NEC POWERMATE P - SERVICE MANUAL 1996 Service And Reference Manual page 48

5. Press the power button (see Figure Section 2-11) to power-on the system. The
power lamp lights green, indicating that the system is in Full-Power mode.
The system automatically goes into its Power-On-Self-Test (POST), and checks
system components. One beep indicates that the system has successfully
completed its power-on test.
If a problem occurs, a series of beeps may sound. If this happens repeatedly after
powering on, power off the system and Troubleshoot.
If a problem occurs and is not indicated by beeps, power off the system and
Troubleshoot.
NOTE: If the system displays a message
indicating that system settings have changed, run
Setup (see "System Configuration" later in this
section).
Figure Section 2-11 Power Button, Lamps, and Suspend Button
Setup and Operation 2-9