On Sat, Jun 25, 2005 at 04:47:36PM +0200, Pavel Machek wrote:
> Hi!
>
>
> > > Yup, it's just doing port IO. Get a kernel debugger for windows like
> > > softice and this will be trivial to RE.
> > > READ_PORT_USHORT / WRITE_PORT_UCHAR / READ_PORT_UCHAR
> >
> > There are 3 ports involved. The 0xed "non-existant delay port" and a pair
> > of ports that are through the Super-I/O / IDE. They are used in a
> > index+value setup similar to reading/writing the AT keyboard
> > > controller.
>
> I think you got it... 2ports seem like enough for some kind of small
> u-controller...
Quite possibly the ACPI EC. Most likely a side entrance into the onboard 8042.
--
Vojtech Pavlik
SuSE Labs, SuSE CR
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