IBM BladeCenter HS20 Problem Determination And Service Manual page 30

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 7981 and 1884," 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
BladeCenter HS20 Type 7981 and 1884: Problem Determination and Service Guide
Description
Memory size mismatch occurred.
Critical SMBUS error occurred.
No operational memory in system.
Note: 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 is set to
Enabled (its default setting), you must
restart the server three times to force the
system BIOS code to reset the memory
connector or bank of connectors from
Disabled to Enabled.
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
blade server each time:
a. DIMMs
b. Battery
c. (Trained service technician only) System
board assembly
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
blade 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
blade server each time:
a. DIMMs
b. (Trained service technician only) System
board assembly
1. Run diagnostics.
2. Run the Configuration/Setup Utility program.