Pack ackage 1.1 P ack age Contents
ASRock G41M-S Motherboard (Micro ATX Form Factor: 9.6-in x 7.6-in, 24.4 cm x 19.3 cm) ASRock G41M-S Quick Installation Guide ASRock G41M-S Support CD One 80-conductor Ultra ATA 66/100 IDE Ribbon Cable (Optional) One Serial ATA (SATA) Data Cable (Optional) One I/O Panel Shield

Specifications

- Micro ATX Form Factor: 9.6-in x 7.6-in, 24.4 cm x 19.3 cm - LGA 775 for Intel CoreTM 2 Extreme / CoreTM 2 Quad / CoreTM 2 Duo / Pentium Dual Core / Celeron Dual Core / Celeron, supporting Penryn Quad Core Yorkfield and Dual Core Wolfdale processors - Supports FSB1333/1066/800/533 MHz (see CAUTION 1) - Supports Hyper-Threading Technology (see CAUTION 2) - Supports Untied Overclocking Technology (see CAUTION 3) - Supports EM64T CPU - Northbridge: Intel G41 - Southbridge: Intel ICH7 - Dual Channel DDR2 Memory Technology (see CAUTION 4) - 2 x DDR2 DIMM slots - Supports DDR2 1066/800/667/533 non-ECC, un-buffered memory (see CAUTION 5) - Max. capacity of system memory: 8GB (see CAUTION 6) - 1 x PCI Express x16 slot - 1 x PCI Express x1 slot - 2 x PCI slots - Intel Graphics Media Accelerator X4500 - Pixel Shader 4.0, DirectX 10 - Max. shared memory 352MB (see CAUTION 7) - 5.1 CH Windows VistaTM Premium Level HD Audio (Realtek ALC662 Audio Codec) - Realtek PCIE x1 LAN 8103EL / 8102EL - Speed: 10/100 Ethernet - Supports Wake-On-LAN I/O Panel - 1 x PS/2 Mouse Port - 1 x PS/2 Keyboard Port - 1 x Serial Port: COM1 - 1 x VGA Port - 4 x Ready-to-Use USB 2.0 Ports - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) - HD Audio Jack: Line in / Front Speaker / Microphone

Platform CPU

Chipset Memory

Expansion Slot

Graphics

Audio LAN

Rear Panel I/O

Connector

BIOS Feature
Support CD Unique Feature

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 Print port header - CPU/Chassis FAN connector - 24 pin ATX power connector - 4 pin 12V power connector - Front panel audio connector - 2 x USB 2.0 headers (support 4 USB 2.0 ports) (see CAUTION 9) - 8Mb AMI BIOS - AMI Legal BIOS - Supports Plug and Play - ACPI 1.1 Compliance Wake Up Events - AMBIOS 2.3.1 Support - Supports Smart BIOS - Drivers, Utilities, AntiVirus Software (Trial Version) - ASRock OC Tuner (see CAUTION 10) - Intelligent Energy Saver (see CAUTION 11) - Instant Boot - ASRock Instant Flash (see CAUTION 12) - Hybrid Booster: - CPU Frequency Stepless Control (see CAUTION 13) - ASRock U-COP (see CAUTION 14) - Boot Failure Guard (B.F.G.) - 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 / VistaTM 64-bit compliant - FCC, CE - EuP Ready (EuP ready power supply is required) (see CAUTION 15)

