Display adapter and CPU jumper settings

Jumper

Setting

Function

 

 

 

J3

A*

Enable the built-in VGA adapter

 

B

Disable the built-in VGA adapter so

 

 

you can use a display adapter on an

 

 

option card as your primary adapter

 

 

 

J4

A**

Select DX or DX2 CPU

 

B

Select SX CPU

 

 

 

* Factory setting

** Factory set according to system CPU

External cache jumper settings

*Factory setting; change jumpers only if external cache chips are installed by servicer

DIP switch settings

Switch

Setting

Function

 

 

 

 

 

1 **

O

N

33

MHz CPU speed

 

O F F

25

MHz CPU speed

 

 

 

 

 

2**

O

N

25

MHz CPU speed

 

O F F

33

MHz CPU speed

 

 

 

 

3 **

O

N

CPU present in PGA socket

 

O F F

CPU absent from PGAsocket

 

 

 

4

O N *

Enable’password security feature

 

O F F

Disable password security feature

 

 

 

5

O N *

Select color monitor

 

O F F

Select monochrome monitor

 

 

 

 

* Factory

setting

** Factory set according to system type

Installing and Removing Options 4 - 7