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IBM PCjr Hardware Maintenance And Service

IBM PCjr
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1.
Set
the
system
unit's
Power
switch to Off.
2.
Remove
the
64BCB
memory
and
display expansion.
3.
Perform
advanced
POST.
DID
THE
IBM
LOGO
SHOWN
DURING
ADVANCED
POST
LOOK
CORRECT
AND
STABLE?
YES
The
64KB
memory
and
display
expansion
is
bad.
Replace
it.
Repeat
advanced
POST
and
the
advanced
tests
to
ensure
that
the
IBM
VCjr
is
operating
correctly.
NO
Reattach
the
64KB
memory
and
display
expansion.
Continue
to
the
next
page.
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IBM PCjr Specifications

General IconGeneral
BrandIBM
ModelPCjr
CategoryDesktop
LanguageEnglish

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