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Power problems
Symptom
The server does not turn on.
The server does not turn off.
Serial port problems
For more information about the serial port, see the Option Installation Guide on the
IBM xSeries Documentation CD.
Symptom
The number of serial ports
identified by the operating
system is less than the number
of serial ports that are installed.
A serial device does not work.
54
xSeries 365 Type 8861 and 8862: Installation Guide
Suggested action
v Make sure that the server power cord is connected to the server and a working
electrical outlet.
v Make sure that the type of memory that is installed is supported by your server
and is installed in the correct order.
v Make sure that the microprocessors are installed in the correct sockets.
v If you just installed an option, remove it, and restart the server. If the server now
turns on, you might have installed more options than the power supply supports.
v Make sure the memory cassette is fully seated and the locking handle is all the
way down.
If the problem remains, call for service.
Determine whether you are using an ACPI or non-ACPI operating system.
If you are using a non-ACPI operating system, complete the following steps:
1. Press Ctrl+Alt+Delete.
2. Turn off the server by using the power-control button. You might need to press
and hold the power-control button for 5 seconds to force the server to turn off.
If the problem remains or if you are using an ACPI operating system, call for
service.
Suggested action
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 you installed one, is seated correctly.
If the problem remains, call for service.
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 one of the following serial connectors:
– The serial connector on the server chassis.
– A serial port on the Remote Supervisor Adapter II breakout cable and the
breakout cable is connected to the ASM port on the REmote Supervisor
Adapter II.
If the problem remains, call for service.
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