- 37 - BIOS Setup
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
SLI-Ready Memory [Disabled]
Set Memory Clock [Auto]
x Memory Clock X3.33 667Mhz
DDRII Timing Items [Auto] SPD Auto
x CAS# latency Auto 5T 5T
x RAS to CAS R/W Delay Auto 5T 5T
x Row Precharge Time Auto 5T 5T
x Minimum RAS Active Time Auto 15T 15T
x 1T/2T Command Timing Auto - - - -
x TwTr Command Delay Auto 3T 3T
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 6T 6T
x Precharge Time Auto 3T 3T
x Row Cycle Time Auto 21T 21T
x RAS to RAS Delay Auto 3T 3T
SLI-Ready Memory
Allows you to enable or disable the SLI-Ready (EPP) memory function. (Default: Disabled)
Set Memory Clock
Determines whether to manually set the memory clock. Auto lets BIOS automatically set the
memory clock as required. Manual allows all clock control items 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 AM3/AM2+ CPU:
X2.00 Sets Memory Clock to X2.00.
X2.66 Sets Memory Clock to X2.66.
X3.33 Sets Memory Clock to X3.33.
X4.00 Sets Memory Clock to X4.00.
X5.33 Sets Memory Clock to X5.33.
When you use a AM2 CPU:
DDR 400 Sets Memory Clock to DDR 400.
DDR 533 Sets Memory Clock to DDR 533.
DDR 667 Sets Memory Clock to DDR 667.
DDR 800 Sets Memory Clock to DDR 800.
DDRII Timing Items
Manual allows all DDR2 Timing items below to be configurable.
Options are: Auto (default), Manual.
CAS# latency
Options are: Auto (default), 3T~6T.
RAS to CAS R/W Delay
Options are: Auto (default), 3T~6T.
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