HP Vectra VEi8 Technical Reference Manual page 18

2 System Features
Processor
Frequency Jumpers
Some VEi 8 models have a jumper block on the mother board to set
processor frequency. You only need to install a new jumper on the
jumper block if a new processor is supplied with one.
Processor Frequency jumper (only required
for some processors). To install the
jumper, simply place it over the jumper
block. It can only go on one way.
If the Processor
The computer may execute erratically, if at all, or may overheat, if it is
Frequency is Set configured to operate at a higher processor speed than the processor is
capable of supporting. This can cause damage to the computer.
Wrongly
Setting the jumpers to operate at a slower speed than the processor is
capable of supporting, can still cause erratic behavior in some cases,
and would reduce the instruction throughput in others.
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