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    SubjectRe: libata driver update posted
    Martin Schlemmer wrote:
    > On Fri, 2003-07-18 at 17:43, Jeff Garzik wrote:
    > Slower this side. The Maxtor 40GB (ata133) is however just set to
    > udma33, where the Seagate 20GB (ata100) driver is set correctly to
    > udma100.

    Yeah, that's expected: Parallel ATA (PATA) requires cable detection to
    go beyond UDMA/33, and my driver doesn't do that yet [since I'm
    concentrating on SATA].

    > The Seagate start off ok (about 35mb/s), but then after doing some heavy
    > disk io, it also just drops to the 20mb/s region.

    That's definitely interesting. Is "heavy disk I/O" the hdparm stuff you
    described, or something else too?


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