IBM 5100 Maintenance Analysis Procedures page 65

(
(
(
A
E
6
072
-Power down.
BRING UP MAP
PAGE 7 OF 15
-Exchange the pair of cards in K with the pair of
cards in L.
-Power up. Wait 30 seconds.
Is the machine at checkpoint H?
Y N
073
Defective J2 (display) card.
Defective G2 (controller) card.
Defective H2 (I/O and diag) card.
074
-Power down.
-Exchange K4 and L4.
-Power up. Wait 30 seconds.
Is the machine at checkpoint H?
Y N
075
Defective read/write storage card is now at
K4.
076
-Switch the DISPLAY REGISTERS switch to
DISPLAY REGISTERS.
Is RFLO between 0000 and 3FFF inclusive?
Y N
077
Defective read/write storage card is now at
L2.
078
Defective read/write storage card is now at K4.
A
C
6
MAP 0400-7
079
Is the recorded RFLO between 0000 and 3FFF
inclusive?
Y
1\1
080
Is the recorded RFLO between 4000 and
BFFF inclusive?
Y N
081
-Power down.
-Exchange the pair of cards in N with the
pair of cards in L.
-Power up. Wait 30 seconds.
Is the machine at checkpoint H?
Y N
082
Defective J2 (display) card.
Defective G2 (controller) card.
Defective F2 (base I/O) card.
Defective H2 (I/O and diag) card.
083
(Entry Point HI
-Switch the DISPLAY REGISTERS switch
to DISPLAY REGISTERS.
-Record RFLO.
-Switch the DISPLAY REGISTERS switch
to NORMAL.
Is RFLO between 4000 and BFFF
inclusive?
Y N
084
Defective J2 (display) card.
Defective G2 (controller) card.
Defective H2 (I/O and diag) card.
09DEC75 PN 1608387
988
A A A
F G H
EC 829523 PEC 828851
MAP 0400-7