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SPARC Enterprise M3000 Server Service Manual • January 2009
2.2.2
Switches on the Operator Panel
depicts the functions of the switches on the operator panel.
The switches on the operator panel include the mode switch for setting the operation
mode and the power switch for turning on and off the server.
TABLE 2-1
Switches (Operator Panel)
Switch
Name
Description of function
Mode
Switch
This switch is used to set the operation mode for the server.
Insert the special key that is under the customer's control, to
switch between modes.
Locked
Normal operation mode
• The system can be powered on with the power button, but
it cannot be powered off with the power button.
• The key can be pulled out at this key position.
Service
Mode for maintenance
• The system can be powered on and off with the power
button.
• The key cannot be pulled out at this key position.
• To stop and maintain the server, set the mode to Service.
Because remote power control and automatic power control
for the server can be disabled in Service mode, unintended
power-on during maintenance can be prevented.
Power button
Used to control the server power.
Power on and power off are controlled by pressing this button
in different patterns, as described below.
Holding down the button
for a short time
(less than 4 seconds)
Regardless of the mode switch setting, the server is powered
on.
At this time, processing for waiting for facility (air
conditioners) power on and warm-up completion, if set in the
XSCF, is skipped.
*
* In normal operation, the server is powered on only when the computer room environmental conditions satisfy the specified values.
Then, the server remains in the reset state until the operating system is booted.
Holding down the button
for a long time in Service
mode
(4 seconds or longer)
• If power to the server is on, OS shutdown processing is
executed for all domains before the system is powered off.
• If the server is being powered on, the power-on processing
is cancelled, and the server is powered off.
• If the server is being powered off, the operation of the
power button is ignored, and the power-off processing is
continued.
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