Asus P1-AH1 - Manual (Page 74)

5-14 Chapter 5: BIOS setup
DRAM Configuration
Timing Mode [Auto]
x Memclock index value (Mhz) 166Mhz
x CAS# latency (Tcl) 2.5
x Min RAS# active time (Tras) 7T
x RAS# to CAS# delay (Trcd) 3T
x Row precharge Time (Trp) 3T
x 1T/2T Memory Timing 2T
S/W DRAM Over 4G Remapping [Enabled]
Select Menu
Item Specific Help
DRAM Configuration
<Enter> to select DRAM
configuration. By
[Auto] is
recommended.
[Manual] allows you
to set each
configuration on
your own.
Timing Mode [Auto]
Allows selection of DRAM configuration.
Configuration options: [Auto] [Manual]
The following items become user-configurable when you set the Timing
Mode item to [Manual].
Memclock index value (Mhz) [166Mhz]
Allows you to set the DRAM frequency.
Configuration options: [100Mhz] [133Mhz] [166Mhz] [200Mhz]
CAS# latency (Tcl) [2.5]
Allows you to set the latency between the DRAM command and the time
the data actually become available. Configuration options: [2] [2.5] [3]
Min RAS# active time (Tras) [7T]
Controls the number of DRAM clocks used for DRAM parameters.
Configuration options: [5T] ~ [15T]
RAS# to CAS# delay (Trcd) [3T]
Controls the latency between the DRAM active command and the R/W
command. Configuration options: [2T] ~ [7T]
Row precharge Time (Trp) [3T]
Controls the idle clocks after issuing a precharge command to the DRAM.
Configuration options: [2T] ~ [7T]