NEC POWERMATE PRO150, Руководство пользователя

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5-6
Installing and Configuring System Board Options
CPU / Bus Speed / Clock Ratio Jumpers
These jumpers set the CPU, PCI, and ISA bus frequencies and the clock
ratio. The jumpers should be changed only when you upgrade the CPU.
For 166 MHz CPU
A B C
DOWN
G H I
UP
D E F
Bus frequency = 66.48 MHz
Clock ratio = 5/2
PCI frequency = 33 MHz
ISA frequency = 8.31 MHz
For 150 MHz CPU
A B
C
DOWN
G
H
I
UP
D E F
Bus frequency = 60.14 MHz
Clock ratio = 5/2
PCI frequency = 30 MHz
ISA frequency = 7.51 MHz
Factory Configuration Jumpers
These are factory-installed jumpers. Do not change them from the factory
setting.
A B C
DOWN
G H I
UP
D E F