On Sun, 31 Oct 2010 11:57:27 -0700 Nate Lawson <nate@root.org> wrote: > We have been doing some robustness testing of the ZoomFloppy board. It > uses a 7406 for driving the lines in order to be able to sink a decent > amount of current to support multiple IEC devices on the bus. > > http://www.root.org/~nate/c64/xum1541/ > > What is the defined worst-case IEC bus configuration that we should > support? I'd like a reasonable limit we can support while not adding too > much delay for users of one or two drives. I'd say 6 devices is reasonable, but if the amount of delay doesn't increase all that quickly with the number of devices you're willing to deal with, go for something that no one in the real world is likely to ever actually exceed - perhaps 8 or so. -- "There are some things in life worth obsessing over. Most things aren't, and when you learn that, life improves." http://starbase.globalpc.net/~ezekowitz Vanessa Ezekowitz <vanessaezekowitz@gmail.com> Message was sent through the cbm-hackers mailing listReceived on 2010-10-31 20:00:03
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