IBM PS/1 User Manual

030 (continued)
Replace the failing SIMM memory card.
031
DO YOU HAVE A 386SX OR A 486SX SYSTEM BOARD?
Yes No
032
Go to Step 035.
033
You may have a failing math coprocessor.
– Power off the system unit.
– Remove the math coprocessor. Use a Processor Removal Tool to
remove the math coprocessor. Observe ESD precautions.
– Power on the system unit.
DID THE SYMPTOM REMAIN?
Yes No
034
Replace the failing math coprocessor.
035
(From step 032)
You may have a failing indicator lamp.
– Power off the system unit.
– Unplug one indicator lamp at a time.
– Power on the system unit.
DID THE SYMPTOM REMAIN?
Yes No
036
(Step 036 continues)
Diagnostic Information 2-27

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