Step 5. setting up rails in the rack, Post indicators – IBM Enterprise Server H80 Series User Manual
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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 a different 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
Keyboard Initialize the keyboard and mouse. The time period for pressing a key to
access the System Management Services, or to boot from a default boot
list is now open. See “POST Keys” on page 7 for more information.
Network
Self-test on network adapters
SCSI
Adapters are being initialized
Speaker
Sounds an audible tone at the end of POST
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RS/6000 Enterprise Server Model H80 Series User's Guide