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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Jack Byer <ojbyer@usa.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Extremely slow IO with a PCMCIA CompactFlash adapter
Date: Sun, 2 Aug 2009 15:38:45 +0200	[thread overview]
Message-ID: <200908021538.45180.bzolnier@gmail.com> (raw)
In-Reply-To: <h51hro$p6j$1@ger.gmane.org>

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.

  parent reply	other threads:[~2009-08-02 13:40 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-01 14:02 Extremely slow IO with a PCMCIA CompactFlash adapter Jack Byer
2009-08-01 15:52 ` Andreas Mohr
2009-08-01 18:32 ` Robert Hancock
2009-08-01 22:44   ` Jack Byer
2009-08-02  6:57     ` Robert Hancock
2009-08-02 10:58     ` Alan Cox
2009-08-02 13:24       ` Jack Byer
2009-08-02 17:04       ` Robert Hancock
2009-08-02 13:38 ` Bartlomiej Zolnierkiewicz [this message]
2009-08-02 15:30   ` Jack Byer
2009-08-02 18:27     ` Bartlomiej Zolnierkiewicz
2009-08-03  1:25       ` Jack Byer
2009-08-04 10:54         ` Bartlomiej Zolnierkiewicz

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