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    SubjectRe: [ltp] IBM HDAPS Someone interested? (Accelerometer)
    Vojtech Pavlik wrote:

    >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,

    What is the onboads 8042?

    .Alejandro
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