Would it be possible to share what you have discovered with intrested
parties on this list. Me being one.

Janusz J. Mlodzianowski wrote:
>
> Sorry, but this is slightly off topic.
> There has been some discussion about interfacing IDE HDD to a PIC.
> I have a reverse problem. I would like to use  PC/AT IDE hardware
> as a general purpose I/O interface. This in itself is not difficult.
> All I/O addresses (1Fxx and 3Fxx) are easily accessible. What I really
> want is a coexistence of my peripherial and an IDE disk (..).
> While reading the description of IDE registers I have found that bit2
> from control register 3F6 disables the drive (puts drive into software
> reset). This bit could be then used to enable my interface.
> I have made some experiments with my old Maxtor (40MB) drive. All seems
> to work OK.
> Has anyone of you tried similar apprach and with what results?
> Thanks for help,
> Janusz.

Nino.
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