Slow IDE with Nforce3

[JimD]

Tim Schmidt wrote:
> I have terminally slow IDE (between 500k/s and 1Mb/s) on a pretty
> generic Nforce3 board.  After som research it looks like it's due to
> ide_generic being loaded instead of amd74xx for handling the PATA
> controller.  Is there any way to specify loading amd74xx instead of
> ide_generic on boot while still using the official kernel?  I've tried
> aappending hda=amd74xx to the grub kernel line...  no dice.

Did you try putting an entry in /etc/modprobe.d/blacklist?

> The funny thing is that hdparm allows me to turn on DMA, etc without
> complaint.  Here's the settings:

What do you get from this command (replace sda with your disk):

sudo hdparm -Tt /dev/sda

Jim
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