Power Management for USB 2.0 works fine under Microsoft Windows VistaTM 64-bit / VistaTM / XP 64-bit / XP SP1 or SP2 / 2000 SP4.
10. It is a user-friendly ASRock overclocking tool which allows you to surveil your system by hardware monitor function and overclock your hardware devices to get the best system performance under Windows environment. Please visit our website for the operation procedures of ASRock OC Tuner. ASRock website: http://www.asrock.com
11. Featuring an advanced proprietary hardware and software design, Intelligent Energy Saver is a revolutionary technology that delivers unparalleled power savings. In other words, it is able to provide exceptional power saving and improve power efficiency without sacrificing computing performance. Please visit our website for the operation procedures of Intelligent Energy Saver. ASRock website: http://www.asrock.com 12. ASRock Instant Flash is a BIOS flash utility embedded in Flash ROM. This convenient BIOS update tool allows you to update system BIOS without entering operating systems first like MS-DOS or Windows. With this utility, you can press <F6> key during the POST or press <F2> key to BIOS setup menu to access ASRock Instant Flash. Just launch this tool and save the new BIOS file to your USB flash drive, floppy disk or hard drive, then you can update your BIOS only in a few clicks without preparing an additional floppy diskette or other complicated flash utility. Please be noted that the USB flash drive or hard drive must use FAT32/16/12 file system. 13. 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. 14. 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. 15. EuP, stands for Energy Using Product, was a provision regulated by European Union to define the power consumption for the completed system. According to EuP, the total AC power of the completed system shall be under 1.00W in off mode condition. To meet EuP standard, an EuP ready motherboard and an EuP ready power supply are required. According to Intels suggestion, the EuP ready power supply must meet the standard of 5v standby power efficiency is higher than 50% under 100 mA current consumption. For EuP ready power supply selection, we recommend you checking with the power supply manufacturer for more details.

1.3 Motherboard Layout

19.3cm (7.6 in)

PS2 Keyboard

PS2 Mouse

PS2_USB_PWR1

CPU_FAN1

FSB1333 DDRDual Channel

DDRII_1 (64 bit, 240-pin module)

DDRII_2 (64 bit, 240-pin module)

FSB800

G41M-S
USB 2.0 T: USB2 B: USB3 USB 2.0 T: USB0 Top: RJ-45 B: USB1

ATX12V1

FSB1 FSB2 FSB3
Center: Line Out Bottom: Mic In Top: Line In

Intel G41 Chipset

24.4cm (9.6 in)

COM1 VGA1

CLRCMOS1

LAN PHY

EuP Ready

CMOS Battery

Super IO

SATAII_3 SATAII_4

Intel ICH7

PLED PWRBTN

AUDIO CODEC

FLOPPY1

HD_AUDIO1

EUP_LAN

USB4_5

USB6_7

SPEAKER1

EUP_AUDIO1

CHA_FAN1

8Mb BIOS

HDLED RESET

PANEL 1

SATAII_1
PS2_USB_PWR1 Jumper 775-Pin CPU Socket North Bridge Controller CPU Fan Connector (CPU_FAN1) 2 x 240-pin DDR2 DIMM Slots (Dual Channel: DDRII_1, DDRII_2; Yellow) ATX Power Connector (ATXPWR1) IDE1 Connector (IDE1, Blue) Clear CMOS Jumper (CLRCMOS1) South Bridge Controller Third SATAII Connector (SATAII_3; Orange) Fourth SATAII Connector (SATAII_4; Orange) Secondary SATAII Connector (SATAII_2; Red) Primary SATAII Connector (SATAII_1; Red) Chassis Speaker Header (SPEAKER 1, Purple) USB 2.0 Header (USB6_7, Blue)
USB 2.0 Header (USB4_5, Blue) System Panel Header (PANEL1, Orange) BIOS SPI Chip Chassis Fan Connector (CHA_FAN1) Floppy Connector (FLOPPY1) EUP Audio Jumper (EUP_AUDIO1) EUP LAN Jumper (EUP_LAN1) Front Panel Audio Header (HD_AUDIO1, Lime) PCI Slots (PCI1- 2) PCI Express x16 Slot (PCIE2) PCI Express x1 Slot (PCIE1) Print Port Header (LPT1, Purple) FSB1 / FSB2 / FSB3 Jumper ATX 12V Connector (ATX12V1)

