IBM PS/1 User Manual

050 (continued)
DID YOU RECEIVE AN XXXXXX XXXX 201, 203, OR 221 POST ERROR?
Yes No
051
– Power off the system unit.
– Remove the SIMM from bank 0 and install the SIMM removed in
Step 050 on page 2-44 in bank 0.
– Power on the system unit.
DID YOU RECEIVE AN XXXXXX XXXX 201, 203, OR 221 POST
ERROR?
Yes No
052
Run the system memory test several times to verify the failure
symptom no longer exists.
053
– Power off the system unit.
– Remove the SIMM from bank 0 and install it in bank 1.
– Power on the system unit.
DID YOU RECEIVE AN XXXXXX XXXX 201, 203, OR 221 POST
ERROR?
Yes No
054
– Power off the system unit.
– Install a known good SIMM in bank 0.
– Power on the system unit.
(Step 054 continues)
Diagnostic Information 2-45

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