Motorola MVME1X7P manual Table A-1. List of Changes

Models: MVME1X7P

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ASummary of Changes

A

Introduction

This appendix summarizes the modifications that accompanied the introduction of the Petra ASIC on the MVME167P and MVME177P single-board computers. Differences in function and implementation between previous MVME167 and MVME177 models and the new MVME1x7P boards are listed in the following table..

Table A-1. List of Changes

Function

Previous Implementation

MVME1x2P2 Implementation

 

 

 

MCECC memory control

MCECC ASIC, revision 00.

Petra ASIC, revision 02 (page 3-12).

 

 

 

DRAM

DRAM with parity or ECC protection

SDRAM with ECC protection (page

 

(MVME167).

1-2).

 

DRAM with ECC protection

 

 

(MVME177).

 

 

 

 

Ethernet interface

N82C501AD device.

LXT901 device (software-

 

 

transparent)

 

 

 

EEPROM sockets

Through-hole 44-pin PLCC.

Surface-mount 44-pin PLCC.

 

 

 

Serial interface

MC14506 device.

MAX211E device.

 

 

 

Real-time clock

M48T08 device.

M48T58 device.

 

 

 

LEDs

Through-hole, wave soldered.

Surface mount, with light pipes.

 

 

 

SRAM battery

Through-hole, dual battery.

Surface mount holder.

 

 

 

A-1

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Image 287
Motorola MVME1X7P manual Table A-1. List of Changes, Function Previous Implementation MVME1x2P2 Implementation