IBM PCjr Hardware Maintenance And Service page 25

• You hear one beep.
• If attached, the diskette drive's red light switches on
for a few seconds and then switches off.
When advanced POST completes without detecting a
failure, the BASIC screen appears.
The IBM Personal Computer Basic
Version C1.20 Copyright IBM Corp.1981
XXXXX Bytes free
OK
2EIIEH 3[Bnjl4B531i
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