IBM 5100 Maintenance Analysis Procedures

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PROCESS CHECK MAP
PAGE 5 OF 17
038
(Entry Point B)
-Switch the RUN switch under the covers to not
run.
-Remove the
82 (expansion feature) card if there
is one.
Did any of the probe points change?
Y N
039
-Remove the A2 (I/O cable driver) if there is
one.
Did any of the probe points change?
Y N
040
-Remove the E2 (ROS adapter) card.
Did any of the probe points change?
Y N
041
-Reinstall A2, 82, and E2 .
Defective
F2 (base I/O) card.
042
-Reinstall A2 and 82 .
Defective
E2 (ROS adapter) card.
043
-Reinstall 82 .
Defective
A2 (I/O cable driver) card and cable
assembly.
044
Defective 82 (expansion feature) card.
J S T
244
MAP 0420-5
045
Defective H2 (I/O and diag) card.
Defective
E2 (ROS adapter) card.
Defective
F2 (base I/O) card.
And
if installed
Defective
A2 (I/O cable driver) card and
cable assembly.
Defective
82 (expansion feature) card.
046
Defective F2 (base I/O) card.
047
(Entry Point E)
-Probe the device address lines below and record
the results.
X-LINES
F2-B07
F2-D02
F2-D07
F2-D09
V-LINES
F2-B09
F2-Bl0
F2-DlO
F2-Dll.
Are both lights off for any of the probe
points?
Y N
048
Are one X line and one Y line UP and all
the others DOWN?
Y N
6 6
049
Determine probe points for the next several
steps by reading
down the left to the first
true statement.
Two or more Y lines are UP --probe points
are any
two Y lines that are UP.
Refer to the list 2 steps back.
Two or more X lines are UP --probe points
are any
two X lines that are UP.
Refer to the list 2 steps back.
All the Y lines are
DOWN --probe points
(Step
049 continues)
28SEP76
PN 1608388
EC 829670 PEC 829523
V W MAP 0420-5

IBM 5100 Specifications

General

Brand	IBM
Model	5100
Category	Laptop
Language	English