Technical data

4–9
Compaq HSZ80 Array Controller ACS Version 8.3 Maintenance and Service Guide
Nonmirrored cache;
controller reports
failed DIMM in cache
module A or B.
Improperly installed
DIMM.
Remove cache module
and ensure that DIMM is
fully seated in its slot.
Reseat DIMM.
Failed DIMM. If the foregoing check
fails to produce a
remedy, check for OCP
LED codes.
Replace DIMM.
Mirrored cache;
“this controller”
reports DIMM 1 or 2
failed in cache module
A or B.
Improperly installed
DIMM in “this
controller’s” cache
module.
Remove cache module
and ensure that DIMMs
are installed properly.
Reseat DIMM.
Failed DIMM in “this
controller’s” cache
module.
If the foregoing check
fails to produce a
remedy, check for OCP
LED codes.
Replace DIMM in “this
controller’s” cache
module.
Mirrored cache;
“this
controller”reports
DIMM 3 or 4 failed in
cache module A or B.
Improperly installed
DIMM in “other
controller’s” cache
module.
Remove cache module
and ensure that DIMMs
are installed properly.
Reseat DIMM.
Failed DIMM in “other
controller’s” cache
module.
If the foregoing check
fails to produce a
remedy, check for OCP
LED codes.
Replace DIMM in “other
controller’s” cache
module.
Mirrored cache;
controller reports
battery not present.
Memory module was
installed before it was
connected to an ECB.
ECB cable not connected
to cache module.
Connect ECB cable to
cache module, then
restart both controllers
by pushing their reset
buttons simultaneously.
Table 4–1 Troubleshooting Table (Continued)
Symptom Possible Cause Investigation Remedy