On Sun, 31 Oct 2010, Vanessa Ezekowitz wrote: > On Sun, 31 Oct 2010 11:57:27 -0700 > Nate Lawson <firstname.lastname@example.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. Isn't six the max? Four drives (8,9,10,11) and two printers (4 and 5). g. -- Proud owner of F-15C 80-0007 http://www.f15sim.com - The only one of its kind. http://www.simpits.org/geneb - The Me-109F/X Project ScarletDME - The red hot Data Management Environment A Multi-Value database for the masses, not the classes. http://www.scarletdme.org - Get it _today_! Political correctness is a doctrine, fostered by a delusional, illogical minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end. Message was sent through the cbm-hackers mailing listReceived on 2010-10-31 20:00:21
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