CPU voltage jumper settings

*Default setting depends on installed processor

Cache jumper settings

Cache configuration

JP41

JP42

JP43

JP46

JP47 JP48

 

 

 

 

 

 

128KB (32K x 8 SRAMs in

 

2-3

 

 

 

Bank 0)

 

 

 

 

 

 

 

 

 

 

 

256KB (32K x 8 SRAMs in

 

 

2-3

On

 

Banks 0 & 1)

 

 

 

 

 

 

 

 

 

 

 

512KB (64K x 8 SRAMs in

 

 

2-3

On

On

Banks 0 & 1)

 

 

 

 

 

 

 

 

 

 

 

512KB (128K x 8 SRAMs in

 

2-3

2-3

On

On

Bank 0)

 

 

 

 

 

 

 

 

 

 

 

CPU clock jumper settings

CPU clock speed

JP6 *

 

 

25 MHz

1-2

 

 

 

33

MHz

1-2, 3-4, 5-6

 

 

 

40

MHz

1-2, 3-4

 

 

50 MHz

5-6

 

 

 

*Default setting depends on installed processor

Installing and Removing Options

4-11