1-96 Trouble locating and clearing procedures (continued)
297-8021-544 Standard 14.02 May 2001
Replacing an 8-in. or a 5.25-in. disk drive unit
(continued)
Replacing an 8-in. or a 5.25-in. disk drive unit
At the MAP terminal
1
Obtain the following items:
•
replacement DDU
•
flat-bladed screwdriver with 1/4-in. (3-mm) blade
•
5/16-in. (7-mm) Allen wrench
2
Obtain a strong shipping carton for the DDU you will replace. If possible, use
the carton of the new DDU.
To access the IOD level of the MAP display, type
>MAPCI;MTC;IOD
and press Enter.
Example of a MAP display:
3
To post the IOC for the replaced DDU, type
>IOC ioc_no
and press Enter.
where
ioc_no
is the number of the input/output controller (IOC) that holds the
controller card for the DDU (0 to 9)
Example of a MAP display:
4
To post the controller card for the DDU, type
>CARD card_no
and press Enter.
CAUTION
Loss of service
Disk allocation is difficult and dangerous errors are a
possibility. Contact the next level of support before you
perform this procedure.
IOD
IOC
0
1
STAT
L
.
IOC CARD
0
1
2
3
4
5
6
7
8
2
PORT
0123 0123 0123 0123 0123 0123 0123 0123 0123
STAT
.... .... –––– .––– –––– P––– –––– .––– .–––
TYPE
CONS CONS
MPC
MPC
MPC
DDU