Epson Epson - Manual (Page 74)

CPU voltage jumper settings
* 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 8 SRAMs 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