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Date:      Sun, 31 Aug 2003 11:27:43 +0200
From:      Hendrik Hasenbein <hhasenbe@techfak.uni-bielefeld.de>
To:        Alan Batie <alan@batie.org>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: usbdevs
Message-ID:  <3F51BF8F.1090706@techfak.uni-bielefeld.de>
In-Reply-To: <20030830213526.GA76426@agora.rdrop.com>
References:  <20030828212015.GC32069@agora.rdrop.com> <Pine.BSF.4.21.0308281934030.57303-100000@server1.ultratrends.com> <20030830213526.GA76426@agora.rdrop.com>

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Alan Batie wrote:
> OK, I got a D-Link USB 2 pci card, and now the devices get seen at
> boot up, though it still thinks it's uhci instead of ohci; I don't know
> what's what, but thought uhci was 1.1 and ohci was 2.0:
No, UHCI and OHCI are both USB 1.1. USB 2.0 host controllers are calles 
EHCI. EHCI can double as UHCI or OHCI for campatibility.

OHCI = Open Host Controller Interface (USB 1.x)
UHCI = Universal Host Controller Interface (USB 1.x)
EHCI = Enhanced Host Controller Interface (USB 2.0)

Hendrik



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