SATAII_2

Panel 1.4 I/O Panel
PS/2 Mouse Port (Green) USB 2.0 Ports (USB23) RJ-45 Port Line In (Light Blue) Line Out (Lime)
Microphone (Pink) USB 2.0 Ports (USB01) VGA Port COM Port PS/2 Keyboard Port (Purple)
* To enable Multi-Streaming function, you need to connect a front panel audio cable to the front panel audio header. Please refer to below steps for the software setting of Multi-Streaming. For Windows XP: 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 or 4CH and then you are allowed to select Realtek HDA Primary output to use Rear Speaker and Front Speaker, or select Realtek HDA Audio 2nd output to use front panel audio. Then reboot your system. For Windows VistaTM: After restarting your computer, please double-click Realtek HD Audio Manager on the system tray. Set Speaker Configuration to Quadraphonic or Stereo. Click Device advanced settings, choose Make front and rear output devices playbacks two different audio streams simultaneously, and click ok. Then reboot your system.

Chapter 2 Installation

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)
G41M-S motherboard provides two 240-pin DDR2 (Double Data Rate 2) 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 DDR2 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 DDR2 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.

notch break

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.
2.6 Expansion Slots (PCI and PCI Express Slots)
There are 2 PCI slots and 2 PCI Express slots on this motherboard. PCI slots: PCI slots are used to install expansion cards that have the 32-bit PCI interface. PCIE slots: PCIE1 (PCIE x1 slot) is used for PCI Express cards with x1 lane width cards, such as Gigabit LAN card, SATA2 card, etc. PCIE2 (PCIE x16 slot) is used for PCI Express cards with x16 lane width graphics cards.
If you install the add-on PCI Express VGA card to PCIE2 (PCIE x16 slot), the onboard VGA will be disabled. If you install the add-on PCI Express VGA card to PCIE2 (PCIE x16 slot) and adjust the BIOS options Primary Graphics Adapter to [Onboard] and Share Memory to [Auto], then the onboard VGA will be enabled, and the primary screen will be onboard VGA.
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.

(9-pin USB4_5) (see p.10 No. 16)
USB_PWR P-5 P+5 GND DUMMY 1 GND P+4 P-4 USB_PWR

Print Port Header

(25-pin LPT1) (see p.10 No. 27)

AFD# ERROR# PINIT# SLIN#

SPD7 SPD6 ACK# SPD5 BUSY SPD4 PE SPD3 SLCT SPD2 SPD1 SPD0 STB#
This is an interface for print port cable that allows convenient connection of printer devices.

Front Panel Audio Header

(9-pin HD_AUDIO1) (see p.10 No. 23)
GND PRESENCE# MIC_RET OUT_RET
This is an interface for front panel audio cable that allows convenient connection and control of audio devices.
OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L
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. For Windows 2000 / XP / XP 64-bit OS: Click Audio I/O, select Connector Settings , choose
Disable front panel jack detection, and save the change by clicking OK. For Windows VistaTM / VistaTM 64-bit OS: Click the right-top Folder icon , choose Disable front
panel jack detection, and save the change by clicking OK. G. To activate the front mic. For Windows 2000 / XP / XP 64-bit OS: Please select Front Mic as default record device. If you want to hear your voice through front mic, please deselect "Mute" icon in Front Mic of Playback portion. For Windows VistaTM / VistaTM 64-bit OS: Go to the "Front Mic" Tab in the Realtek Control panel. Click "Set Default Device" to make the Front Mic as the default record device.

System Panel Header

(9-pin PANEL1) (see p.10 No. 17)

PLED+ PLEDPWRBTN# GND

This header accommodates several system front panel functions.

DUMMY RESET# GND HDLEDHDLED+

Chassis Speaker Header

(4-pin SPEAKER 1) (see p.10 No. 14)

SPEAKER DUMMY DUMMY +5V

Please connect the chassis speaker to this header.

Chassis Fan Connector

(3-pin CHA_FAN1) (see p.10 No. 19)

GND +12V CHA_FAN_SPEED

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.

