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G31 Series G31+ICH7 Chipset Socket LGA755 Processor Mainboard User’s Manual Rev: 1.3, Nov 2007 P/N: 88ENG31A03...
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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.
G31 Series User's Manual Chapter 1 Introduction 1.1 Package Checklist Thank you for choosing our product. Please check the following packing and accessories, if there is any broken or part missing, please contact with your franchiser. • HDD Cable X 1 •...
G31 Series User's Manual 1.4 Connecting Rear Panel I/O Devices The rear I/O part of these mainboard provides the following I/O ports: (Optional) (Optional) (Optional) Debug LED (Optional) (This picture is only for reference) • PS/2 Mouse: Connect to PS/2 mouse. •...
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 “ JW-IG31-MX ”, 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 Floppy and IDE Disk Drive Connectors Each of the IDE port connects up to two IDE drives at Ultra ATA 66/100 mode by one 40-pin, 80-conductor,and 3-connector Ultra ATA/66 ribbon cables. Connect the single end (blue connector) at the longer length of ribbon cable to the IDE port of this board, the other two ends (gray and black...
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 or CFAN1: CPU Fan Power Connector SYSFAN1: System Fan Power Connector SYSFAN2: System Fan Power Connector (Optional) SFAN1 CFAN or CFAN1 SFAN2 These fan connectors are not jumpers.
G31 Series User's Manual 3.6 Additional USB Port Headers Pin Assignment Pin Assignment Data 0- Data 0- Data 0+ Data 0+ Ground Ground No Pin 3.7 Front Panel Audio Connection Header HD Audio: Pin No. Definition MIC2_L AGND MIC2_R OUT_R MIC2_JD SENSE No Pin...
G31 Series User's Manual 3.8 Serial Port Header This JCOM1 header supports a serial port module. Pin Assignment Pin Assignment 3.9 IR Connection Header Connect the IrDA cable (if available) to this IR connector. Pin No. Definition IRRX IRTX - 1 -...
G31 Series User's Manual 3.10 Internal Audio Connectors Connect CD-ROM or DVD-ROM audio out to the connector. Pin No. Definition CD-L CD-R 3.11 ATX Power Input Connectors This mainboard provides two power connectors to connect power supplier. There are two ATX 12V connectors according to different Model, one is 4Pin,another...
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 • BIOS Security Features Change, set, or disable password. It allows you to limit access to the system and Setup, or just to Setup. • Load Optimal Defaults Optimized Defaults indicates the value of the system parameters which the system would be in best performance configuration.
G31 Series User's Manual 4.5.3 Standard BIOS Features CMOS Setup Utility - Copyright (C) 1985-2004,American Megatrends, Inc Standard BIOS Features System Overview Item Help AMIBIOS Use [ENTER],[TAB] Verision :08.00.14 or [SHIFT-TAB] to Buid Date :09/18/07 select a field. :G310A008 Use [+] or [-] to Processor c o n f i g u r e s y s t e m @ 2.40GHz...
G31 Series User's Manual 4.5.4 Advanced BIOS Features CMOS Setup Utility - Copyright (C) 1985-2004,American Megatrends, Inc. Advanced BIOS Features Advanced Settings Item Help WARNING:Setting wrong values in below sections Configuration CPU. may cause system to malfunction. ► CPU Configuration Press Enter [Press Enter] ►...
G31 Series User's Manual ► PCI Express Configuration Click <Press Enter> key to enter its submenu, it will be display PCI express configuration, this item sets the active state for express PCI between disabled and enabled. ► Smbios Configuration Click <Press Enter> key to enter its submenu, it will be dispay Smbios configuration, this item sets SMBIOS Smi support for PnP function within the optional, between enabled and disabled.
G31 Series User's Manual 4.5.6 PCI/PNP Resource Management CMOS Setup Utility - Copyright (C) 1985-2004,American Megatrends,Inc. PCI/PNP Resource Management Advanced PCI/Pnp Settings Item Help WARNING:Setting wrong values in below sections may Clear NVRAM during cause system to malfunction. System Boot. Clear NVRAM [No] Plug &...
G31 Series User's Manual ・ IRQ3/4/5/6/7/9/10/11/14/15 This specified IRQ is available to be used by PCI/PnP devices or reserved for use by Legacy ISA devices. ・ DMA Channel 0/1/3/5/6/7 This specified DMA is available to be used by PCI/PnP devices or reserved for use by Legacy ISA devices.
G31 Series User's Manual ► APM Configuration This item allows you to set Power Management/APM between Enable or disable, Power down video in suspend or standy Mode, Power down hard disk in suspend or standby mode, Go into suspend in the specified time, Select the Duty Cycle in Throttle mode, Monitor KBC ports 60/6 and go into On/Off, or suspend when power button is pressed.
G31 Series User's Manual 4.5.10 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 4.5.13 Save Changes and Exit Highlight this item and select <Ok>,then press <Enter> to save the changes that you have made in the Setup Utility and exit the Setup Utility. Or press <Cancel> to return to the main menu.
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.
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G31 Series User's Manual When you choose Mainboard Driver installation Utility, the drivers menu should appear as below: (This picture is only for reference) From the Drivers MENU you may make 4 selections: INTEL Chipset Installation Utility INTEL Chipset VGA Graphics Driver Realtek LAN Driver Realtek AC'97 Audio Driver - 0 -...
G31 Series User's Manual APPENDIX 1 POST Codes NOTE: EISA POST codes are typically output to port address 300h. ISA POST codes are output to port address 80h. Code (hex) Name Description Turn Off Chipset Cache OEM Specific-Cache control Processor Test 1 Processor Status (1FLAGS) Verification.
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G31 Series User's Manual Early Cache Initialization Cyrix CPU initialization. Cache initialization. Setup Interrupt Vector Initialize first 120 interrup tvectors with SPURIOUS_INT_HDLR Table and initialize INT 00h-1Fh according to INT_TBL. Test CMOS RAM Test CMOS RAM Checksum, if bad, or insert key pressed, Checksum load defaults.
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G31 Series User's Manual 21-2F Enable Slots 1-15 Initialize slots 1 through 15. Size Base and Extended Size base memory from 256K to 640K and extended memory Memory above 1MB. Test Base and Extended Test base memory from 256K to 640K and extended memory Memory above 1MB using various patterns.
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G31 Series User's Manual Manufacturing POST Reboot if Manufacturing POST Loop pin is set. Otherwise Loop or Display display any messages (i.e., any non-fatal errors that were Messages detected during POST) and enter Setup. Security Check Ask password security (optional). Write CMOS Write all CMOS values back to RAM and clear screen.
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