Messages in this thread | | | Date | Sat, 25 Jun 2005 16:47:36 +0200 | From | Pavel Machek <> | Subject | Re: [ltp] IBM HDAPS Someone interested? (Accelerometer) |
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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...
> >From what I remember, my conclusion was that these instructions were the > ones to park the heads and then lock the IDE bus. It's a couple of months > ago, but somewhere I have the simplified version of what it was doing...
Don't think so... parking heads will go through IDE layer... Pavel
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