Summary of changes, Introduction, Appendix a – Motorola MVME1X7P User Manual
Page 287: Appendix a, summary of changes, Asummary of changes
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A-1
A
Summary of Changes
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
(MVME167).
DRAM with ECC protection
(MVME177).
SDRAM with ECC protection (page
1-2
).
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.