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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, TD100 Types 6398, 6399, 6419, 6429, 4203, and 4206,” 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 Action
196 Processor cache mismatch.
1. Make sure that all microprocessors have the
same cache size (see “Using the
Configuration/Setup Utility program” on page 16.
2. Update the BIOS code (see “Updating the
firmware” on page 15).
3. (Trained service technician only) Reseat
microprocessor.
4. (Trained service technician only) Replace
microprocessor.
198 Processor speed mismatch.
1. Make sure that all microprocessors have the
same speed (see “Using the Configuration/Setup
Utility program” on page 16.
2. Update the BIOS code (see “Updating the
firmware” on page 15).
3. (Trained service technician only) Reseat
microprocessor.
4. (Trained service technician only) Replace
microprocessor.
289 A DIMM has been disabled by the user or
by the system.
1. If the DIMM was disabled by the user, run the
Configuration/Setup Utility program and enable
the DIMM.
2. Make sure that the DIMM is installed correctly
(see “Installing a memory module” on page 98).
3. Reseat the DIMM.
4. Replace the DIMM.
301 Keyboard or keyboard controller error.
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.
2. Reseat the keyboard cable.
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) System
board
303 Keyboard controller failure.
1. Reseat the keyboard.
2. Replace the keyboard.
3. (Trained service technician only) Replace the
system board.
158 ThinkServer TD100 and TD100x: Hardware Maintenance Manual