IBM 7940 Problem Determination And Service Manual page 98

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 7940 and 7941 servers," on page 19 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.
Error code Description
1162 Serial port configuration conflicts.
1200 Processor machine check.
1762 Hard disk configuration error.
1800 Unavailable PCI hardware interrupt.
1801 An adapter has requested memory
resources that are not available.
80
IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide
Action
1. Run the Configuration/Setup Utility program to
ensure that the IRQ and I/O port assignments
needed by the serial port are available.
2. If all interrupts are being used by adapters,
remove an adapter or force other adapters to
share an interrupt.
1. Check the system event/error log or BMC log
(see "BMC system-event log messages" on page
109).
2. (Trained service technician only) Replace the
system board.
1. Reseat the hard disk drive.
2. Run the Configuration/Setup Utility program and
load the defaults.
3. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Hard disk drive
b. (Trained service technician only) System
board
1. Run the Configuration/Setup Utility program and
adjust the adapter settings.
2. Remove each adapter one at a time, restarting
the server each time, until the problem is isolated.
1. Rearrange the order of the adapters in the PCI
slots, if possible.
2. Run the Configuration/Setup Utility program,
select Startup Options, and alter the boot
sequence.
3. Run the Configuration/Setup Utility program and
disable other resources, if possible.
a. Select Startup Options to disable the
onboard Ethernet controller option ROM.
b. Select Advanced Setup to disable the option
ROM of adapters in the PCI slots.
c. Select Devices and I/O Ports to disable any
of the integrated devices.
4. If the problem remains, replace the following
components one at a time, in the order shown,
restarting the server each time:
a. Each adapter
b. (Trained service technician only) System
board