Messages in this thread | | | Date | Sat, 01 Aug 2009 12:32:40 -0600 | From | Robert Hancock <> | Subject | Re: Extremely slow IO with a PCMCIA CompactFlash adapter |
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On 08/01/2009 08:02 AM, 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? > > Kernel version is 2.6.30.3 > > pccardctl ls: > > Socket 0 Bridge: [yenta_cardbus] (bus ID: 0000:00:0a.0) > Socket 0 Device 0: [pata_pcmcia] (bus ID: 0.0) > > pccardctl info: > > PRODID_1="IBM" > PRODID_2="microdrive" > PRODID_3="" > PRODID_4="" > MANFID=00a4,0000 > FUNCID=4 > > time output to write a 1 MB file to the drive: > > real 4m29.476s > user 0m0.000s > sys 0m0.000s > > time output to read a 1 MB file from the drive: > > real 3m25.600s > user 0m0.000s > sys 0m0.000s > > Can you post the dmesg output from detecting the device?
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