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    SubjectRe: 3Com 3c900 is "unknown device" in patched 2.0.29 (or 2.0.30)
    Paul Hancock writes:
    > I ran into the same problem ("unknown device") when I installed a clean
    > 2.0.30 kernel on a box with a couple of 3c905 cards. As you stated, the
    > cards would not talk to the network. I had to go back down to the clean
    > 2.0.29, which recognizes the cards. I am also having to use v0.30 905
    > driver, since v0.39 and v0.40 cause the 3c905 card on the busy interface
    > to become inoperable. The exact error messages in this case were reported
    > previously, but I am willing to upgrade the driver again if the exact
    > error messages are needed once more.

    I did a fresh re-build of 2.0.29 with the v0.30 3c59x.c and both cards
    (the 3c900 and an Accton NE2000 clone) seem to they should. Note the
    difference in the start-up info:
    3Com EtherLink III: Overriding PCI latency timer (CFLT) setting of 32, new value is 255.
    eth0: 3Com 3c900 Boomerang 10Mbps/Combo at 0x6000, 00:a0:24:d2:bd:bf, IRQ 12
    Internal config register is 10302d8, transceivers 0xe138.
    8K word-wide RAM 3:5 Rx:Tx split, autoselect/10baseT interface.
    3c59x.c:v0.30-all 12/23/96 becker@cesdis.gsfc.nasa.gov

    versus

    eth0: 3Com 3c900 Boomerang 10Mbps/Combo at 0x6000, 00:a0:24:d2:bd:bf, IRQ 12
    8K word-wide RAM 3:5 Rx:Tx split, autoselect/10baseT interface.
    Rx Pacing bug exists, disabling bus-master receives.
    eth0: Overriding PCI latency timer (CFLT) setting of 32, new value is 248.
    3c900.c:v0.40 4/16/97 becker@cesdis.gsfc.nasa.gov

    Rick

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