> Nope, actually UHCI isochronous support is implemented, although it > isn't really tested and therefore may or may not work. OHCI and EHCI > isochronous support is missing. Note as well that for EHCI there are > actually two types of isochronous transfers due to split transactions > for transaction translators (i.e. fullspeed devices behind hubs) > which > makes things especially complicated. I'm still planning on > implementing > these eventually, though it's hard to come up with the motivation to > do > so seeing that there aren't any users for that functionality right > now. Well if it's not implemented there will hardly be anyone wanting to use it ;) François.