Acer R920 Series manual Control panel button function overview, Control button Function

18 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

Scroll down button

Back button

Select 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.