System-Defined Environment Variables - Compaq AlphaPC 164LX User Manual

Environment Variables for Alpha SRM Console Commands

7.3.1.2 System-Defined Environment Variables

The following table shows common Alpha SRM Console system-defined
environment variables and their descriptions. For a complete list, enter show * at
the Alpha SRM Console prompt.
System-Defined
Environment Variable
console
control_scsi_term
ewa0_mode
os_type
pci_parity
oem_string
Alpha SRM Console Firmware
7–20
Description
When used with the set command, this variable modifies
the console output to either the serial port or the graphics
controller.
This variable is unused in the motherboard system.
This variable determines if the AUI (ThinWire) or the
twisted-pair Ethernet ports will be enabled. AUI is the
default. (Autosensing is not supported.)
When used with the set or show command, this variable
modifies or displays the specified firmware that will be
loaded on the next power cycle. Specify the value osf or
UNIX to select the Alpha SRM Console.
This variable controls PCI parity checking. The possible
values are:
= Parity checking is enabled.
on
= Parity checking is disabled; this is the
off
default.
sniff = Parity checking is enabled or disabled
depending on the PCI device.
When used with the set or show command, this variable
modifies or displays a text string that identifies the product
name in the Alpha SRM Console banner.