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POST Execution Flow
The following describes the progress of POST in the chronological order.
IMPORTANT:
Do not make key entries or perform mouse operations while POST
is in progress.
Some system configurations may display the message "Press Any
Key" to prompt a key entry. This message is driven by BIOS of an
installed optional board. Make sure to read the manual that comes
with the optional board before any key entry.
Powering on the server, after you installed or removed an optional
PCI board or moved it to another slot, may display the message that
indicates incorrect board configuration and suspend POST.
In such a case, press F1 to continue POST. Board configuration
can be made using the utility described later.
1.
After a few seconds from power-on, POST starts checking the memory. The count
message of the basic and expansion memory appears at top left on the display unit screen.
The memory check may takes a few minutes to complete depending on the memory size
of the server. Also, it may take approximately one minute for the screen display to
appear after rebooting the server.
2.
Some messages appear upon completion of the memory check. These messages appear
to indicate that the system has detected the CPU, keyboard, and mouse.
3.
POST then detects the internal SCSI controller and display the message prompting you to
launch the SCSI device utility. (Ignore the message. POST will automatically proceed
a few seconds later.)
Press <Ctrl> <A> for SCSISelect(TM) Utility!
To launch the SCSI device utility, press Ctrl and A. See Chapter 4 for setup and
parameters.
You need to use the SCSI device utility in the following cases:
When new SCSI device is installed in a 5.25-inch device bay.
When an external SCSI device connection is changed.
When the internal SCSI device connection is changed.
When the internal hard disk drives are configured with HostRAID.
The server automatically restarts POST all over again when you exit the SCSI device
utility.
If more than one SCSI controller board is installed on the PCI bus of the server, the
system detects the boot devices in order of the PCI slots 1C and 1B.
General Description 2-33
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Table of Contents
Troubleshooting
