IBM LS20 - BladeCenter - 8850 Service Manual page 28

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 8850," on page 53 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.
Beep code
3-3-1
3-3-2
3-3-3
Two short beeps
14
AMD Opteron LS20 Type 8850 for IBM BladeCenter: Problem Determination and Service Guide
Description
Memory size mismatch occurred.
Critical SMBUS error occurred.
No operational memory in system.
Information only, configuration has
changed.
Action
1. Verify that both DIMMs in the bank are of
the same size, speed, type and technology.
2. Reseat the following components:
a. DIMMs
b. Battery
3. 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 assembly
c. Battery
1. Power down the blade server and reseat it
in the BladeCenter unit.
2. Reseat the DIMMs.
3. 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 assembly
Important: In some memory configurations,
the 3-3-3 beep code might sound during POST
followed by a blank display screen. If this
occurs and the Boot Fail Count feature in the
Start Options of the Configuration/Setup Utility
program is set to Enabled (its default setting),
you must restart the blade server three times to
force the system BIOS to reset the CMOS
values to the default configuration (memory
connector or bank of connectors enabled).
1. Install or reseat DIMMS and restart the
server.
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 assembly
Run the Configuration/Setup Utility program.