IBM 5100 Maintenance Analysis Procedures page 80
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Also See for 5100:
- Maintenance information manual (389 pages) ,
- Maintenance information (388 pages) ,
- Apl reference manual (228 pages)
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PROCESS CHECK MAP
PAGE 6 OF 17
(Step 049 continued)
are all the Y lines.
Refer to the list 2 steps back.
All the X lines are DOWN --probe
points are all the X lines.
Refer to the list 2 steps back ..
Go to Page 5, Step 038,
Entry Point B.
050
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 B2 (expansion feature) card.
051
Defective F2 (base I/O) card.
052
Go to Page 2, Step 015, Entry Point D.
053
-Remove the H4 (APL supervisor) card if it is
installed.
Within 10 seconds after RESTART is pressed,
the following events should occur:
1. ABCDEFGH Appears on the top line of the 5
inch display.
2. ABCDEFGHI Appears on the top line.
3. The top line is blanked and either LOAD 0 or
ABCDEFGHIJK
(if
in APL) appears on the
display.
Do all three events listed above occur in
sequence after RESTART is pressed?
Y N
x y
C E X Y
1 2
MAP 0420-6
054
-Reinstall the H4 (APL supervisor) card.
-Power down.
-Remove read/write storage cards K2,
K4, L2, L4, M2, M4, N2, and N4.
-Power up. Wait 30 seconds.
Does R3LO contain AAAA?
Y N
055
Defective G2 (controller) card.
Defective J2 (display) card.
Defective F2 (base I/O) card.
Defective H2 (I/O and diag) card.
056
One of the cards removed is defective.
Reinstall them two at a time (K first,
then L, M and N) to isolate to a pair.
Then replace one of the pair to isolate
the defective card.
057
Defective H4 (APL supervisor) card.
058
Defective G2 (controller) card.
Defective F2 (base I/O) card.
059
Within 10 seconds after RESTART is pressed,
the following events should occur:
1. ABCDEFGH Appears on the top line of the 5
inch display.
2. ABCDEFGHI Appears on the top line.
3. The top line is blanked and either LOAD 0 or
CLEAR WS appears on the display.
Do all three events listed above occur in
sequence after RESTART is pressed?
Y N
1 7
1 A
Z A
28SEP76
PN 1608388
EC 829670
PEC 829523
MAP 0420-6
c
o
c
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