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    SubjectRe: [patch] My AMD IDE driver, v2.7
    Vojtech Pavlik wrote:
    > On Tue, Mar 12, 2002 at 05:43:17PM +0100, Martin Dalecki wrote:
    >
    >>Vojtech Pavlik wrote:
    >>
    >>>On Tue, Mar 12, 2002 at 05:26:20PM +0100, Martin Dalecki wrote:
    >>>
    >>>
    >>>>Vojtech Pavlik wrote:
    >>>>
    >>>>
    >>>>
    >>>>
    >>>>>Well, as much as I'd like to use safe pre-computed register values for
    >>>>>the chips, that ain't possible - even when we assumed the system bus
    >>>>>(PCI, VLB, whatever) was always 33 MHz, still the drives have various
    >>>>>ideas about what DMA and PIO modes should look like, see the tDMA and
    >>>>>tPIO entries in hdparm -t.
    >>>>>
    >>>>>
    >>>>Yes yes yes of course some of the drivers are confused. And I don't
    >>>>argue that precomputation is adequate right now. It just wasn't for
    >>>>the CMD640 those times... I only wanted to reffer to history and
    >>>>why my timings where different then the computed.
    >>>>
    >>>>
    >>>We may want to compare your original timings to what ide-timing.[ch]
    >>>will compute ...
    >>>
    >>Unfortunately there is no chance. I have abondony this board quite
    >>happy a long time ago... It was an 486 and I don't keep old
    >>shread around. Sorry I just don't have it at hand anylonger.
    >>
    >
    > You may happen to have the numbers, though - that should be enough.
    >
    > Btw, I have a CMD640B based PCI card lying around here, but never
    > managed to get it generate any interrupts, though the rest seems to be
    > working.

    I remember that I have found them in some readme attached to the
    original dos drivers from CMD. Maybe it's still availabe on the net but
    really I don't have it anylongeranywhere archieved. And BTW.> The CMD640B was
    the variant which wasn't physically broken, as the CMD640 which had
    improper bus termination of the secondary channel.

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