Serial port problems

Symptom	Action

	5. If you just installed an optional device, remove it, and restart the server. If
	the server now starts, you might have installed more devices than the power
	supply supports.
	6. See “Solving undetermined problems” on page 102.

The server does not turn off.	1. Determine whether you are using an Advanced Configuration and Power
	Interface (ACPI) or a non-ACPI operating system. If you are using a non-ACPI
	operating system, do the following:
	a. Press Ctrl+Alt+Delete.
	b. Turn off the server by pressing the power-control button for 5 seconds.
	c. Restart the server.
	d. If the server fails the POST and the power-control button does not work,
	disconnect the power cord for 20 seconds; then, reconnect the power cord
	and restart the server.
	2. If the problem remains or if you are using an ACPI-aware operating system,
	suspect the system board.

The server unexpectedly shuts	See “Solving undetermined problems” on page 102.
down, and the LEDs on the
operator information panel are
not lit.

•Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

•See the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRUs) and which components are field replaceable units (FRUs).

•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	1. Make sure that:
are identified by the operating		• Each port is assigned a unique address in the Setup Utility program and
system is less than the number		none of the serial ports is disabled.
of installed serial ports.		• 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 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.
	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

100ThinkServer User Guide

1048, 1045, 1046, 1047 specifications

Lenovo has been a leading name in the PC industry, offering a diverse range of laptops designed to meet various computing needs. Among its popular models are the Lenovo 1047, 1046, 1045, and 1048, each catering to different segments of users with distinct features, technologies, and characteristics.

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Overall, Lenovo’s 1047, 1046, 1045, and 1048 models showcase the brand’s commitment to delivering a broad spectrum of laptops that cater to different user needs, merging technology with practicality for various computing environments.

Lenovo 1046, 1047, 1045, 1048 manual Serial port problems

Models: 1048 1045 1046 1047

Symptom