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The POWER/SLEEP lamp on the front of the server comes on.
In a few seconds, a full-screen logo appears and the Power On Self-Test (POST) begins.
The POST runs automatically when you power on the server or reset it with a keyboard operation (Ctrl + Alt
+ Delete). The POST runs diagnostics, initializes the server, sets interrupt vectors, detects installed peripheral
devices, and boots the operating system (if installed). See Chapter 2 for detailed description on POST.
If the server halts before completing the POST, the POST emits a beep code indicating a fatal system error
requiring immediate attention. (See Chapter 8, "Troubleshooting," for troubleshooting information.)
During memory test, the POST displays the amount of memory it was able to access and test. Depending on
the amount of installed memory, it may take several minutes to complete the memory test.
NOTE:
The factory-set is defined to hide the POST screen with a full-screen logo. You
can always switch from this logo screen to the POST screen by pressing Tab. To change the
start-up screen, use the BIOS setup utility. (See Chapter 4 for details.)
During the POST, you will see the banner message prompting you to launch the BIOS setup utility stored in ROM on
the mother board or on an installed option board.
Start the BIOS setup utility appropriate to your system environment to change the CMOS Setup. For detailed
explanations on the BIOS setup utility for the server, see Chapter 4. For the BIOS utility for the option board, refer to
the manual that comes with the option board.
IMPORTANT:
Always allow the POST to complete before turning off your system.
Setting Up Your Server 3-11
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