Set Environment to Bug/Operating System

Table A-1. ENV Command Parameters (Continued)

ENV Parameter and Options

Default

Meaning of Default

 

 

 

 

 

 

 

Size of Local Memory Board #0

02000000

You are prompted twice, once

 

Size of Local Memory Board #1

00000000

for each possible MVME166

 

 

memory board. Default is the

 

 

calculated size of the memory

 

 

board.

 

 

 

 

Slave address decoders setup. The slave address decoders are use to allow another VMEbus master to access a local resource of the MVME166. There are two slave address decoders set. They are set up as follows.

Slave Enable #1 [Y/N]

Y

Yes, Setup and enable the Slave

 

 

Address Decoder #1.

 

 

 

Slave Starting Address #1

00000000

Base address of the local

 

 

resource that is accessible by the

 

 

VMEbus. Default is the base of

 

 

local memory, $0.

 

 

 

Slave Ending Address #1

01FFFFFF

Ending address of the local

 

 

resource that is accessible by the

 

 

VMEbus. Default is the end of

 

 

calculated memory.

 

 

 

Slave Address Translation Address #1

00000000

This register will allow the

 

 

VMEbus address and the local

 

 

address to be different. The

 

 

value in this register is the base

 

 

address of local resource that is

 

 

associated with the starting and

 

 

ending address selection from

 

 

the previous questions. Default

 

 

is 0.

 

 

 

Slave Address Translation Select #1

00000000

This register defines which bits

 

 

of the address are significant. A

 

 

logical one "1" indicates

 

 

significant address bits, logical

 

 

zero "0" is non-significant.

 

 

Default is 0.

 

 

 

Slave Control #1

03FF

Defines the access restriction for

 

 

the address space defined with

 

 

this slave address decoder.

 

 

Default is $03FF.

 

 

 

Slave Enable #2 [Y/N]

Y

Yes, Setup and enable the Slave

 

 

Address Decoder #2.

 

 

 

A

MVME166IG/D2

A-7

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Motorola MVME166IG/D2, MVME166D2 manual Base address of the local

MVME166IG, MVME166D2, MVME166IG/D2 specifications

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