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Hot Issues Power Supply Jumper - 3
Power Supply Jumper
The Power Macintosh G3 Desktop logic board has a power
supply jumper, which is installed at J28. The setting of this
jumper differs between the Power Mac G3 Desktop and
Minitower. Failure to install this jumper in the correct
position may result in a computer that won’t boot up. (See
“Jumper Location J28” in the Troubleshooting chapter.)
Processor Module Jumper
The Power Macintosh G3 Desktop logic board has a processor
module jumper, which is installed at J16. The processor
jumper is color coded for the speed of processor module
used. Failure to install the correct jumper may result in a
computer that won’t boot up. (See “Jumper Location J16”
in the Troubleshooting chapter.)