IBM 5110 Series Maintenance Analysis Procedures page 120

BRING UP MAP
PAGE 22 OF 23
222
(Entry Point G)
Is there a card in K41
Y N
2
3
C
G
223
(Entry Point Q)
Now determine if read/write storage is
functioning.
Are there cards installed in M4, or N2, or
N4 (read/write storage)?
Y N
224
Bad M2 (read/write storage) card.
Bad J2 (processor) card (see MAP 050 for
jumpering).
Bad G2 (display) card (see MAP 050 for
jumpering).
Bad H2 (base I/O) card.
Bad L2 (exec ROS) card (see MAP 050 for
jumpering).
Bad F2 (Common and language ROS) card.
225
- Power down.
- Remove the cards in M4, N2, and N4 if
installed.
No more than 25 seconds after power up, the
following events should occur:
1. ABCDEFGH appears on the top line of the
5110 display.
2. ABCDEFGHJKLMNP appears on the top
line.
3. The top line is cleared and either LOADO
or CLEAR WS appears once on one and
only one line of the display.
-Power up.
(Step 225 continues)
MAP 0400-22
(Step 225 continued)
Do all three events shown above occur in
sequence after Power Up?
Y N
2
3
C
H
226
-Power down.
-Rmove M2.
-Istall he ard hat as n M4 into the M2 location.
No more than 25 seconds after power up, the
following events should occur:
1. ABCDEFGH appears on the top line of the
5110 display.
2. ABCDEFGHJKLMNP appears on the top
line.
3. The top line is cleared and either LOADO
or CLEAR WS appears once on one and
only one line of the display.
-Power up.
Do all three events shown above occur in
sequence after Power Up?
Y N
227
Bad J2 (processor) card (see MAP 050 for
jumpering).
Bad G2 (display) card (see MAP 050 for
jumpering).
Bad H2 (base I/O) card.
Bad L2 (exec ROS) card (see MAP 050 for
jumpering).
Bad F2 (Common and language ROS) card.
228
The card that was in M2 is bad.
01JAN79
EC 836600 PEC 835541
MAP 0400-22
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