piix4 fails to reset? (ticket #1078)

[Joe Drew]

On Thu, 2002-12-19 at 16:31, Philip Edelbrock wrote:
> Humm, I don't suppose you can connect a scope to SDA and SCL to see what 
> is happening?  It sounds like a hardware flaw. :'(

Actually, this could be possible. But - SDA looks like part of the IDE
interface?

Can you point me to where I'm looking for this, so I can locate it on
the piix4 (and then on my board)?

As well, what *should* these lines show on the scope?

Thanks,
Joe