IBM Enterprise Server H80 Series, User Manual

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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:
v OK
displays in the primary operator panel display.
v
The primary I/O drawer power LED on the operator panel will start blinking at a slow
rate.
v
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-on sequence is complete, the following events occur:
v
The power LED on the primary I/O drawer operator panel stops blinking and stays
on.
v
The power LED on the CEC drawer stops blinking and stays on.
Powering Off and Powering On the System Using the Service Processor
The system can be powered off and on using the System Power Control menu, which is
a Service Processor menu that is available to the privileged user. See “System Power
Control Menu” on page 26.
POST Indicators
POST (Power-On-Self-Test) indicators indicate tests that are being performed as the
system is preparing to load the operating system. The POST indicators are words that
display on the system console. Each time that the system starts another step in the
POST, a POST indicator word appears on the console. Each word is an indicator of the
tests that are being performed.
The POST screen displays the following words:
Memory Memory test
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User’s Guide