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The parameters to be configured are listed in the following table:
ENV Parameter and Options
Bug or System environment [B/S]
Field Service Menu Enable [Y/N]
Remote Start Method Switch [G/M/B/N]
Probe System for Supported I/O Controllers [Y/N]
Negate VMEbus SYSFAIL* Always [Y/N]
Local SCSI Bus Reset on Debugger Startup [Y/N]
Local SCSI Bus Negotiations Type [A/S/N]
Ignore CFGA Block on a Hard Disk Boot [Y/N]
Auto Boot Enable [Y/N]
Auto Boot at power-up only [Y/N]
Auto Boot Controller LUN
Auto Boot Device LUN
Auto Boot Abort Delay
MVME166IG/D2
Set Environment to Bug/Operating System
Table A-1. ENV Command Parameters
Default
Meaning of Default
S
System mode
Y
Display field service menu.
B
Use both the Global Control and
Status Register (GCSR) in the
VMEchip2, and the
Multiprocessor Control Register
(MPCR) in shared RAM,
methods to pass and start
execution of cross-loaded
program.
Y
Accesses will be made to
VMEbus to determine presence
of supported controllers.
N
Negate VMEbus SYSFAIL after
successful completion or
entrance into the bug command
monitor.
N
Local SCSI bus is not reset on
debugger startup.
A
Asynchronous
Y
Enable the ignorance of the
Configuration Area (CFGA)
Block (hard disk only)
N
Auto Boot function is disabled.
Y
Auto Boot is attempted at power
up reset only.
00
LUN of a disk/tape controller
module currently supported by
the Bug. Default is $0.
00
LUN of a disk/tape device
currently supported by the Bug.
Default is $0.
15
This is the time in seconds that
the Auto Boot sequence will
delay before starting the boot.
The purpose for the delay is to
allow you the option of stopping
the boot by use of the Break key.
The time value is from 0 through
255 seconds.
A
A-3
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