IBM 4910-33D Installation Guide - Page 49

Evaluation, ENTER, Table 11. Suspected Fault Table continued

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March 2009 Problem determination Table 11. Suspected Fault Table (continued) FRU Evaluation Modular Flash Drive Run the system unit tests. Does the system unit test identify the modular flash drive as an option? No - Replace the flash drive. Yes - Run the test for the modular flash drive. Does the test pass? No - Replace flash drive. System Board 1. During POST, verify the system board check program runs successfully. If not, remove and/or re-seat all cables and board-board connections as follow: v Riser v Power Connector v Power switch card cable v Memory v HDD Assembly Note: Disconnect all external cables and reconnect one at a time from the powered OFF state. Power ON completely after each device connection to determine if a device is causing a problem. 2. Clear CMOS with the jumper. 3. If there is a problem with a port, use RSS diagnostics to perform the wrap plug test on the serial port. USB Connector Card Try booting the USB key in the questionable USB port. RS-232 Connector card 1. Try booting the USB key in the questionable USB port. 2. Use the RSS diagnostic wrap plug test on the suspected serial port. Memory Module Run the RSS system unit diagnostic tests. During boot of the diagnostic memory key, a memory test is run. Upon completion of the test, press the ENTER key to request the extended diagnostic test for the memory. Power Supply 1. Verify AC power is available at the power outlet. 2. Verify the power cord is plugged into the outlet. 3. Re-seat the power cord in the system unit. 4. Connect the system unit with a different power cord. 5. Re-seat the 2 power supply cables inside the system unit. Battery/coin cell 1. Check that the battery is installed properly. 2. Re-seat the battery. Chapter 4. Problem determination 35

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Table 11. Suspected Fault Table (continued)
FRU
Evaluation
Modular Flash Drive
Run the system unit tests. Does the system
unit test identify the modular flash drive as
an option? No – Replace the flash drive. Yes
– Run the test for the modular flash drive.
Does the test pass? No – Replace flash
drive.
System Board
1.
During POST, verify the system board
check program runs successfully. If not,
remove and/or re-seat all cables and
board-board connections as follow:
v
Riser
v
Power Connector
v
Power switch card cable
v
Memory
v
HDD Assembly
Note:
Disconnect all external cables and
reconnect one at a time from the
powered OFF state. Power ON
completely after each device connection
to determine if a device is causing a
problem.
2.
Clear CMOS with the jumper.
3.
If there is a problem with a port, use RSS
diagnostics to perform the wrap plug test
on the serial port.
USB Connector Card
Try booting the USB key in the questionable
USB port.
RS-232 Connector card
1.
Try booting the USB key in the
questionable USB port.
2.
Use the RSS diagnostic wrap plug test
on the suspected serial port.
Memory Module
Run the RSS system unit diagnostic tests.
During boot of the diagnostic memory key, a
memory test is run. Upon completion of the
test, press the
ENTER
key to request the
extended diagnostic test for the memory.
Power Supply
1.
Verify AC power is available at the power
outlet.
2.
Verify the power cord is plugged into the
outlet.
3.
Re-seat the power cord in the system
unit.
4.
Connect the system unit with a different
power cord.
5.
Re-seat the 2 power supply cables inside
the system unit.
Battery/coin cell
1.
Check that the battery is installed
properly.
2.
Re-seat the battery.
Problem determination
March 2009
Chapter 4. Problem determination
35