Serial Port Problems; Serverguide Problems - IBM System x3250 Problem Determination And Service Manual

Serial port problems

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 4364 or Type 4365 server," on page 59 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.
Symptom
The number of serial ports that
are identified by the operating
system is less than the number
of installed serial ports.
A serial device does not work.

ServerGuide problems

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 4364 or Type 4365 server," on page 59 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.
Symptom
™
The ServerGuide Setup and
Installation CD will not start.
The ServeRAID program cannot
view all installed drives, or the
operating system cannot be
installed.
The operating-system
installation program
continuously loops.
Action
1. Make sure that:
v Each port is assigned a unique address in the Configuration/Setup Utility
program and none of the serial ports is disabled.
v The serial-port adapter (if one is installed) is seated correctly.
2. Reseat the serial port adapter.
3. Replace the serial port adapter.
1. Make sure that:
v The device is compatible with the server.
v The serial port is enabled and is assigned a unique address.
v The device is connected to the correct connector (see "Server controls,
LEDs, and connectors" on page 4).
2. Reseat the following components:
a. Failing serial device
b. Serial cable
3. Replace the following components one at a time, in the order shown, restarting
the server each time:
a. Failing serial device
b. Serial cable
c. (Trained service technician only) System board
Action
1. Make sure that the server supports the ServerGuide program and has a
startable (bootable) CD or DVD drive.
2. If the startup (boot) sequence settings have been changed, make sure that the
CD or DVD drive is first in the startup sequence.
3. If more than one CD or DVD drive is installed, make sure that only one drive is
set as the primary drive. Start the CD from the primary drive.
1. Make sure that there are no duplicate IRQ assignments.
2. Make sure that the hard disk drive is connected correctly.
3. Make sure that the hard disk drive cables are securely connected.
Make more space available on the hard disk.
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Chapter 2. Diagnostics