Page 1
G31 Series Socket LGA775 Processor Mainboard User’s Manual Rev: 1.0, May 2010...
Page 2
Disclaimer The intellectual property of this manual belongs to our company. The ownership of all of the products, including accessories and software etc. belong to our company. No one is permitted to copy, change, or translate without our written permission. We compiled this manual based on our careful attitude, but we can not guarantee the accuracy of the contents.
Table of Contents Chapter 1 Introduction ..................... 3 1.1 Package Checklist ....................3 1.2 Specifications ......................4 1.3 Mainboard Layout ....................5 1.4 Connecting Rear Panel I/O Devices .................6 Chapter 2 Hardware Setup ..................7 2.1 Choosing a Computer Chassis ................7 2.2 Installing the Mainboard ..................7 2.3 Installation of the CPU and CPU Cooler ..............8 2.3.1 Installation of the CPU ..................8 2.3.2 Installation of the CPU Cooler................9...
G31 Series User's Manual Chapter 1 Introduction 1.1 Package Checklist Thank you for choosing our product. Please check with the following list of accessories, if there is any broken or missing part, please contact your dealer or the local distributor.
G31 Series User's Manual 1.4 Connecting Rear Panel I/O Devices The rear I/O of the mainboard provides the following I/O ports: (This picture is only for reference) • PS/2 Mouse: Connects to a PS/2 mouse. • PS/2 Keyboard: Connects to a PS/2 keyboard.
G31 Series User's Manual Chapter 2 Hardware Setup 2.1 Choosing a Computer Chassis The mainboard and its component layouts illustrated in this chapter were based mainly on model “G31”, unless specifi cally stated. • Choose a chassis big enough to install this mainboard.
G31 Series User's Manual 2.3 Installation of the CPU and CPU Cooler Before installing the CPU, please comply with the following conditions: 1. Please make sure that the mainboard supports the CPU. 2. Please take note of the one indented corner of the CPU. If you install the CPU in the wrong direction, the CPU will not insert properly.
G31 Series User's Manual 2.3.2 Installation of the CPU Cooler For proper installation, please kindly refer to the instruction manuals of your CPU Cooler. 2.4 Installation of Memory Modules This mainboard provides two 240-pin DDRII (Double Data Rate) DIMM slots, and supports Dual Channel Memory Technology.
G31 Series User's Manual 2.5 Connecting Peripheral Devices 2.5.1 IDE Disk Drive Connectors Each of the IDE port connects up to two IDE JG31C02 V1.1 185*243.8MM drives at Ultra ATA 100/66/33 mode by one 40-pin, 80-conductor,and 3-connector Ultra ATA/66 ribbon cables.
G31 Series User's Manual Chapter 3 Jumpers & Headers Setup 3.1 Checking Jumper Settings • For a 2-pin jumper, plug the jumper cap on both pins will make it CLOSE (SHORT). Remove the jumper cap, or plug it on either pin (reserved for future use) will leave it at OPEN position.
G31 Series User's Manual 3.4 FAN Power Connectors These connectors each provide power to the cooling fans installed in your system. CFAN: CPU Fan Power Connector JG31C02 V1.1 185*243.8MM SFAN1: System Fan Power Connector These fan connectors are not jumpers. DO NOT place jumper caps on these connectors.
G31 Series User's Manual 3.6 Additional USB Port Headers The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an optional USB bracket. JG31C02 V1.1 185*243.8MM Pin Assignment Pin Assignment Data 0- Data 0-...
G31 Series User's Manual 3.8 S/PDIF Output Connection Header S/PDIF (Sony/Philips Digital Interface) is a standard audio transfer file format. It is usually found on digital audio equipment such as a DAT (Digital Audio Tape) machine or audio processing device. It allows the transfer of audio from one file to another without the conversion to and from an analog format, which could degrade the signal quality.
G31 Series User's Manual 3.11 Power Connectors ATXPWR (ATX Power) connector We recommend to use our motherboard with a power supply that complies with the ATX12V Power Supply Design Guide Version 1.1. Every ATX12V power supply unit has a standard 24-pin ATX main power connector that must be plugged into this connector.
G31 Series User's Manual Chapter 4 BIOS Setup Utility BIOS stands for Basic Input and Output System. It was once called ROM BIOS when it was stored in a Read-Only Memory (ROM) chip. Now manufacturers would like to store BIOS in EEPROM which means Electrically Erasable Programmable Memory.
G31 Series User's Manual 4.5 BIOS Setup — CMOS Setup Utility • In order to increase system stability and performance, our engineering staff is constantly improving the BIOS menu. The BIOS setup screens and descriptions illustrated in this manual are for your reference only, and may not completely match with what you see on your screen.
G31 Series User's Manual 4.5.2 Control Keys Press F1 to pop up a small help window that describes the appropriate keys to use and the possible selections for the highlighted item. Please check the following table for the function description of each control key.
Page 20
User's Manual BIOS SETUP UTILITY Main System Overview AMIBIOS Version :08.00.15 Build Date:10/14/08 BIOS ID G410A002 Processor Intel(R) Core(TM)2 Duo CPU E4500 @ 2.20GHz ← Select Screen Speed :2213MHz ↑ ↓ Select Item Count General Help Save and Exit System Memory...
G31 Series User's Manual • Type Use this item to configure the type of the IDE device that you specify. • LBA/Large Mode Enables or disables the LBA mode. Setting to [Auto] enables the LBA mode if the device supports this mode, and if the device was not previously formatted with LBA mode disabled.