CPU Fan Connector

(4-pin CPU_FAN1) (see p.10 No. 4)
GND +12V CPU_FAN_SPEED FAN_SPEED_CONTROL
Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin CPU fan still can work successfully even without the fan speed control function. If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this motherboard, please connect it to Pin 1-3.
Pin 1-3 Connected 3-Pin Fan Installation

ATX Power Connector

(24-pin ATXPWR1) (see p.10 No. 6)
Please connect an ATX power supply to this connector.
Though this motherboard provides 24-pin ATX power connector, 12 it can still work if you adopt a traditional 20-pin ATX power supply. To use the 20-pin ATX power supply, please plug your power supply along with Pin 1 and Pin 13.
20-Pin ATX Power Supply Installation

ATX 12V Connector

(4-pin ATX12V1) (see p.10 No. 29)
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.
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 2. 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. 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. Untied Overclocking Technology Technology
This motherboard supports Untied Overclocking Technology, which means during overclocking, FSB enjoys better margin due to fixed PCI / PCIE buses. Before you enable Untied Overclocking function, please enter Overclock Mode option of BIOS setup to set the selection from [Auto] to [Manual]. Therefore, CPU FSB is untied during overclocking, but PCI / PCIE buses are in the fixed mode so that FSB can operate under a more stable overclocking environment.

Please refer to the warning on page 8 for the possible overclocking risk before you apply Untied Overclocking Technology.
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> or <Del> 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.

3.1.1 BIOS Menu Bar

The top of the Main Smart Advanced PCIPnP Boot screen has a menu bar with the following selections: To set up the system time/date information To load the BIOS according to your requirements To set up the advanced BIOS features To set up the PCI features To set up the default system device to locate and load the Operating System Security To set up the security features Chipset To set up the chipset features Exit To exit the current screen or the BIOS SETUP UTILITY Use < > key or < > key to choose among the selections on the menu bar, and then press <Enter> to get into the sub screen.

3. 1. 2 Navigation Keys

Please check the following table for the function description of each navigation key. Navigation Key(s) / / + / <Enter> <F1> <F9> <F10> <ESC> Function Description Moves cursor left or right to select Screens Moves cursor up or down to select items To change option for the selected items To bring up the selected screen To display the General Help Screen To load optimal default values for all the settings To save changes and exit the BIOS SETUP UTILITY To jump to the Exit Screen or exit the current screen

3.2 Main Screen

When you enter the BIOS SETUP UTILITY, the Main screen will appear and display the system overview
Main Smart BIOS SETUP UTILITY Advanced H/W Monitor Boot Security Exit

System Overview

System Time System Date BIOS Version Processor Type : : [14:00:09] [Fri 06/12/2009] G41M-S P1.00 Intel(R) CPU 3.20GHz (64bit) 3200MHz F64/4 4096KB

Use [Enter], [TAB] or [SHIFT-TAB] to select a field. Use [+] or [-] to configure system Time.
Processor Speed : Microcode Update : Cache Size : Total Memory DDRII1 DDRII2
: 1024MB with 128MB shared memory and 2MB GTT memory Single-Channel Memory Mode : 1024MB/333MHz (DDR2 667) : None

+Tab F1 F9 F10 ESC

Select Screen Select Item Change Field Select Field General Help Load Defaults Save and Exit Exit
v02.54 (C) Copyright 1985-2005, American Megatrends, Inc.
System Time [Hour:Minute:Second] Use this item to specify the system time. System Date [Day Month/Date/Year] Use this item to specify the system date.

3.3 Smart Screen

In the Smart screen, you can load the BIOS setup according to your requirements.
BIOS SETUP UTILITY H/W Monitor Boot

Advanced

Security

Smart Settings

Save Changes and Exit Load BIOS Defaults Load Performance Setup Default (IDE/SATA) Load Power Saving Setup Default BIOS Update Utility ASRock Instant Flash EZ Overclocking Load Optimized CPU OC Setting [Press Enter]
Exit system setup after saving the changes. F10 key can be used for this operation.

