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Chapter 6 Power On and Off 6-3
FIGURE 6-2 Sun Type-5 Keyboard
6.2 Powering Off the System Unit
Caution – Prior to turning off the system unit power, exit from the operating
system. Failure to do so may result in data loss.
Caution – Wear an antistatic wrist strap and use an ESD-protected mat when
handling components. When servicing or removing system unit components, attach
an ESD strap to your wrist, then to a metal area on the chassis, and then disconnect
the power cord from the system unit and the wall receptacle. Following this caution
equalizes all electrical potentials with the system unit.
To power off the system unit:
1. Back up system files and data.
2. Halt the system.
Caution – Pressing the front panel power switch does not remove all power from
the system unit; a trickle voltage remains in the power supply. To remove all power
from the system unit, disconnect the AC power cord.
3. Set the front panel power switch to the Off position (
FIGURE 6-3).
Power on key