Gigabyte GA-EP31-DS3L Datasheet

GA-EP31-DS3LLGA775 socket motherboard for Intel® CoreTM processor family/Intel® Pentium® processor family/Intel® Celeron® processor familyUser's

GA-EP31-DS3L Motherboard - 10 -1-2 Product SpecificationsCPU  Support for an Intel® CoreTM 2 Extreme processor/Intel® CoreTM 2 Quad processor/Intel®

Hardware Installation- 11 -Internal Connectors  1 x 24-pin ATX main power connector 1 x 4-pin ATX 12V power connector 1 x floppy disk drive connect

GA-EP31-DS3L Motherboard - 12 -Unique Features  Support for @BIOS Support for Download Center Support for Q-Flash Support for EasyTune (Note 3) S

Hardware Installation- 13 -1-3 Installing the CPU and CPU CoolerRead the following guidelines before you begin to install the CPU:• Make sure that the

GA-EP31-DS3L Motherboard - 14 -B. Follow the steps below to correctly install the CPU into the motherboard CPU socket.Before installing the CPU, make

Hardware Installation- 15 -1-3-2 Installing the CPU CoolerFollow the steps below to correctly install the CPU cooler on the motherboard. (The followin

GA-EP31-DS3L Motherboard - 16 -1-4 Installing the MemoryRead the following guidelines before you begin to install the memory:• Make sure that the moth

Hardware Installation- 17 -1-4-2 Installing a MemoryNotchDDR2 DIMMBefore installing a memory module , make sure to turn off the computer and unplugthe

GA-EP31-DS3L Motherboard - 18 -PCI Slot1-5 Installing an Expansion CardRead the following guidelines before you begin to install an expansion card:• M

Hardware Installation- 19 -1-6 Back Panel ConnectorsPS/2 Keyboard and PS/2 Mouse PortUse the upper port (green) to connect a PS/2 mouse and the lower

Aug. 4, 2008MotherboardGA-EP31-DS3LMotherboardGA-EP31-DS3LAug. 4, 2008

GA-EP31-DS3L Motherboard - 20 -Center/Subwoofer Speaker Out Jack (Orange)Use this audio jack to connect center/subwoofer speakers in a 5.1/7.1-channel

Hardware Installation- 21 -1-7 Internal ConnectorsRead the following guidelines before connecting external devices:• First make sure your devices are

GA-EP31-DS3L Motherboard - 22 -ATX_12V:Pin No. Definition1 GND2 GND3 +12V4 +12VATX_12V13241312412ATXATX:Pin No. Definition13 3.3V14 -12V15 GND16 PS_ON

Hardware Installation- 23 -3/4/5/6) CPU_FAN/SYS_FAN1/SYS_FAN2/PWR_FAN (Fan Headers)The motherboard has a 4-pin CPU fan header (CPU_FAN), a 4-pin syste

GA-EP31-DS3L Motherboard - 24 -8) IDE (IDE Connector)The IDE connector supports up to two IDE devices such as hard drives and optical drives. Beforeat

Hardware Installation- 25 -10) PWR_LED (System Power LED Header)This header can be used to connect a system power LED on the chassis to indicate syste

GA-EP31-DS3L Motherboard - 26 -12) F_PANEL (Front Panel Header)Connect the power switch, reset switch, speaker and system status indicator on the cha

Hardware Installation- 27 -13) CD_IN (CD In Connector, Black)You may connect the audio cable that came with your optical drive to the header.Pin No. D

GA-EP31-DS3L Motherboard - 28 -15) SPDIF_O (S/PDIF Out Header)This header supports digital S/PDIF out and connects a S/PDIF digital audio cable (provi

Hardware Installation- 29 -17) CI (Chassis Intrusion Header)This motherboard provides a chassis detection feature that detects if the chassis cover ha

Copyright© 2008 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved.The trademarks mentioned in this manual are legally registered to their respective

GA-EP31-DS3L Motherboard - 30 -19) BAT(Battery)The battery provides power to keep the values (such as BIOS configurations, date, and timeinformation)

- 31 - BIOS SetupChapter 2 BIOS SetupBIOS (Basic Input and Output System) records hardware parameters of the system in the CMOS on themotherboard. Its

GA-EP31-DS3L Motherboard - 32 -2-1 Startup ScreenThe following screens may appear when the computer boots.A. The LOGO Screen (Default)B. The POST Scre

- 33 - BIOS Setup2-2 The Main MenuOnce you enter the BIOS Setup program, the Main Menu (as shown below) appears on the screen. Usearrow keys to move a

GA-EP31-DS3L Motherboard - 34 - The Functions of the <F11> and <F12> keys (For the Main Menu Only)` F11: Save CMOS to BIOSThis funct

