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    SubjectRe: abort:PIIX3 mothboard's IDE DMA
    On Sun, 23 Jan 2000, hugang wrote:

    > Hello,everyone ,
    >
    > I have asus mothboard with a P5/166,32M memory.
    > I use kernel 2.2.12-20 form redhat 6.1 ,but the kernel tell me some message
    >
    > -----------------------------------------------------------------------
    > PIIX3: IDE controller on PCI bus 00 dev 39
    > PIIX3: not 100% native mode: will probe irqs later
    > ide1: BM-DMA at 0xe808-0xe80f, BIOS settings: hdc:DMA, hdd:DMA
    > hdc: IBM-DYKA-22160, ATA DISK drive
    > hdd: TOSHIBA MK1403MAV, ATA DISK drive
    > ide1 at 0x170-0x177,0x376 on irq 15
    > hdc: IBM-DYKA-22160, 2067MB w/90kB Cache, CHS=4200/16/63, (U)DMA

    The means the drive can perform at rates faster than Multi-Word DMA mode 2,
    but your mainboard can not.

    > hdd: TOSHIBA MK1403MAV, 1376MB w/128kB Cache, CHS=2796/16/63, DMA
    > ------------------------------------------------------------------------
    >
    > I did not understand ,The mothboard can suport DMA,why the kernel cant't suport.
    > Who can help me to fix it.
    > bye,
    > hugang
    > hugang123@263.net
    >
    >
    > -
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    >

    Andre Hedrick
    The Linux ATA/IDE guy

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