usb cdr drive

Anders Lyckegaard al at
Mon Jul 8 07:49:00 BST 2002

Hi Daniel,

I think your CDR drive is supposed to be supported.

The greek content below shows your USB hubs. 

On Friday 05 July 2002 19:04, daniel wrote:
> i checked out /proc/bus/usb/devices
> and aside from it having a 0byte file size [weird]
> it had the following greek contents:
> T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 2
> B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
> D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
> P:  Vendor=0000 ProdID=0000 Rev= 0.00
> S:  Product=USB OHCI Root Hub
> S:  SerialNumber=c8853000
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
> E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms
> T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 11 Spd=12  MxCh= 0
> D:  Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=04e6 ProdID=0101 Rev= 2.00
> S:  Manufacturer=Shuttle Technology Inc.
> S:  Product=E-USB Bridge
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=usb-storage
> E:  Ad=01(O) Atr=02(Bulk) MxPS=  64 Ivl=  0ms
> E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=  0ms
> E:  Ad=83(I) Atr=03(Int.) MxPS=   2 Ivl= 32ms

I think your CDR was not conencted when you found it. Your kernel messages 
show that the kernel finds the drive and assigns a device number to it.  Your 
CDR drive should have been there. 
If you would like to translate greek to english then check out:

> also
> i checked /var/log/messages
> and all i get is this when i connect:
>   kernel: hub.c: USB new device connect on bus1/2, assigned device number
> 10
> and this when i disconnect:
>   kernel: usb.c: USB disconnect on device 10
> there's no mention of the cd drive
> or what it's called
> or how to access it.
> it's a sony spressa usb cdr drive
> quite old (only 2x)
> is it possible that linux doesn't support it?

I think that your drive is supported through scsi-emulation, so once you have 
that under control you should be able to mount your drive at /dev/sda1 or 
somewhere near depending on you scsi setup. 
Your standard kernel should include the right modules for the scsi emulation, 
so you just need to insert the modules. I'm no expert on scsi-emulation but I 
think that you should be able to figure it out with a bit of reading on

Best of luck,


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