Step 2 Configure CPU Speed

J16, J17, J18, and J19 are 2-pin bergs that help set the CPU speed. J21 is a 3- pin berg and J22 is an 8-pin berg that set the CPU speed, as described below. A visual display of the CPU speed jumper settings is shown below.

CPU

J16

J17

J18

J19

J21

J22

Speed

 

 

 

 

 

 

200

Shorted

OPEN

Shorted

OPEN

Short

Short Pins 1-2

MHz

 

 

 

 

Pins 1-2

Short Pins 5-6

 

 

 

 

 

 

Short Pins 7-8

233

Shorted

OPEN

Shorted

OPEN

Short

Short Pin 5-6

MHz

 

 

 

 

Pins 1-2

Short Pin 7-8

266

Shorted

OPEN

Shorted

OPEN

Short

Short Pins 1-2

MHz

 

 

 

 

Pins 1-2

Short Pin 3-4

 

 

 

 

 

 

Short Pin 7-8

300

Shorted

OPEN

Shorted

OPEN

Short

Short Pins 3-4

MHz

 

 

 

 

Pins 1-2

Short Pins 7-8

Important

Please contact American Megatrends technical support at 770-246-8645 to support a CPU running at other speeds.

Chapter 1 Hardware Installation

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American Megatrends MAN-759 manual Configure CPU Speed, J16 J17 J18 J19 J21 J22