Have you looked at this page yet?
                http://www.csc.calpoly.edu/~hjew/zio/
        Could just be a bug in that version of the kernel.  It is a -pre after all.

---Begin Quoted Message---
> I am trying to use my ZiO! smart media card reader with Linux.  I am
> using kernel 2.4.19-pre10 with Slackware 8.0.  I have all the
> necessary modules installed(CONFIG_SCSI (module), CONFIG_BLK_DEV_SD
> (module), CONFIG_CHR_DEV_SG (module), CONFIG_USB, CONFIG_USB_STORAGE
> (module), CONFIG_USB_STORAGE_DPCM, CONFIG_USB_SDDR09).  When I plug
> the device, I get this in /var/log/syslog:
> 
> Jun 22 21:02:14 erwin kernel: usb.c: new device strings: Mfr=1,
> Product=2, SerialNumber=0
> Jun 22 21:02:14 erwin kernel: usb.c: USB device number 6 default
> language ID 0x409
> Jun 22 21:02:14 erwin kernel: Manufacturer: SCM Microsystems Inc.
> Jun 22 21:02:14 erwin kernel: Product: eUSB SmartMedia Adapter
> Jun 22 21:02:14 erwin kernel: WARNING: USB Mass Storage data
> integrity not assured
> Jun 22 21:02:14 erwin kernel: USB Mass Storage device found at 6
> Jun 22 21:02:14 erwin kernel: usb.c: usb-storage driver claimed
> interface cc242240
> Jun 22 21:02:14 erwin kernel: usb.c: kusbd: /sbin/hotplug add 6
> Jun 22 21:02:14 erwin kernel: usb.c: kusbd policy returned
> 0xfffffffe
> 
> and it is recognized correctly in /proc/scsi/usb-storage-0 . this is
> the listing for it:
> 
>    Host scsi1: usb-storage
>        Vendor: SCM Microsystems Inc.
>       Product: eUSB SmartMedia Adapter
> Serial Number: None
>      Protocol: Transparent SCSI
>     Transport: EUSB/SDDR09
>          GUID: 04e600030000000000000000
>      Attached: Yes
> 
> However, it is not listed in /proc/bus/usb (neither are any of my
> other devices), and when I try mount /dev/sda /camera I get the
> following output:
> 
> /dev/sda: Input/output error
> mount: block device /dev/sda is write-protected, mounting read-only
> /dev/sda: Input/output error
> mount: you must specify the filesystem type
> 
> so I tried specifying both vfat and msdos, but i got the same error
> for both filesystems:
> 
> mount: block device /dev/sda is write-protected, mounting read-only
> mount: wrong fs type, bad option, bad superblock on /dev/sda,
>        or too many mounted file systems
> 
> Can anyone help me?
> 

---End Quoted Message---

-- 
Being intelligent is not a felony, but most 
societies mark it as at least a misdemeanor.

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