IBM 7163, Problem Determination And Service Manual

Page: 173 / 210

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
Sensor
number Sensor
type
Action
System firmware
progress
Assertion 000B (Firmware
ROM corrupted)
00 0F
1. Use the Boot recovery (BIOS) jumper (J64) to switch to the
secondary BIOS page.
2. (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.
System firmware
progress
Assertion 010B (SMBUS
error)
00 0F (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.
Memory error
Assertion 35xx
(Correctable ECC
memory error logging
limit reached DIMM xx
00 0C Information only
System power monitor
Assertion:
00 (Power off/power
down)
01 (Power cycle)
03 (Interlock power
down)
04 (AC lost)
07 (Predictive failure)
01 09 Information only
System power monitor
Assertion 02 (240VA
Power down) or 05 (Soft
power control failure)
01 09 (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.
System power monitor
Assertion 06 (Power unit
failure detected)
01 09
1. Check the primary voltages to the power supply.
2. Replace the power supply.
3. (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.
Watchdog 03 23 Information only
Planar 3.3V 16 02 (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.
Planar 5V 17 02 (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.
Chapter 5. Diagnostics
157