GA-MA790XT-UD4P Motherboard - 40 -
PCIE Clock (MHz)
Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to
200 MHz. Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto)
HT Link Frequency
Allows you to manually set the frequency for the HT Link between the CPU and chipset.
Auto BIOS will automatically adjust the HT Link Frequency. (Default)
200 MHz~2.6 GHz Sets HT Link Frequency to 200 MHz~2.6 GHz.
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
: Move Enter: Select +/-/PU/PD: Value F10: Save ESC: Exit F1: General Help
F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults
Item Help
Menu Level
CPU Host Clock Control [Auto]
x CPU Frequency(MHz) 200
Set Memory Clock [Auto]
x Memory Clock x6.66 1333Mhz
DDR3 Timing Items [Auto] SPD Auto
x CAS# latency Auto 7T 5T
x RAS to CAS R/W Delay Auto 7T 4T
x Row Precharge Time Auto 7T 4T
x Minimum RAS Active Time Auto 20T 12T
x 1T/2T Command Timing Auto - - - -
x TwTr Command Delay Auto 5T 2T
x Trfc0 for DIMM1 Auto 90ns 90ns
x Trfc2 for DIMM2 Auto - - - -
x Trfc1 for DIMM3 Auto - - - -
x Trfc3 for DIMM4 Auto - - - -
x Write Recovery Time Auto 10T 10T
x Precharge Time Auto 3T 3T
x Row Cycle Time Auto 11T 11T
x RAS to RAS Delay Auto 4T 4T
CPU Host Clock Control, CPU Frequency (MHz), Set Memory Clock, Memory Clock
The settings under the four items above are synchronous to those under the same items in the
MB Intelligent Tweaker(M.I.T.).
DDR3 Timing Items
Manual allows all DDRII Timing items below to be configurable.
Options are: Auto (default), Manual.
CAS# latency
Options are: Auto (default), 3T~7T.
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General
Weight and Dimensions
