Gigabyte GA-7N400S-L user manual Set System Clock Clksw, Installation of the CPU and Heatsink

Page 11

1-3 Set System Clock (CLK_SW)

The system bus frequency can be switched at 100/133/166/200MHz by adjusting CLK_SW. (The internal frequency depend on CPU.)

ON

ON: Auto (133/166/200MHz, supports the 266/333/ 400MHz FSB CPU, Default)

OFF

ON

OFF: FORCE 100MHz (supports the 200MHz FSB

OFF CPU)

When you use a CPU with 200MHz FSB, please do set the CLK_SW to OFF (100MHz).

CLK_SW

Default setting: ON

1-4 Installation of the CPU and Heatsink

Before installing the CPU, please comply with the following conditions:

1. Please make sure that the motherboard 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. If this occurs, please change the insert direction of the CPU.

3.Please add an even layer of heat sink paste between the CPU and heatsink.

4.Please make sure the heatsink is installed on the CPU prior to system use, otherwise overheating and permanent damage of the CPU may occur.

5.Please set the CPU host frequency in accordance with the processor specifications. It is not recommended that the system bus frequency be set beyond hardware specifications since it does not meet the required standards for the peripherals. If you wish to set the frequency beyond the proper specifications, please do so according to your hardware specifications including the CPU, graphics card, memory, hard drive, etc.

English

- 11 -

Hardware Installation

Image 11
Contents GA-7N400S / GA-7N400S-L Motherboard Product Manual Classification CopyrightTable of Contents Drivers Installation GA-7N400S GA-7N400S/GA-7N400S-L Motherboard LayoutBlock Diagram Page Preparing Your Computer Considerations Prior to InstallationInstallation Notices Instances of Non-WarrantyALC655 Codec Feature SummarySet System Clock Clksw Installation of the CPU and HeatsinkInstallation of the Heatsink Installation of the CPUInstallation of Memory Dual Channel DDR Installation of Expansion Cards I/O Back Panel Introduction Connectors Introduction ATX12V / ATX Power Connector FDD FDD Connector Cpufan / Sysfan Cooler Fan Power ConnectorSATA0 / SATA1 Serial ATA Connector IDE1 / IDE2 IDE ConnectorPwrled BATBatteryFpanel Front Panel Jumper Surcen Surround Center Connector Faudio Front Audio Panel ConnectorSpdifio Spdif In / Out Connector 17 IR USB1 / FUSB2 Front USB ConnectorClrcmos Clear Cmos Main Menu Status Page Setup Menu / Option Page Setup MenuMain Menu For example Bios Ver. E17 „ Save & Exit Setup „ Load Optimized Defaults„ Set Supervisor Password „ Set User PasswordTime Standard Cmos FeaturesMemory Floppy 3 Mode Support for Japan AreaDrive a / Drive B Halt onBoot Up Floppy Seek Advanced Bios FeaturesHard Disk Boot Priority First / Second / Third Boot DeviceInit Display First Password CheckAdvanced Chipset Features Serial ATA Integrated PeripheralsOn-Chip Primary PCI IDE On-Chip Secondary PCI IDESata Spread Spectrum RAID ConfigSata DMA Transfer USB Keyboard Support Uart Mode SelectUR2 Duplex Mode OnChip USBGame Port Address Parallel Port ModeECP Mode Use DMA Onboard Parallel portModemRingOn Power Management SetupResume by Alarm PME Event Wake UpAC Back Function Power On by MousePower On by Keyboard KB Power on PasswordINT PnP/PCI ConfigurationsCurrent CPU/SYSTEM FAN Speed RPM Current System/CPU TemperaturePC Health Status Current Voltage V Vcore / DDR25V / +3.3V / +12VLoad Optimized Defaults Load Fail-Safe DefaultsSet Supervisor/User Password Exit Without Saving Save & Exit SetupEnglish Install Chipset Drivers Drivers InstallationSoftware Information Software ApplicationContact Us Hardware InformationEnglish Unique Software Utilities Xpress Recovery IntroductionWhat is Xpress Recovery ? How to use the Xpress RecoveryF9 For Xpress Recovery Exit and Restart Remove Backup Image  Remove backup image. Are you sure? Y/NBefore You Begin Flash Bios Method IntroductionMethod 1 Q-FlashTMUtility Task menu for Q-Flash utility Exploring the Q-FlashTM / Dual Bios utility screenTask menu for Dual Bios utility Entering the Q-FlashTMutilitySteps Using the Q-FlashTMutilityYou can repeat to Part Two FlashTMutility bar Exploring the Q-FlashTMutility screenCongratulation!! You have updated Bios successfully Methods and steps Method 2 @BIOSTM UtilityEnglish RAID Levels Serial ATA Bios Setting Utility IntroductionEntering the RAID Bios Setup Configuring the nVIDIA RAID BiosAssigning the Disks Using the Define a New Array WindowSelecting the RAID Mode Selecting the Striping Block SizeCompleting the RAID Bios Setup Array 2 Nvidia Mirror 111.79G Installing the RAID drivers 4 2- / 4- / 6- Channel Audio Function Introduction Channel Audio SetupEnglish Basic 6 Channel Audio Setup English Basic & Advanced 6 Channel Audio Output Mode Notes Spdif Output Device Optional Device Auto-detecting Introduction of audio connectorsJack-Sensing Introduction Manual setting AMI Bios Beep Codes TroubleshootingEnglish Taiwan Headquarters Contact UsChina Shanghai