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•
Press <Esc> to view POST diagnostic messages and change the boot device priority for this
boot only.
•
Press <F12> to perform a network boot.
3. If you do NOT make one of the above selections and do NOT have a device with an operating
system loaded, the boot process continues and the system beeps once. The following message is
displayed:
Operating System not found
What appears on the screen after this depends on whether you have an operating system loaded and
if so, which one.
If the system halts before POST completes running, it emits a beep code indicating a fatal system
error that requires immediate attention. If POST can display a message on the video display screen,
it causes the speaker to beep twice as the message appears.
Write down both the screen display and the beep code you hear; this information is useful for your
service representative. For a listing of common beep codes and error messages that POST can
generate, see Chapter 7, "Technical Reference," in this manual.
Temporarily Changing the Boot Device Priority
During POST, you can change the boot device priority for the current boot process. The changes
are not saved for the next boot process.
1. Boot the server.
2. At any time during POST, press <Esc>. When POST completes, a popup Boot menu displays.
3. Use the arrow keys to highlight the device you want the server system to boot from first. For
example, if you want the server system to boot from the CD-ROM first, then select "ATAPI CD-
ROM Drive."
NOTE
If you boot to a CD-ROM, make sure the CD is in the CD drive before
selecting. One of the options on the popup Boot menu is "Enter Setup."
Selecting this option brings you into the BIOS Setup.
4. Press <Enter> and the boot process continues.
The Adaptec SCSISelect Utility
Each host adapter includes an onboard SCSISelect configuration utility that allows you to
configure/view the settings of the host adapter and devices in the server.
The system finds the Adaptec* AIC-7902 SCSI host adapter and displays the message Adaptec*
AIC-7902 SCSI BIOS V x.xxx where x.xxx is the version number of the SCSISelect utility.
Pressing <Ctrl+A> at this time allows you to configure the Adaptec* AIC-7902 SCSI host adapter.
When to Run the Adaptec SCSISelect Utility
Use the SCSISelect utility to:
•
Change default values
•
Check and/or change SCSI device settings that may conflict with those of other devices in the
server
•
Do a low-level format on SCSI devices installed in the server
36
POST and BIOS Setup Utilities
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