IBM System x3550 Type 7978 Problem Determination And Service Manual page 40

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 7978 and 1913 server," on page 89 to determine which components are
CRUs and which components are FRUs.
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Beep code
2-3-2
2-3-3
2-3-4
2-4-1
2-4-4
3-1-1
3-1-2
3-1-3
3-1-4
3-2-1
22
IBM System x3550 Type 7978 and 1913: Problem Determination and Service Guide
Description
Screen memory failed.
Screen retrace failed.
Search for video ROM failed.
Video failed.
Memory configuration error.
Timer tick interrupt failed.
Interval timer channel 2 failed.
RAM test failed above address 0FFFFh.
Time-of-day clock failed.
Serial port failed.
Action
(Trained service technician only) Replace the
system board.
(Trained service technician only) Replace the
system board.
(Trained service technician only) Replace the
system board.
(Trained service technician only) Replace the
system board.
1. Make sure that the DIMMS are installed in
the correct configuration.
2. Replace the following components one at
a time, in the order shown, restarting the
server each time:
a. Failing DIMM
b. (Trained service technician only)
System board
(Trained service technician only) Replace the
system board.
(Trained service technician only) Replace the
system board.
1. Reseat the DIMMs.
2. Replace the following components one at
a time, in the order shown, restarting the
server each time:
a. DIMMs
b. (Trained service technician only)
System board
1. Reseat the system-board battery.
2. Replace the following components one at
a time, in the order shown, restarting the
server each time:
a. System-board battery
b. (Trained service technician only)
System board
(Trained service technician only) Replace the
system board.