IBM 5150 Hardware Maintenance Manual page 25

1. Position the System Unit Power switch to Off.
2. Check the following:
• The necessary power cords are installed
• The input and output devices are powered on.
• The Advanced Diagnostic Diskette is inserted in
Diskette Drive "A" or the Advanced Diagnostics
cassette is in the cassette player.
3. Position the System Unit Power switch to On.
ARE YOU LOADING YOUR DIAGNOSTICS FROM A
CASSETTE?
NO
Continue on page 010-10.
YES
010-8