Gigabyte GA-P31-ES3G user manual Installing the Memory, Dual Channel Memory Configuration

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1-4 Installing the Memory

Read the following guidelines before you begin to install the memory:

Make sure that the motherboard supports the memory. It is recommended that memory of

the same capacity, brand, speed, and chips be used.

(Go to GIGABYTE's website for the latest memory support list.)

Always turn off the computer and unplug the power cord from the power outlet before installing the memory to prevent hardware damage.

Memory modules have a foolproof design. A memory module can be installed in only one direction. If you are unable to insert the memory, switch the direction.

1-4-1 Dual Channel Memory Configuration

This motherboard provides two DDR2 memory sockets and supports Dual Channel Technology. After the memory is installed, the BIOS will automatically detect the specifications and capacity of the memory. Enabling Dual Channel memory mode will double the original memory bandwidth.

The two DDR2 memory sockets are divided into two channels and each channel has one memory socket as following:

Channel 0: DDRII1 Channel 1: DDRII2

DDRII1

DDRII2

Due to chipset limitation, read the following guidelines before installing the memory in Dual Channel mode.

1.Dual Channel mode cannot be enabled if only one DDR2 memory module is installed.

2.When enabling Dual Channel mode with two memory modules, it is recommended that memory of the same capacity, brand, speed, and chips be used.

GA-P31-ES3G Motherboard

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Contents GA-P31-ES3G Motherboard Copyright DisclaimerDocumentation Classifications Identifying Your Motherboard RevisionTable of Contents Drivers Installation Optional Items GA-P31-ES3G Motherboard Layout Block Diagram Hardware Installation Installation PrecautionsProduct Specifications CPUBios Page Installing the CPU and CPU Cooler Installing the CPUCPU Socket Lever Installing the CPU Cooler Installing the Memory Dual Channel Memory ConfigurationInstalling a Memory Installing an Expansion Card Back Panel Connectors Line Out Jack Green Line In Jack BlueMic In Jack Pink Internal Connectors PwrledGND FDD Floppy Disk Drive Connector 5 CPUFAN/SYSFAN1/SYSFAN2/PWRFAN Fan HeadersIDE IDE Connector SATA20/1/2/3 Sata 3Gb/s Connectors, Controlled by ICH7Pwrled System Power LED Header Faudio Front Panel Audio HeaderFpanel Front Panel Header Cdin CD In Connector Spdifo S/PDIF Out HeaderFUSB1/FUSB2 USB Headers Clrcmos Clearing Cmos JumperBattery CI Chassis Intrusion HeaderGA-P31-ES3G Motherboard Bios Setup Logo Screen Default Startup ScreenBios Setup Program Function Keys Sample Bios Version E4Main Menu „ Standard Cmos Features „ Advanced Bios Features„ Power Management Setup „ PnP/PCI ConfigurationsDate TimeIDE Channel 0 Master/Slave IDE Channel 2, 3 Master/SlaveFloppy 3 Mode Support Drive aHalt On MemoryHard Disk Boot Priority First/Second/Third Boot DevicePassword Check HDD S.M.A.R.T. CapabilityLimit Cpuid Max. to 3 Note No-Execute Memory Protect NoteCPU Enhanced Halt C1ENote CPU Thermal Monitor 2 TM2 NoteOn-Chip Sata Mode On-Chip Primary PCI IDEPata IDE Set to Sata Port 0/2 Set toSmart LAN LAN Cable Diagnostic Function Sata Port 1/3 Set toUSB Controller USB 2.0 ControllerOnboard LAN Boot ROM Parallel Port ModeOnboard Serial Port Onboard Parallel PortSoft-Off by PWR-BTTN Power On by RingPME Event Wake Up Resume by Alarm Hpet Mode NotePower On By Mouse Power On By KeyboardPnP/PCI Configurations Reset Case Open Status Current CPU TemperatureCurrent CPU/POWER/SYSTEM FAN Speed RPM CPU Warning TemperatureCPU Smart FAN Control Robust Graphics Booster CPU Clock Ratio NoteFine CPU Clock Ratio Note CPU FrequencyFSB1600 CPU CPU Host Clock ControlCPU Host Frequency Mhz PCI Express Frequency MhzDDR2 OverVoltage Control PCI-E OverVoltage ControlFSB OverVoltage Control Gmch OverVoltage ControlLoad Fail-Safe Defaults Load Optimized DefaultsSet Supervisor/User Password Save & Exit Setup Exit Without SavingDrivers Installation Installing Chipset DriversApplication Software Technical ManualsContact SystemDownload Center Before You Begin Xpress Recovery2System Requirements Installation and Configuration Installing Windows XP and Partitioning the Hard DrivePage Accessing Xpress Recovery2 Using the Backup Function in Xpress Recovery2Removing the Backup Using the Restore Function in Xpress Recovery2Exiting Xpress Recovery2 Bios Update Utilities Updating the Bios with the Q-Flash UtilityUpdating the Bios Page Using @BIOS Updating the Bios with the @BIOS UtilityAfter Updating the Bios EasyTune 5 Pro EasyTune 5 Pro Interface Button Information TableMeter Mode Button Information Table Easy Energy Saver Interface Meter ModeEasy Energy Saver Total Mode Button Information Table Total ModeStealth Mode Configuring 2/4/5.1/7.1-Channel Audio Configuring Audio Input and OutputConfiguring Speakers Front Speaker Out Activating an AC97 Front Panel Audio Module Configuring Sound EffectMuting the Back Panel Audio For HD Audio Only Configuring S/PDIF out Configuring S/PDIF OutConneting a S/PDIF out Cable Configuring Microphone Recording Select Realtek HD Audio Input in the Mixer device list Recording the Sound Using the Sound RecorderPlaying the Sound Troubleshooting Frequently Asked QuestionsTroubleshooting Procedure StartEND Weee Symbol Statement Regulatory StatementsRegulatory Notices Our Commitment to Preserving the EnvironmentChina Restriction of Hazardous Substances Table Appendix GA-P31-ES3G Motherboard Contact Us B.T. INC USA MexicoGigabyte Global Service System