Motorola 660AV - Manual (Page 28)

Troubleshooting Symptom Charts/Hard Drive - 10
Hard Drive
Internal hard drive
will not operate;
drive doesn’t spin
1 Replace SCSI data cable.
2 Replace hard drive.
3 Replace power supply.
4 Replace logic board. Retain customer’s SIMMs.
Drive does not appear
on the desktop
1 Verify that there are no duplicate SCSI device addresses.
2 Clear parameter RAM. Hold down <Command> <Option> <P>
<R> during startup but before “Welcome To Macintosh”
appears.
3 Verify that drive is initialized. If it isn’t, use “HD SC Setup”
to initialize drive.
4 Replace SCSI data cable.
5 Replace hard drive.