2.7Switches and jumpersMotherboard Frequency Settings (DIP Switches)

The motherboard frequency is adjusted through the DIP switches. The white block represents the switch’s position. The illustration below shows all the switches in the OFF position.

SYSCLK

ON

4 3 2 1

OFF ON

A7V266-M

A7V266-M DIP Switch

1.Frequency Selection 2.Frequency Selection 3.Frequency Selection 4.Frequency Selection

IMPORTANT! To use the DSW switches to make changes to speed seettings, the JEN jumper must be reset to pins 1-2 (jumper mode). Otherwise, setting the DSW switches does not produce any effect.

1) JumperFree™ Mode (JEN)

This jumper enables or disables the JumperFree™ mode. The JumperFree™ mode supports processor settings to be made through the BIOS setup.

 

 

JEN

 

 

 

SYSCLK

 

 

 

ON 1

 

 

 

2

 

 

 

3

 

 

 

4

 

 

OFF ON

1

2

2

3

Jumper Mode

Jumper Free

A7V266-M

 

(Default)

A7V266-M Jumper Mode Setting

 

 

 

 

NOTE! The JEN jumper is set in conjunction with the DIP switches. In JumperFree™ mode, set all DIP switches (DIP_SW) to OFF.

ASUS A7V266-M motherboard user guide

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