IBM System x3755 Problem Determination And Service Manual page 186

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 x3755 Type 8877 and 7163," 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.
BMC log message
CPU 3 volt
CPU 4 volt
PCI slot faults
HT1000 initiated sync
flood: Legacy I/O failure
HT1000 initiated sync
flood: PERR on PCI-x
slot
HT1000 initiated sync
flood: SERR on PCI-x
slot
Primary HT2100 initiated
sync flood: ENET n error
System resetting due to
unrecoverable error
170
IBM System x3755 Type 8877 and 7163: Problem Determination and Service Guide
Sensor Sensor
number type Action
9E 02
1. Reseat the microprocessor/memory cards, see "Removing a
2. Reseat the DIMMs, see "Removing a DIMM" on page 48 and
3. (Trained service technician only) Replace the I/O board, see
9F 02
1. Reseat the microprocessor/memory cards, see "Removing a
2. Reseat the DIMMs, see "Removing a DIMM" on page 48 and
3. (Trained service technician only) Replace the I/O board, see
AB 21 Information only
AB-AC 21 (Trained service technician only) Replace the I/O board, see
"Removing the I/O board assembly" on page 68 and "Replacing
the I/O board assembly" on page 69.
AB-AC 21
1. Remove the adapters in slot 5 and slot 6.
2. Reinstall the adapters one at a time to isolate the error.
3. (Trained service technician only) Replace the I/O board, see
AB-AC 21
1. Remove the adapters in slot 5 and slot 6.
2. Reinstall the adapters one at a time to isolate the error.
3. (Trained service technician only) Replace the I/O board, see
AB-AC 21 (Trained service technician only) Replace the I/O board, see
"Removing the I/O board assembly" on page 68 and "Replacing
the I/O board assembly" on page 69.
AB-AC 21
1. Check the operator information panel and light path
2. Test the server with the minimum supported configuration
3. (Trained service technician only) Replace the I/O board, see
microprocessor/memory card" on page 51 and "Replacing a
microprocessor/memory card" on page 51.
"Replacing a DIMM" on page 49.
"Removing the I/O board assembly" on page 68 and
"Replacing the I/O board assembly" on page 69.
microprocessor/memory card" on page 51 and "Replacing a
microprocessor/memory card" on page 51.
"Replacing a DIMM" on page 49.
"Removing the I/O board assembly" on page 68 and
"Replacing the I/O board assembly" on page 69.
"Removing the I/O board assembly" on page 68 and
"Replacing the I/O board assembly" on page 69.
"Removing the I/O board assembly" on page 68 and
"Replacing the I/O board assembly" on page 69.
diagnostics LEDs.
before replacing any parts.
"Removing the I/O board assembly" on page 68 and
"Replacing the I/O board assembly" on page 69.