Enter F1 F9 F10 ESC

Select Screen Select Item Go to Sub Screen General Help Load Defaults Save and Exit Exit
Save Changes and Exit When you select this option, it will pop-out the following message, Save configuration changes and exit setup? Select [OK] to save the changes and exit the BIOS SETUP UTILITY. Load BIOS Defaults Load BIOS default values for all the setup questions. F9 key can be used for this operation. Load Performance Setup Default (IDE/SATA) This performance setup default may not be compatible with all system configurations. If system boot failure occurs after loading, please resume optimal default settings. F5 key can be used for this operation. Load Power Saving Setup Default Load power saving setup default. F6 key can be used for this operation. ASRock Instant Flash ASRock Instant Flash is a BIOS flash utility embedded in Flash ROM. This convenient BIOS update tool allows you to update system BIOS without entering operating systems first like MS-DOS or Windows. Just launch this tool and save the new BIOS file to your USB flash drive, floppy disk or hard drive, then you can update your BIOS only in a few clicks without preparing an additional floppy diskette or other complicated flash utility. Please be noted that the USB flash drive or hard drive must use FAT32/16/ 12 file system. If you execute ASRock Instant Flash utility, the utility will show the BIOS files and their respective information. Select the proper BIOS file to update your BIOS, and reboot your system after BIOS update process completes.

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. This option will be hidden if the current CPU does not support CPU Thermal Throttling. 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 Pentium 4 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. On-Demand Clock Modulation This provides the On-Demand Clock Modulation duty cycle. It indicates the clock on to clock off interval ratio. For example, if you set this option to [75.0% On], your processor will work normally 75% of the time, and spend the other 25% slacking off. Configuration options: [Auto], [Disabled], [12.5% On], [25.0% On], [37.5% On], [50.0% On], [62.5% On], [75.0% On] and [87.5% On]. The default value is [Auto]. 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. The default value is [Auto]. Configuration options: [Auto], [Enabled] and [Disabled]. If you install Windows XP and select [Auto], you need to set the Power Schemes as Portable/Laptop to enable this function. If you install Windows VistaTM and want to enable this function, please set this item to [Enabled]. This item will be hidden if the current CPU does not support Intel (R) SpeedStep(tm) tech.
Please note that enabling this function may reduce CPU voltage and lead to system stability or compatibility issue with some power supplies. Please set this item to [Disable] if above issue occurs.
3.4.2 Chipset Configuration
BIOS SETUP UTILITY Advanced Chipset Configuration
[Disabled] Memory Remap Feature [Auto] DRAM Frequency [Disabled] Flexibility Option Standard Memory Info : 5-5-5-15-36-5-3-3-3 [Auto] DRAM tCL [Auto] DRAM tRCD [Auto] DRAM tRP [Auto] DRAM tRAS [Auto] DRAM tRFC [Auto] DRAM tWR [Auto] DRAM tWTR [Auto] DRAM tRRD [Auto] DRAM tRTP Advanced Memory Info : 18-54-4-0-0-0 [Auto] DRAM CH0 RCOMP ODT [Auto] DRAM CH1 RCOMP ODT [Auto] DRAM CH0 tRD [Auto] DRAM CH1 tRD ENABLE: Allow remapping of overlapped PCI memory above the total physical memory. DISABLE: Do not allow remapping of memory. Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit

