Environment Variables; Table A-6 Environmental Variables - Digital Equipment AlphaStation 500 Series User Information

Console Commands

Environment Variables

Table A-6 shows selected environment variables and their descriptions. For a complete
list, type show * at the SRM prompt.

Table A-6 Environmental Variables

Variable
auto_action
boot_file
boot_osflags
bootdef_dev
console
os_type
pci_parity
A-16 AlphaStation 500 Series User Information
Description
Sets/shows the console action following an error, halt, or power-
cycle. 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
file name. 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.
Sets/shows the default device or device list from which the
system will attempt to boot. If the system software is preloaded,
the variable is preset to point to the device containing the
preloaded software. Otherwise, the default value is null.
Sets the console output to either serial port or the graphics
controller.
Sets/shows the specified operating system (NT, OpenVMS, or
Digital UNIX) that nonvolatile random-access memory
(NVRAM) will boot.
Controls PCI parity checking at the PCI bridge chip. Parity
checking is performed if on, disabled if off, and dependent on
the SCSI controller revision.