Alcor Micro USB Card Reader

Mikkel L. Ellertson mikkel at infinity-ltd.com
Thu Apr 17 19:29:47 UTC 2008


R. G. Newbury wrote:
> 
> If I disconnect the usb plug then lsusb does not report the existence of 
> the unit, so it DOES show up as a USB device...but a deaf and blind one!
> 
> I cannot seem to get any responses from it at all...
> 
> Geoff
> 
Take a look at the messages in /var/log/messages when you plug it 
in, and when you put a card into it. You should see something like this:

Apr 17 14:23:54 mikkel kernel: usb 3-1: new full speed USB device 
using uhci_hcd and address 4
Apr 17 14:23:54 mikkel kernel: usb 3-1: configuration #1 chosen from 
1 choice
Apr 17 14:23:54 mikkel kernel: scsi5 : SCSI emulation for USB Mass 
Storage devices
Apr 17 14:23:59 mikkel kernel: scsi 5:0:0:0: Direct-Access 
Generic  USB SD Reader    2.00 PQ: 0 ANSI: 0
Apr 17 14:23:59 mikkel kernel: sd 5:0:0:0: [sdf] Attached SCSI 
removable disk
Apr 17 14:23:59 mikkel kernel: sd 5:0:0:0: Attached scsi generic sg7 
type 0

When you put in a card, I would expect to see something like:
Apr 17 14:23:59 mikkel kernel: sd 5:0:0:0: Attached scsi generic sg7 
type 0
Apr 17 14:25:48 mikkel kernel: sd 4:0:0:3: [sde] 990976 512-byte 
hardware sectors (507 MB)
Apr 17 14:25:48 mikkel kernel: sd 4:0:0:3: [sde] Write Protect is off
Apr 17 14:25:48 mikkel kernel: sd 4:0:0:3: [sde] Assuming drive 
cache: write through
Apr 17 14:25:48 mikkel kernel: sd 4:0:0:3: [sde] 990976 512-byte 
hardware sectors (507 MB)
Apr 17 14:25:48 mikkel kernel: sd 4:0:0:3: [sde] Write Protect is off
Apr 17 14:25:48 mikkel kernel: sd 4:0:0:3: [sde] Assuming drive 
cache: write through
Apr 17 14:25:48 mikkel kernel:  sde: sde1

The drive letter and generic device number are probably going to be 
different. (The examples are from 2 different devices.)

Mikkel
-- 

   Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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