- 35 - BIOS Setup2-3 Standard CMOS FeaturesCMOS Setup Utility-Copyright (C) 1984-2008 Award SoftwareStandard CMOS FeaturesDate (mm:dd:yy) Wed, Feb 20

GA-EP31-DS3L Motherboard - 36 -The following fields display your hard drive specifications. If you wish to enter the parametersmanually, refer to the

- 37 - BIOS Setup2-4 Advanced BIOS FeaturesCMOS Setup Utility-Copyright (C) 1984-2008 Award SoftwareAdvanced BIOS Features` Hard Disk Boot Priority [P

GA-EP31-DS3L Motherboard - 38 -Limit CPUID Max. to 3 (Note)Allows you to determine whether to limit CPUID maximum value. Set this item to Disabled for

- 39 - BIOS Setup2-5 Integrated PeripheralsCMOS Setup Utility-Copyright (C) 1984-2008 Award SoftwareIntegrated PeripheralsOn-Chip Primary PCI IDE [Ena

- 4 -Table of ContentsBox Contents ... 6

GA-EP31-DS3L Motherboard - 40 -SATA Port 1/3 Set toThis value is dependent on the On-Chip SATA Mode and PATA IDE Set to settings. When PATA IDE

- 41 - BIOS SetupStart detecting at Port...Link Detected --> 100MbpsCable Length= 30m When LAN Cable Is Functioning Normally...If no cable proble

GA-EP31-DS3L Motherboard - 42 -2-6 Power Management SetupCMOS Setup Utility-Copyright (C) 1984-2008 Award SoftwarePower Management SetupACPI Suspend T

- 43 - BIOS SetupResume by AlarmDetermines whether to power on the system at a desired time. (Default: Disabled)If enabled, set the date and time as f

GA-EP31-DS3L Motherboard - 44 -2-7 PnP/PCI ConfigurationsPCI1 IRQ AssignmentAuto BIOS auto-assigns IRQ to the first PCI slot. (Default)3,4,5,7,9,10,11

- 45 - BIOS Setup2-8 PC Health StatusCMOS Setup Utility-Copyright (C) 1984-2008 Award SoftwarePC Health StatusReset Case Open Status [Disabled]Case Op

GA-EP31-DS3L Motherboard - 46 -CPU Smart FAN ControlEnables or disables the CPU fan speed control function. Enabled allows the CPU fan to run atdiffe

- 47 - BIOS Setup2-9 MB Intelligent Tweaker(M.I.T.)CMOS Setup Utility-Copyright (C) 1984-2008 Award SoftwareMB Intelligent Tweaker(M.I.T.)Robust Graph

GA-EP31-DS3L Motherboard - 48 -O.C FSB1600 CPUEnable use of a CPU with 1600 MHz FSB through overclocking. You must install the FSB 1600MHz CPU with DD

- 49 - BIOS SetupSystem Memory Multiplier (SPD)Allows you to set the system memory multiplier. Options are dependent on CPU FSB. Auto setsmemory multi

- 5 -Chapter 3 Drivers Installation ... 533-1 Installing Chipset Dr

GA-EP31-DS3L Motherboard - 50 -2-10 Load Fail-Safe DefaultsPress <Enter> on this item and then press the <Y> key to load the safest BIOS d

- 51 - BIOS Setup2-12 Set Supervisor/User PasswordCMOS Setup Utility-Copyright (C) 1984-2008 Award Software` Standard CMOS Features` Advanced BIOS Fea

GA-EP31-DS3L Motherboard - 52 -2-13 Save & Exit Setup2-14 Exit Without SavingCMOS Setup Utility-Copyright (C) 1984-2008 Award Software` Standard C

Drivers Installation- 53 -Chapter 3 Drivers Installation3-1 Installing Chipset Drivers• Before installing the drivers, first install the operating sys

GA-EP31-DS3L Motherboard - 54 -3-2 Application SoftwareThis page displays all the utilities and applications that GIGABYTE develops and some free soft

Drivers Installation- 55 -3-4 ContactClick the URL on this page to link to the GIGABYTE Web site. Or read the last page of this manual to checkthe con

GA-EP31-DS3L Motherboard - 56 -3-6 Download CenterTo update the BIOS, drivers, or applications, click the Download Center button to link to the GIGABY

Unique Features- 57 -4-1 Xpress Recovery2"*" Xpress Recovery2 checks the first physical hard drive in the following sequence: The first PAT

GA-EP31-DS3L Motherboard - 58 -Installation and Configuration(The following procedure uses Windows XP as the example operating system.)A. Installing W

Unique Features- 59 -4. After the operating system is installed, right-click the My Computer icon on your desktop andselect Manage (Figure 4). Go to C

- 6 -Box ContentsGA-EP31-DS3L motherboardMotherboard driver diskUser's ManualOne IDE cable and one floppy disk drive cableTwo SATA 3Gb/s cablesI/

