775Twins-HDTV

User Manual
Version 1.1 Published November 2005 Copyright2005 ASRock INC. All rights reserved.

Copyright Notice:

No part of this manual 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 manual 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 manual 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 manual. With respect to the contents of this manual, 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 manual 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

Contents

1 Introduction... 5
1.1 1.2 1.3 1.4 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 Package Contents... Specifications... Motherboard Layout.. ASRock 8CH I/O... 40 40

2 Installation.. 11

Screw Holes... Pre-installation Precautions.. CPU Installation.. Installation of Heatsink and CPU fan.. Installation of Memory Modules (DIMM).. Expansion Slots... Jumpers Setup.. Onboard Headers and Connectors.. Installing VGA_HDTV Panel to Enjoy HDTV (HighDefinition TV) / TV Support Function.. 2.9.1 HDTV (High-Definition TV) Support Function. 2.9.2 TV Support Function.. 2.10 Untied Overclocking Technology.. 2.11 Serial ATA (SATA) Hard Disks Installation.. 2.12 Making a SATA Driver Diskette For SATA Operation in RAID Mode... 3.1 Introduction... 3.1.1 BIOS Menu Bar.. 3.1.2 Navigation Keys... 3.2 Main Screen.. 3.3 Advanced Screen.. 3.3.1 CPU Configuration.. 3.3.2 Chipset Configuration.. 3.3.3 ACPI Configuration.. 3.3.4 IDE Configuration.. 3.3.5 PCIPnP Configuration.. 3.3.6 Floppy Configuration.. 3.3.7 Super IO Configuration.. 3.3.8 USB Configuration.. 3.4 Hardware Health Event Monitoring Screen. 3.5 Boot Screen.. 3.5.1 Boot Settings Configuration..
SETUP 3 BIOS S ETUP UTILITY.. 27
3.6 Security Screen.. 41 3.7 Exit Screen... 42

4 Software Support.. 43

4.1 Install Operating System.. 4.2 Support CD Information.. 4.2.1 Running Support CD.. 4.2.2 Drivers Menu... 4.2.3 Utilities Menu... 4.2.4 LGA 775 CPU Installation Live Demo Program. 4.2.5 Contact Information... 43

Chapter 1 Introduction

Thank you for purchasing ASRock 775Twins-HDTV 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. In this manual, chapter 1 and 2 contain introduction of the motherboard and step-by-step guide to the hardware installation. Chapter 3 and 4 contain the configuration guide to BIOS setup and information of 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 memory and CPU support lists on ASRock website as well. ASRock website http://www.asrock.com

1.1 Package Contents

ASRock 775Twins-HDTV Motherboard (Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm) ASRock 775Twins-HDTV Quick Installation Guide ASRock 775Twins-HDTV Support CD (including LGA 775 CPU Installation Live Demo) One 80-conductor Ultra ATA 66/100/133 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 ASRock 8CH I/O One ASRock MR Card (Optional) One ASRock VGA_HDTV Panel One VGA_2x8 Cable One AV/S_2x3 Cable

Microphone (Pink) USB 2.0 Ports (USB01) USB 2.0 Ports (USB23) Serial Port: COM1 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) V V V V -V V V Central / Bass (No. 5) --V V Side Speaker (No. 3) ---V

Chapter 2 Installation

775Twins-HDTV is a Micro ATX form factor (9.6" x 9.6", 24.4 x 24.4 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.

2.3 775-LAND 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 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 9, 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 9, 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.
Installation of Memory Modules (DIMM)
This motherboard is equipped with two 184-pin DDR (Double Data Rate) DIMM slots and two 240-pin DDRII (Double Data Rate) DIMM slots.
1. 2. It is not allowed to install DDR into DDRII slot or DDRII into DDR slot;otherwise, this motherboard and DIMM may be damaged. It is not allowed to install both DDR and DDRII to this motherboard at the same time; otherwise, this motherboard and DIMM may be damaged. 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, AMR, and PCI Express Slots)
There are 2 PCI slots, 1 AMR slot and 2 PCI Express slot on this motherboard. PCI slots: PCI slots are used to install expansion cards that have the 32-bit PCI interface. AMR slot: AMR slot is used to insert an ASRock MR card (optional) with v.92 Modem functionality. PCIE Slots: PCIE1 (PCIE x16 slot) is used for PCI Express cards with x16 lane width graphics cards. PCIE2 (PCIE x1 slot) is used for PCI Express cards, such as Gigabit LAN card, SATA2 card, etc.

