e: Alcor Micro USB Card Reader

R. G. Newbury newbury at mandamus.org
Thu Apr 17 19:26:56 UTC 2008


Subject: Re: Alcor Micro USB Card Reader
To: For users of Fedora <fedora-list at redhat.com>
Message-ID: <48075705.7080303 at infinity-ltd.com>
Content-Type: text/plain; charset="iso-8859-1"

R. G. Newbury wrote:
 > > I installed an Alcor Micro USB card reader in my desktop machine. 
lsusb
 > > reports it as:
 > >
 > > Bus 001 Device 003: ID 058f:6362 Alcor Micro Corp. Hi-Speed 21-in-1
 > > Flash Card Reader/Writer (Internal/External)
 > >
 > > Googling produced some pages which imply that this unit is handled by
 > > the kernel and a module.
 > >
 > > I cannot find, anywhere, the name of the module and the unit is 
unusable.
 > > Help?
 > > Geoff
 > >
I don't know your specific unit, but all the ones I have run into
use the usb_storage module. It will appear as 1 or more SCSI drives
to the system. Most cards will auto-mount off of on a mount point
off of /media.

You may want to take a look /var/log/message when you plug the
reader in if you are using it externally.

THanks. That helped a little. I modprobed the usb-storage module and it 
recognized the various readers as sdd through sdg. Tor those who don't 
know about it, /dev/disk/by-id shows the id's of all disks and 
partitions. In this case, the CF, SD, SM and MS reader instances were 
listed by number, but the SD was xxxx:0 and therefore sdd.

When I tried mounting it however the best I could get was Unable to read 
partition table, and VFS cant find a valid FAT filesystem on sdd.
Changing the filesystem did not help either.

It may be the card, but I do not know...




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