Re: about full and high speed devices?
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Thu, 12 Apr 2007, nesta wrote: > hi all, > > i m little confused about usb 1.1 and usb 2, so > > 1. i think that any full-speed device would support usb1.1 only and does not > support usb2,is it right? Wrong. Some full-speed devices support USB 2. > 2. i think that any high-speed device would support usb1.1 and usb2,is it > right? Right. > 3. what is the main difference between usb1.1 and usb2 The main difference is this: USB 1.1 devices may run at low speed or at full speed. They may not run at high speed. USB 2 devices may run at low speed, full speed, or high speed. Alan Stern ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel