RE: [PARPORT] Problems with EPP mode....

From: Mark Cianfaglione (
Date: Mon Mar 19 2001 - 11:31:08 EST

  • Next message: Tim Waugh: "Re: [PARPORT] Problems with EPP mode...."

    Tim, Phil

    I'm not sure if it's just outright rejecting the mode or the negotiation is
    breaking down. I will have to turn on the debugging in the ieee_1284.c to
    get a better view of this. The device is a Logitech Quickcam VC. The USB
    version is working (partly) but I'm wrestling with the parport version (add
    Three Stooges sound effects here)...

    Mark Cianfaglione

    -----Original Message-----
    From: Tim Waugh []
    Sent: Monday, March 19, 2001 9:37 AM
    To: Cianfaglione, Mark [SKY:EQ10:EXCH]
    Subject: Re: [PARPORT] Problems with EPP mode....

    On Mon, Mar 19, 2001 at 09:02:44AM -0500, Mark Cianfaglione wrote:

    > I'm trying to get EPP mode to work on a driver here and I'm coming up with
    > mode negotiation failures. It seems to work fine trying to negotiate ECP
    > modes but it fails on EPP modes negotiation. I have the Bios set to
    > and I've tried EPP 1.7 and 1.9 as well but no luck.

    What kind of failures? The negotiation phase just uses SPP registers,
    and so it's no surprise that changing the BIOS mode has no effect.
    Does the device reject the mode, or does the actual negotiation break

    What device is it, out of interest?


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