Set Environment to Bug/Operating System

Table A-1. ENV Command Parameters (Continued)

ENV Parameter and Options

Default

Meaning of Default

 

 

 

 

 

 

 

VMEC2 GCSR Group Base Address

CC

Specifies the group address

 

 

 

($FFFFXX00) in Short I/O for

 

 

this board. Default = $CC.

 

 

 

VMEC2 GCSR Board Base Address

00

Specifies the base address

 

 

($FFFFCCXX) in Short I/O for

 

 

this board. Default = $00.

 

 

 

VMEbus Global Time Out Code

01

This controls the VMEbus

 

 

timeout when systems

 

 

controller. Default $01 = 64 μs.

 

 

 

Local Bus Time Out Code

00

This controls the local bus

 

 

timeout. Default $00 = 8 μs.

 

 

 

VMEbus Access Time Out Code

02

This controls the local bus to

 

 

VMEbus access timeout. Default

 

 

$02 = 32 ms.

 

 

 

 

The special 166Bug parameters that can be configured using ENV are as follows.

 

 

 

 

VSBC2 Installed [Y/N]

Y

This is set depending on the

 

 

existence of a VSBchip2 on the

 

 

board. It can be overridden with

 

 

this ENV option.

 

 

 

VSBC2 Interrupt Vector Base

0E

Vector passed back to the VSB

 

 

master during the Status/ID

 

 

transfer phase of an interrupt-

 

 

acknowledge cycle, if the

 

 

VSBchip2 wins interrupt

 

 

arbitration. Default = 0E.

 

 

 

VSBC2 Local Interrupt Vector Base

00

The value here is part of the

 

 

interrupt vector supplied on the

 

 

local bus during an interrupt

 

 

acknowledge cycle. The lower 4

 

 

bits are reserved (and are read-

 

 

only, as zeroes). Bits 4 through 7

 

 

are programmable. Default = 00.

 

 

 

VSBC2 Slave Starting Address #1

00000000

Beginning address of an address

 

 

range for the first VSB to local

 

 

bus map decoder. Only the

 

 

upper 16 bits of this field are

 

 

significant (or used). Default =

 

 

00000000.

 

 

 

 

VSBC2 Slave Ending Address #1

00000000

Ending address of an address

 

 

range for the first VSB to local

 

 

bus map decoder. Only the

 

 

upper 16 bits of this field are

 

 

significant (or used). Default =

 

 

00000000.

 

 

 

 

 

A

MVME166IG/D2

A-11

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Motorola MVME166D2, MVME166IG/D2 manual Beginning address of an address
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MVME166IG, MVME166D2, MVME166IG/D2 specifications

The Motorola MVME166IG/D2 is a pioneering embedded computer designed for high-performance applications in industrial and telecom sectors. This versatile computing platform is based on the PowerPC architecture, which ensures efficient processing capabilities and transfer of data, making it suitable for a wide range of applications, including real-time control, data acquisition, and system monitoring.

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In summary, the Motorola MVME166IG/D2 is a powerful, flexible embedded computing solution that excels in performance, modularity, and reliability. Its advanced features and durable design make it an ideal choice for industries that require precision, speed, and robustness in their computing solutions.
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