Asus P1-AH1 User Manual download pdf (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]

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Asus P1-AH1 User Manual Page 74