IBM 5280 Technical Newsletter page 45

505
LOGIC BOARD AND LOGIC CARD PART NUMBERS (continued)
Location
Part No.
Part No.
Part No. Part No.
Part No. Part No.
Part No.
Size
Name
E.C. Level
E.C. Level
E.C. Level E.C. Level
E.C. Level
E.C. Level
E.C. Level,
A-A1
Keyboard/
6043427
8-Wide
Display MPU
Katakana
W/3270
Emulation*
1--------- -----
r-.--- - -
------
-- ----
------
r------
-------
RDS Patch for
Keyboard/
Display
Katakana
MPU W/3270
Emulation
A-B1
Buffer Timer
1618152
2·Wide
837086A
A-B1 Elapsed Time
1618152
2-Wide
Counter*
837086
A-B1 1 MSR and
7364620
2-Wide
Elapsed Time
840869
Counte-r*
A-B1
4MSR and
4177924
4177926
4-Wide
Elapsed Time 10-28996
839709
Counter*
A-B5 16K
4177563
4177564
1618110
2-Wide
Additional
10-28936
838415 839732
Main Storage *
A-B5
32K
4177561
4177562
1618108
2-Wide
Additional 10-28936
838399 839730
Main Storage *
A·B5 64K
7364320
2·Wide
Additional
840815A
Main Storage*
* Feature
505
Logic and Cards 83