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POST beep codes
A beep code is a combination of short or long beeps or a series of short beeps that
are separated by pauses. For example, a "1-2-3" beep code is one short beep, a
pause, two short beeps, a pause, and three short beeps. A beep code other than
one beep indicates that POST has detected a problem. To determine the meaning
of a beep code, see "Beep code descriptions." If no beep code sounds, see
"No-beep symptoms" on page 42.
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 that indicate a microprocessor error,
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 7996," on page 11 to determine which components are CRUs and which
components are FRUs.
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
1-1-3
1-1-4
1-2-1
1-2-2
40
BladeCenter HC10 Type 7996: Problem Determination and Service Guide
the error might be in a microprocessor or in a microprocessor socket.
See "Microprocessor problems" on page 59 for information about
diagnosing microprocessor problems.
Description
CMOS write/read test failed.
BIOS ROM checksum failed.
Programmable interval timer failed.
DMA initialization failed.
Action
1. Reseat the battery
2. Clear CMOS. See "System board jumpers
and buttons" on page 7 for information
about how to clear CMOS.
3. Replace the following components one at a
time, in the order shown, restarting the
blade workstation each time:
a. Battery
b. (Trained service technician only) System
board assembly
1. Update the BIOS code.
2. Reseat the DIMMs (see "Removing a
memory module" on page 24 and "Installing
a memory module" on page 24).
3. Replace the following components one at a
time, in the order shown, restarting the
blade workstation each time:
a. DIMMs
b. (Trained service technician only) System
board assembly
(Trained service technician only) Replace the
system board assembly.
(Trained service technician only) Replace the
system board assembly.
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