G31M-GS / G31M-S
User Manual
Version 1.0
Published February 2009
Copyright©2009 ASRock INC. All rights reserved.
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Copyright Notice:Copyright Notice:
Copyright Notice:
Copyright Notice: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 regis-
tered 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:Disclaimer:
Disclaimer:
Disclaimer:Disclaimer:
Specifications and information contained in this manual are furnished for informa-
tional 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 warran-
ties 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.
CALIFORNIA, USA ONLY
The Lithium battery adopted on this motherboard contains Perchlorate, a toxic
substance controlled in Perchlorate Best Management Practices (BMP) regulations
passed by the California Legislature. When you discard the Lithium battery in
California, USA, please follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see
www.dtsc.ca.gov/hazardouswaste/perchlorate”
ASRock Website: http://www.asrock.com
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ContentsContents
Contents
ContentsContents
1 Introduction1 Introduction
1 Introduction
1 Introduction1 Introduction
1.1 Package Contents .......................................................... 5
1.2 Specifications ................................................................ 6
1.3 Motherboard Layout ........................................................ 10
1.4 I/O Panel......................................................................... 11
2 Installation2 Installation
2 Installation
2 Installation2 Installation
2.1 Screw Holes ................................................................... 12
2.2 Pre-installation Precautions ............................................ 12
2.3 CPU Installation .............................................................. 13
2.4 Installation of Heatsink and CPU fan ............................... 15
2.5 Installation of Memory Modules (DIMM) ......................... 16
2.6 Expansion Slots (PCI and PCI Express Slots) ..................... 17
2.7 Jumpers Setup ............................................................... 18
2.8 Onboard Headers and Connectors .................................. 20
2.9 SATAII Hard Disk Setup Guide ........................................ 24
2.10 Serial ATA (SATA) / Serial ATAII (SATAII) Hard Disks
Installation ...................................................................... 25
2.11 Driver Installation Guide .............................................. 25
2.12 Untied Overclocking Technology .................................... 25
3 BIOS S3 BIOS S
3 BIOS S
3 BIOS S3 BIOS S
ETUP UTILITYETUP UTILITY
ETUP UTILITY
ETUP UTILITYETUP UTILITY
3.1 Introduction ..................................................................... 26
3.1.1 BIOS Menu Bar ..................................................... 26
3.1.2 Navigation Keys .................................................... 27
3.2 Main Screen ................................................................... 27
3.3 Smart Screen ................................................................. 29
3.4 Advanced Screen ............................................................ 30
3.4.1 CPU Configuration ................................................ 30
3.4.2 Chipset Configuration ............................................ 32
3.4.3 ACPI Configuration ................................................ 35
3.4.4 IDE Configuration .................................................. 36
3.4.5 PCIPnP Configuration ........................................... 38
3.4.6 Floppy Configuration ............................................. 39
3.4.7 Super IO Configuration .......................................... 39
3.4.8 USB Configuration ................................................ 40
3.5 Hardware Health Event Monitoring Screen ...................... 41
3.6 Boot Screen ................................................................... 42
3.6.1 Boot Settings Configuration ................................... 42
3.7 Security Screen .............................................................. 43
3.8 Exit Screen .................................................................... 44
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4 Software Support4 Software Support
4 Software Support
4 Software Support4 Software Support
4.1 Install Operating System ................................................ 45
4.2 Support CD Information ................................................... 45
4.2.1 Running Support CD ............................................. 45
4.2.2 Drivers Menu ......................................................... 45
4.2.3 Utilities Menu ........................................................ 45
4.2.4 Contact Information ............................................... 45
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Chapter 1 IntroductionChapter 1 Introduction
Chapter 1 Introduction
Chapter 1 IntroductionChapter 1 Introduction
Thank you for purchasing ASRock G31M-GS / G31M-S motherboard, a reliable
motherboard produced under ASRock’s consistently stringent quality control. It delivers
excellent performance with robust design conforming to ASRock’s commitment to qual-
ity 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 VGA cards and CPU support lists on ASRock website
as well. ASRock website
If you require technical support related to this motherboard, please visit
our website for specific information about the model you are using.
