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    SubjectRe: 2.1.111: IDE DMA disabled?
       From: torvalds@transmeta.com (Linus Torvalds)
    Date: 26 Jul 1998 21:21:11 GMT

    (grep for "bus_speed", for example, and notice how a comment
    says that a system_bus_speed setting of 40 is "safe" on PCI. It's
    nowhere close to safe - if we assume that the system bus speed is 40 and
    it really is 66MHz PCI, we're now completely off).

    grep again, last time I checked that parameter is only used to tune
    "PIO modes" on broken CMD640 chipsets,

    Later,
    David S. Miller
    davem@dm.cobaltmicro.com

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