beautypg.com

Pcie frequency [auto, Dram frequency [auto, Dram timing control [auto – Asus Blitz Extreme User Manual

Page 92

background image

4-18

Chapter 4: BIOS setup

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 DDR3 operating frequency.

Configuration options: [Auto] [DDR3-800MHz] [DDR3-889 MHz] [DDR3-1067MHz]

A very high DRAM frequency may cause the system to become unstable! If this

happens, revert to the default setting.

DRAM Timing Control [Auto]

Configuration options: [Auto] [

Manual

]

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

[Manual].

CAS# Latency [ 6]

Configuration options: [5] [6] [7] [8] [9] [10]
RAS# to CAS# Delay [ 5 DRAM Clocks]

Configuration options: [3 DRAM Clocks] [4 DRAM Clocks]~[9 DRAM Clocks]

[10 DRAM Clocks]

FSB/CPU External Frequency Synchronization

Front Side Bus

CPU External Frequency

FSB 1333

333 MHz

FSB 1066

266 MHz

FSB 800

200 MHz

Refer to page 2-3 for FSB frequency LED definition.

FSB Frequency [266]

Displays the frequency sent by the clock generator to the system bus and PCI bus.

The value of this item is auto-detected by the BIOS. Use the <+> and <-> keys to

adjust the FSB frequency. You can also type the desired CPU frequency using the

numeric keypad. The values range from 200 to 800. Refer to the table below for

the correct Front Side Bus and CPU External Frequency settings.

The following two items only appear when you set the Ai Overclocking item to

[Manual].

Ratio CMOS Setting [7]

Configuration options: [6] [7]