Compaq AlphaServer DS20E Reference Manual page 87

The syntax is:
set bootdef_dev boot_device
boot_device
Example
In this example, two boot devices are specified. The system will try booting
from dkb0 and, if unsuccessful, will boot from dka0.
P00>>> set bootdef_dev dkb0, dka0
NOTE: When you set the bootdef_dev environment variable, it is recommended that you
set the operating system boot parameters as well, using the set boot_osflags command.
boot_file
The boot_file environment variable specifies the default file name to be used
for booting when no file name is specified by the boot command.
The syntax is:
set boot_file filename
Example
In this example, a boot file is specified for booting OpenVMS from the
InfoServer. APB_0712 is the file name of the APB program used for the
initial system load (ISL) boot program.
P00>>> set boot_file apb_0712
Compaq Confidential – Need to Know Required
Writer: Robert Young Project: Compaq AlphaServer DS20E System Comments:
Part Number: FR-K8F6W-UA .A01 File Name: e-ch4 Operating the System.doc Last Saved On: 10/4/99 2:40 PM
Booting and Installing an Operating System 4-3
The name of the device on which the system software has been
loaded. To specify more than one device, separate the names with
commas.