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IBM PCjr Hardware Maintenance And Service

IBM PCjr
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1.
Note
the
number
that
replaced
the
Its
format
is
"XXYY
XX
2.
Compare
the
number
you
noted
with
the
numbers
in
the
MESSAGE
column
of
the
chart
below.
Message
Recommended
Action
XXOO
XX Replace
the
64KB memory
and
display
expansion.
XXOl
XX
Replace
the
system
board.
"X"
can
be
any
number.
Do
the
recommended
action
for
your
noted
number.
Then
repeat
advanced
POST
and
the
advanced
tests
to
ensure
that
the
IBM
PCyr
is
operating
correctly.
3-200-4
Memory

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IBM PCjr Specifications

General IconGeneral
BrandIBM
ModelPCjr
CategoryDesktop
LanguageEnglish

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