Service manual

6-1
CHAPTER
6
Powering On and Off
This chapter contains procedures to power on and power off the Ultra 2 series
computer.
This chapter contains the following topics:
■ Section 6.1 “Powering On the System Unit” on page 6-1
■ Section 6.2 “Powering Off the System Unit” on page 6-2
6.1 Powering On the System Unit
To power on the system unit:
1. Turn on power to all connected peripherals.
Note – Peripheral power is activated prior to system unit power so the system unit
can recognize the peripherals when it is activated.
2. Connect the AC power cord.
3. Set the power on/standby switch to the on (I) position (
FIGURE 6-1) or press the Sun
Type-5 keyboard Power-on key (
FIGURE 6-2).
Note – The Sun Type-5 keyboard Power-on key is active only if the
power on/standby switch is set to the on position.
4. Verify the following:
a. The front panel LED is on.
b. The system unit fans are spinning.