IBM 6.00E+04, 6C4 manual Using the System, Starting the System Unit, Stopping the System Unit

Chapter 2. Using the System

This chapter provides information on how to start and use the system.

Starting the System Unit

1.Set the power switches of the attached devices to On.

Note: When the system is plugged in but not powered on, the Power-On LED flashes slowly.

2.If the LED is not flashing and OK is not displayed, ensure that the power cord, located at the back of the system unit, is plugged into a grounded electrical outlet.

3.If this does not solve the problem, go to Chapter 8, ªHardware Problem Determinationº on page 157.

4.Press the Power-On button.

When you press the Power-On button, the Power-On LED comes on, and the system starts a POST (power-on self-test).

During POST, progress codes display in the operator panel display.

5.If the Power-On LED does not come on and there is no indication of power when you press the Power-On button, go to Chapter 8, ªHardware Problem Determinationº on page 157.

Stopping the System Unit

Attention: When you use the shutdown procedure for your system, follow the correct shutdown procedure before you stop the system. Failure to do so can result in the loss of data. The system is powered down by the shutdown procedure.

1.At a command line, type shutdown to stop the operating system.

2.After you shut down the operating system, set the power switches of any attached devices to Off.

3.If you will be servicing the system, unplug the system-unit power cable from the electrical outlet.

Reading the Operator Panel Display

The operator panel display is used to:

vTrack the progress of the system unit self-tests and configuration program

vDisplay codes when the operating system comes to an abnormal end

vDisplay system messages

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