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Beep code descriptions
The following table describes the beep codes and suggested actions to correct the
detected problems.
A single problem might cause more than one error message. When this occurs,
correct the cause of the first error message. The other error messages usually will
not occur the next time POST runs.
Exception: If there are multiple error codes or light path diagnostics LEDs that
indicate a microprocessor error, the error might be in a microprocessor or in a
microprocessor socket. See "Microprocessor problems" on page 30 for information
about diagnosing microprocessor problems.
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, Type 7981," on page 53 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.
Beep code
1-1-2
1-1-3
1-1-4
1-2-1
10
BladeCenter HS20 Type 7981: Problem Determination and Service Guide
Description
Microprocessor register test failed
CMOS write/read test failed.
BIOS ROM checksum failed.
Programmable interval timer failed.
Action
1. Reseat the following components:
a. (Trained service technician only)
Microprocessor 2
b. (Trained service technician only)
Microprocessor 1
2. Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a. (Trained service technician only)
Microprocessor 2
b. (Trained service technician only)
Microprocessor 1
c. (Trained service technician only) System
board assembly
1. Reseat the battery
2. Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a. Battery
b. (Trained service technician only) System
board assembly
1. Update the BIOS code.
2. Reseat the DIMMs.
3. Replace the following components one at a
time, in the order shown, restarting the
blade server each time:
a. DIMMs
b. (Trained service technician only) System
board assembly
(Trained service technician only) Replace the
system board assembly.
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