www.asrock.com/support/index.asp
1.1 P1.1 P
ackack
1.1 P
1.1 P1.1 P
ASRock G31M-GS / G31M-S Motherboard
(Micro ATX Form Factor: 9.6-in x 7.5-in, 24.4 cm x 19.1 cm)
ASRock G31M-GS / G31M-S Quick Installation Guide
ASRock G31M-GS / G31M-S Support CD
One 80-conductor Ultra ATA 66/100 IDE Ribbon Cable (Optional)
One Serial ATA (SATA) Data Cable (Optional)
One Serial ATA (SATA) HDD Power Cable (Optional)
One I/O Panel Shield
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http://www.asrock.com
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1.21.2
SpecificationsSpecifications
1.2
Specifications
1.21.2
SpecificationsSpecifications
Platform - Micro ATX Form Factor: 9.6-in x 7.5-in, 24.4 cm x 19.1 cm
CPU - LGA 775 for Intel
®
CoreTM 2 Extreme / CoreTM 2 Quad / Core
2 Duo / Pentium® Dual Core / Celeron® Dual Core / Celeron®,
supporting Penryn Quad Core Yorkfield and Dual Core
Wolfdale processors
- Compatible with all FSB1600/1333/1066/800MHz CPUs
(see CAUTION 1)
- Supports Hyper-Threading Technology (see CAUTION 2)
- Supports Untied Overclocking Technology (see CAUTION 3)
- Supports EM64T CPU
Chipset - Northbridge: Intel
®
G31
- Southbridge: Intel® ICH7
Memory - Dual Channel DDR2 Memory Technology (see CAUTION 4)
- 2 x DDR2 DIMM slots
- Supports DDR2 800/667 non-ECC, un-buffered memory
(see CAUTION 5)
- Max. capacity of system memory: 8GB (see CAUTION 6)
Expansion Slot - 1 x PCI Express x16 slot
- 1 x PCI Express x1 slot
- 2 x PCI slots
Graphics - Intel
®
Graphics Media Accelerator 3100
- Pixel Shader 2.0, DirectX 9.0
- Max. shared memory 384MB (see CAUTION 7)
Audio - 5.1 CH Windows
®
VistaTM Premium Level HD Audio
(VIA® VT1708S Audio Codec)
LAN - G31M-GS
Realtek PCIE x 1 Gigabit LAN RTL8111DL,
speed 10/100/1000 Mb/s
- G31M-S
Realtek PCIE x1 LAN 8103EL / 8102EL, speed 10/100 Mb/s
- Supports Wake-On-LAN
Rear Panel I/O 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
- HD Audio Jack: Line in / Front Speaker / Microphone
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Connector - 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
- CD in header
- Front panel audio connector
- 2 x USB 2.0 headers (support 4 USB 2.0 ports)
(see CAUTION 9)
BIOS Feature - 4Mb AMI BIOS
- AMI Legal BIOS
- Supports “Plug and Play”
- ACPI 1.1 Compliance Wake Up Events
- Supports jumperfree
- AMBIOS 2.3.1 Support
- Supports Smart BIOS
Support CD - Drivers, Utilities, AntiVirus Software (Trial Version)
Unique Feature - ASRock OC Tuner (see CAUTION 10)
- Intelligent Energy Saver (see CAUTION 11)
- Hybrid Booster:
- CPU Frequency Stepless Control (see CAUTION 12)
- ASRock U-COP (see CAUTION 13)
- Boot Failure Guard (B.F.G.)
