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SubjectRe: Extremely slow IO with a PCMCIA CompactFlash adapter
Date
On Saturday 01 August 2009 16:02:22 Jack Byer wrote:
> I have an old digital camera that stores its pictures on a 340 MB IBM
> microdrive. I am trying to transfer to pictures from the camera to my
> computer but can not find the special non-standard USB cable. The
> camera did come with a CompactFlash to PCMCIA adapter, so tried
> connecting it to my laptop. I was able to install the correct modules
> and mount the drive, but accessing it is very slow (5.0 kBps read /
> 3.8 kBps write). Is this expected behavior? Is there any setup I am
> missing that would make this faster?

Get 2.6.31-rc5 kernel.

Set:

CONFIG_IDE=m
CONFIG_BLK_DEV_IDECS=m

in the kernel config.

Build, install, reboot.

Load ide-cs module.

Enjoy the speed increase using /dev/hda.

You may try "hdparm -c1 /dev/hda" for an extra enjoyment.


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