Apple 7200/90 Manuale Utente

Pagina di 158
 
 Troubleshooting
Symptom Charts/Peripherals - 18
 
Drive does not appear 
on the desktop
1 Verify there are no duplicate SCSI device addresses.
2 Update SCSI device driver using Drive Setup. Check drive’s 
directory structure using Disk First Aid.
3 Replace SCSI hard drive cable.
4 If drive is not initialized, use Drive Setup to initialize. 
5 Replace with known-good hard drive. 
6 If hard drive still doesn't work, switch back to original hard 
drive and replace logic board.
Works with internal 
or external SCSI 
devices but not with 
both
1 Verify there are no duplicate SCSI device addresses.
2 Replace terminator on external SCSI device.
3 Verify that SCSI device at end of internal SCSI data cable is 
only device terminated. 
4 Refer to appropriate manual to troubleshoot defective 
external device.