Disk :ST340014A :40.0 GB :Supported :16Sectors :4 :MultiWord DMA-2 :Ultra DMA-5 :Supported [Auto] [Auto] [Auto] [Auto] [Auto] [Disabled] [Enabled]
Select the type of device connected to the system.
TYPE Use this item to configure the type of the IDE device that you specify. Configuration options: [Not Installed], [Auto], [CD/DVD], and [ARMD]. [Not Installed]: Select [Not Installed] to disable the use of IDE device. [Auto]: Select [Auto] to automatically detect the hard disk drive. After selecting the hard disk information into BIOS, use a disk utility, such as FDISK, to partition and format the new IDE hard disk drives. This is necessary so that you can write or read data from the hard disk. Make sure to set the partition of the Primary IDE hard disk drives to active. [CD/DVD]: This is used for IDE CD/DVD drives. [ARMD]: This is used for IDE ARMD (ATAPI Removable Media Device), such as MO. LBA/Large Mode Use this item to select the LBA/Large mode for a hard disk > 512 MB under DOS and Windows; for Netware and UNIX user, select [Disabled] to disable the LBA/Large mode. Block (Multi-Sector Transfer) The default value of this item is [Auto]. If this feature is enabled, it will enhance hard disk performance by reading or writing more data during each transfer. PIO Mode Use this item to set the PIO mode to enhance hard disk performance by optimizing the hard disk timing. DMA Mode DMA capability allows the improved transfer-speed and data-integrity for compatible IDE devices.
S.M.A.R.T. Use this item to enable or disable the S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) feature. Configuration options: [Disabled], [Auto], [Enabled]. 32-Bit Data Transfer Use this item to enable 32-bit access to maximize the IDE hard disk data transfer rate.
3.3.5 PCIPnP Configuration
BIOS SETUP UTILITY Advanced Advanced PCI / PnP Settings
WARNING: Setting wrong values in below actions may cause system to malfunction. PCI Latency Timer PCI IDE BusMaster [32] [Enabled] Value in units of PCI clocks for PCI device latency timer register.
PCI Latency Timer The default value is 32. It is recommended to keep the default value unless the installed PCI expansion cards specifications require other settings. PCI IDE BusMaster Use this item to enable or disable the PCI IDE BusMaster feature.
3.3.6 Floppy Configuration
In this section, you may configure the type of your floppy drive.
BIOS SETUP UTILITY Advanced Floppy Configuration
Floppy A [1.44 MB 31 2"] Select the type of floppy drive connected to the system.
3.3.7 Super IO Configuration
BIOS SETUP UTILITY Advanced Configure Super IO Chipset

OnBoard Floppy Controller Serial Port Address Infrared Port Address Parallel Port Address Parallel Port Mode EPP Version ECP Mode DMA Channel Parallel Port IRQ [Enabled] [3F8 / IRQ4] [Disabled] [378] [ECP + EPP] [1.9] [DMA3] [IRQ7] Allow BIOS to Enable or Disable Floppy Controller.
OnBoard Floppy Controller Use this item to enable or disable floppy drive controller. Serial Port Address Use this item to set the address for the onboard serial port or disable it. Configuration options: [Disabled], [3F8 / IRQ4], [2F8 / IRQ3], [3E8 / IRQ4], [2E8 / IRQ3]. Infrared Port Address Use this item to set the address for the onboard infrared port or disable it. Configuration options: [Disabled], [2F8 / IRQ3], and [2E8 / IRQ3].
Parallel Port Address Use this item to set the address for the onboard parallel port or disable it. Configuration options: [Disabled], [378], and [278]. Parallel Port Mode Use this item to set the operation mode of the parallel port. The default value is [ECP+EPP]. If this option is set to [ECP+EPP], it will show the EPP version in the following item, EPP Version. Configuration options: [Normal], [Bi-Directional], and [ECP+EPP]. EPP Version Use this item to set the EPP version. Configuration options: [1.9] and [1.7]. ECP Mode DMA Channel Use this item to set the ECP mode DMA channel. Configuration options: [DMA0], [DMA1], and [DMA3]. Parallel Port IRQ Use this item to set the IRQ for the parallel port. Configuration options: [IRQ5] and [IRQ7].

