IBM PS/1 User Manual

MAP 0200 (continued)
033 (continued)
Replace the system board and go to Step 035.
034
(From step 027)
– Run the memory test.
– Replace the SIMMs in the bank (sockets) displayed.
– If the symptom remains, swap SIMMs one at a time with a known good
SIMM card until the symptom goes away. Replace the failing SIMM and
return to Step 035.
035
(From steps 029, 033, and 034)
DOES YOUR SYSTEM BOARD CONTAIN EIGHT SIMMS?
Yes No
036
Run the system memory test several times to verify the failure
symptom no longer exists.
037
(From steps 038 and 041)
– Power off the system unit.
– Remove the four SIMMs from bank 1 and install the four SIMMs you
removed at the beginning of this MAP in bank 0.
– Power on the system unit.
DID YOU RECEIVE AN XXXXXX XXXX 201, 203, OR 221 POST ERROR?
Yes No
038
– Power off the system unit.
– Install the four SIMMs removed in Step 037 in bank 1.
– Power on the system unit.
(Step 038 continues)
2-42

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