rcsmith@anagld.UUCP (Ray Smith) (11/16/89)
I have heard that there was an adapter for connecting a Multibus I and a VME
bus. I was wondering if there was one to connect a Multibus II to a VME??
Also, in general how do these things work? I don't have a much of a hardware
background so if you can keep it in easy terms I would appreciate it.
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Ray Smith | UUCP: {uunet,aplcen,sundc}!anagld!rcsmith
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=mmm@cup.portal.com (Mark Robert Thorson) (11/21/89)
I imagine that Multibus II <-> VME compatibility would require a little more work than just buying a converter. Multibus II is not a normal bus. For one thing, a Multibus II board expects the backplane to have a thing called a Central Services Module to handle some system configuration issues. For another, Multibus II implements a rather complex message-passing protocol, in addition to normal master-mode and slave-mode cycles. If all you want is to talk to VME using the latter, a converter might be all you need. On the other hand, if you want to convert the message-passing protocol into VME cycles (or vice versa), I'll bet you'll have to rewrite some firmware on either your Multibus board or your converter.