3.3.8 USB Configuration

BIOS SETUP UTILITY Advanced USB Configuration
USB Controller USB 2.0 Support Legacy USB Support [Enabled] [Enabled] [Disabled] To enable or disable the onboard USB controllers.
USB Controller Use this item to enable or disable the use of USB controller. USB 2.0 Support Use this item to enable or disable the USB 2.0 support. Legacy USB Support Use this item to enable or disable the support to emulate legacy I/O devices such as mouse, keyboard,. etc. Or you may select [Auto] so that the system will start to auto-detect; if there is no USB device connected, Auto option will disable the legacy USB support.
3.4 Hardware Health Event Monitoring Screen
In this section, it allows you to monitor the status of the hardware on your system, including the parameters of the CPU temperature, motherboard temperature, CPU fan speed, chassis fan speed, and the critical voltage.
BIOS SETUP UTILITY Boot H/W Monitor
Target Fan Speed Fast Middle Slow
Hardware Health Event Monitoring
CPU Temperature M / B Temperature CPU Fan Speed Chassis Fan Speed Vcore + 3.30V + 5.00V + 12.00V CPU Quiet Fan Target CPU Temperature ( C) Tolerance ( C) Target Fan Speed : 37 C / 98 F : 31 C / 87 F : 3400 RPM : N/A : : : : 1.629V 3.306V 5.067V 11.890V [Enabled] [50] [02] [Fast]

F1 F9 F10 ESC

Select Screen Select Item General Help Load Defaults Save and Exit Exit

CPU Quiet Fan This item allows you to identify the temperature of CPU fan. If you set this option as [Disabled], the CPU fan will operate in full speed. If you set this option as [Enabled], you will find the items Target CPU Temperature ( C), Tolerance ( C), and Minimun Fan Speed appear to allow you adjusting them. The default value is [Disabled]. Target CPU Temperature ( C) The target temperature will be between 45 C and 65 C. The default value is [50]. Tolerance ( C) The default value of tolerance is [2], which means the error of the target CPU temperature will be within 2 C. Target Fan Speed Use this option to set the target fan speed. You can freely adjust the target fan speed according to the target CPU temperature that you choose. The default value is [Fast]. Configuration options: [Fast], [Middle] and [Slow].

3.5 Boot Screen

In this section, it will display the available devices on your system for you to configure the boot settings and the boot priority.
Main Advanced BIOS SETUP UTILITY H/W Monitor Boot Security Exit

Boot Settings

Boot Settings Configuration 1st Boot Device 2nd Boot Device 3rd Boot Device Hard Disk Drives Removable Drives CD/DVD Drives [1st Floppy Device] [HDD: PM - HDS722580VL] [CD / DVD: 3S - CD - ROM C]
Configure Settings during System Boot.
3.5.1 Boot Settings Configuration
BIOS SETUP UTILITY Boot Boot Settings Configuration
Boot From Network Bootup Num-Lock [Disabled] [On] To enable or disable the boot from network feature.
Boot From Network Use this item to enable or disable the Boot From Network feature. Boot Up Num-Lock If this item is set to [On], it will automatically activate the Numeric Lock function after boot-up.

3.6 Security Screen

In this section, you may set or change the supervisor/user password for the system. For the user password, you may also clear it.

Security Settings

Supervisor Password : Not Installed User Password : Not Installed Change Supervisor Password Change User Password

Copyright Notice:

No part of this installation guide may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation by the purchaser for backup purpose, without written consent of ASRock Inc. Products and corporate names appearing in this guide may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners benefit, without intent to infringe.

Disclaimer:

Specifications and information contained in this guide are furnished for informational use only and subject to change without notice, and should not be constructed as a commitment by ASRock. ASRock assumes no responsibility for any errors or omissions that may appear in this guide. With respect to the contents of this guide, ASRock does not provide warranty of any kind, either expressed or implied, including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose. In no event shall ASRock, its directors, officers, employees, or agents be liable for any indirect, special, incidental, or consequential damages (including damages for loss of profits, loss of business, loss of data, interruption of business and the like), even if ASRock has been advised of the possibility of such damages arising from any defect or error in the guide or product.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. ASRock Website: http://www.asrock.com
Published July 2006 Copyright2006 ASRock INC. All rights reserved.
ASRock 775i945GZ Motherboard

English

Layout Motherboard Layout
PS2_USB_PWR1 Jumper ATX 12V Connector (ATX12V1) 775-Pin CPU Socket North Bridge Controller CPU Fan Connector (CPU_FAN1) 2 x 240-pin DDRII DIMM Slots (Dual Channel: DDRII_1, DDRII_2; Yellow) Infrared Module Header (IR1) IDE1 Connector (IDE1, Blue) Serial Port Connector (COM1) Clear CMOS Jumper (CLRCMOS1) Third SATAII Connector (SATAII_3; Orange) Fourth SATAII Connector (SATAII_4; Orange) Secondary SATAII Connector (SATAII_2; Red) Chassis Speaker Header (SPEAKER 1)
Chassis Fan Connector (CHA_FAN1) System Panel Header (PANEL1) BIOS FWH Chip Primary SATAII Connector (SATAII_1; Red) South Bridge Controller USB 2.0 Header (USB67, Blue) USB 2.0 Header (USB45, Blue) Floppy Connector (FLOPPY1) HDMR Slot (HDMR1) Front Panel Audio Header (HD_AUDIO1) Internal Audio Connector: CD1 (Black) PCI Slots (PCI1- 3) AGI Express Slot (PCI Express x4) ATX Power Connector (ATXPWR1)

