APPENDIX A

OpenBoot Configuration Variables

TABLE A-1describes 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-1OpenBoot Configuration Variables Stored on the System Configuration Card

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, include 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, use custom OEM logo; otherwise,

 

 

 

use the server manufacturer’s logo.

oem-banner?

true, false

false

If true, use 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.

 

 

 

 

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