Motorola MVME187 User Manual

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Setting Environment to Bug/Operating System
A-5
A
Auto Boot Abort Delay
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. 
Auto Boot Default String [NULL 
for an empty string]
Null
You may specify a string (Þlename) 
which is passed on to the code being 
booted. Maximum length is 16 
characters. Default is the null string. 
ROM Boot Enable [Y/N]
N
ROMboot function is disabled.
ROM Boot at power-up only 
[Y/N]
Y
ROMboot is attempted at powerup 
only. 
ROM Boot Enable search of 
VMEbus [Y/N]
N
VMEbus address space will not be 
accessed by ROMboot. 
ROM Boot Abort Delay
0
This is the time in seconds that the 
ROMboot 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. 
ROM Boot Direct Starting 
Address
FF800000
First location tested when the Bug 
searches for a ROMboot Module. 
ROM Boot Direct Ending Address
FFBFFFFC Last location tested when the Bug 
searches for a ROMboot Module. 
Network Auto Boot Enable [Y/N]
N
Network Auto Boot function is 
disabled. 
Network Auto Boot at power-up 
only [Y/N]
Y
Network Auto Boot is attempted at 
power-up reset only. 
Table A-1.  ENV Command Parameters (Continued)
ENV Parameter and Options
Default
Meaning of Default