[U-Boot-Users] u-boot 1.1.1 and USB mass storage devices

Laurent Mohin laurent.mohin at acterna.com
Wed Oct 20 08:25:44 CEST 2004


Shannon,

We used PNY Attache USB flash drives and they worked fine under u-boot and 
Linux.
Link is the following : http://www.pny.com/products/usbflashdrive/

Hope this helps,

Laurent Mohin
ACTERNA


u-boot-users-admin at lists.sourceforge.net wrote on 20/10/2004 00:24:47:

> 
> On Oct 19, 2004, at 2:38 PM, Wolfgang Denk wrote:
> 
> > This is normal. Use the working tdevices, and throw away the rest.
> >
> >> I'm curious if these are known problems or likely to be something in
> >> the way we have (or have not) set up usb? Might anyone have some
> >> recommendations as to where to start looking?
> >
> > There are many, many USB devices out there which are out of spec,  or
> > where  controller/firmware  problems get fixed in the windows drivers
> > provided by the vendor (either directly  or  through  M$).  Typically
> > such  devices will not work under Linux, or only with special quirks.
> > U-Boot does not implement any such  quirks,  which  makes  it  a  bit
> > picky.
> >
> > Using USB 2.0 spec'ed devices usually increases the chance that  they
> > will work with U-Boot.
> >
> 
> Does anyone have recommendations as to devices that are known to work? 
> We've tried four to date, the only one that works is a two year old USB 
> 1.1 drive that I haven't been able to find more of (yet). We've tried 
> another 1.1 device, along with two USB 2.0 devices (one being a 
> Sandisk, the other being a "generic" el-cheapo model) - buying and 
> trying at random is starting to get expensive!
> 
> Thanks!
> 
> Shannon
> 
> 
> 
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