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U41243-J-Z156-1-76
Controls and indicators
Preparation for use and operation
ON/OFF button:
When the system is switched off, the system is
switched on by pressing the ON/Off button.
When the system is operating, pressing the
ON/OFF button will switch off the system.
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The ON/OFF button does not disconnect the server from the line voltage.
To disconnect from the line voltage, remove the power plug from the power
outlet.
Reset button:
Pressing the Reset button reboots the system.
The Power-ON Self-Test (POST) is started.
Power-on
indicator:
Lights up green when the server is switched on
and DC power is present in the server.
Does not light up if the server is switched off or
if the power supply has been interrupted.
Power failure
indicator:
Lights up yellow if DC power is not present in
the server.
Fan failure
indicator:
Lights up yellow if a fan has failed.
Drive error:
Lights up yellow if an error status exists for one
or more hard disks in the drive cage.
Blinks yellow if a hard disk reset is being
performed.
LCD display field:
Information about the processor type and error codes are displayed
on the LCD display field (see the section “Error messages on the
LCD display” on page 80).
NMI button:
Pressing on the NMI button causes a non-maskable interrupt. This
button is located behind the front panel to prevent inadvertent
activation. It must be pressed with a narrow tool (not supplied).
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