Lenovo 6435 - Manual (Page 68)

Serial-device 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 the parts listing in the Hardware Maintenance Manual 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 installed) 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 “Rear view” on page
28).
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
EasyStartup problems
Table 5. EasyStartup DVD
v Follow the suggested actions in the order in which they are listed in the Action Column until the problem
is resolved.
v See the Hardware Maintenance Manual on the Documentation DVD to determine which components are
customer replaceable units (CRU’s) and which fields are field replacable units (FRU’s).
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 EasyStartup DVD
will not start.
v Make sure that the server supports the EasyStartup program and has a startable
(bootable) CD or DVD drive.
v If the startup (boot) sequence settings have been changed, make sure that the CD or
DVD drive is first in the startup sequence.
v 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.
The ServeRAID Manager
program cannot view all
installed drives, or the
operating system cannot
be installed.
v Make sure that the hard disk drive is connected correctly.
v Make sure that the SAS hard disk drive cables are securely connected.
54 ThinkServer RS110 Types 6435, 6436, 6437, and 6438: Installation Guide