Settings Motherboard

SETUP H/W .3

3.HARDWARE SETUP

4)CPU External Frequency Setting (DSCKF Switches 1–4)

This option tells the clock generator what frequency to send to the CPU, SDRAM, and the chipset. This allows the selection of the CPU’s External frequency. The CPU External Frequency multiplied by the Frequency Multiple equals the CPU’s Internal frequency (the advertised CPU speed).

IMPORTANT:

1. To use this feature, JEN [see 1) JumperFree™ Mode (JEN) in 3. HARDWARE SETUP] must be set to Jumper mode or [1-2].

2.In JumperFree mode, all dip switches (DSW-1–DSW-4) must be set to OFF.

3.When JumperFree mode is enabled, use BIOS setup in place of these switches (set Operating Frequency Setting to User Define under 4.4 Advanced Menu

in BIOS Setup so you can set the CPU Frequency).

DSCKF

 

 

 

 

 

 

 

2 1

ON

2 1

ON

2 1

ON

 

3

 

3

 

3

 

 

4

 

4

 

4

 

CPU

100MHz

103MHz

105MHz

 

2 1

ON

2 1

ON

2 1

ON

A7M266

3

 

3

 

3

 

 

 

 

 

 

 

 

4

 

4

 

4

 

CPU

110MHz

115MHz

133MHz

A7M266 CPU External Frequency Selection

WARNING! Frequencies other than the recommended CPU bus frequencies are not guaranteed to be stable. Overclocking your processor is not recommended. It may result in a slower speed and premature wearing of the processor.

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ASUS A7M266 User’s Manual