B-
6
Service Manual
Table B–2 Environment Variables (Continued)
Variable
Attribute
Function
boot_reset
Non-
volatile
Resets system and displays self-test results during
booting. Default value is
off
.
console
Non-
volatile
The type of terminal being used for the console,
either
serial
(default) for a standard video
terminal or
graphics
for a graphics display. If
the terminal is a graphics display, the system
must have a PCI with a standard I/O module and
a TGA graphics controller. If that hardware is not
available, the variable remains set to
serial
.
cpu
Volatile
Selects the current boot processor.
cpu_enabled
Non-
volatile
A bitmask indicating which processors are enabled
to run (leave console mode). Default is
0xffff
.
cpu_primary
Non-
volatile
A bitmask indicating which processors are enabled
to become the next boot processor, following the
next reset. Default is
0xffff
.
d_harderr
Volatile
Determines action taken following a hard error.
Values are
halt
(default) and
continue
. Applies
only when using the
test
command.
d_report
Volatile
Determines level of information provided by the
diagnostic reports. Values are
summary
and
full
(default). Applies only when using the
test
command.
d_softerr
Volatile
Determines action taken following a soft error.
Values are
continue
(default) and
halt
. Applies
only when using the
test
command
dump_dev
Non-
volatile
Device to which dump file is written if system
crashes, if supported by the operating system.