Page 22
This items in this menu show the CPU-related information that the BIOS automatically detects. BIOS SETUP UTILITY Advanced Configure advanced CPU settings Control CPU Ratio. Module Version: 3F.0E Manufacturer:Intel Intel(R) Core(TM)2 Duo CPU E4500 @ 2.20GHz Frequency :2.21GHz FSB Speed :800MHz Cache L1...
Page 23
G31 Series User's Manual ► Chipset The Chipset menu allows you to change the advanced chipset settings. Click <Enter> key to enter its submenu. BIOS SETUP UTILITY Advanced Advanced Chipset Settings ENABLE: Allow remapping of overlapped WARNING: Setting wrong values in below sections PCI memory above the may cause system to malfunction.
Page 24
G31 Series User's Manual • DVMT Mode Select Allows you to select the graphics memory type. • DVMT/FIXED Memory This item allows the user to adjust DVMT/FIXED graphics memory size. • Spread Spectrum Clock This item enables user to set the spread spectrum modulation.
Page 25
G31 Series User's Manual • USB 2.0 Controller Allows you to enable or disable the USB 2.0 controller. • ATA/IDE Configuration Specifies the integrated IDE controller. • Configure SATA as This option is displayed when the ATA/IDE Configuration option is set to Enhanced.
Page 26
G31 Series User's Manual ► PCIPnP The PCIPnP menu items allow you to change the advanced settings for PCI/PnP devices. BIOS SETUP UTILITY Advanced Advanced PCI/PnP Settings Clear NVRAM during System Boot. WARNING: Setting wrong values in below sections may cause system to malfunction.
G31 Series User's Manual 4.5.5 Boot setting BIOS SETUP UTILITY Main Advanced Boot Security Power JUSTw00t! Exit Boot Settings Configure Settings during System Boot. ► Boot Settings Configuration ► Boot Device Priority ► Hard Disk Drives ► Removable Drives ←...
Page 28
G31 Series User's Manual ► Boot Device Priority Click <Enter> key to enter its submenu, it will be display specifies the boot sequence from the available devices. BIOS SETUP UTILITY Boot Boot Device Priorty Specifies the boot sequence from the...
G31 Series User's Manual 4.5.6 Security setting BIOS SETUP UTILITY Main Advanced Boot Security Power JUSTw00t! Exit Security Settings Install or Change the password. Supervisor Password : Not Installed User Password : Not Installed Change Supervisor Password ← User Access Level...
G31 Series User's Manual 4.5.7 Power setting BIOS SETUP UTILITY Main Advanced Boot Security Power JUSTw00t! Exit Power Settings Section for Advanced ACPI Configuration. ► ACPI Configuration ← Select Screen ► APM Configuration Select Item ↑ ↓ ► PC Health...
Page 31
G31 Series User's Manual ► APM Configuration Click <Enter> key to enter its submenu, APM Configuration Template Manager allows you to manage Power Managerment default or custom configuration templates. BIOS SETUP UTILITY Power APM Settings Any Key: Support "On/OFF" Power On By PS/2 Keyboard [Disabled] and "Suspend"...
Page 32
G31 Series User's Manual BIOS SETUP UTILITY Power PC Health Fan configuration mode setting Sys Temperature C/60 CPU Temperature C/122 CFAN Speed :1985 RPM CPUCore Voltage Detected :1.192 V +3.3 V Voltage Detected :3.232 V +12 V Voltage Detected :12.144 V ←...
G31 Series User's Manual 4.5.8 JUSTw00t! setting BIOS SETUP UTILITY Main Advanced Boot Security Power JUSTw00t! Exit Over Voltage and Clock Settings Allows BIOS to Select ClockGenerator Mode CPU Boot Frequency : 2.21GHz (200x11.0) in Linear or Table. CPU Adjust Frequency: 2.20GHz (200x11.0) O.C Control...
Page 34
G31 Series User's Manual ・DRAM Adjust Frequency It shows the adjusted DDR Memory frequency. (Read-only) ・DRAM Frequency Allows you to set the DDR2 operating frequency. ・Performance Level Maybe cause unstable of system or can't power on if setting abnormity. (suggest to use under of special stuff guide.)
G31 Series User's Manual 4.5.9 Exit Options BIOS SETUP UTILITY Main Advanced Boot Security Power JUSTw00t! Exit Exit Options Exit system setup after saving the Save Changes and Exit changes. Discard Changes and Exit Discard Changes F10 key can be used for this operation.
Page 36
G31 Series User's Manual Discard Changes and Exit Highlight this item and select <Ok>,then press <Enter> to discard any changes that you have made in the Setup Utility and exit the Setup Utility. Or press <Cancel> to return to the main menu.
Page 37
G31 Series User's Manual Load Optimized Defaults This option opens a dialog box that let you install optimized defaults for all appropriate items in the Setup Utility. Select <OK> and then <Enter> to install the defaults. select <Cancel> and then <Enter> to not install the defaults. The optimized defaults place demand on the system that may be greater than the performance level of the components, such as the CPU and the memory.
G31 Series User's Manual Chapter 5 Driver Installation Check your package and there is Driver CD included. This CD consists of all drivers you need. In addition, this CD also include an auto detect software which can tell you which hardware is installed, and which drivers needed so that your system can function properly.
Page 39
User's Manual When you choose Mainboard Driver installation Utility, the drivers menu should appear as below: Back <- INTEL Chipset Installation Utility INTEL Chipset VGA Graphics Driver Onboard LAN Driver Realtek HD Audio Driver Exit (This picture is only for reference)