HD 8CH I/O

Parallel Port RJ-45 Port Side Speaker (Gray) Rear Speaker (Black) Central / Bass (Orange) Line In (Light Blue) Front Speaker (Lime)
Microphone (Pink) USB 2.0 Ports (USB01) USB 2.0 Ports (USB23) VGA Port PS/2 Keyboard Port (Purple) PS/2 Mouse Port (Green)
* If you use 2-channel speaker, please connect the speakers plug into Front Speaker Jack. See
the table below for connection details in accordance with the type of speaker you use.
TABLE for Audio Output Connection
Audio Output Channels Front Speaker Rear Speaker (No. 7) (No. 4) 2 V -4 V V 6 V V 8 V V Central / Bass (No. 5) --V V Side Speaker (No. 3) ---V
panel audio header. After restarting your computer, you will find Mixer tool on your system. Please select Mixer ToolBox , click Enable playback multi-streaming, and click ok. Choose 2CH, 4CH, 6CH, or 8CH and then you are allowed to select Realtek HDA Primary output to use Rear Speaker, Central/Bass, and Front Speaker, or select Realtek HDA Audio 2nd output to use front panel audio.
* To enable Multi-Streaming function, you need to connect a front panel audio cable to the front

1. Introduction

Thank you for purchasing ASRock 775i945GZ motherboard, a reliable motherboard produced under ASRocks consistently stringent quality control. It delivers excellent performance with robust design conforming to ASRocks commitment to quality and endurance. This Quick Installation Guide contains introduction of the motherboard and step-bystep installation guide. More detailed information of the motherboard can be found in the user manual presented in the Support CD.
Because the motherboard specifications and the BIOS software might be updated, the content of this manual will be subject to change without notice. In case any modifications of this manual occur, the updated version will be available on ASRock website without further notice. You may find the latest VGA cards and CPU support lists on ASRock website as well. ASRock website http://www.asrock.com

1.1 Package Contents

ASRock 775i945GZ Motherboard (Micro ATX Form Factor: 9.6-in x 8.6-in, 24.4 cm x 21.8 cm) ASRock 775i945GZ Quick Installation Guide ASRock 775i945GZ Support CD (including LGA 775 CPU Installation Live Demo) One 80-conductor Ultra ATA 66/100 IDE Ribbon Cable One Ribbon Cable for a 3.5-in Floppy Drive One Serial ATA (SATA) Data Cable (Optional) One Serial ATA (SATA) HDD Power Cable (Optional) One HD 8CH I/O Shield One COM Port Bracket One HDMR Card (Optional)
English English English English English

Specifications

- Micro ATX Form Factor: 9.6-in x 8.6-in, 24.4 cm x 21.8 cm - LGA 775 for Intel Dual Core Pentium D / Pentium 4 / Celeron D, supporting CoreTM 2 Duo Desktop (Conroe), Presler and Cedar Mill processors (in 775-land LGA package) - FSB 800/533 MHz - Supports Hyper-Threading Technology (see CAUTION 1) - Supports Untied Overclocking Technology (see CAUTION 2) - Supports EM64T CPU - Northbridge: Intel 945GZ - Southbridge: Intel ICH7 - Dual Channel DDRII Memory Technology (see CAUTION 3) - 2 x DDRII DIMM slots - Support DDRII533 - Max. capacity: 2GB - CPU Frequency Stepless Control (see CAUTION 4) - ASRock U-COP (see CAUTION 5) - Boot Failure Guard (B.F.G.) - 3 x PCI slots - 1 x AGI Express slot (PCI Express x4) (see CAUTION 6) - 1 x HDMR slot - Intel Graphics Media Accelerator 950 - Pixel Shader 2.0, DirectX 9.0 - Max. shared memory 192MB - Realtek ALC888 7.1 channel audio CODEC with High Definition audio - Realtek PCI LAN 8101L - Speed: 10/100 Ethernet - Supports Wake-On-LAN HD 8CH I/O - 1 x PS/2 Mouse Port - 1 x PS/2 Keyboard Port - 1 x VGA Port - 1 x Parallel Port (ECP/EPP Support) - 4 x Ready-to-Use USB 2.0 Ports - 1 x RJ-45 LAN Port - HD Audio Jack: Side Speaker/Rear Speaker/Central/Bass/ Line in/Front Speaker/Microphone (see CAUTION 7)

