TroubleshootingSymptom Charts/Peripherals - 17

Peripherals

After connecting

1

Switch on external SCSI device before starting computer.

external SCSI device,

2

Check cable connections.

computer doesn’t boot

3

Verify that standard Apple terminator terminates end of SCSI

 

4

chain.

 

Verify that SCSI select switch setting on external device is

 

5

unique.

 

Verify operation of internal hard drive.

 

6

Try known-good external SCSI device.

 

7

Replace logic board.

Cursor does not move

1

Press reset switch.

when using trackball

2

Check interconnect board and logic board connections.

 

3

Replace interconnect board.

 

4

Replace logic board.

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Apple 150 manual Peripherals