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 system unit cover (if your motherboard is already installed in a chassis). 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. Replace the system cover.
Step 2. Step 3. Step 4. Step 5. Step 6.

2.7 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 Setting PS2_USB_PWR1 2_3 1_2
Description Short pin2, pin3 to enable (see p.9 No. 1) +5VSB (standby) for PS/2 +5V +5VSB or USB wake up events. Note: To select +5VSB, it requires 2 Amp and higher standby current provided by power supply. JR1(see p.9 No. 28) JL1(see p.9 No. 28) JR1 JL1 Note: If the jumpers JL1 and JR1 are short, both the front panel and the rear panel audio connectors can work. Clear CMOS 1_2 2_3
(CLRCMOS1, 3-pin jumper) (see p.9 No. 22)

Default

Clear CMOS
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 pin2 and pin3 on CLRCMOS1 for 5 seconds. However, please do not clear the CMOS right after you update the BIOS. If you need to clear the CMOS when you just finish updating the BIOS, you must boot up the system first, and then shut it down before you do the clear-CMOS action.
2.8 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.9 No. 23)

Pin1 FLOPPY1

Note: Make sure the red-striped side of the cable is plugged into Pin1 side of the connector.

Installing VGA_HDTV Panel Step 1. Either end of the VGA_2X8 cable can be connected to the J1 jumper of VGA_HDTV panel or the VGA1 header of this motherboard. Step 2. Either end of the AV/S_2X3 cable can be connected to the J2 jumper of VGA_HDTV panel or the TV-OUT header of this motherboard. Step 3. Connect the output connectors to all high-definition TV with component video input capability (YPbPr) or TV with AV input capability. Step 4. Secure the VGA_HDTV panel with the bracket to the chassis.
1. You must have a monitor attached to your computer to install the VGA driver correctly in advance. 2. After installing the VGA driver to the computer, this motherboard supports static Auto Sensing feature. That is, if you install the stand alone HDTV, TV, or VGA monitor before your computer boots, the system can display correctly on the output device you use. Therefore, if you only install HDTV or TV instead of VGA monitor, it is not necessary for you to enable the TV display setting in Windows control panel or change BIOS setup, and you can enjoy the HDTV or TV display function directly.
HDTV (High-Definition TV) Support Function
View computer output directly on your High Definition Television (HDTV) or other devices with component video input capability. Provide a big-screen experience for your computer that is ideal for playing games, giving presentations, watching movies, and browsing the Internet. HDTV uses YPbPr connectors to receive input. The HDTV Component Video Adapter can be used in place of the standard AV Output cable to connect to an HDTV or other component video input devices, using component video cables.
Connecting to HDTV With Component Video (YPbPr) Output Capability
Step 1. Connect the Male/Male RCA patch cables to the Typical HDTV component Video Input connectors and the RCA-type component video connectors (Y-CON1, PB-CON1, and PR-CON1) (Y-CON1, see page 21, No. 1; PBCON1, see page 21, No. 2; PR-CON1, see page 21, No. 3) of the VGA_HDTV panel.
Typical HDTV Video Input Connectors
Male/Male RCA Patch Cables available from consumer electronics dealer
Please correctly connect the Male/Male RCA patch cables to both HDTV Video Input connectors and RCA-type component video connectors according to the functions of the connectors distinguished by the same color (green, blue, and red). For example, you need to connect the red Male/Male RCA patch cable to the red port (PR) of HDTV and the red port (PR-CON1) of VGA_HDTV panel. Please see your HDTV and Male/Male RCA patch cables manuals for configuration information specific to your device.
Step 2. Turn on your computer and wait system to boot into OS. Step 3. Change HDTV display settings.
For maximum performance when you watch DVD movies or play computer games on your HDTV, you should find the mode and screen resolution that provide the best result on your TV, and use those settings exclusively.

Click the Windows Start button, point at Settings, and then click Control Panel. Double-click the Display icon, click the Settings tab, and use the Screen Area slider to select the resolution you want.
If the resolution you select is not related to a specific timing, the system will reduce the resolution to the closest supported timing.