Platform CPU

Chipset Memory

Hybrid Booster

Expansion Slot

Graphics

Audio LAN

Rear Panel I/O

Connector

BIOS Feature

Support CD Hardware Monitor

OS Certifications

- 4 x SATAII 3.0 Gb/s connectors (No Support for RAID and Hot Plug functions) (see CAUTION 8) - 1 x ATA100 IDE connector (supports 2 x IDE devices) - 1 x Floppy connector - 1 x IR header - 1 x COM port header - CPU/Chassis FAN connector - 20 pin ATX power connector - 4 pin 12V power connector - CD in header - Front panel audio connector - 2 x USB 2.0 headers (support 4 USB 2.0 ports) (see CAUTION 9) - 4Mb AMI BIOS - AMI Legal BIOS - Supports Plug and Play - ACPI 1.1 Compliance Wake Up Events - Supports jumperfree - AMBIOS 2.3.1 Support - Drivers, Utilities, AntiVirus Software (Trial Version) - CPU Temperature Sensing - Chassis Temperature Sensing - CPU Fan Tachometer - Chassis Fan Tachometer - CPU Quiet Fan - Voltage Monitoring: +12V, +5V, +3.3V, Vcore - Microsoft Windows 2000/XP/XP 64-bit/VistaTM compliant (see CAUTION 10) - FCC, CE, WHQL

CAUTION!

1. 2. 3. About the setting of Hyper Threading Technology, please check page 28 of User Manual in the support CD. This motherboard supports Untied Overclocking Technology. Please read Untied Overclocking Technology on page 20 for details. This motherboard supports Dual Channel Memory Technology. Before you implement Dual Channel Memory Technology, make sure to read the installation guide of memory modules on page 13 for proper installation. Although this motherboard offers stepless control, it is not recommended to perform over-clocking. Frequencies other than the recommended CPU bus frequencies may cause the instability of the system or damage the CPU. While CPU overheat is detected, the system will automatically shutdown. Before you resume the system, please check if the CPU fan on the motherboard functions properly and unplug the power cord, then plug it back again. To improve heat dissipation, remember to spray thermal grease between the CPU and the heatsink when you install the PC system. For the information of the compatible PCI Express VGA cards, please refer to the Supported PCI Express VGA Card List for AGI Express Slot (PCI Express x4) on page 9. For the proper installation of PCI Express VGA card, please refer to the installation guide on page 14. For microphone input, this motherboard supports both stereo and mono modes. For audio output, this motherboard supports 2-channel, 4-channel, 6-channel, and 8-channel modes. Please check the table on page 3 for proper connection. Before installing SATAII hard disk to SATAII connector, please read the SATAII Hard Disk Setup Guide on page 19 to adjust your SATAII hard disk drive to SATAII mode. You can also connect SATA hard disk to SATAII connector directly. Power Management for USB 2.0 works fine under Microsoft Windows
VistaTM / XP 64-bit / XP SP1 or SP2 / 2000 SP4. 10. Microsoft Windows VistaTM driver is not ready yet. We will update it to our website in the future. Please visit our website for Microsoft Windows VistaTM driver and related information. ASRock website http://www.asrock.com
Requirement Table Windows Minimum Hardware R equirement Table for W indows TM Vista Premium and Basic Logo
For system integrators and users who purchase this motherboard and plan to submit Windows VistaTM Premium and Basic logo, please follow the below table for minimum hardware requirement. Please adopt the CPU, memory, and VGA that we suggest.
CPU Memory Celeron D 326 512MB x 2 Dual Channel (Premium) 512MB Single Channel (Basic) 256MB x 2 Dual Channel (Basic)

* If you use onboard VGA with total system memory size 512MB and plan to submit Windows VistaTM Basic logo, please adjust the shared memory size of onboard VGA to 64MB. If you use onboard VGA with total system memory size above 512MB and plan to submit Windows VistaTM Premium and Basic logo, the shared memory size of onboard VGA can be adjusted up to 128MB. * If you plan to use external graphics card on this motherboard, please refer to Premium Discrete requirement at http://www.asrock.com
Supported PCI Express VGA Card List for AGI Express Slot (PCI Express x4)
(for Windows 2000/XP/XP 64-bit/VistaTM)
Graphics Chip Vendor NVIDIA Model Name ASUS EN7600GT/2DHT ASUS EN7800GTX/2DHTV/256M ASUS Extreme N6800GT Albatron GeForce 7300GS Albatron PC6600GT Albatron PC6600LEQ2 Gigabyte GV-NX66T256DE Inno3D GeFORCE 6600 LE LEADTEK PX6500 TDH LEADTEK PX7300GS TDH LEADTEK WinFast PX7800 GT TDH MSI NX6800GS-TD256E MSI NX7300GS-TD256E MSI NX7900GTX-T2D512E MSI PCX 5750-TD128E Sparkle GeFORCE 6200TC ASUS EAX700PRO/TVD ASUS Extreme AX800XL ASUS EAX1900XT/2DHTV ABIT X600XT Gecube GC-RX700S-D3H GECUBE RX1600PG2 Gecube RX1600XTG3-D3/256M GECUBE X1800XTD-VIE3 Gecube X850XT-VIVO MSI RX1300GPRO-TD256E MSI RX1600GPRO-TD256E MSI RX1600XT-T20256EZ PowerColor X800GT PowerColor X800GTO16 Chipset Name GeForce 7600GT GeForce 7800GTX GeForce 6800GT GeForce 7300GS GeForce 6600GT GeForce 6600LE GeForce 6600GT GeForce 6600LE GeForce 6500 GeForce 7300GS GeForce 7800 GT GeForce 6800 GS GeForce 7300 GS GeForce 7900 GTX GeForce PCX5750 GeForce 6200TC Radeon X700 Pro Radeon X800 XL Radeon X1900XT Radeon X600XT Radeon X700SE Radeon X1600PRO Radeon X1600XT Radeon X1800XT Radeon X850 XT Radeon X1300 PRO Radeon X1600PRO Radeon X1600XT Radeon X800GT Radeon X800GTO
For the latest updates of the supported PCI Express VGA card list for AGI Express slot (PCI Express x4), please visit our website for details. ASRock website: http://www.asrock.com/support/index.htm

