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172Bug Firmware
Table 3-3. ENV Command Parameters (Continued)
ENV Parameter and Options
Local SCSI Bus Reset on
3
Debugger Startup [Y/N]
Local SCSI Bus Negotiations
Type [A/S/N]
Industry Pack Reset on Debugger
Startup [Y/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
Auto Boot Default String
[Y(NULL String)/(String)]
ROM Boot Enable [Y/N]
ROM Boot at power-up only
[Y/N]
ROM Boot Enable search of
VMEbus [Y/N]
ROM Boot Abort Delay
ROM Boot Direct Starting
Address
3-12
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Default
Meaning of Default
N
No local SCSI bus reset on debugger startup.
A
Asynchronous negotiations.
Y
IP modules are reset on debugger startup.
Y
Configuration Area (CFGA) Block contents
are disregarded at boot (hard disk only).
N
Auto Boot function is disabled.
Y
Auto Boot is attempted at power-up reset only.
00
Specifies LUN of disk/tape controller module
currently supported by the Bug. Default is $0.
00
Specifies LUN of disk/tape device currently
supported by the Bug. Default is $0.
15
The time in seconds that the Auto Boot
sequence will delay before starting the boot.
The delay gives you the option of stopping the
boot by use of the Break key. The time span is
0-255 seconds.
You may specify a string (filename) to pass on
to the code being booted. Maximum length is
16 characters. Default is the null string.
N
ROMboot function is disabled.
Y
ROMboot is attempted at power-up only.
N
VMEbus address space will not be accessed by
ROMboot.
00
The time in seconds that the ROMboot
sequence will delay before starting the boot.
The delay gives you the option of stopping the
boot by use of the Break key. The time span is
0-255 seconds.
FF800000
First location tested when the Bug searches for
a ROMboot module.
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