Hardware - CPU Temperature Sensing
Monitor - Chassis Temperature Sensing
- CPU Fan Tachometer
- Chassis Fan Tachometer
- CPU Quiet Fan
- Voltage Monitoring: +12V, +5V, +3.3V, Vcore
OS - Microsoft
®
Windows® 2000 / XP / XP 64-bit / Vista
TM
/
VistaTM 64-bit compliant
Certifications - FCC, CE
* For detailed product information, please visit our website: http://www.asrock.com
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WA R NING
Please realize that there is a certain risk involved with overclocking, including adjusting
the setting in the BIOS, applying Untied Overclocking Technology, or using the third-
party overclocking tools. Overclocking may affect your system stability, or even
cause damage to the components and devices of your system. It should be done at
your own risk and expense. We are not responsible for possible damage caused by
overclocking.
CAUTION!
1. FSB1600-CPU will operate in overclocking mode. Under this situation,
PCIE frequency will also be overclocked to 120MHz. Besides, if you want
to overclock the CPU you adopt from FSB800 to FSB1066, you need to
adjust the jumpers. Please refer to page 19 for proper jumper settings.
2. About the setting of “Hyper Threading Technology”, please check page 32.
3. This motherboard supports Untied Overclocking Technology. Please read
“Untied Overclocking Technology” on page 25 for details.
4. 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 16 for proper installation.
5. Please check the table below for the CPU FSB frequency and its
corresponding memory support frequency.
CPU FSB Frequency Memory Support Frequency
1600 DDR2 800
1333 DDR2 667, DDR2 800
1066 DDR2 667, DDR2 800
800 DDR2 667, DDR2 800
6. Due to the operating system limitation, the actual memory size may be
less than 4GB for the reservation for system usage under Windows® XP
and Windows
bit with 64-bit CPU, there is no such limitation.
7. The maximum shared memory size is defined by the chipset vendor and
is subject to change. Please check Intel
8. Before installing SATAII hard disk to SATAII connector, please read the “SATAII
Hard Disk Setup Guide” on page 24 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
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:
®
VistaTM. For Windows® XP 64-bit and Windows® VistaTM 64-
®
website for the latest information.
®
Windows
http://www.asrock.com
®
®
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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 excep-
tional power saving and improve power efficiency without sacrificing
computing performance. Please visit our website for the operation pro-
cedures of Intelligent Energy Saver.
ASRock website: http://www.asrock.com
12. Although this motherboard offers stepless control, it is not recom-
mended to perform over-clocking. Frequencies other than the recom-
mended CPU bus frequencies may cause the instability of the system
or damage the CPU.
13. 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.
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1.3 Motherboard Layout1.3 Motherboard Layout
1.3 Motherboard Layout
1.3 Motherboard Layout1.3 Motherboard Layout
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3
4 5
19.1cm (7.5in)
Keyboard
Mouse
PS2
PS2
1
PS2_USB_PWR1
COM1
VGA1
28
USB 2.0
T:USB2
ATX12V1
B: USB3
USB 2.0
Top:
T:USB0
RJ-45
B: USB1
27
LineOut
Bottom:
Center:
LineIn
MicIn
Top:
26
25
LAN
PHY
OC800
1
FSB0
1
FSB1
1
LPT1
1
PCIE1
Intel
G31
Chipset
CMOS
Battery
24
PCI1
PCI2
CHA_FAN1
PCIE2
4Mb
BIOS
19
18
Super
IO
RoHS
23
22
CD1
AUDIO
CODEC
FLOPPY1
HD_AUDIO1
1
21
20
CPU_FAN1
FSB1600
DDR2 800
Dual Channel
FSB800
DDRII_1 (64bit, 240-pin module)
FSB800
DDRII_2 (64bit, 240-pin module)
6
24.4cm (9.6in)
7
CLRCMOS1
IDE1
8
9
Intel
ICH7
SATAII_3
PANEL1
PLEDPWRBTN
1
HDLED RESET
17
USB6_7
USB4_5
1
1
16
SATAII_1
SPEAKER1
1
15
13
14
10
SATAII_4
11
SATAII_2