DRAM CH1 CMD SKEW This controls the number of DRAM CH1 CMD SKEW. The default value is [Auto]. DRAM CH1 CTRL0 SKEW This controls the number of DRAM CH1 CTRL0 SKEW. The default value is [Auto]. DRAM CH1 CTRL1 SKEW This controls the number of DRAM CH1 CTRL1 SKEW. The default value is [Auto]. DRAM CH1 CTRL2 SKEW This controls the number of DRAM CH1 CTRL2 SKEW. The default value is [Auto]. DRAM CH1 CTRL3 SKEW This controls the number of DRAM CH1 CTRL3 SKEW. The default value is [Auto].
Primary Graphics Adapter This allows you to select [Onboard], [PCI] or [PCI Express] as the boot graphic adapter priority. The default value is [PCI]. Share Memory This allows you to set share memory feature. The default value is [Auto]. Configuration options: [Auto], [32MB], [64MB], [128MB] and [256MB]. PAVP Mode Use this option to adjust PAVP mode. Configuration options: [Disabled] and [Lite]. The default value is [Disabled]. PAVP is the new graphics feature in Intel 4 Series Express chipset family to support increased content protection and robustness requirements for premium content playback (Bluray disc). [Lite] mode is the encryption of compressed video buffer and is hardware-based 128-bit AES decryption. DVMT Mode Select Use this option to adjust 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 DVMT mode, the graphics driver allocates memory as needed for running graphics applications and is cooperatively using this memory with other system components. This item will not be used under Windows VistaTM OS because the driver will intelligently detect physical memory available and allocate necessary video memory. 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: [128MB], [256MB] and [Maximum DVMT]. The option [Maximum DVMT] only appears when you adopt the memory module with 1024MB or above. 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 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. CPU Voltage Use this to select CPU Voltage. Configuration options: [Auto] and [Manual]. The default value of this feature is [Auto].
DRAM Voltage Use this to select DRAM Voltage. Configuration options: [Auto], [1.794V], [1.851V], [1.908V], [1.965V], [2.029V], [2.086V], [2.144V], [2.201V], [2.314], [2.371V], [2.428V], [2.485V], [2.549V], [2.606V], [2.664V] and [2.720V]. The default value of this feature is [Auto]. NB Voltage Use this to select NB Voltage. Configuration options: [Auto], [1.046V], [1.148V], [1.251V] and [1.353V]. The default value of this feature is [Auto]. SB Voltage Use this to select SB Voltage. Configuration options: [Auto], [1.527V], [1.584V], [1.639V] and [1.696V]. The default value of this feature is [Auto]. VTT Voltage Use this to select VTT Voltage. Configuration options: [Auto], [1.20V], [1.25V], [1.30V], [1.35V], [1.40V], [1.45V], [1.50V] and [1.55V]. The default value of this feature is [Auto]. GLTREF Voltage Use this to select GLTREF Voltage. Configuration options: [Auto], [0.67 x Vtt], [0.65 x Vtt], [0.63 x Vtt] and [0.615 x Vtt]. The default value of this feature is [Auto]. Intelligent Energy Saver Intelligent Energy Saver is a revolutionary technology that delivers unparalleled power savings. The default value is [Disabled]. Configuration options: [Enabled] and [Disabled]. If you want to enable this function, please set this item to [Enabled]. Besides the BIOS option, you can also choose our Intelligent Energy Saver utility to enable this function.

3.4.5 PCIPnP Configuration
BIOS SETUP UTILITY Advanced Advanced PCI / PnP Settings
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.
3.4.6 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 3 2"]
Select the type of floppy drive connected to the system.
3.4.7 Super IO Configuration
BIOS SETUP UTILITY Advanced Configure Super IO Chipset
OnBoard Floppy Controller Serial Port Address Parallel Port Address Parallel Port Mode EPP Version ECP Mode DMA Channel Parallel Port IRQ [Enabled] [3F8 / IRQ4] [378] [ECP + EPP] [1.9] [DMA3] [IRQ7] Allow BIOS to Enable or Disable Floppy Controller.
v02.54 (C) Copyright 1985-2003, American Megatrends, Inc.
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]. 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].

3.4.8 USB Configuration

BIOS SETUP UTILITY Advanced USB Configuration
USB Controller USB 2.0 Support Legacy USB Support [Enabled] [Enabled] [Enabled] To enable or disable the onboard USB controllers.