2. Installation

Pre-installation Precautions
Take note of the following precautions before you install motherboard components or change any motherboard settings. 1. Unplug the power cord from the wall socket before touching any component. Failure to do so may cause severe damage to the motherboard, peripherals, and/or components. 2. To avoid damaging the motherboard components due to static electricity, NEVER place your motherboard directly on the carpet or the like. Also remember to use a grounded wrist strap or touch a safety grounded object before you handle components. 3. Hold components by the edges and do not touch the ICs. 4. Whenever you uninstall any component, place it on a grounded antstatic pad or in the bag that comes with the component. 5. When placing screws into the screw holes to secure the motherboard to the chassis, please do not over-tighten the screws! Doing so may damage the motherboard.

2.1 CPU Installation

For the installation of Intel 775-LAND CPU, please follow the steps below.
775-Pin Socket Overview Before you insert the 775-LAND CPU into the socket, please check if the CPU surface is unclean or if there is any bent pin on the socket. Do not force to insert the CPU into the socket if above situation is found. Otherwise, the CPU will be seriously damaged.
Step 1. Open the socket: Step 1-1. Disengaging the lever by depressing down and out on the hook to clear retention tab.
Step 1-2. Rotate the load lever to fully open position at approximately 135 degrees. Step 1-3. Rotate the load plate to fully open position at approximately 100 degrees. Step 2. Insert the 775-LAND CPU: Step 2-1. Hold the CPU by the edges where are marked with black lines.

black line

Step 2-2. Orient the CPU with IHS (Integrated Heat Sink) up. Locate Pin1 and the two orientation key notches.
Pin1 orientation key notch orientation key notch Pin1 alignment key alignment key
775-Pin Socket 775-LAND CPU
For proper inserting, please ensure to match the two orientation key notches of the CPU with the two alignment keys of the socket.
Step 3. Remove PnP Cap (Pick and Place Cap): Use your left hand index finger and thumb to support the load plate edge, engage PnP cap with right hand thumb and peel the cap from the socket while pressing on center of PnP cap to assist in removal.
Step 2-3. Carefully place the CPU into the socket by using a purely vertical motion. Step 2-4. Verify that the CPU is within the socket and properly mated to the orient keys.
1. It is recommended to use the cap tab to handle and avoid kicking off the PnP cap. 2. This cap must be placed if returning the motherboard for after service.
Step 4. Close the socket: Step 4-1. Rotate the load plate onto the IHS. Step 4-2. While pressing down lightly on load plate, engage the load lever. Step 4-3. Secure load lever with load plate tab under retention tab of load lever.
Installation of CPU Fan and Heatsink
For proper installation, please kindly refer to the instruction manuals of your CPU fan and heatsink. Below is an example to illustrate the installation of the heatsink for 775-LAND CPU. Step 1. Apply thermal interface material onto center of IHS on the socket surface.

Step 2.

Step 3. Step 4.
Place the heatsink onto the socket. Ensure fan cables are oriented on side closest to the CPU fan connector on the motherboard (CPU_FAN1, see page 2, No. 5). Align fasteners with the motherboard throughholes. Rotate the fastener clockwise, then press down on fastener caps with thumb to install and lock. Repeat with remaining fasteners.

Step 5. Step 6.