12
1 PS2_USB_PWR1 Jumper 15 USB 2.0 Header (USB6_7, Blue)
2 775-Pin CPU Socket 16 USB 2.0 Header (USB4_5, Blue)
3 North Bridge Controller 17 System Panel Header (P ANEL1, Orange)
4 CPU Fan Connector (CPU_FAN1) 18 BIOS SPI Chip
5 2 x 240-pin DDR2 DIMM Slots 19 Chassis Fan Connector (CHA_FAN1)
(Dual Channel: DDRII_1, DDRII_2; Yellow) 20 Floppy Connector (FLOPPY1)
6 A TX Power Conne ctor (A TXPW R1) 21 Front Panel Audio Header
7 IDE1 Connector (IDE1, Blue) (HD_AUDIO1, Lime)
8 Clear CMOS Jumper (CLRCMOS1) 22 PCI Slots (PCI1- 2)
9 South Bridge Controller 23 Internal Audio Connector: CD1 (Black)
10 Third SAT AII Connector (SA T AII_3; Ora nge) 24 PCI Express x16 Slot (PCIE2)
11 Fourth SAT AII Conne ctor (SA TAII_4; Orange) 25 PCI Express x1 Slot (PCIE1)
12 Secondary SAT AII Connector (SA T AII_2; Red) 26 Print Port Header (LPT1, Purple)
13 Primary SATAII Connector (SATAII_1; Red) 27 OC 800 / FSB0 / FSB1 Jumper
14 Chassis Speaker Header (SPEAKER 1, Purple) 28 ATX 12V Connector (ATX12V1)
1010
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1010
1.4 I/O P1.4 I/O P
1.4 I/O P
1.4 I/O P1.4 I/O P
anelanel
anel
anelanel
1
2
3
4
5
6
10
1 PS/2 Mouse Port (Green) 6 Microphone (Pink)
2 USB 2.0 Ports (USB23) 7 USB 2.0 Ports (USB01)
3 RJ-45 Port 8 VG A Port
4 Line In (Light Blue) 9 COM Port
5 Line Out (Lime) 10 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. After restarting your computer, you will find “VIA HD Audio Deck” tool on
your system. Please follow below instructions according to the OS you install.
For Windows
Please click “VIA HD Audio Deck” icon , and click “Speaker”. Then you are allowed to
select “2 Channel” or “4 Channel”. Click “Power” to save your change.
For Windows® VistaTM / VistaTM 64-bit OS:
Please click “VIA HD Audio Deck” icon , and click “Advanced Options” on the left side
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®
2000 / XP / XP 64-bit OS:
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7
on the bottom. In “Advanced Options” screen, select “Independent Headphone”, and click
“OK” to save your change.
If you enable Multi-Streaming function, Side Speaker function will be disabled. You can only
choose to enable either Multi-Streaming function or Side Speaker function.
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Chapter 2 InstallationChapter 2 Installation
Chapter 2 Installation
Chapter 2 InstallationChapter 2 Installation
G31M-GS / G31M-S is a Micro ATX form factor (9.6" x 7.5", 24.4 x 19.1 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 Holes2.1 Screw Holes
2.1 Screw Holes
2.1 Screw Holes2.1 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 Precautions2.2 Pre-installation Precautions
2.2 Pre-installation Precautions
2.2 Pre-installation Precautions2.2 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.
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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 Installation2.3 CPU Installation
2.3 CPU Installation
2.3 CPU Installation2.3 CPU Installation
For the installation of Intel 775-LAND CPU,
please follow the steps below.
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.
775-Pin Socket Overview
Step 1. Open the socket:
Step 1-1. Disengaging the lever by depressing
Lift Lever Up to 90°
down and out on the hook to clear
retention tab.
Step 1-2. Rotate the load lever to fully open po-
sition at approximately 135 degrees.
Step 1-3. Rotate the load plate to fully open po-
sition 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.
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
CPU Marked Corner
Socket Marked Corner
alignment key
Pin1
black line
black line
alignment key
775-LAND CPU
775-Pin Socket
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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.
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