Digital Equipment Prioris XL 6000 Series, Service Maintenance Manual, Page: 139 / 174

Power Up and Boot Sequence
14-2
•
Hard drive
•
Hardware interrupts
•
Set time of day
When completed with no fatal error, the self test generates one short beep to indicate
that the system is ready to boot.
Server Boot Sequence
Bootable CD-ROM
When the CD-ROM is enabled and a bootable CD-ROM is installed, the system will
boot from this CD-ROM.
If the server fails to boot from the CD-ROM, press Ctrl + Alt + Del again, then Ctrl +
A, when prompted, to run the SCSI
Select utility. Enable the
Bootable CD-ROM
and
INT13
lines, exit, and reboot.
Drive A or Drive C
The operating system can be booted from drive A or drive C. You can select which
device is to be booted first using the SCU:
If you choose… Then…
A then C The system searches for drive A to boot the operating
system. If no diskette is in the drive, the system tries to boot
from drive C.
C then A The system searches for drive C to boot the operating
system. If no operating system is found or drive C is not
enabled, the system tries to boot from drive A.
Drive C Assignment
The bootable hard drive is installed either on the EISA bus or the PCI bus. Drive C
assignment depends on which boot device is scanned first. Refer to Boot Devices in
Chapter 8 of the System Reference Manual to determine which device is scanned
first.