NEC POWERMATE V Service Manual page 178

Processor/Bus Speed
75-MHz Processor/
50-MHz Bus Speed
90-MHz Processor/
60-MHz Bus Speed
100-MHz Processor/
66-MHz Bus Speed
120-MHz Processor/
60-MHz Bus Speed
133-MHz Processor/
66-MHz Bus Speed
VRE (3.38 V)
VR (3.52V)
Figure B-2 Processor Settings with One BF Jumper
System Board Jumpers
ATCLK
90 100 75
MHz MHz MHz BF
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
B-3