A

Configure and Environment Commands

Table A-1. ENV Command Parameters (Continued)

ENV Parameter and Options

Default

Meaning of Default

 

 

 

 

 

 

 

Auto Boot Default String [Y(NULL String)/(String)]

 

You may specify a string

 

 

 

(filename) 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 power

 

 

up only.

 

 

 

ROM Boot Enable search of VMEbus [Y/N]

N

VMEbus address space will not

 

 

be accessed by ROMboot.

 

 

 

ROM Boot Abort Delay

00

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.

 

 

 

Network Auto Boot Controller LUN

00

LUN of a disk/tape controller

 

 

module currently supported by

 

 

the Bug. Default is $0.

 

 

 

Network Auto Boot Device LUN

00

LUN of a disk/tape device

 

 

currently supported by the Bug.

 

 

Default is $0.

 

 

 

Network Auto Boot Abort Delay

5

This is the time in seconds that

 

 

the Network 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-4

MVME166 Single Board Computer Installation Guide

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Motorola MVME166IG/D2 manual Configure and Environment Commands

MVME166IG/D2 specifications

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