Environment Variables; Table 3-9: Srm Environment Variables - HP Digital AlphaStation 255 Family User Information

Configuring Your System

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
auto_action
boot_file
boot_osflags
bootdef_dev
bus_probe_algorithm
console
control_scsi_term
ewa0_inet_init
ewa0_mode
3–18
Description
Sets/shows the console action following an error, halt, or power-up.
The action can be halt, boot, or restart. Halt is the default.
Sets/shows the file name to be used when a bootstrap requires a
filename. The default setting is null.
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
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.
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.
Sets the console output to either serial port or the graphics
controller.
Unused in the Digital AlphaStation 255 system.
Allows network booting operations. (In this case, possible values
are BOOTP or MOP.)
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.)