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From: aaron@cbnewsh.ATT.COM (aaron.michael.chesir)
Newsgroups: comp.org.ieee,biz.comp.hardware,comp.misc,comp.sys.misc
Subject: Question about popular microprocessor busses
Keywords: microprocessor bus smart-cards addressing identification
Message-ID: <9047@cbnewsh.ATT.COM>
Date: 20 Mar 90 15:48:02 GMT
Organization: AT&T Bell Laboratories
Lines: 34


Folks,
	I am considering the various popular microprocessor busses for a
system wherein I have multiple smart cards sitting on a bus. Is it totally
necessary for me to need base address jumpers on each of the cards for a
main processor card (i.e. in slot 0 of the bus) to be able to distinguish
and uniquely address the shared memory on the individual identical cards ?
Is there an industry-standard bus that has some automatic "slot ID" function?
All responses would be greatly appreciated.

The busses I currently know about and am considering are:
VME
Multibus
Multibus II
Futurebus (+)
PC bus
AT bus
MicroChannel
NuBus




PLEASE respond by e-mail.



Thanx!


Aaron Michael Chesir
AT&T Bell Laboratories
Room HO3C206
..att!twitch!aaron