Flash disk problem

I have a problem with my buildin multicard reader.
when I insert a compact flash card it is not detected
I boot from a Knoppix 3.7 CD
lsmod gives me the following output

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Module                  Size  Used by    Not tainted
autofs4                8756  1
af_packet              13544  0 (autoclean)
via82cxxx_audio        19448  1
ac97_codec            11916  0 [via82cxxx_audio]
uart401                6052  0 [via82cxxx_audio]
sound                  55276  0 [via82cxxx_audio uart401]
soundcore              3428  4 [via82cxxx_audio sound]
via-rhine              12336  1
mii                    2240  0 [via-rhine]
crc32                  2816  0 [via-rhine]
serial                52100  0 (autoclean)
pcmcia_core            39840  0
thermal                6724  0 (unused)
processor              9008  0 [thermal]
fan                    1600  0 (unused)
button                  2700  0 (unused)
battery                5952  0
ac                      1824  0
rtc                    7036  0 (autoclean)
cloop                  8740  2
sbp2                  16396  0 (unused)
ohci1394              22664  0 (unused)
ieee1394              183076  0 [sbp2 ohci1394]
usb-storage            61760  0
usb-uhci              21644  0 (unused)
usbcore                57600  1 [usb-storage usb-uhci]
ataraid                6180  0
ide-scsi                8816  1

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and the output from lsusb is

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Bus 004 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000
Bus 002 Device 002: ID 0aec:3050 Neodio Technologies Corp. ND3050 8-in-1 Card Reader
Bus 001 Device 001: ID 0000:0000

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So the card reader itself is detected
The command

Code:

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ls /mnt

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results in

Code:

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auto  cdrom  cdrom1  floppy  hd  pts  sda1  sda3  sda5  sda6  sdb  sys  test

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My hard drive is sda. I think that sdb is the flash disk so Knoppix knows at least at some level that there it is there.
But when I try

Code:

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mount -t msdos /dev/sdb /mnt/sdb

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I get

Code:

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mount: wrong fs type, bad option, bad superblock on /dev/sdb,
      or too many mounted file systems

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I dont know what to try next
Thanks
Charles

First, try fdisk -l to check what kind of partitions fdisk can see on your flash drive.

Depending on that you might want to try different filesystem types ( I am not sure if vfat is similar to msdos but I always use it to mount fat32 partitions).

I tried vfat but that didn't help
I will try fdisk -l tonight when I get back home. At least I know that the hardware works as I did manage to get it working with
system rescue cd (http://www.sysresccd.org) :D
I am thinking that maybe some needed kernel module is not loaded.
Thanks for your reply nick666
Charles

What is the fstab entry for this device?