Acer R920 User Manual download pdf (Page 36)

1 System tour

Control panel button function overview

The following table list and describe the function of the control

buttons available on the control panel.

Control button Function

NMI button Puts the server in a halt-state for diagnostic purposes

and allows you to issue a non-maskable interrupt.

After using the interrupt, a memory download can be

performed to determine the cause of the problem.

Reset button Reboots and initializes the system.

Power/sleep button Toggles the system power on and off. This button also

functions as a sleep button if enabled by an ACPI-

compliant operating system.

System ID button Toggles the front panel ID LED and the mainboard

system ID LED on and off. The mainboard system ID

LED is visible through the rear of the chassis and

allows you to locate the server you’re working on

from behind a rack of servers.

Scroll up button With an LCD control panel, use these navigation

buttons to do the following.

• Navigate through the menu options.

• Select an option in the menu and confirm your

selection.

Scroll down button

Back button

Select button

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Acer R920 User Manual Page 36