Asus AP140R-E1 User Manual download pdf (Page 71)

ASUS AP140R-E1 1U barebone server

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The items CAS Latency Time, Active to Precharge Delay, DRAM RAS#

to CAS# Delay, and DRAM RAS# Precharge are configurable only

when the Memory Timing Selectable item is set to [Manual].

DRAM Frequency [Auto]

Allows you to select the DRAM operating frequency.

Configuration options

(for CPUs with 533MHz FSB)

[DDR266] [DDR333] [Auto]

Configuration options

(for CPUs with 800MHz FSB)

[DDR266] [DDR333] [DDR400] [Auto]

Memory Timing Selectable [By SPD]

The DRAM clock are set according to the DRAM SPD (Serial Presence

Detect). Select [By SPD] for automatic DRAM clock detection. Select

[Manual] to allow setting the succeeding memory items to optimal timings.

Configuration options: [Manual] [By SPD]

CAS Latency Time [2.5]

This item sets the latency (in clocks) between the DRAM read command

and the time the data actually becomes available. Configuration options:

[2] [2.5] [3]

Active to Precharge Delay [7]

This item controls the number of DRAM clocks used for DRAM

parameters. Configuration options: [8] [7] [6] [5]

DRAM RAS# to CAS# Delay [3]

Controls the latency between the DRAM active command and the read/

write command. Configuration options: [4] [3] [2]

DRAM RAS# Precharge [3]

This item controls the idle clocks after issuing a precharge command to

the DDR SDRAM. Configuration options: [4] [3] [2]

Memory Parity Check [Enabled]

Allows memory parity checking option. This item shows Enabled if you

installed ECC DDR DIMMs, and shows Disabled if you installed non-ECC

DDR DIMMs.

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Asus AP140R-E1 User Manual Page 71