OHCI and UHCI

What is the different between OHCI and UHCI? Thanks!
(You can wirte in china, please give me a hand.)
[mars76 编辑于 2001-06-22 11:10]

up to Now, i just read the UHCI document, the key concept is
SCHEDULE! and I think the OHCI maybe a little diffent with UHCI, and you can download the document from INTEL or COMPAQ
web site !