Apple 500 Benutzerhandbuch

 

 Troubleshooting

Symptom Charts/Hard Drive - 11

 

Internal or external 

hard drive does not 

operate

1 Verify that SCSI loopback card is not attached.

2 Verify that external drive is properly terminated.

3 Replace hard drive.

4 Replace logic board. Retain customer’s SIMMs.

5 Replace hard drive.

Works with internal 

or external SCSI 

device but does not 

work with both

1 Verify that SCSI device ID switch setting on external device 

is higher than 0. Also verify that ID switch setting on 

external SCSI device does not duplicate ID switch settings on 

any other attached external SCSI devices.

2 Replace terminator on external SCSI device.

3 Replace SCSI select cable.