2-38 DS10 Console Reference
2.19
Environment Variable Summary
Environment variables pass configuration information between
the console and the operating system. Their settings determine
how the system powers up, boots the operating system, and
operates. Environment variables are set or changed with the set
envar command and returned to their default values with the
clear envar command. Their values are viewed with the show
envar command.
Table 2–6 lists the environment variables. Detailed descriptions follow. The
environment variables are specific to the SRM console.
Table 2–6 Environment Variable Summary
Environment Variable Function
auto_action
Specifies the console’s action at power-up, a failure,
or a reset.
bootdef_dev
Specifies the default boot device string.
boot_osflags
Specifies the default operating system boot flags.
com*_baud
Changes the default baud rate of the COM1 or COM2
serial port.
console
Specifies the device on which power-up output is
displayed (serial terminal or graphics monitor).
cpu_enabled
Enables or disables a specific secondary CPU.
ew*0_mode
Specifies the connection type of the default Ethernet
controller.
ew*0_protocols
Specifies network protocols for booting over the
Ethernet controller.
kbd_hardware_
type
Specifies the default console keyboard type.
language
Specifies the console keyboard layout.
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