GA-EP31-DS3L Motherboard - 60 -2. After you use the backup function in Xpress Recovery2 for the first time, Xpress Recovery2 willstay permanent in you

Unique Features- 61 -D. Using the Restore Function in Xpress Recovery2Select RESTORE to restore the backup to your hard drive in case the system break

GA-EP31-DS3L Motherboard - 62 -Because BIOS flashing is potentially risky, please do it with caution. Inadequate BIOSflashing may result in system ma

Unique Features- 63 -B. Updating the BIOSWhen updating the BIOS, choose the location where the BIOS file is saved. The follow procedureassumes that yo

GA-EP31-DS3L Motherboard - 64 -Step 6:Select Save & Exit Setup and then press <Y> to save settings to CMOS and exit BIOS Setup. Theprocedure

Unique Features- 65 -4-2-2 Updating the BIOS with the @BIOS UtilityA. Before You Begin:1. In Windows, close all applications and TSR (Terminate and St

GA-EP31-DS3L Motherboard - 66 -Button Information Table4-3 EasyTune 5 ProEasyTuneTM 5 Pro, an easy-to-use and convenient system overclocking and manag

Unique Features- 67 -4-4 Dynamic Energy Saver AdvancedGIGABYTE Dynamic Energy Saver Advanced (Note 1)(Note 2) is a revolutionary technology that deliv

GA-EP31-DS3L Motherboard - 68 -Total Mode - Button Information TableB. Total ModeIn Total Mode, users are able to see how much total power savings the

Appendix- 69 -Chapter 5 Appendix5-1 Configuring Audio Input and Output5-1-1 Configuring 2/4/5.1/7.1-Channel AudioThe motherboard provides six audio ja

- 7 -GA-EP31-DS3L Motherboard LayoutKB_MSCPU_FANLGA775ATXGA-EP31-DS3LUSBLANCD_INF_AUDIOAUDIOB_BIOSPCIEX16PCIEX1_3F_USB2IDEPCIEX1_1SPDIF_ICIDDR2_1DDR2_

GA-EP31-DS3L Motherboard - 70 -Step 2:Click the Audio I/O tab. In the speaker list on theleft, select 2CH Speaker, 4CH Speaker, 6CHSpeaker, or 8CH Spe

Appendix- 71 -5-1-2 Installing the S/PDIF In Cable (Optional)The S/PDIF in cable provides S/PDIF in functionality.CoaxialS/PDIF InOpticalS/PDIF InStep

GA-EP31-DS3L Motherboard - 72 -S/PDIF Out:The S/PDIF out jacks can transmit audio signals to an external decoder for decoding to get the bestaudio qua

Appendix- 73 -5-1-3 Configuring Microphone RecordingStep 1:After installing the audio driver, the AudioManager icon will appear in your system tray.

GA-EP31-DS3L Motherboard - 74 -Step 4:To hear the sound being recorded during the record-ing process when using the microphone function onthe front pa

Appendix- 75 -Step 6:To raise the recording and playing sound for themicrophone, go to Options in Master Volume andselect Advanced Controls. Click the

GA-EP31-DS3L Motherboard - 76 -5-2 Troubleshooting5-2-1 Frequently Asked QuestionsTo read more FAQs for your motherboard, please go to the Support\Mot

Appendix- 77 -5-2-2 Troubleshooting ProcedureIf you encounter any troubles during system startup, follow the troubleshooting procedure below tosolve t

GA-EP31-DS3L Motherboard - 78 -If the procedure above is unable to solve your problem, contact the place of purchase or localdealer for help. Or go to

Appendix- 79 -Regulatory StatementsRegulatory NoticesThis document must not be copied without our written permission, and the contents there of must n

- 8 -Block Diagram8 USB PortsLGA775ProcessorHostInterfaceIntel® P31MCH CLK(333/266/200 MHz)DDR2 1066/800/667 MHzIntel® ICH73 PCIPCI BusDual Channel Me

GA-EP31-DS3L Motherboard - 80 -Finally, we suggest that you practice other environmentally friendly actions by understanding andusing the energy-savin

Appendix- 81 -

GA-EP31-DS3L Motherboard - 82 -

Appendix- 83 -Contact Usyyyyy GIGA-BYTE TECHNOLOGY CO., LTD.Address: No.6, Bau Chiang Road, Hsin-Tien,Taipei 231, Taiwan TEL: +886-2-8912-4888 FAX: +8

GA-EP31-DS3L Motherboard - 84 -yyyyy G.B.T. TECHNOLOGY TRADING GMBH - GermanyWEB address : http://www.gigabyte.deyyyyy G.B.T. TECH. CO., LTD. - U.K.WE

Hardware Installation- 9 -1-1 Installation PrecautionsThe motherboard contains numerous delicate electronic circuits and components which can becomeda