Memory Module Removal - IBM 3270 Maintenance Manual

Memory Module Removal (64/256KB
Expansion Option)
1. Set the Power switch on the system unit (and
expansion unit, if attached) to Off.
2. Set the Power switches on all attached
devices to Off.
3. Unplug the power cords of the system unit
(and expansion unit) from the outlet.
4.
Disconnect all cables from the rear of the
system unit.
5. Remove the cover of the system unit (5-100-2).
6.
Remove the
64/256KB
Memory Option
Adapter (5-20-3).
7. Locate the module to be removed in bank 0, 1,
2, or 3. (If you are not sure of the module to
remove, go to PIC
3-200-1,
"Memory," and
determine which module is failing.)
Note: If the module to be replaced is on the
system board, see "Memory Module Removal"
(5-200-2).
.. .. 0
.... 1
Top
B B G! B B G 0 0 8 88 Bl
0
.• ----- - -------,11
Frat
8 0 8: B 8 0 8 0 8 8 8
BI
0
:---------------1
0
B 8 0i B B B B 8 B B 8 B!
I
1
..... 2
5-200-6
Maintenance Information