Lenovo System x3750 M4, Инструкция по установке и обслуживанию

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Table 38. Serial-device problems
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See Chapter 5 “Parts listing, Lenovo System x3750 M4 Type 8753” on page 203 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.
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 the following conditions are met:
• Each port is assigned a unique address in both the Setup utility and the
operating system, and none of the serial ports are disabled.
• 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 the following conditions are met:
• The device is compatible with the server.
• The serial port is enabled and is assigned a unique address in both the Setup
utility and the operating system.
• The device is connected to the correct connector (see “System-board
internal connectors” on page 28 and “System-board external connectors”
on page 28).
2. Reseat the following components:
a. Failing serial device
b. Serial cable
3. Replace the components listed in step 2 one at a time, in the order shown,
restarting the server each time.
4. Replace the serial adapter (if one is installed).
5. (Trained service technician only) Replace the system board.
ServerGuide problems
Use this information to solve ServerGuide problems.
Table 39. ServerGuide problems
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See Chapter 5 “Parts listing, Lenovo System x3750 M4 Type 8753” on page 203 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.
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 or
DVD drive. See the readme file that is part of the
ISO image at https://support.lenovo.com/us/en/
documents/LNVO-CENTER.
2. Make sure that you burned the CD or DVD from an
image (do not burn the CD or DVD ISO file as a data
disk)
3. Make sure that you burned the CD or DVD as disk at
once (not track at once).
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Lenovo System x3750 M4 Installation and Service Guide