Gigabyte GA-MA74GMT-S2 Manual - Page 37

CPU Host Clock Control Enables or disables the control of CPU host clock. Auto (default) allows the BIOS to automatically adjust the CPU host frequency. Manual allows the CPU Frequency (MHz) item below to be configurable. Note: If your system fails to boot after overclocking, please wait for 20 seconds to allow for automated system reboot, or clear the CMOS values to reset the board to default values. CPU Frequency(MHz) Allows you to manually set the CPU host frequency. The adjustable range is from 200 MHz to 500 MHz. Important It is highly recommended that the CPU frequency be set in accordance with the CPU specifications. PCIE Clock(MHz) Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to 150 MHz. Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto) VGA Core Clock(MHz) Allows you to manually set the VGA Core clock. The adjustable range is from 200 MHz to 600 MHz. Set Memory Clock Determines whether to manually set the memory clock. Auto lets BIOS automatically set the memory clock as required. Manual allows the memory clock control item below to be configurable. (Default: Auto) Memory Clock This option is configurable only when Set Memory Clock is set to Manual. X4.00 Sets Memory Clock to X4.00. X5.33 Sets Memory Clock to X5.33. X6.66 Sets Memory Clock to X6.66. X8.00 Sets Memory Clock to X8.00 DRAM Configuration CMOS Setup Utility-Copyright (C) 1984-2009 Award Software DRAM Configuration DCTs Mode (Note) DDR3 Timing Items x CAS# latency x RAS to CAS R/W Delay x Row Precharge Time x Minimum RAS Active Time x 1T/2T Command Timing x TwTr Command Delay x Trfc0 for DIMM1 x Trfc2 for DIMM2 x Write Recovery Time x Precharge Time x Row Cycle Time x RAS to RAS Delay CKE Power Down Mode [Unganged] [Auto] SPD Auto 9T Auto 9T Auto 9T Auto 24T Auto -- Auto 5T Auto -- Auto -- Auto 10T Auto 5T Auto 33T Auto 4T [Disabled] Auto 9T 9T 9T 24T -5T --10T 5T 33T 4T Item Help Menu Level  Move Enter: Select F5: Previous Values +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults (Note) This item appears only if you install a CPU that supports this feature. - 37 - BIOS Setup