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APPENDIX
A
OpenBoot Configuration Variables
TABLE A-1 describes the OpenBoot firmware configuration variables stored in non-
volatile memory on the system. The OpenBoot configuration variables are printed
here in the order in which they appear when you issue the showenv command.
TABLE A-1 OpenBoot Configuration Variables Stored on the System Processor
Variable Possible Values Default Value Description
local-mac-address? true, false true If true, network drivers use their own
MAC address, not the server MAC
address.
fcode-debug? true, false false If true, includes name fields for plug-in
device FCodes.
scsi-initiator-id 0-15 7 SCSI ID of the Serial Attached SCSI
controller.
oem-logo? true, false false If true, uses custom OEM logo; otherwise,
use Sun logo.
oem-banner? true, false false If true, uses custom OEM banner.
ansi-terminal? true, false true If true, enables ANSI terminal emulation.
screen-#columns 0-n 80 Sets number of columns on screen.
screen-#rows 0-n 34 Sets number of rows on screen.
ttya-rts-dtr-off true, false false If true, operating system does not assert
rts (request-to-send) and dtr
(data-transfer-ready)on serial management
port.
ttya-ignore-cd true, false true If true, operating system ignores carrier-
detect on serial management port.
