IBM PS/1 User Manual

4
1
Figure 2-10. Hard Disk Drive Power Cable
ARE THE VOLTAGES CORRECT?
Yes No
031
Replace the power supply.
032
– Power off the system unit.
– Check all lines of the hard disk drive signal cable for continuity.
DO ALL LINES HAVE CONTINUITY?
Yes No
033
Replace the failing cable. If the symptom remains, replace the system
board.
034
Swap hard disk drives using the following procedures:
– Refer to “Hard Disk Drive Jumper Settings” on page 4-2 to change the
secondary drive to the primary drive.
– Reconnect the hard disk drives to the system unit.
– Power on the system unit.
(Step 034 continues)
Diagnostic Information 2-85

IBM PS/1 Specifications

General

Processor	Intel 80286 or 80386
Processor Speed	10 MHz (80286)
RAM	1 MB (expandable to 2 MB or more)
Storage	40 MB hard drive
Floppy Drive	3.5" 1.44 MB
Graphics	VGA
Ports	Serial, Parallel, Mouse