My best guess would be to check the logs when you stick a card in.

dmesg <------ useful for seeing the appropriate info.

> The card reader is by atechflash (atechflash.com) and is the Pro III 
> model.  It reads 6 types of cards and firewire if connected by firewire. 
> I'm connected by USB so FW doesn't matter.
> 
> It shows up as SDA, I can mount it, but no data.  I've tried SD(A-F) and 
> SD(A-A6 to F-F6) since it has multiple slots.  In M$, it shows up as 4 
> different removable drives.
> 
> The camera is the SONY DSC-P7, gphoto2 and gtkam can attach to it but 
> they cannot delete the files (known issue - reason for buying the card 
> reader)
> 
> I've been putting in /etc/fstab:
> 
> /dev/sda    /mnt/memcard    tmpfs    user,rw        0 0
> 
> after several hours of frustration, I had to boot up a Win2K just to 
> retreive the images.  Any help greatly appreciated.
> bill@billjonas.com wrote:
> 
>> On Sat, Feb 22, 2003 at 06:32:00PM -0700, Don Calfa wrote:
>>  
>>
>>> I bought a mass storage USB reader for my new camera that uses memory 
>>> sticks.  It is not plug and play as many articles had me believe.   
>>
>>
>> What is the brand and model of your card reader?
>>
>>  
>>
>>> How do I access the files (images)?  gtkam doesn't recognize it
>>>   
>>
>>
>> gtkam is a graphical front-end to gphoto2.  gphoto2 (version 2 of
>> gphoto) operates on cameras, not card readers.  Were you trying to use
>> gtkam with the card reader or with the camera?  What is the manufacturer
>> and model number of your camera?
>>
>>  
>>
>