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    SubjectRe: UMC 8881/8886 chipset wrote:
    > In article <>,
    > John Sullivan <> wrote:
    > >and I don't have access to 8673/8881 to test those... I'll post the
    > >patch for this sometime tomorrow however.
    > Here it is. You'll need hdparm to take advantage, and it ought to be a
    > whole lot cleaner. PIO mode 3 works for me. Pushing it higher could do
    > seriously strange things. Best to test timings on a read-only
    > filesystem, and power-cycle if it locks up.
    > To activate it you'll need to enable umc8672 support in the kernel
    > config, and use ide0=umc8672 on the kernel command-line.

    hmm.. saw this, and said to myself: I feel brave. I believe I have one
    of these.

    so, I tried it. No go.

    here's what /proc/pci says:

    PCI devices found:
    Bus 0, device 18, function 1:
    IDE interface: UMC UM8886BF (rev 16).
    Fast devsel. IRQ 14. Master Capable. No bursts.
    I/O at 0x170.
    I/O at 0x374.
    I/O at 0xffe0.
    I/O at 0xfff0.
    I/O at 0xffa0.
    Bus 0, device 18, function 0:
    ISA bridge: UMC UM8886A (rev 14).
    Medium devsel. Master Capable. No bursts.
    Bus 0, device 16, function 0:
    Host bridge: UMC UM8881F (rev 4).
    Medium devsel. Master Capable. No bursts.
    Bus 0, device 12, function 0:
    VGA compatible controller: Trident TG 9660 (rev 211).
    Medium devsel. Fast back-to-back capable. IRQ 12.
    Non-prefetchable 32 bit memory at 0xff400000.
    Non-prefetchable 32 bit memory at 0xffbe0000.

    Did they change something?

    Thomas Davis | Kaneca International Support Services
    4339 Wakeley | "No Linux box is too slow for us!"
    Omaha, NE 68131 |

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