lkml.org 
[lkml]   [1998]   [Oct]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: 2.1.111: IDE DMA disabled?
    On Mon, 27 Jul 1998, Alan Cox wrote:

    > > But currently the IDE code is relaying on the fact that the BIOS will do
    > > it nicely for Generic DMA, which is basically compleatly wrong. Most of
    > > the BIOSes don't get it right. They just put the system in the most secure
    >
    > Almost all BIOSes get it right. Furthermore the BIOS knows what the correct
    > values are in many cases we cannot even find out or we have to do fairly
    > tricky stunts to guess. Judging by the sum collection of reports I have
    > we are also talking about almost nobody having actual problems.
    >
    > > wired, since I'm using an very old 430HX chipset board with a 300MHz K6,
    > > where the BF2 jumper for CPU speed was missing (I have sold it my self to
    > > ground level) and the processor isn't detected corretly by the BIOS.
    > > Therefore the BIOS can't detect and set the timings correctly.
    >
    > "I took a soldering iron to my motherboard, and now..."
    >
    > Get real please. For the general case the BIOS is the only thing with a
    > good chance of getting the values right
    >
    > Alan
    >
    >

    =========================================================================
    In real life: System Programmer at AIS AXON GmbH


    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.rutgers.edu
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 13:44    [W:0.030 / U:0.016 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site