IDE knowledge anyone?

[Oliver Lehmann]

Answering your other notes now - sorry for skipping them in my earlier
mail ;)


Chuck Guzis <cclist at sydex.com> wrote:

> On 12/10/2015 12:21 PM, Oliver Lehmann wrote:
>
>> right - This is what I do in the code - I was writing "from memory".
>
> Just going by what you write...BTW, what are you using as a reference?

I've used ftp://ftp.seagate.com/acrobat/reference/111-1c.pdf a lot.
Also other IDE implementations on ATMegas.



> PATA-6 is sort of a kludge supported by double-writing (MSB first)  
> to each of the address registers without any intervening access to  
> any other register.  Intel employs this sort of thing on their older  
> 8-bit peripheral support chips.

OK - but those drives should also work on non-PATA-6 systems but with
reduced capacity - right?

Oliver