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Configuration software and utilities BIOS Setup
5.3 BIOS Setup
This section describes the options available for BIOS Setup. Use Setup to
change the default system parameters. You can run BIOS Setup with and without
the installed operating system. Setup stores most of the configuration values in
battery-backed CMOS; the rest of the configuration is stored in flash memory.
The configuration takes effect when you boot the system. POST uses these
values to configure the hardware. If the values and the actual hardware do not
match, POST generates an error message. You must then run BIOS Setup to
correct the configuration.
You can use BIOS Setup to change default settings such as:
– Select floppy disk drive
– Select parallel port
– Select serial port
– Set time/date (is stored in RTC)
– Configure IDE disk drive
– Specify boot sequence
– Enable SCSI BIOS
Recording Setup settings
Record your Setup settings in a list. If the default values ever need to be
restored (after a CMOS clear, for example), you must run Setup again. The
information in the list could make your task easier.
You cannot call BIOS Setup
If the floppy disk drive is incorrectly configured and you cannot start BIOS Setup
from the floppy disk, you may have to clear CMOS memory. To do this you have
to change the switch setting on the I/O board (see the section “Configuring the
server and components” on page 38).
Afterwards run BIOS Setup to check and change the settings for the floppy disk
drive, and then return the switch to its original position.