Operations 1-3
Figure 1–2 Location of Control Panel and On/Off Button
PK1043b
Table 1–1 Control Panel Functions
Symbol Function
Halt
button
.
Under OpenVMS and Tru64 UNIX, suspends the operating
system and returns control to the SRM console. Under Windows NT, this
button initiates a system reset.
Environmental
amber LED. On indicates Temperature or Fan LEDs are
on. Flashes when operating system invokes it as an alert.
Temperature
amber LED. On indicates internal temperature exceeds
operating conditions. The system shuts down 30 seconds after this LED
lights.
Fan
amber LED
.
On indicates that at least one of the three fans in the
system has failed. The system shuts down 30 seconds after this LED lights.
Disk Activity
green LED. Flashes when internal system disks are
accessed.
Power Present
green LED. On when power is present in the system.
Power
button. Push in to start the system and connect power. Push again
to remove power and stop the system.
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