GA-MA770-UD3/US3 Motherboard - 38 -
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.
When you use a AM2 CPU:
DDR 400 Sets Memory Clock to DDR 400.
DDR 533 Sets Memory Clock to DDR 533. (Default)
DDR 667 Sets Memory Clock to DDR 667.
DDR 800 Sets Memory Clock to DDR 800.
When you use a AM2+ CPU:
X2.00 Sets Memory Clock to X2.00.
X2.66 Sets Memory Clock to X2.66. (Default)
X3.33 Sets Memory Clock to X3.33.
X4.00 Sets Memory Clock to X4.00.
X5.33 Sets Memory Clock to X5.33.
DCTs Mode
(Note)
Allows you to set memory control mode.
Ganged Sets memory control mode to single dual-channel.
Unganged Sets memory control mode to two single-channel. (Default)
DRAM Configuration
(Note) This item is present only if you install a CPU that supports this feature.
CMOS Setup Utility-Copyright (C) 1984-2008 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 DDR 533
DCTs Mode
(µù)
[Unganged]
DDRII Timing Items [Auto] SPD Auto
x CAS# latency Auto 5T 5T
x RAS to CAS R/W Delay Auto 4T 4T
x Row Precharge Time Auto 4T 4T
x Minimum RAS Active Time Auto 12T 12T
x 1T/2T Command Timing Auto - - - -
x TwTr Command Delay Auto 2T 2T
x Trfc0 for DIMM1 Auto 105ns 105ns
x Trfc2 for DIMM2 Auto - - - -
x Trfc1 for DIMM3 Auto - - - -
x Trfc3 for DIMM4 Auto - - - -
x Write Recovery Time Auto 4T 4T
x Precharge Time Auto 2T 2T
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