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Asus P5E-V HDMI User Manual

Page 90

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4-18

Chapter 4: BIOS setup

FSB/CPU External Frequency Synchronization

Front Side Bus

CPU External Frequency

FSB 1333

333 MHz

FSB 1066

266 MHz

FSB 800

200 MHz

PCIE Frequency [Auto]

Allows you to set the PCI Express frequency.

Configuration options: [Auto] [100] [101]~[149] [150].

DRAM Frequency [Auto]

Allows you to set the DDR2 operating frequency. The configuration options may

vary, depending on the FSB Frequency you set.

Configuration options: [Auto] [DDR2-667MHz] [DDR2-800MHz] [DDR2-834MHz]

[DDR2-888MHz] [DDR2-1000MHz] [DDR2-1112MHz] [DDR2-1333MHz]

Selecting a very high DRAM frequency may cause the system to become

unstable! If this happens, revert to the default setting.

DRAM Timing Control [Auto]

Allows you to set the DRAM timing control.

Configuration options: [Auto] [Manual]

The following items appear when you set the DRAM Timing Control item to

[Manual].

DRAM CAS# Latency [ 5]

Configuration options: [3] [4] [5] [6]
DRAM RAS# to CAS# Delay [6 DRAM Clocks]

Configuration options: [3 DRAM Clocks] [4 DRAM Clocks] [5 DRAM Clocks]

[6 DRAM Clocks]
DRAM RAS# Precharge [6 DRAM Clocks]

Configuration options: [3 DRAM Clocks] [4 DRAM Clocks] [5 DRAM Clocks]

[6 DRAM Clocks]
RAS# Activate to Precharge [15 DRAM Clocks]

Configuration options: [9 DRAM Clocks] [10 DRAM Clocks]~

[14 DRAM Clocks] [15 DRAM Clocks]

Clock Over-Charging Mode [Auto]

Configuration options: [Auto] [0.70V] [0.8V] [0.90V] [1.00V]