Re: [PARPORT] LaserJet 4M: IEEE nibble mode failure

From: Tim Waugh (
Date: Sun Sep 03 2000 - 19:12:18 EDT

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    On Sun, Sep 03, 2000 at 01:48:59PM +0200, Ferenc Wagner wrote:

    > the standard, PE should be low, but that I don't care. But Select being
    > low means ``mode not available'', which is impossible for nibble mode,

    The 'mode available or not' is inverted for nibble mode, in order to
    make it easier to make compliant peripherals, supposedly. But I think
    all IEEE 1284 peripherals have to support nibble mode.


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