QPC584 Mass Storage Interface Card
Use this procedure to replace a mass storage interface (MSI) card. See the
X11 Administration (553-3001-311) for a description of all maintenance
commands, and the X11 System Messages Guide (553-3001-411) for
interpreting system messages.
Module covers are not hinged; do not let go of the cover. Lift the cover
away from the module and set it out of your work area.
Removing equipment
1
Save the current data configuration to the disk drive unit:
LD 43
EDD
****
2
Disable the MSI card:
a
The associated CPU must be inactive. If you need to switch CPUs:
LD 35
SCPU
****
b
Software disable the MSI card:
LD 37
DIS MSI 0
****
c
Set the ENB/DIS switch to DIS on the faceplate of the MSI card.
To avoid interrupting service, set ENB/DIS switches to DIS before
disconnecting or connecting cables.
Replacing equipment
WARNING
execute datadump
exit LD 43
CAUTION
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Hardware replacement