C. D. E. F. G. H.

Click the Advanced button, then click the Displays tab. Click the YPbPr tab. Click OK. Click the Advanced button. Click the Adapter tab, then click the List All Modes button. You can only choose 480i and 480p modes (640 x 480; 704 x 480; 720 x 480), 720p modes (960 x 720; 1280 x 720), or 1080i modes (1920 x 1080). Click the mode according to your HDTV screen. 60Hz = Progressive 30Hz = Interlaced
In DOS mode, only 480p is supported for HDTV output.
Connecting to VGA Monitor and HDTV With Component Video (YPbPr) Output Capability
When you install both VGA monitor cable and Male/Male RCA patch cables to VGA_HDTV panel at the same time, the default enabled screen is the VGA monitor. You are able to switch the monitor display to HDTV display by following the below instruction. Step 1. Connect one end of the VGA monitor cable to your monitor, and the other end to the VGA port (VGA1, see page 21, No. 4) of VGA_HDTV panel. Step 2. Connect the Male/Male RCA patch cables to the Typical HDTV component Video Input connectors and the RCA-type component video connectors (Y-CON1, PB-CON1, and PR-CON1) (Y-CON1, see page 21, No. 1; PBCON1, see page 21, No. 2; PR-CON1, see page 21, No. 3) of the VGA_HDTV panel. Step 3. Turn on your computer and wait system to boot into OS. Step 4. Enable the TV display. Please follow the below steps: A. Access the Windows Control Panel. Double-click Display. B. Click the Settings tab and then the Advanced button. C. Click the ATI Displays tab. Click the TV button.
Click the enable button or disable button accordingly for YPbPr display output.
Enable Button (Green) Disable Button (Red)
Click OK or Apply to save the changes or use hot key to do fast switching between CRT and YPbPr. (Default hot key is Alt-F5.) F. Your HDTV will start to display. Step 5. Change HDTV display settings. (Please refer to Step 3 on page 20 for details.)

TV Support Function

Connecting to TV With AV Output Capability
Step 1. Connect the AV video cable to the Typical TV Video Input connector (yellow) and the RCA-type component video connector (blue) / AV (composite) signal connector (PB-CON1, see page 21, No. 2) of the VGA_HDTV panel. Step 2. Turn on your computer and wait system to boot into OS.

Connecting to VGA Monitor and TV With AV Output Capability
When you install both VGA monitor cable and AV video cable to VGA_HDTV panel at the same time, the default enabled screen is the VGA monitor. You are able to switch the monitor display to TV display by following the below instruction. Step 1. Connect one end of the VGA monitor cable to your monitor, and the other end to the VGA port (VGA1, see page 21, No. 4) of VGA_HDTV panel. Step 2. Connect the AV video cable to the Typical TV Video Input connector (yellow) and the RCA-type component video connector (blue) / AV (composite) signal connector (PB-CON1, see page 21, No. 2) of the VGA_HDTV panel. Step 3. Turn on your computer and wait system to boot into OS. Step 4. Switch the monitor display to TV display and select proper TV format. For selecting proper TV format, please follow the below steps: A. Click the Windows Start button, point at Settings, and then click Control Panel. B. Double-click the Display icon, click the Settings tab, and use the Screen Area slider to select the resolution you want. C. Click the Advanced button, then click the Displays tab. D. Click the TV tab, and select NTSC, PAL. E. Your TV will start to display.
Technology 2.10 Untied Overclocking Technology
This motherboard supports Untied Overclocing 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 [CPU, PCIE, Async.]. Therefore, CPU FSB is untied during overclocking, but PCI and PCIE buses are in the fixed mode so that FSB can operate under a more stable overclocking environment.
AT (SAT 2.11 Serial ATA (SATA) Hard Disks Installation
This motherboard adopts ULi 1573 southbridge chipset that supports Serial ATA (SATA) hard disks and RAID functions (RAID 0, 1, 0+1, JBOD). You may install SATA hard disks on this motherboard for internal storage devices. This section will guide you to install the SATA hard disks. STEP 1: Install the SATA hard disks into the drive bays of your chassis. STEP 2: Connect the SATA power cable to the SATA hard disk. STEP 3: Connect one end of the SATA data cable to the motherboards SATA connector. STEP 4: Connect the other end of the SATA data cable to the SATA hard disk.

