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List:       linux-usb-users
Subject:    Re: [Linux-usb-users] Is this Device a usb 2.0 device?
From:       Erik Tews <erik () debian ! franken ! de>
Date:       2005-04-26 17:14:07
Message-ID: 1114535647.12058.2.camel () localhost ! localdomain
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Am Dienstag, den 26.04.2005, 11:21 -0400 schrieb Alan Stern:
> >   bcdUSB               1.10
> > 
> > ########## Looks like USB 1.1, does it?  ###############
> 
> Yup, it sure does.  No question, this is a USB 1.1 device.
> 
> >   bDeviceClass            0 (Defined at Interface level)
> >   bDeviceSubClass         0 
> >   bDeviceProtocol         0 
> >   bMaxPacketSize0         8
> >   idVendor           0x10d6 Actions Semiconductor Co., Ltd
> >   idProduct          0x1100 
> >   bcdDevice            1.00
> >   iManufacturer           0 
> >   iProduct                1 USB 2.0(FS) FLASH DISK 
> >   iSerial                 2 USB 2.0(FS) FLASH DISK 
> > 
> > ###### this says USB 2.0, but this String can be changed by the vendor, or? #####
> 
> That's right, the string is set by the vendor.  Note that it only claims 
> to be full speed (FS), however.  That's not inconsistent, by the way; it's 
> perfectly legal for a USB-2.0 device not to support high-speed operation.
> 
> There was another case reported recently, just like yours.  The 
> manufacturer claimed the device was USB-2.0 but the descriptors said 
> otherwise.  I don't remember the vendor or the device, but maybe you can 
> find out by searching through the mailing list archive.

Thanks. The device is a cheap usb mp3 player bought on ebay. Perhaps
this hardware is sold under a lot of different names.
-- 
Erik Tews <erik@debian.franken.de>



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