A

Configure and Environment Commands

Table A-1. ENV Command Parameters (Continued)

ENV Parameter and Options

Default

Meaning of Default

 

 

 

 

 

 

 

VSBC2 Slave Address Offset #1

00000000

Address offset for the first VSB

 

 

 

to local bus map decoder. The

 

 

upper 16 bits of this field will be

 

 

added to the upper 16 bits of the

 

 

VSB address received. This sum

 

 

is then the address driven onto

 

 

the local bus address lines.

 

 

Default = 00000000.

 

 

 

VSBC2 Slave Attributes #1

0400

The bits in this register control

 

 

various aspects of how the first

 

 

VSB to local bus map decoder

 

 

will operate. Consult the

 

 

VSBchip2 register definition in

 

 

the MVME166 programmer’s

 

 

reference guide for an

 

 

explanation of each bit. Default

 

 

= 0400.

 

 

 

 

VSBC2 Slave Starting Address #2

00000000

Beginning address of an address

 

 

range for the second VSB to local

 

 

bus map decoder. Only the

 

 

upper 16 bits of this field are

 

 

significant (or used). Default =

 

 

00000000.

 

 

 

 

VSBC2 Slave Ending Address #2

00000000

Ending address of an address

 

 

range for the second VSB to local

 

 

bus map decoder. Only the

 

 

upper 16 bits of this field are

 

 

significant (or used). Default =

 

 

00000000.

 

 

 

 

VSBC2 Slave Address Offset #2

00000000

Address offset for the second

 

 

VSB to local bus map decoder.

 

 

The upper 16 bits of this field

 

 

will be added to the upper 16

 

 

bits of the VSB address received.

 

 

This sum is then the address

 

 

driven onto the local bus address

 

 

lines. Default = 00000000.

 

 

 

VSBC2 Slave Attributes #2

0400

The bits in this register control

 

 

various aspects of how the

 

 

second VSB to local bus map

 

 

decoder will operate. Consult

 

 

the VSBchip2 register definition

 

 

in the MVME166 programmer’s

 

 

reference guide for an

 

 

explanation of each bit. Default

 

 

= 0400.

 

 

 

 

 

A-12

MVME166 Single Board Computer Installation Guide

Page 103 Page 105
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Image 104
Motorola MVME166IG/D2, MVME166D2 manual VSBC2 Slave Address Offset #1
Page 103 Page 105

MVME166IG, MVME166D2, MVME166IG/D2 specifications

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