If you plan to use RAID 0, RAID 1, RAID 0+1 or JBOD functions on SATA, SATA HDDs must not operate in ATA Combination Mode enabled. Please refer to page 34 for details.
SAT Diskette For Windows 2.12 Making a SATA Driver Diskette For W indows 2000 / X P / XP 64-bit Installation
If you want to install Windows 2000, Windows XP, or Windows XP 64-bit OS on your SATA HDDs, you will need to make a SATA driver before you start the OS installation. STEP 1: Insert the ASRock Support CD into your optical drive to boot your system. (Do NOT insert any floppy diskette into the floppy drive at this moment!) STEP 2: During POST at the beginning of system boot-up, press <F11> key, and then a window for boot devices selection appears. Please select CDROM as the boot device. STEP 3: When you see the message on the screen, Do you want to generate Serial ATA driver diskette [YN]?, press <Y>. STEP 4: Then you will see these messages, Please insert a diskette into the floppy drive. WARNING! Formatting the floppy diskette will lose ALL data in it! Start to format and copy files [YN]? Please insert a floppy diskette into the floppy drive, and press <Y>. STEP 5: The system will start to format the floppy diskette and copy SATA drivers into the floppy diskette.
Once you have the SATA driver diskette ready, you may start to install Windows 2000 / Windows XP / Windows XP 64-bit on your system directly without setting the RAID configuration on your system, or you may start to use RAID Installation Guide to set RAID 0 / RAID 1 / RAID 0+1 / JBOD configuration before you install the OS. Before you start to configure the RAID function, you need to check the installation guide in the Support CD for proper configuration. Please find the document, Guide to SATA Hard Disks Installation and RAID Configuration, at the following path in the Support CD:. \ Information \ Manual \ RAID Installation Guide \ English.pdf
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.

3.3.2 Chipset Configuration
BIOS SETUP UTILITY Advanced Chipset Configuration
WARNING: Setting wrong values in below actions may cause system to malfunction. Performance Configuration NorthBridge Configuration SouthBridge Configuration Thermal Throttling Temperature Thermal Throttling Duty Cycle [Auto] [Auto] Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit To select the Temperature to generate the thermal override event.

+F1 F9 F10 ESC

Performance Configuration 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: [Auto], [Sync with CPU], [133MHz (DDR 266)], [166MHz (DDR 333)], [200MHz (DDR 400)]. If DDRII DIMM is inserted to DDRII slot, you may select [Auto], [Sync with CPU], [200MHz (DDRII 400)], [266MHz (DDRII 533)], [333MHz (DDRII 667)] as operating frequency. Overclock DRAM Speed Use this to select overclock DRAM speed. The default value is [None]. Flexibility Option The default value of this option is [Disabled]. It will allow better tolerance for memory compatibility when it is set to [Enabled]. CAS Latency (CL) Use this item to adjust the latency time for memory accessing. Configuration options for DDR: [Auto], [2.0], [3.0], and [2.5]. Configuration options for DDRII: [Auto], [3.0], [4.0], and [5.0].The default value is [Auto]. Cycle time (TRAS) Use this to adjust TRAS values. Configuration options for DDR: [Auto], [2CLK] to [8CLK]. configuration options for DDRII: [Auto], [2CLK] to [128CLK]. The default value is [Auto]. RAS# to CAS# Delay (TRCD) This controls the latency between the DRAM active command and the read / write command. Configuration options for DDR: [Auto], [2 DRAM Clocks] to [4 DRAM Clocks]. Configuration options for DDRII: [Auto], [2 DRAM Clocks] to [15 DRAM Clocks].The default value is [Auto]. RAS# Precharge Time (TRP) Use this to adjust TRP values. Configuration options for DDR: [Auto], [1CLK], [2CLK], [3CLK]. Configuration options for DDRII: [Auto], [1CLK] to [15CLK]. The default value is [Auto]. MA Timing Use this to adjust values for MA timing. Configuration options: [Auto], [2T], [1T], [1.5T]. The default value is [Auto]. Write to Write Turn Around Configuration options for DDR: [Auto], [0CLK] to [3CLK]. Configuration op tions for DDRII: [Auto], [0CLK] to [7CLK]. The default value is [Auto]. Read to Write Turn Around Configuration options for DDR: [Auto], [0CLK] to [3CLK]. Configuration op tions for DDRII: [Auto], [0CLK] to [7CLK]. The default value is [Auto]. Write to Read Turn Around Configuration options for DDR: [Auto], [0CLK] to [3CLK]. Configuration op-

