Apple WS 9650 manual

	Troubleshooting		Symptom Charts/Hard Drive - 19
		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		1	Verify there are no duplicate SCSI device addresses on a
or external SCSI			single SCSI bus. (Refer to Basics chapter for detailed
devices but not with		2	explanation of SCSI IDs used in WS 9650.)
both			Replace terminator on external SCSI device.
		3	Verify that SCSI device at end of internal SCSI data cable is
			only device terminated. In PM 8600 or 9600, last connector
			on Fast SCSI-2 cable attaches to rear internal hard drive,
			which is terminated. In WS 9650, Fast SCSI-2 cable should
			have terminator on last connector or last connector should be
			attached to terminated hard drive. On Ultra Wide SCSI-3 bus

in WS 9650, internal rear drive is terminated and SCSI PCI card is auto-terminated. No other devices on the bus should be terminated. (Refer to Basics chapter for detailed