IBM x3550 - System - 7978, Руководство по диагностике и обслуживанию

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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 7978 and 1913 server,” on page 29 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 Action
The number of serial ports that
are identified by the operating
system is less than the number
of installed serial ports.
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 present) is seated correctly.
2. Reseat the serial port adapter.
3. Replace the serial port adapter.
A serial device does not work.
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 “Internal LEDs,
connectors, and jumpers” on page 9).
2. Reseat the following components:
a. Failing serial device
b. Serial cable
c. Remote Supervisor Adapter II SlimLine (if one is present)
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. Remote Supervisor Adapter II SlimLine (if one is present)
d. (Trained service technician only) System board
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 7978 and 1913 server,” on page 29 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 Action
The ServerGuide Setup and
Installation CD will not start.
1. Make sure that the server supports the ServerGuide program and has a
startable (bootable) CD-RW/DVD drive.
2. If the startup (boot) sequence settings have been changed, make sure that the
CD-RW/DVD drive is first in the startup sequence.
3. If more than one CD-RW/DVD drive is installed, make sure that only one drive
is set as the primary drive. Start the CD from the primary drive.
The ServeRAID program cannot
view all installed drives, or the
operating system cannot be
installed. 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.
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IBM System x3550 Type 7978 and 1913: Problem Determination and Service Guide