IBM 5280 Manual page 161

S
6
DISKETTE MAP
DISKETTE BASE SWAP
PAGE 7 OF 12
053
Is there a diskette drive
installed in the IBM 5281 or 5282
that is a '51TD'?
Y N
054
(ENTRY POINT C)
Power Off the controller.
Measure for ground between
A3B05 '- Write Trigger' and
A3D08 'Ground' on the Data
Station Driver/Receiver card
(IBM 5281 or 5282 MIM 325).
NOTE: Leave the meter connected
to these points until you are
told to remove it.
Does the meter read 20 ohms or
more?
Y N
9 8
055
Remove J48 from the Diskette
Driver/Receiver card (A-Dl)
(MIM 319).
Does the meter read 20 ohms or
more?
Y N
056
Remove the Diskette I/O
Interface cable from Jlll
(MIM 319).
Does the meter read 20 ohms
or more?
Y N
T U V W X
V W X
MAP 2010-7
057
Remove the Diskette I/O
Interface cable from JIll on
the Data Station (IBM 5281
or 5282 MIM 325).
Does the meter read 20 ohms or
more?
Y N
058
- Remove Pli from the Data
Station Driver/Receiver
card (ISM 5281 or 5282 MIM
325) •
Does the meter read 20 ohms
or more?
Y N
059
- Defective Data Station
Driver/Receiver card
(IBM 5281 or 5282 MIM
211).
060
- Defective cable between
JIll and the Data Station
Driver/Receiver card (IBM
5281 or 5282 MIM 325).
061
Defective Diskette liD
Interface cable, advise the
Customer.
062
063
Defective cable between JIll
and the Diskette Driver/Card'
(MIM 319).
Defective Diskette
Driv~r/Receiver card (A-Dl).
EC840874
MAP 2010-7