If you press down the fasteners without rotating them clockwise, the heatsink cannot be secured on the motherboard.
Connect fan header with the CPU fan connector on the motherboard. Secure excess cable with tie-wrap to ensure cable does not interfere with fan operation or contact other components. ASRock 775i945GZ Motherboard
2.3 Installation of Memory Modules (DIMM)
775i945GZ motherboard provides two 240-pin DDRII (Double Data Rate) DIMM slots, and supports Dual Channel Memory Technology. For dual channel configuration, you always need to install two identical (the same brand, speed, size and chip-type) memory modules in the DDRII DIMM slots to activate Dual Channel Memory Technology. Otherwise, it will operate at single channel mode.
1. 2. It is not allowed to install a DDR memory module into DDRII slot; otherwise, this motherboard and DIMM may be damaged. If you install only one memory module or two non-identical memory modules, it is unable to activate the Dual Channel Memory Technology.

Installing a DIMM

Please make sure to disconnect power supply before adding or removing DIMMs or the system components.

Step 1. Step 2.

Unlock a DIMM slot by pressing the retaining clips outward. Align a DIMM on the slot such that the notch on the DIMM matches the break on the slot.
The DIMM only fits in one correct orientation. It will cause permanent damage to the motherboard and the DIMM if you force the DIMM into the slot at incorrect orientation.

Step 3.

Firmly insert the DIMM into the slot until the retaining clips at both ends fully snap back in place and the DIMM is properly seated.
2.4 Expansion Slots (PCI, HDMR and AGI Express Slots)
There are 3 PCI slots, 1 HDMR slot and 1 AGI Express slot (PCI Express x4) on this motherboard. PCI slots: PCI slots are used to install expansion cards that have the 32-bit PCI interface. HDMR slot: HDMR slot is used to insert a HDMR card (optional) with v.92 Modem functionality. AGI Express slot (PCI Express x4): AGI Express slot (PCI Express x4) is used to install PCI Express expansion cards. For the information of the compatible PCI Express VGA cards, please refer to the Supported PCI Express VGA Card List for AGI Express Slot (PCI Express x4) on page 9.

1. If you install the add-on PCI Express VGA card, BIOS setup will automatically disable the onboard VGA. 2. Please make sure to set the BIOS onboard VGA selection into Enabled if you want this motherboard to support Surround Display. Then the onboard VGA in Windows will be the primary VGA card.
Installing an expansion card
Step 1. Before installing the expansion card, please make sure that the power supply is switched off or the power cord is unplugged. Please read the documentation of the expansion card and make necessary hardware settings for the card before you start the installation. Remove the bracket facing the slot that you intend to use. Keep the screws for later use. Align the card connector with the slot and press firmly until the card is completely seated on the slot. Fasten the card to the chassis with screws.

Step 2. Step 3. Step 4.

2.5 Surround Display Feature
Thanks to ASRock patented AGI Express Technology, this motherboard supports Surround Display upgrade. With the internal onboard VGA and the external add-on PCI Express VGA card, you can easily enjoy the benefits of Surround Display feature. Please make sure to set the BIOS onboard VGA selection into Enabled, and start your computer with onboard VGA if you want this motherboard to support multi-monitors. For the detailed instruction, please refer to the document at the following path in the Support CD:.\ Surround Display Information

2.6 Jumpers Setup

The illustration shows how jumpers are setup. When the jumper cap is placed on pins, the jumper is Short. If no jumper cap is placed on pins, the jumper is Open. The illustration shows a 3-pin jumper whose pin1 and pin2 are Short when jumper cap is placed on these 2 pins. Jumper PS2_USB_PWR1 Setting
Description Short pin2, pin3 to enable (see p.2 No. 1) +5VSB (standby) for PS/2 or USB wake up events. Note: To select +5VSB, it requires 2 Amp and higher standby current provided by power supply. Clear CMOS
(CLRCMOS1, 2-pin jumper) (see p.2 No. 10)

2-pin jumper

Note: CLRCMOS1 allows you to clear the data in CMOS. The data in CMOS includes system setup information such as system password, date, time, and system setup parameters. To clear and reset the system parameters to default setup, please turn off the computer and unplug the power cord from the power supply. After waiting for 15 seconds, use a jumper cap to short 2 pins on CLRCMOS1 for 5 seconds.

2.7 Onboard Headers and Connectors
Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage of the motherboard!

FDD connector

(33-pin FLOPPY1) (see p.2 No. 22) the red-striped side to Pin1
Note: Make sure the red-striped side of the cable is plugged into Pin1 side of the connector. Primary IDE connector (Blue)
(39-pin IDE1, see p.2 No. 8)
connect the blue end to the motherboard
connect the black end to the IDE devices
80-Conductor ATA 66/100 cable Note: Please refer to the instruction of your IDE device vendor for the details. Serial ATAII Connectors
(SATAII_1: see p.2, No. 18) (SATAII_2: see p.2, No. 13) (SATAII_3: see p.2, No. 11) (SATAII_4: see p.2, No. 12)

