User`s guide

CPU voltage jumper settings
CPU voltage JP1 (on voltage regulator) *
3.3V 1-2
1 3.45v 1 3-4
Remove voltage regulator and
jumper all pins in socket
* Default setting depends on installed processor
Cache jumper settings
Cache configuration
128KB (32K x 8 SRAMs in
Bank 0)
256KB (32K x 8 SRAMs in
Banks 0&1)
512KB (64K x 8 SRAMs in
Banks 0&1)
512KB (128K x 8SRAMs in
Bank 0)
CPU clock jumper settings
JP41 JP42 JP43 JP46 JP47 JP48
2-3
2-3 On
2-3 On On
2-3 2-3 On On
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