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IBM System x3950 Type 8878 Service Manual page 92

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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, Type 8878 and 8879," on page 23 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
301
Keyboard or keyboard controller error.
303
Keyboard controller error.
1600
The baseboard management controller
failed BIST (built-in self-test).
1601
Systems-management adapter
communication error.
76
IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide
Action
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 following components:
a. Keyboard
b. I/O board
3. Replace the components listed in step 2 one at a
time, in the order shown, restarting the server
each time.
1. Reseat the following components:
a. I/O board
b. Keyboard
2. Replace the components listed in step 1 one at a
time, in the order shown, restarting the server
each time.
1. Update the BMC firmware (see "Updating the
firmware" on page 13).
2. Reseat the following components:
a. Microprocessor tray
b. I/O board
c. PCI or PCI-X adapters
3. (Trained service technician only) Replace the
microprocessor tray.
1. Make sure that the Remote Supervisor Adapter II
SlimLine is installed correctly.
2. Update the Remote Supervisor Adapter II
SlimLine firmware (see "Updating the firmware"
on page 13).
3. Update the BMC firmware (see "Updating the
firmware" on page 13).
4. Reseat the following components:
a. Microprocessor tray
b. I/O board
c. Adapter
5. (Trained service technician only) Replace the
microprocessor tray.

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