SATAII_3

SATAII_4

SATAII_1

SATAII_2
These Serial ATAII (SATAII) connectors support SATAII or SATA hard disk for internal storage devices. The current SATAII interface allows up to 3.0 Gb/s data transfer rate. Either end of the SATA data cable can be connected to the SATA / SATAII hard disk or the SATAII connector on the motherboard. Please connect the black end of SATA power cable to the power connector on each drive. Then connect the white end of SATA power cable to the power connector of the power supply.
Serial ATA (SATA) Data Cable
Serial ATA (SATA) Power Cable

(Optional)

connect to the SATA HDD power connector
connect to the power supply

USB 2.0 Headers

(9-pin USB67) (see p.2 No. 20)
Besides four default USB 2.0 ports on the I/O panel, there are two USB 2.0 headers on this motherboard. Each USB 2.0 header can support two USB 2.0 ports.
(9-pin USB45) (see p.2 No. 21)

Infrared Module Header

(5-pin IR1) (see p.2 No. 7)
This header supports an optional wireless transmitting and receiving infrared module. This connector allows you to receive stereo audio input from sound sources such as a CD-ROM, DVD-ROM, TV tuner card, or MPEG card. This is an interface for front panel audio cable that allows convenient connection and control of audio devices.

Internal Audio Connector

(4-pin CD1) (CD1: see p.2 No. 25)

Front Panel Audio Header

(9-pin HD_AUDIO1) (see p.2 No. 24)
1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. Please follow the instruction in our manual and chassis manual to install your system. 2. If you use AC97 audio panel, please install it to the front panel audio header as below: A. Connect Mic_IN (MIC) to MIC2_L. B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L. C. Connect Ground (GND) to Ground (GND). D. MIC_RET and OUT_RET are for HD audio panel only. You dont need to connect them for AC97 audio panel. E. Enter BIOS Setup Utility. Enter Advanced Settings, and then select Chipset Configuration. Set the Front Panel Control option from [Auto] to [Enabled].
F. Enter Windows system. Click the icon on the lower right hand taskbar to enter Realtek HD Audio Manager. Click Audio I/O, select Connector Settings , choose Disable front panel jack detection, and save the change by clicking OK.

System Panel Header

(9-pin PANEL1) (see p.2 No. 16)
This header accommodates several system front panel functions.

Chassis Speaker Header

(4-pin SPEAKER 1) (see p.2 No. 14)
Please connect the chassis speaker to this header.

Chassis Fan Connector

(3-pin CHA_FAN1) (see p.2 No. 15)
Please connect a chassis fan cable to this connector and match the black wire to the ground pin. Please connect a CPU fan cable to this connector and match the black wire to the ground pin. Please connect an ATX power supply to this connector.

CPU Fan Connector

(4-pin CPU_FAN1) (see p.2 No. 5)

ATX Power Connector

(20-pin ATXPWR1) (see p.2 No. 28)

ATX 12V Connector

(4-pin ATX12V1) (see p.2 No. 2)
Please note that it is necessary to connect a power supply with ATX 12V plug to this connector so that it can provides sufficient power. Failing to do so will cause the failure to power up. This COM1 header supports a serial port module.

Serial port Header

(9-pin COM1) (see p.2 item 9)
SAT SATAII Hard Disk Setup Guide
Before installing SATAII hard disk to your computer, please carefully read below SATAII hard disk setup guide. Some default setting of SATAII hard disks may not be at SATAII mode, which operate with the best performance. In order to enable SATAII function, please follow the below instruction with different vendors to correctly adjust your SATAII hard disk to SATAII mode in advance; otherwise, your SATAII hard disk may fail to run at SATAII mode. Western Digital
If pin 5 and pin 6 are shorted, SATA 1.5Gb/s will be enabled. On the other hand, if you want to enable SATAII 3.0Gb/s, please remove the jumpers from pin 5 and pin 6. SAMSUNG
If pin 3 and pin 4 are shorted, SATA 1.5Gb/s will be enabled. On the other hand, if you want to enable SATAII 3.0Gb/s, please remove the jumpers from pin 3 and pin 4. HITACHI Please use the Feature Tool, a DOS-bootable tool, for changing various ATA features. Please visit HITACHIs website for details: http://www.hitachigst.com/hdd/support/download.htm

