Powering Off and Powering On the System
This section provides procedures for powering off and powering on the system.
Powering Off the System
If the system is operating under AIX, type the shutdown -F command to power off
the system.
If you cannot use this method, you can power off the system by using the following
operator-panel power button procedure.
Attention: Using the power button on the primary I/O drawer operator panel to power
off the system might cause unpredictable results in the data files, and the next IPL
will take longer to complete.
1. Open the rack door.
2. Press the power button on the primary I/O drawer operator panel.
The power LED on the primary I/O drawer operator panel starts blinking at a fast
rate. B0FF appears in the primary operator panel display.
When the power-off sequence is complete, the system goes into Standby mode, as
evidenced by the following:
OK message displays in the primary operator panel display.
The primary I/O drawer operator panel LED will start blinking at a slow rate.
The CEC drawer power LED will start blinking at a slow rate.
Powering On the System
Perform the following steps to power on the CEC drawer and attached I/O drawer:
1. Open the rack door. Look for OK in the primary operator panel display, which
indicates that the system is in Standby mode.
2. Press the power button on the primary I/O drawer operator panel.
The power LED on the primary I/O drawer operator panel starts blinking at a fast
rate. Checkpoints codes (9xxx) appear in the operator panel display.
When the power-up sequence is complete; the following events occur:
The power LED on the primary I/O drawer operator panel stops blinking and
stays on.
4RS/6000 Enterprise Server Model H80 Series User's Guide