HP Digital AlphaStation 255 Family - Environment Variables; Table 3-9: SRM Environment Variables

Configuring Your System
3–18
Environment Variables
Table 3-9 shows selected environment variables and their descriptions (for a complete list,
type show * at the SRM prompt).
Table 3-9: SRM Environment Variables
Variable Description
auto_action
Sets/shows the console action following an error, halt, or power-up.
The action can be
halt
,
boot
, or
restart
. Halt is the default.
boot_file
Sets/shows the file name to be used when a bootstrap requires a
filename. The default setting is null.
boot_osflags
Sets/shows additional parameters to be passed to system software.
When using OpenVMS software, these parameters are the system
root number and boot flags. The default setting is
0,0
.
When using Digital UNIX software, the following parameters are
valid:
i
= interactive boot
s
= boot to single user
a
= autoboot to multiuser
bootdef_dev
Sets/shows the default device or device list from which the system
will attempt to boot. If the system software is pre-loaded, the
variable is preset to point to the device containing the pre-loaded
software. Otherwise, the default value is null.
bus_probe_algorithm
Selects which method the firmware uses to probe the PCI bus for
PCI devices during initialization. Possible values are
new
and
old.
The default is new.
console
Sets the console output to either
serial
port or the
graphics
controller.
control_scsi_term
Unused in the Digital AlphaStation 255 system.
ewa0_inet_init
Allows network booting operations. (In this case, possible values
are
BOOTP
or
MOP.
)
ewa0_mode
Selects which Ethernet port to use:
AUI
(ThinWire);
twisted-pair;
Full Duplex, twisted-pair; BNC; Fast
(for Fast Ethernet
controllers); or
FastFD
(for Fast Ethernet controllers that support
Full Duplex). AUI is the default. (Auto-sensing is not supported.)