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List:       linux-usb-users
Subject:    Re: [Linux-usb-users] Question on a generic 8in1 cardreader
From:       "Stephen J. Gowdy" <gowdy () slac ! stanford ! edu>
Date:       2004-03-28 16:28:26
Message-ID: Pine.LNX.4.58.0403281728160.4411 () localhost
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Or read the FAQ.

On Sun, 28 Mar 2004, Matthew Dharm wrote:

> Try compiling with CONFIG_SCSI_MULTI_LUN enabled.
>
> Matt
>
> On Sun, Mar 28, 2004 at 12:53:51AM -0500, Dan Merillat wrote:
> > It's GE Branded, from Integraded Circuit Solution.  A quick google
> > search of the ID dosn't show it up anywhere, so it's probably fairly
> > uncommon.  It registers as a SCSI Mass Storage device, and /dev/sda
> > shows up, but there's no media.  It also registers a /dev/sg device, so
> > I'm wondering if there's some command to chose which media to read that
> > I'm missing.
> >
> > Here's the relevant information:
> >
> > Linux vulpine 2.6.0 #5 Sun Jan 4 16:44:07 EST 2004 i686 GNU/Linux
> >
> > (If this is supported in 2.6.3 sorry for wasting your time.  I screwed
> > up my toolchain trying to cross-compile and havn't fixed it to upgrade
> > the kernel on my workstation yet)
> >
> > Bus 001 Device 002: ID 0dda:0102 Integrated Circuit Solution, Inc.
> >   Language IDs: none (invalid length string descriptor bf; len=0)
> > Device Descriptor:
> >   bLength                18
> >   bDescriptorType         1
> >   bcdUSB               2.00
> >   bDeviceClass            0 (Defined at Interface level)
> >   bDeviceSubClass         0
> >   bDeviceProtocol         0
> >   bMaxPacketSize0         8
> >   idVendor           0x0dda Integrated Circuit Solution, Inc.
> >   idProduct          0x0102
> >   bcdDevice           52.7d
> >   iManufacturer           1
> >   iProduct                2
> >   iSerial                 3
> >   bNumConfigurations      1
> >   Configuration Descriptor:
> >     bLength                 9
> >     bDescriptorType         2
> >     wTotalLength           39
> >     bNumInterfaces          1
> >     bConfigurationValue     1
> >     iConfiguration          4
> >     bmAttributes         0x80
> >     MaxPower              500mA
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       0
> >       bNumEndpoints           3
> >       bInterfaceClass         8 Mass Storage
> >       bInterfaceSubClass      6 SCSI
> >       bInterfaceProtocol     80 Bulk (Zip)
> >       iInterface              5
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            2
> >           Transfer Type            Bulk
> >           Synch Type               none
> >         wMaxPacketSize         64
> >         bInterval               0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x02  EP 2 OUT
> >         bmAttributes            2
> >           Transfer Type            Bulk
> >           Synch Type               none
> >         wMaxPacketSize         64
> >         bInterval               0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x83  EP 3 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               none
> >         wMaxPacketSize          8
> >         bInterval              10
> >   Language IDs: none (invalid length string descriptor bf; len=0)
> >
> >
> > dmesg:
> > hub 1-0:1.0: new USB device on port 1, assigned address 2
> > Initializing USB Mass Storage driver...
> > scsi0 : SCSI emulation for USB Mass Storage devices
> >   Vendor: ICSI      Model: SD Card           Rev: 2.7C
> >   Type:   Direct-Access                      ANSI SCSI revision: 02
> > Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
> > Attached scsi generic sg0 at scsi0, channel 0, id 0, lun 0,  type 0
> > WARNING: USB Mass Storage data integrity not assured
> > USB Mass Storage device found at 2
> > drivers/usb/core/usb.c: registered new driver usb-storage
> > USB Mass Storage support registered.
> >
> >
> >
> >
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>
>

--
 /------------------------------------+-------------------------\
|Stephen J. Gowdy                     | SLAC, MailStop 34,       |
|http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road,     |
|http://calendar.yahoo.com/gowdy      | Menlo Park CA 94025, USA |
|EMail: gowdy@slac.stanford.edu       | Tel: +1 650 926 3144     |
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