IBM System x3500 Service Manual page 109

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, System x3500 Type 7977," on page 41 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
One continuous beep
Repeating short beeps
Repeating long beeps
Description
Microprocessor error.
Keyboard error.
Memory error.
Action
1. Reseat the following components:
a. (Trained service technician only)
Microprocessor
b. (Trained service technician only)
Optional microprocessor
2. (Trained service technician only) Remove
microprocessor 2 and restart the server.
v If no beep code occurs, microprocessor 2
might have failed; replace the
microprocessor.
v If the beep code remains, remove
microprocessor 1 and install
microprocessor 2 in the connector for
microprocessor 1; then, restart the
server. If no beep code occurs,
microprocessor 1 might have failed;
replace the microprocessor.
3. Replace the following components one at a
time, in the order shown, restarting the
server each time.
a. (Trained service technician only)
Microprocessor
b. (Trained service technician only)
Optional microprocessor
c. (Trained service technician only) System
board
1. Reseat the keyboard
2. Replace the keyboard.
1. Reseat the DIMMs.
2. Replace the lowest-numbered pair of
DIMMs with an identical known good pair of
DIMMs; then, restart the server. If the beep
code error remains, go to 3. Return one
DIMM at a time from the failed pair to its
connector, restarting the server after you
reinstall each DIMM, to identify the failed
DIMM.
3. Replace the following components, one at a
time, in the order shown, restarting the
server each time:
a. DIMMs
b. (Trained service technician only) System
board
Chapter 5. Diagnostics
99