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Re: USB CF Card Readers



To Mike Burger:

Thanks a lot, and pass it on to Jeff Vian, too. Between you two, you
gave me just the advice I needed. Now I can mount my card reader any
time, with a simple command or with the Disk Management tool.

The next thing I'd like to try is to get it to mount by itself as soon
as I plug it in, just as CD's and DVD's do. Any suggestions?

Temlakos

On Fri, 2004-10-15 at 10:21, Mike Burger wrote:

> 
> I don't remember if this question has been asked before, but is this 
> reader a multi-card/slot reader?  If so, make sure you add this to your 
> modprobe.conf file:
> 
> options scsi_mod max_luns=255
> 
> If the reader is a single slot, CF only reader, and you have no other SCSI 
> devices, then you should be able to mount /dev/sda1 when you have a card 
> in it.  Where you mount it is your choice...I tend to use something like:
> 
> /mnt/cfcard
> 
> You can then add something like this to your /etc/fstab:
> 
> /dev/sda1    /mnt/cfcard    auto    user,noauto,rw 0 0
> 
> Which will allow any user on the system to issue:
> 
> "mount /mnt/cfcard" to mount it or "umount /mnt/cfcard" to unmount.
> 
> The easiest way to look in your /var/log/messages file for something like 
> this:
> 
> Oct 15 01:09:00 winblows kernel: Initializing USB Mass Storage driver...
> Oct 15 01:09:00 winblows kernel: scsi1 : SCSI emulation for USB Mass 
> Storage devices
> Oct 15 01:09:00 winblows kernel:   Vendor:           Model: USB Card 
> Reader   Rev: 1.01
> Oct 15 01:09:00 winblows kernel:   Type:   Direct-Access                      
> ANSI SCSI revision: 02
> Oct 15 01:09:00 winblows kernel: Attached scsi removable disk sdb at 
> scsi1, channel 0, id 0, lun 0
> Oct 15 01:09:00 winblows kernel:   Vendor:           Model: USB Card 
> Reader   Rev: 1.01
> Oct 15 01:09:00 winblows kernel:   Type:   Direct-Access                      
> ANSI SCSI revision: 02
> Oct 15 01:09:00 winblows kernel: Attached scsi removable disk sdc at 
> scsi1, channel 0, id 0, lun 1
> Oct 15 01:09:00 winblows kernel:   Vendor:           Model: USB Card 
> Reader   Rev: 1.01
> Oct 15 01:09:00 winblows kernel:   Type:   Direct-Access                      
> ANSI SCSI revision: 02
> Oct 15 01:09:00 winblows kernel: Attached scsi removable disk sdd at 
> scsi1, channel 0, id 0, lun 2
> 
> This will tell you what "drive" devices have been added for this reader.  
> 
> In my case, because I have a multi-card reader, and have that option line 
> in my modprobe.conf file, I get 3 devices added.  Without that line, it 
> would only see one slot.  Also, because I have a SCSI hard drive (which is 
> /dev/sda), my reader's devices started at /dev/sdb.
> 
> If you have a multi-card reader, your best bet might just be to insert the
> card, and try to mount each "drive" device...but remember to add "1" after 
> each drive device (ie, drive /dev/sda, use partition /dev/sda1), as most 
> (if not all) of these devices treat the cards like partitioned and 
> formatttted hard disks.
> 
> -- 
> Mike Burger
> http://www.bubbanfriends.org
> 
> Visit the Dog Pound II BBS
> telnet://dogpound2.citadel.org or http://dogpound2.citadel.org
> 
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