General Q about USB and Firewire adaptors

Taavi Burns jaaaarel-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Wed Nov 24 15:26:41 UTC 2004


On Tue, 23 Nov 2004 23:25:44 -0500, Walter Dnes <waltdnes-SLHPyeZ9y/tg9hUCZPvPmw at public.gmane.org> wrote:
>   I have two not-so-new computers at home which, if I select the
> appropriate option in the BIOS, will optionally support USB 1.1 as well
> as the standard USB 1.0.  Gentoo USB support goes as low as USB 1.1, so
> my trailing-edge machines can talk to my new USB2+firewire external
> drive... very slowly.  A big backup becomes an overnight job.

FYI, USB 1.1 IS the standad.  1.0 is pretty dead, and has been for years.
I'd be surprised if you could find a USB 1.0 device without dumpsterdiving.
(NB: I may well be surprised, but any off-the-shelf USB device you get will
be 1.1, not 1.0; unless it's 2.0).

Don't mind me too much, though.  I get into a snit when people talk about
USB 1.1 having "low speed" and "high speed" modes (which it doesn't).
USB 1.1 has "low speed" at 1.2Mbps and "full speed" at 12Mbps.  USB 2.0
adds the "high speed" at 480Mbps.  (this is what happens when one
works on a USB device device [sic] driver)  ;)


-- 
taa
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