tions for DDRII: [Auto], [0CLK] to [7CLK]. The default value is [Auto]. DRAM Voltage Use this to select DRAM voltage. Configuration options: [Auto], [High], [Normal], and [Low]. The default value is [Auto]. NB Core Voltage Use this to select NB core voltage. Configuration options: [Auto], [High], [Normal], and [Low]. The default value is [Auto]. NorthBridge Configuration Share Memory This allows you to set share memory feature. The default value is [Auto]. Configuration options: [Auto], [16MB], [32MB], [64MB], and [128MB]. Primary Graphics Adapter This item will switch the PCI Bus scanning order while searching for video card. It allows you to select the type of Primary VGA in case of multiple video controllers. The default value of this feature is [PCI]. Configuration options: [Onboard], [PCI] and [PCI Express]. Surround View Function This allows you to disable or enable surround view function. The default value is [Disabled]. Video Display Devices This allows you to select video display devices. The default value is [Auto]. Configuration options: [CRT], and [TV]. TV Standard This allows you to set TV standard feature. The default value is [NTSC]. Configuration options: [NTSC], [PAL], [PAL-M], [PAL-60], [NTSC-JAP], [PALCN], [PAL-N]. SouthBridge Configuration OnBoard LAN This allows you to enable or disable the OnBoard LAN feature. OnBoard AC97 Audio Select [Auto], [Enabled] or [Disabled] for the onboard AC97 Audio feature. OnBoard MC97 Modem Select [Auto] or [Disabled] for the onboard MC97 Modem feature. Thermal Throttling Temperature To select the temperature to generate the thermal override event. Configu ration options: [Auto], [Disabled], [30 C], [35 C], [40 C], [45 C], [50 C], [55 C], [60 C], [65 C], [70 C], [75 C]. If you select [Disabled], you will not find Thermal Throttling Duty Cycle option appear. The default value is [Auto]. Thermal Throttling Duty Cycle To select duty cycle of the STPCLK# signal when the thermal override event is generated. Configuration options: [Auto], [12.5%], [25.00%], [37. 50%], [50.00%], [62.50%], [75.00%], [87.50%]. The default value 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 ACPI HPET Table [Disabled] [Power Off] [Disabled] [Disabled] [Disabled] [Disabled] [Disabled] +F1 F9 F10 ESC Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit Select auto-detect or disable the STR feature.
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. The default value is [Disabled]. 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. ACPI HPET Table Use this item to enable or disable ACPI HPET table feature. It will include ACPI High Precision Event Timer Table for OS if you set this option to [Enabled].

3.3.4 IDE Configuration

BIOS SETUP UTILITY Advanced IDE Configuration
ATA Combination Mode OnBoard IDE Controller OnBoard SATA Controller SATA Class Code Primary IDE Master Primary IDE Slave Secondary IDE Master Secondary IDE Slave [Disabled] [Both] [Enabled] [AHCI] [Hard Disk] [Not Detected] [ATAPI CDROM] [Not Detected] DISABLED: disables the integrated IDE Controller. PRIMARY: enables only the Primary IDE Controller. SECONDARY: enables only the Secondary IDE Controller. BOTH: enables both IDE Controllers. Select Screen Select Item Change Option General Help Load Defaults Save and Exit Exit
ATA Combination Mode The default value is [Disabled]. If you set this option as [Enabled], the options OnBoard IDE Controller, OnBoard SATA Controller, and SATA Class Code will not appear. Then, PATA devices will only connect to secondary channel, SATA devices will only connect to SATA1 and it will work as primary channel. OnBoard IDE Controller You may enable either the primary IDE channel or the secondary IDE channel. Or you may enable both the primary and the secondary IDE channels by selecting [Both]. Set to [Disabled] will disable the both. Configuration options: [Disabled], [Primary], [Secondary], [Both]. OnBoard SATA Controller Use this item to enable or disable the OnBoard SATA Controller feature. The default value is [Enabled]. SATA Class Code Use this to programe SATA controllers class code. Configuration options: [AHCI], [RAID]. The default value is [AHCI].