Umax 2200 Scsi and Acard atp870u driver working ?

From: Stephen Carr (
Date: Thu Dec 07 2000 - 13:47:28 PST

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    Dear All and especially Abel Deuring

    I took Abel's advice and commented out the following lines from the
    Acard 6712 driver (atp870u.c) located about line 630 in the 2.4.0-
    test10 kernel sources. See attached source.

             if (ata_cdbu[h][0] == 0x12) {
                     if (workrequ->request_bufflen > 0x24) {
                             workrequ->request_bufflen = 0x24;
                             ata_cdbu[h][4] = 0x24;
    And guess what xsane and xscanimage loaded without any
    problem. I must state that I am still waiting for a terminator but I
    could scan an image except I was getting rubbish at the start in
    the image - I suspect that this may be due to the lack of
    termination. Also my system did not lock up at any time doing test
    scans etc.

    Who knows the correct procedure to pass this message on to the
    scsi maintainers so that they may examine the code and see if it
    should be added into the kernel sources.

    I am willing to undertake further testing of programs.

    Thanks to all

    Stephen Carr


    Stephen Carr
    Computing Officer
    Department of Civil and Environmental Engineering
    University of Adelaide
    Adelaide, South Australia,
    Australia 5005
    Phone +618 8303-4313
    Fax +618 8303-4359
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