Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!cs.utexas.edu!uunet!mcvax!hp4nl!botter!klipper.cs.vu.nl!rcwlobe
From: rcwlobe@klipper.cs.vu.nl (Reg Lobee)
Newsgroups: comp.sys.cbm
Subject: Re: 6551 interfacing
Message-ID: <2284@botter.cs.vu.nl>
Date: 22 May 89 12:21:46 GMT
References: <5944@cs.Buffalo.EDU> <6925@cbmvax.UUCP>
Sender: news@cs.vu.nl
Lines: 13

In article <6925@cbmvax.UUCP>, daveh@cbmvax.UUCP (Dave Haynie) writes:
> I suspect that you're having setup time problems.  Basically, you can't
> just hook a 6526 up to the expansion bus and expect it to work OK.  The
> chip select and addresses must be valid at least 90ns before the PHI2
> clock goes high.

I have connected an 6526 directly to my computer and it works like
a charm. I use it as an I/O cartridge without any problems so far.

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