Re: [PARPORT] ppdev for 2.4 kernel

From: Tim Waugh (
Date: Fri Jan 05 2001 - 10:21:26 EST

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    On Thu, Jan 04, 2001 at 03:59:39PM +0100, Wolfgang Huber wrote:

    > I want to install vmware under linux and in my target application i need
    > a bidirectional parallel port. The device which supports bidirectional
    > parallelport ist /dev/parportx and ppdev is the module behind this
    > device.
    > I hope, this is correct so far.

    Yes, but /dev/lp0 also provides nibble mode. Is that enough?

    > Here is my problem:
    > Every attempt to write or read from /dev/parport ends with the error
    > message:
    > "Invalid parameter" ?

    You need to poke it with ioctls first, unfortunately. See


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