Configuration Variables; D.8 Configuration Variables - Sun Microsystems SPARCengine Ultra AXi Technical Manual

D.8

Configuration Variables

Configuration variables are used by the OBP code and are stored in NVRAM. The
following is a sample of the output when the printenv command is entered at the
ok prompt. The setenv command is used to modify the environment variables
TABLE D-2
Parameter
tpe-link-test?
scsi-initiator-id
keyboard-click?
keymap
ttyb-rts-dtr-off
ttyb-ignore-cd
ttya-rts-dtr-off
ttya-ignore-cd
ttyb-mode
ttya-mode
pcia-probe-list
pcib-probe-list
mfg-mode
diag-level
#power-cycles
system-board-serial#
system-board-date
last-poweroff-cause
env-monitor
fcode-debug?
output-device
input-device
load-base
boot-command
auto-boot?
watchdog-reboot?
diag-file
diag-device
NVRAM Configuration Variables
Default Description
Twisted Pair Ethernet link test
true
SCSI bus address of host adapter, range 0-f.
7
If true, enable keyboard click.
false
Keymap for custom keyboard.
no default
If true, OS does not assert DTR and runs on TTYB.
false
If true, OS ignores TTYB carrier-detect.
true
If true, OS does not assert DTR and runs on TTYA.
false
If true, OS ignores TTYA carrier-detect.
true
9600,8,n,1,- TTYB (baud, #bits, parity, #stop, handshake).
9600,8,n,1,- TTYA (baud, #bits, parity, #stop, handshake).
See Para F.12
1,2,3,4
See Para F.12
1,2,3,4
off
Level of diagnostics to run (min or max).
max
34883686
0,1,2,3 etc. ASM. See Para F.2.3
ASM (enabled-with-fans, enabled, disabled,
disabled*
disabled*). See Para F.16
If true, include name fields for plug-in device FCodes.
false
Console output device (usually screen, ttya or ttyb).
screen
Console input device (usually keyboard, ttya or ttyb).
keyboard
16384
Command that is executed if auto-boot? is true.
boot
If true, boot automatically after power-on reset.
true
If true, reboot after watchdog reset.
false
empty string File from which to boot in diagnostic mode.
Device from which to boot.
disk net
Appendix D OpenBoot Firmware D-9