Software Support Chapter 4 Sof tware Suppor t
4. 1 Install Operating System This motherboard supports various Microsoft Windows operating systems: 2000 / XP / XP 64-bit / VistaTM / VistaTM 64-bit. Because motherboard settings and hardware options vary, use the setup procedures in this chapter for general reference only. Refer to your OS documentation for more information. 4. 2 Support CD Information The Support CD that came with the motherboard contains necessary drivers and useful utilities that enhance the motherboard features. 4. 2. 1 Running The Support CD To begin using the support CD, insert the CD into your CD-ROM drive. The CD automatically displays the Main Menu if AUTORUN is enabled in your computer. If the Main Menu did not appear automatically, locate and double click on the file ASSETUP.EXE from the BIN folder in the Support CD to display the menus. 4. 2. 2 Drivers Menu The Drivers Menu shows the available devices drivers if the system detects installed devices. Please install the necessary drivers to activate the devices. 4. 2. 3 Utilities Menu The Utilities Menu shows the applications software that the motherboard supports. Click on a specific item then follow the installation wizard to install it. 4.2.4 Contact Information If you need to contact ASRock or want to know more about ASRock, welcome to visit ASRocks website at http://www.asrock.com; or you may contact your dealer for further information.

G41M-S

Intel G41+ ICH7 Chipsets

Platform CPU

www.asrock.com

Detail Specification

- Micro ATX Form Factor: 9.6-in x 7.6-in, 24.4 cm x 19.3 cm - LGA 775 for Intel CoreTM 2 Extreme / CoreTM 2 Quad / CoreTM 2 Duo / Pentium Dual Core / Celeron Dual Core / Celeron, supporting Penryn Quad Core Yorkfield and Dual Core Wolfdale processors - Supports FSB1333/1066/800/533 MHz - Supports Hyper-Threading Technology - Supports Untied Overclocking Technology - Supports EM64T CPU - Northbridge: Intel G41 - Southbridge: Intel ICH7 - Dual Channel DDR2 memory technology - 2 x DDR2 DIMM slots - Supports DDR2 1066/800/667/533 non-ECC, un-buffered memory - Max. capacity of system memory: 8GB - 1 x PCI Express x16 slot - 1 x PCI Express x1 slot - 2 x PCI slots - Intel Graphics Media Accelerator X4500 - Pixel Shader 4.0, DirectX 10 - Max. shared memory 352MB

Chipset Memory

Expansion Slot Graphics
- 5.1 CH Windows VistaTM Premium Level HD Audio (Realtek ALC662 Audio Codec) - Realtek PCIEx1 LAN 8102EL - Speed: 10/100 Ethernet - Supports Wake-On-LAN I/O Panel - 1 x PS/2 Mouse Port - 1 x PS/2 Keyboard Port - 1 x Serial Port: COM1 - 1 x VGA Port - 4 x Ready-to-Use USB 2.0 Ports - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) - HD Audio Jack: Line in / Front Speaker / Microphone - 4 x SATAII 3.0 Gb/s connectors (No support for RAID and "Hot Plug" functions) - 1 x ATA100 IDE connector (supports 2 x IDE devices) - 1 x Floppy connector - 1 x Print port header - CPU/Chassis FAN connector - 24 pin ATX power connector - 4 pin 12V power connector - Front panel audio connector - 2 x USB 2.0 headers (support 4 USB 2.0 ports) - 8Mb AMI BIOS - AMI Legal BIOS - Supports "Plug and Play" - ACPI 1.1 Compliance Wake Up Events - SMBIOS 2.3.1 Support - CPU, VCCM, NB, SB,VTT Voltage Multi-adjustment - Supports Smart BIOS - Drivers, Utilities, AntiVirus Software (Trial Version) - ASRock OC Tuner - Intelligent Energy Saver - Instant Boot - ASRock Instant Flash - Hybrid Booster: - CPU Frequency Stepless Control - ASRock U-COP - Boot Failure Guard (B.F.G.) - 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 / VistaTM 64-bit compliant - FCC, CE - EuP Ready (EuP ready power supply is required) - Quick Installation Guide, Support CD, I/O Shield - ATA 100 Cable (Optional) - 1 x SATA Data Cable (Optional)

LAN Rear Panel I/O

Connector

Product Brief

- Supports FSB1333/1066/800/533 MHz CPUs - Supports Dual Channel DDR- Intel Graphics Media Accelerator X4500, Pixel Shader 4.0, DirectX 10, Max. shared memory 352MB - EuP Ready - Supports ASRock Instant Boot, Instant Flash, ASRock OC Tuner (Up to 145% CPU frequency increase) - Supports Smart BIOS, Intelligent Energy Saver OS (Up to 20% CPU Power Saving)
Certifications Accessories
The specification is subject to change without notice. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.

