Installation guide

The upper key switch controls the effect of the Restart button. If the upper

key switch is in the Enable position, the Restart button is operative. If

the upper key switch is not in the Enable position, the Restart button is

ignored.

Table 6–4: Restart Button

Upper Key Switch Lower Key Switch Restart Button Function

Enable Update or Halt Runs self-test, then halts.

Enable Auto Start Runs self-test, and attempts a restart.

If the restart fails, then it re-

boots the operating system using the

boot speciﬁcation designated as the de-

fault. If the reboot fails, control re-

turns to the console.

Standby

or Secure

Any position Does not function.

When you press the Restart button, the system runs self-test. For the

Restart button to reboot the operating system, the upper key switch must be

set to Enable and the lower key switch must beset to Auto Start. Figure 6–8

shows the control panel with upper and lower key switches in position for

using the Restart buttonto reboot. If the system failsself-test, the processor

does not reboot the operating system.

Powering Up the System 6–15