IBM System x3755 Problem Determination And Service Manual page 104

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.
Error code Description
289 DIMM disabled by user or system.
301 Keyboard or keyboard controller error.
303 Keyboard controller error.
88
IBM System x3755 Type 8877 and 7163: Problem Determination and Service Guide
Action
1. If the DIMM was disabled by the user, run the
Configuration/Setup Utility program and enable
the DIMM. See "Starting the Configuration/Setup
Utility program" on page 14
2. Reseat the disabled DIMM, see "Removing a
DIMM" on page 48 and "Replacing a DIMM" on
page 49.
3. Reseat the microprocessor/memory cards, see
"Removing a microprocessor/memory card" on
page 51 and "Replacing a microprocessor/
memory card" on page 51.
4. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Disabled DIMM
b. Microprocessor/memory card that contains the
disabled DIMM. See "Removing a
microprocessor/memory card" on page 51 and
"Replacing a microprocessor/memory card" on
page 51.
c. (Trained service technician only) I/O board.
See "Removing the I/O board assembly" on
page 68 and "Replacing the I/O board
assembly" on page 69.
1. If you have installed a USB keyboard, run the
Configuration/Setup Utility program and enable
keyboardless operation to prevent the POST error
message 301 from being displayed during startup.
See "Starting the Configuration/Setup Utility
program" on page 14
2. Reseat the keyboard.
3. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Keyboard
b. (Trained service technician only) I/O board.
See "Removing the I/O board assembly" on
page 68 and "Replacing the I/O board
assembly" on page 69.
(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.