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Troubleshooting Symptom Charts/Peripherals - 17
Peripherals
After connecting
external SCSI device,
computer doesn’t boot
1 Switch on external SCSI device before starting computer.
2 Check cable connections.
3 Verify that standard Apple terminator terminates end of SCSI
chain.
4 Verify that SCSI select switch setting on external device is
unique.
5 Verify operation of internal hard drive.
6 Try known-good external SCSI device.
7 Replace logic board.
Cursor does not move
when using trackball
1 Press reset switch.
2 Check interconnect board and logic board connections.
3 Replace interconnect board.
4 Replace logic board.