Mailinglist Archive: opensuse (3337 mails)

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Re: [SLE] Trouble reformatting an outboard USB drive
  • From: "Peter N. Spotts" <pspotts@xxxxxxxxxxxx>
  • Date: Wed, 26 Apr 2006 20:15:13 -0400
  • Message-id: <20060426201513.621818e0@xxxxxxxxxx>
On Wed, 26 Apr 2006 20:06:40 -0400
Carl Hartung <suselinux@xxxxxxxxxxxxx> wrote:

> On Wednesday 26 April 2006 19:46, Peter N. Spotts wrote:
> > Yep, seems to be. What is echi_hcd? And is that something that will give
> > me some talk-back, a la, dmesg, or does it just activate something?
>
> Hi Peter,
>
> Sorry for the typo... it's ehci_hcd, not echi_hcd.
>
> From http://en.wikipedia.org/wiki/EHCI:
>
> "The USB 2.0 HCD implementation is called the Extended Host Controller
> Interface (EHCI). Only EHCI can support high-speed transfers. Each EHCI
> controller contains four virtual HCD implementations to support Full Speed
> and Low Speed devices. The virtual HCD on Intel and Via EHCI controllers are
> UHCI. All other vendors use virtual OHCI controllers."
>
> Just out of curiosity, what USB controller is listed when you run the
> following (as root):

00:1f.2 USB Controller: Intel Corporation 82801BA/BAM USB (Hub #1) (rev 05) (prog-if 00 [UHCI])
Subsystem: Toshiba America Info Systems: Unknown device ff00
Flags: bus master, medium devsel, latency 0, IRQ 5
I/O ports at 1820 [size=32]

Pete


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