IDE knowledge anyone?
elson at pico-systems.com
Sun Dec 6 15:10:40 CST 2015
On 12/06/2015 02:57 PM, Oliver Lehmann wrote:
> I've built a Harddisk-Controller-Emulator for my system
> which accesses
> a IDE (PATA) harddisk with an ATMega in PIO mode. It works
> like a charm
> except for one WD harddisk. The harddisk itself works fine
> with MS-DOS
> 6.22 and FreeBSD but refuses to work with my ATMega.
> On reading or writing a sector, right after the command is
> issued, the
> error bit is set in the status register, and the error
> register indicates
> an ABRT.
I don't have any specific knowledge of this, but it has to
be a timing problem.
Something about the timing of the command signals is just
different enough that the drive thinks this is wrong. Sorry
I can't give more specific help.
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