Introduction IEEE P1386/Draft 2.0 04-APR-1995 Draft Standard for a Common Mezzanine Card Family: CMC Sponsored by the Bus Architecture Standards Committee of the IEEE Computer Society P1386/Draft 2.0 April 4, 1995 Sponsor Ballot Draft Abstract: This draft standard defines the mechanics of a common mezzaninecard family. Mez- zanine cards designed to this draft standard can be usedinterchangeably on VME64 boards, Multibus I boards, Multibus II boards, Futurebus+ modules, desktopcomputers, portable com- puters, servers and other similar types of applications.Mezzanine cards can provide modular front panel I/O, backplane I/O or general function expansion or acombination for host comput- ers. Single wide mezzanine cards are 75 mm wide by 150 mm deep by 8.2 mmhigh. Keywords: Backplane I/O, Bezel, Board, Card, Face Plate, Front Panel I/O,Futurebus+, Host Computer, I/O, Local Bus, Metric, Mezzanine, Module, Modular I/O,Multibus, PCI, SBus, VME, VME64 or VMEbus Copyright (c) 1995 by the The Institute of Electrical and Electronics Engineers, Inc. 345 East 47th Street New York, NY 10017-2394, USA All rights reserved. This is an unapproved draft of a proposed IEEE Standard, subjectto change. Permission is hereby granted for IEEE Standards Committee participants toreproduce this document for pur- poses of IEEE standardization activities. If this document is tobe submitted to ISO or IEC, noti- fication shall be given to the IEEE Copyright Administrator.Permission is also granted for member bodies and technical committees of ISO and IEC toreproduce this document for pur- poses of developing a national position. Other entities seekingpermission to reproduce this document for standardization or other activities, or to reproduceportions of this document for these or other uses must contact the IEEE Standards Department forthe appropriate license. Use of information contained in this unapproved draft is at your own risk. IEEE Standards Department Copyright and Permissions 445 Hoes Lane, P.O. Box 1331 Piscataway, NJ 08855-1331, USA Copyright (c) 1995 IEEE. All rights reserved. i This is an unapproved IEEE Standards Draft, subject to change. Introduction IEEE P1386/Draft 2.0 04-APR-1995 IEEE Standards documents are developed within the TechnicalCommittees of the IEEE Socie- ties and the Standards Coordinating Committees of the IEEEStandards Board. Members of the committees serve voluntarily and without compensation. They arenot necessarily members of the Institute. 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This is an unapproved IEEE Standards Draft, subject to change. Introduction IEEE P1386/Draft 2.0 04-APR-1995 Comments If you have questions or comments regarding this draft, pleasecontact either the chair or draft editor of this proposed standard: Wayne Fischer CMC Chair FORCE COMPUTERS Inc. 2001 Logic Drive San Jose, CA 95124-3456 USA Ph: 408-369-6250 Fx: 408-371-3382 Em: [email protected] David Moore CMC Draft Editor Digital Equipment Corporation 146 Main Street MLO11-4/U32 Maynard, MA 01754-2571 USA Ph: 508-493-2257 Fx: 508-493-0652 Em: [email protected] Introduction (This introduction is not part of IEEE Std P1386-1995, DraftStandard for a Common Mezza- nine Card Family: CMC.) The major goal of this draft standard is to provide the mechanicsof a mezzanine card family that can be deployed on a variety of different host computer platforms.These mezzanine cards can be use to provide front panel I/O, rear panel I/O, additional localhost functions or a combination of the three. The mezzanine card’s local bus can be PCI, SBus orother local buses as they are developed in the future. The second goal of this draft standard is to only have onemezzanine card mechanical definition for a specific type of local bus rather than having multiplemechanical implementations as has happened in the past. Multiple mechanical implementationsfragments the market and destroys economy of scale for manufacturing, engineering, sales andmarketing. A single mechanical definition builds larger markets with many more unique functionsbeing provided for the multi- tude of user applications, and at a lower price. Both thesuppliers and users win by enjoying the benefits of a larger unified market. Special thanks are due to Dave Moore, P1386 Working Group DraftEditor, for the generation of the many drafts, to Eike Waltz for the key mechanical designs ofthe CMC and to Dave Rios on Copyright (c) 1995 IEEE. All rights reserved. iii This is an unapproved IEEE Standards Draft, subject to change. Introduction IEEE P1386/Draft 2.0 04-APR-1995 the connector design. Heinz Horstmeier, Cliff Lupien, HarryParkinson, Rick Spratt, and Chau Pham are also to be thanked for their contribution to development of thisproposed standard. Wayne Fischer, Chair Harry Parkinson, Vice Chair Dave Moore, Draft Technical Editor iv Copyright (c) 1995 IEEE. All rights reserved. This is an unapproved IEEE Standards Draft, subject to change. Introduction IEEE P1386/Draft 2.0 04-APR-1995 The following people voted on this standard for submission to IEEE forsponsor ballot: Malcom Airst Dave Horton Harry Parkinson Harry Andreas Dan Jochym Elwood Parsons James Barnette Anatol Kaganovich Chau Pham Jurgen Baumann Tom Kulesza Dave Rios Martin Blake Jing Kwok John Rynearson Paul Borrill Cees Lambrechtse Richard Spratt Hans Brand Sang Dae Lee Nobuaki Sugiura Dave Brearley Cliff Lupien Dennis Terry Gorky Chin Kristian Martinson Russ Tuck Dick DeBock Robert McKee Jim Turley Ian Dobson Jim Medeiros Mark Vorenkarmp Wayne Fischer Dave Mendenhall Yoshiaki Wakimura Mike Hasenfratz David Moore Eike Waltz Ryuji Hayasaka Rob Noffke Dave Wickliff Roger Hinsdale Joseph Norris Bob Widlicka Heinz Horstmeier Katsuyuki Okada David Wright The following people were on the balloting committee: List to be provided. When the IEEE Standards Board approved this standard on Xxxx xx,1995, it had the following membership: List to be provided. Copyright (c) 1995 IEEE. All rights reserved. v This is an unapproved IEEE Standards Draft, subject to change. Introduction IEEE P1386/Draft 2.0 04-APR-1995 Contents 1 Overview ........................................................................................................................... 1 1.1 Scope ................................................................................................................... 1 1.2 Purpose ................................................................................................................ 1 1.3 General Arrangement .......................................................................................... 1 1.4 Theory of Operation and Usage........................................................................... 5 1.5 Parent-Children Standards ................................................................................... 5 1.6 Conformance ....................................................................................................... 5 1.7 Dimensions .........................................................................................................