IBM IntelliStation M Pro 6218, Problem Determination And Service Manual

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Table 2. POST beep codes (continued)
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,” on page 65 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 Description Action
3-3-3 No operational memory in the system.
Attention: 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 Startup Option menu of the
Configuration/Setup Utility program is set to
Enabled (its default setting), you must restart
the computer three times to force the system
BIOS to reset the memory connector from
Disabled to Enabled .
1. If you just installed memory, make sure
that the new memory is correct for your
computer.
2. Make sure that the DIMMs are installed
in pairs; then, restart the computer.
3. Reseat the DIMMs.
4. Replace the following components one
at a time, in the order shown, restarting
the computer each time:
a. DIMMs
b. (Trained service technician only)
System board
Chapter 2. Diagnostics
15