IBM PS/1 User Manual

Figure 2-14. Steps to Select a Test
DID YOU RECEIVE THE CORRECT AUDIO RESPONSES?
Yes No
105
Go to Step 045 on page 2-105.
106
– Do not power off the system unit to perform this step.
– Unplug the display system I/O signal cable from the system unit.
– Refer to the following figure, and measure the display connector voltages
at the rear of the system unit, performing steps 1 through 4 sequentially.
Steps
Audio
Response
Press 0 None
Press Enter 1 Beep
Press Y None
Press Enter 1 Beep
Press 0 None
Press Enter 1 Beep
Type 24 None
Press Enter 1 Beep
Diagnostic Information
2-117

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