Step 5. (from step 4)
Are the four disk drive modules of a particular internal string affected?
(For information about internal strings, see “Internal Connections (Model D40)”
on page 28 or “Internal Connections (Model T40)” on page 30.)
NO
a. Exchange the controller card assembly for a new one (see
“Controller Card Assembly” on page 199).
b. Go to “MAP 2410: 7133 Models D40 and T40 – Repair
Verification” on page 131 to verify the repair.
c. If the problem remains, go to Software and Microcode Errors in
the “Additional Information” appendix (in this book) for your using
system.
YES
a. Ensure that the using system is not using any of the four disk
drive modules.
b. Unplug each disk drive module by opening its handle (see step 9
on page 151 through step 15 on page 153). You do not need to
remove the modules completely.
c. Try to reconfigure each disk drive module in turn, by plugging in
one module at a time.
d. Go to step 6.
Step 6. (from step 5)
Does only one disk drive module fail to configure correctly?
NO
In the sequence shown, exchange the following FRUs for new FRUs.
Ensure that for each FRU exchange, you go to “MAP 2410: 7133
Models D40 and T40 – Repair Verification” on page 131 to verify the
repair.
a. Controller card assembly (see “Controller Card Assembly” on
b. Frame assembly (see “Frame Assembly” on page 208).
YES
a. Exchange the disk drive module for a new one (see “Disk Drive
Modules and Dummy Disk Drive Modules” on page 150).
b. Go to “MAP 2410: 7133 Models D40 and T40 – Repair
Verification” on page 131 to verify the repair.
Chapter 2. Problem Determination Procedures
89
Summary of Contents for 7133 D40
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