Serial Port Problems - Lenovo ThinkServer TS200 Hardware Maintenance Manual

• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See Chapter 7 "Parts listing, TS200 Types 6522, 6523, 6524, 6525, 6526, 6528, 6529, and 6530" on page 209
to determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
• If an action step is preceded by "(Trained service technician only)," that step must be performed only by
a Trained service technician.
• Go to the Lenovo support Web site at http://www.lenovo.com/support to check for technical information,
hints, tips, and new device drivers or to submit a request for information.
Symptom
The server unexpectedly shuts
down, and the LEDs on the
control-panel assembly are not
lit.

Serial port problems

• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See Chapter 7 "Parts listing, TS200 Types 6522, 6523, 6524, 6525, 6526, 6528, 6529, and 6530" on page 209
to determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
• If an action step is preceded by "(Trained service technician only)," that step must be performed only by
a Trained service technician.
• Go to the Lenovo support Web site at http://www.lenovo.com/support to check for technical information,
hints, tips, and new device drivers or to submit a request for information.
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.
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Hardware Maintenance Manual
Action
See "Solving undetermined problems" on page 125.
Action
1. Make sure that:
• Each port is assigned a unique address in the Setup utility program and none
of the serial ports is disabled.
• The serial port adapter (if one is present) is seated correctly.
2. Reseat the serial port adapter.
3. Replace the serial port adapter.
1. Make sure that:
• The device is compatible with the server.
• The serial port is enabled and is assigned a unique address.
• The device is connected to the correct connector (see "System-board external
connectors" on page 131).
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