BIOS Feature

Support CD Unique Feature

Hardware Monitor

Overclocking Design

ASRock OC Tuner:

ASRock OC Tuner is a user-friendly and untied tool which allows you to guard your system by hardware monitor function and overclock your hardware devices to get the best system performance
System Health Hardware Monitor Overclocking Voltage Control

Energy Saving :

Supports ASRock Intelligent Energy Saver (I.E.S)

Power Saving

CPU power information
CPU Power saving up to 20%

Smart BIOS:

The Smart BIOS function can be found in the BIOS Setup Utility when you are setting up the optimal configuration for your system. It can facilitate the setting things by some default BIOS settings. Users may just select the BIOS mode that is most suitable to them.

What is EuP?

EuP Ready Motherboard

EuP Ready Power Supply

EuP System
EuP, stands for Energy Using Product, was a provision regulated by European Union to define the power consumption for the completed system. With the great quantity and the popularly using of the electrical products nowadays and the continuously increasing of the electrical products categories in the following 20 to 30 years, European Union decided to establish an effective strategy to solve the energy consumption problem. That is, according to EuP, the total AC power of the completed system shall be under 1.00W in off mode condition.
How to setup an EuP system?
To meet EuP standard, the EuP ready motherboard and the EuP ready power supply are required. As a motherboard vendor with eco-awareness, ASRock is the pioneer to develop EuP Ready motherboards based on the great efforts of our exceptional hardware design. According to Intel, the EuP ready power supply must meet the standard of 5v standby power efficiency is higher than 50% under 100 mA current consumption. For EuP ready power supply selection, please check with the power supply manufacturer for more details.
ASRock, Worldwide First EuP Ready Motherboard Manufacturer!
ASRock hereby proudly announced that we are the Worldwide First motherboard manufacturer to release EuP Ready motherboard to the market! With ASRock EuP Ready motherboard, you are confident to setup a system to pass the EuP standard.

ASRock Instant Boot

ASRock Instant Boot is a new feature invented exclusively by ASRock. It can boot up system in an amazing speed, which is 10 times faster than traditional boot up. For home users or office PC users, ASRock Instant Boot can also guarantee a clean Windows OS, and consumed less power! For details:
http://www.asrock.com/feature/InstantBoot/index.asp * This function is applicable ONLY to single user that does not secure ID and Password to their systems. * The boot up time depends on the hardware configuration.
10 Times Faster, Only 4 Secs to Boot Up to Windows!

ASRock YouTube

http://tw.youtube.com/watch?v=BucIjXZVxXo

ASRock Instant Flash

ASRock Instant Flash is an exclusive and the most userfriendly BIOS flash utility developed by ASRock. It is embedded in Flash ROM which is used to update the system BIOS without having to enter operating systems like MS-DOS or Windows.
How to execute ASRock Instant Flash?
ASRock Instant Flash is extremely user-friendly. You can access Instant Flash utility directly by pressing F6 when you saw this page.

Features

Once executing ASRock Instant Flash, the utility will automatically detect all devices such as USB, hard disk or even floppy drive to find the exact BIOS for your system. Instead of giving you all BIOS in your devices, the Instant Flash just list BIOS versions that apply to your motherboard model only. For example, if you have many different BIOS of different motherboards saved in your devices, but you just need to flash your P45 motherboard, the Instant Flash will just list the P45 BIOS versions for you. This unique function allows you to easily select the suitable BIOS version instead of browsing through all data.

Instant Flash just list BIOS versions that apply to your motherboard model.
Click and start Flashing!

Simple

Quick!