IBM 7985 Problem Determination And Service Manual page 50

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 4, "Parts listing, System x3655, Type 7985 and 7943," on page 93 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
11xx System board serial port error.
1162 Serial port configuration conflicts.
1200 Processor machine check.
1762 Hard disk configuration error.
1800 Unavailable PCI hardware interrupt.
32
IBM System x3655 Type 7985 and 7943: Problem Determination and Service Guide
Action
1. Reseat the external cable on the serial port.
2. Run the Configuration/Setup Utility program.
3. (Trained service technician only) Replace the
system board.
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 "System event/error log messages" on page
68).
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.