IBM 4810-E3H Installation And Service Manual page 49

March 2009
Table 11. Suspected Fault Table (continued)
FRU
Modular Flash Drive
System Board
USB Connector Card
RS-232 Connector card
Memory Module
Power Supply
Battery/coin cell
Problem determination
Evaluation
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.
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.
Try booting the USB key in the questionable
USB port.
1. Try booting the USB key in the
questionable USB port.
2. Use the RSS diagnostic wrap plug test
on the suspected serial port.
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.
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.
1. Check that the battery is installed
properly.
2. Re-seat the battery.
Chapter 4. Problem determination
35