Hard drive cable question -
Mike McCarty
mike.mccarty at sbcglobal.net
Fri Feb 24 18:32:33 UTC 2006
Carroll Grigsby wrote:
> Mike McCarty wrote:
>
>> Carroll Grigsby wrote:
>
>
> >>> snip
>
>>> It's left as an exercise for the reader to dissect a cable and settle
>>> the crossover/straight-through/termination questions. My eyes are too
>>> old for that kind of crap -- especially at this hour.
>>
>>
>>
>> All one really needs to do is read the spec.
>
>
> Mike:
> Having started in the pre-CP/M era, I've always been skeptical about how
> faithful manufacturers are in honoring specifications. (I've got a box
> full of old RS232 cables and adapters. No two of them are identical.)
> -- cmg
Well, Recommended Standard 232 was one of those which had
much more in it than most people needed, so a lot of the
pins got hijacked. It was the Standard people loved to
violate. A disc drive interface is (1) less generally
useful and (2) less amenable to hijacking for other
purposes.
Mike
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