Operating instructions

Table 5–6 summarizes the most commonly used SRM environment variables.
These environment variables are described in the following pages.
NOTE: The environment variables for setting boot options are described in
Chapter 3, Booting and Installing an Operating System.
Table 5–6 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_file
Specifies a default file name to be used for booting when
no file name is specified by the boot command.
boot_osflags
Specifies the default operating system boot flags.
com1_baud
Sets the baud rate of the internal COM1 serial inter-
face.
com2_baud
Sets the default baud rate of the COM2 serial port.
console
Specifies the device on which power-up output is dis-
played (serial terminal or VGA monitor).
cpu_enabled
Enables or disables a specific secondary CPU.
eg*0_mode
Specifies the connection type of the default Ethernet
ei*0_mode
controller.
ew*0_mode
eg*0_protocols
Specifies network protocols for booting over the
ei*0_protocols
Ethernet controller.
ew*0_protocols
5-48 DS25 Owner’s Guide