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v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, “Parts listing, TD100 Types 6398, 6399, 6419, 6429, 4203, and 4206,” on page 25 to
determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Error code Description Action
178x Fixed disk error.
Note: x is the drive that has the error.
1. Run the hard disk drive diagnostic tests on drive
x (see “Running the diagnostic programs” on
page 189.
2. Reseat the hard disk drive cables.
3. Replace the hard disk drive cables.
4. Run the hard disk drive diagnostics tests on drive
x.
5. Reseat the following components, depending on
the server model:
v Hot-swap and non-hot-swap models:
a. Hard disk drive x
b. Hard disk drive x cable
c. Optional adapter cable
d. SAS/SATA backplane
v Simple-swap models:
a. Hard disk drive x
b. Hard disk drive x cable
c. Optional adapter cable
d. SATA backplate
6. Replace the following components one at a time,
depending on the server model, in the order
shown, restarting the server each time:
v Hot-swap and non-hot-swap models:
a. Hard disk drive x
b. Hard disk drive cable
c. Optional adapter cable
d. SAS/SATA backplane
v Simple-swap models:
a. Hard disk drive x
b. Hard disk drive x cable
c. Optional adapter cable
d. SATA backplate
7. (Trained service technician only) Replace the
system board.
1800 Unavailable PCI hardware interrupt.
1. Run the Configuration/Setup Utility program and
adjust the adapter settings.
2. Remove each adapter one at a time, restarting
the server each time, until the problem is isolated.
160 ThinkServer TD100 and TD100x: Hardware Maintenance Manual