cctech Digest, Vol 78, Issue 3
mcguire at neurotica.com
Fri Feb 5 16:17:56 CST 2010
On Feb 5, 2010, at 5:14 PM, Chuck Guzis wrote:
>> 8255s are frequently used to interface to IDE drives, and mode
>> switching is required in that application, and it does get in the
>> way. Mostly people have dealt with it by using inverters on some of
>> the lines.
> Really? I don't think I've seen a single piece of modern gear made
> in the last 10 years that uses an 8255 to interface to an IDE drive.
> They do have specialized chips to do that...
> If it's the hobbyist clan, well, that's a different matter.
The SBC6120 comes to mind. Considering the number of units sold
and the level of commercialization of the whole deal, I'm not sure
I'd consider it "hobbyist clan".
> I'd think even a small CPLD would do a better job.
That's what I'd have done on that board.
Port Charlotte, FL
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