The above examples are just for your reference. For different SATAII hard disk products of different vendors, the jumper pin setting methods may not be the same. Please visit the vendors website for the updates.
AT (SAT AT (SAT Serial ATA (SATA) / Serial ATAII (SATAII) Hard Disks Installation
This motherboard adopts Intel ICH7 south bridge chipset that supports Serial ATA (SATA) / Serial ATAII (SATAII) hard disks. You may install SATA / SATAII hard disks on this motherboard for internal storage devices. This section will guide you to install the SATA / SATAII hard disks. STEP 1: Install the SATA / SATAII hard disks into the drive bays of your chassis. STEP 2: Connect the SATA power cable to the SATA / SATAII hard disk. STEP 3: Connect one end of the SATA data cable to the motherboards SATAII connector. STEP 4: Connect the other end of the SATA data cable to the SATA / SATAII hard disk.
2.10 Driver Installation Guide
To install the drivers to your system, please insert the support CD to your optical drive first. Then, the drivers compatible to your system can be auto-detected and listed on the support CD driver page. Please follow the order from up to bottom side to install those required drivers. Therefore, the drivers you install can work properly.
2.11 HDMR Card and Driver Installation
If you do not insert HDMR card to this motherboard, and you finish installing all drivers to your system now, but in the future, you plan to use HDMR card function on this motherboard, please follow the steps below then. 1. Insert HDMR card to HDMR slot on this motherboard. Please make sure that the HDMR card is completely seated on the slot. 2. Install HDMR card driver from our support CD to your system. 3. Reboot your system.
Technology 2.12 Untied Overclocking Technology
This motherboard supports Untied Overclocking Technology, which means during overclocking, FSB enjoys better margin due to fixed PCI / PCIE bus. You may set CPU Host Frequency option of BIOS setup to [Auto], which will show you the actual CPU host frequency in the following item. Therefore, CPU FSB is untied during overclocking, but PCI / PCIE bus is in the fixed mode so that FSB can operate under a more stable overclocking environment.

3. BIOS Information

The BIOS Setup Utility is stored in the BIOS FWH chip. When you start up the computer, please press <F2> during the Power-On-Self-Test (POST) to enter the BIOS Setup Utility; otherwise, POST continues with its test routines. If you wish to enter the BIOS Setup Utility after POST, please resume the system by pressing <Ctl> + <Alt> + <Delete>, or pressing the reset button on the system chassis. For the detailed information about the BIOS Setup Utility, please refer to the User Manual (PDF file) contained in the Support CD.

4. Software Suppor t CD information Support
This motherboard supports various Microsoft Windows operating systems: 2000 / XP / XP 64-bit / VistaTM. The Support CD that came with the motherboard contains necessary drivers and useful utilities that will enhance motherboard features. To begin using the Support CD, insert the CD into your CD-ROM drive. It will display the Main Menu automatically if AUTORUN is enabled in your computer. If the Main Menu does not appear automatically, locate and double-click on the file ASSETUP.EXE from the BIN folder in the Support CD to display the menus.
LGA 775 CPU Installation Live Demo This motherboard is equipped with Intel LGA 775 socket, which is a new CPU socket interface that Intel has released. Since it has several tiny pins, whcih are easily to be damaged by improper handling, ASRock sincerely presents you a clear installation guide through this LGA 775 CPU Installation Live Demo. We hope you may check this live demo program before you start the installation of LGA 775 CPU in order to reduce the risks of CPU and motherboard damages caused by any improper handling. To see this Live Demo, you can run Microsoft Media Player to play the file. You may find this Live Demo in the motherboards Support CD through the following path:.\ MPEGAV \ LGA775INST.DAT
LGA 775 CPU Installation Live Demo

1. Einfhrung

Wir danken Ihnen fr den Kauf des ASRock 775i945GZ Motherboard, ein zuverlssiges Produkt, welches unter den stndigen, strengen Qualittskontrollen von ASRock gefertigt wurde. Es bietet Ihnen exzellente Leistung und robustes Design, gem der Verpflichtung von ASRock zu Qualitt und Halbarkeit. Diese Schnellinstallationsanleitung fhrt in das Motherboard und die schrittweise Installation ein. Details ber das Motherboard finden Sie in der Bedienungsanleitung auf der Support-CD.
Da sich Motherboard-Spezifikationen und BIOS-Software verndern knnen, kann der Inhalt dieses Handbuches ebenfalls jederzeit gendert werden. Fr den Fall, dass sich nderungen an diesem Handbuch ergeben, wird eine neue Version auf der ASRock-Website, ohne weitere Ankndigung, verfgbar sein. Die neuesten Grafikkarten und untersttzten CPUs sind auch auf der ASRock-Website aufgelistet. ASRock-Website: http://www.asrock.com

1.1 Kartoninhalt

ASRock 775i945GZ Motherboard (Micro ATX-Formfaktor: 24.4 cm x 21.8 cm; 9.6 Zoll x 8.6 Zoll) ASRock 775i945GZ Schnellinstallationsanleitung ASRock 775i945GZ_ Support-CD (einschl. LGA 775 CPU Installation Live-Demo) Ein 80-adriges Ultra-ATA 66/100 IDE-Flachbandkabel Ein Flachbandkabel fr ein 3,5-Zoll-Diskettenlaufwerk Ein Seriell-ATA- (SATA) Datenkabel (Option) Ein Seriell-ATA (SATA) Festplattennetzkabel (Option) Ein HD 8CH I/O Shield Ein COM Port-Anschlusshalter Ein HDMR-Karte (Option)