Re: usb 2.0 dell inspirion 8500

From: Bernd Walter (ticso_at_cicely12.cicely.de)
Date: 11/21/03

  • Next message: Wes Peters: "Re: "secure" file flag?" 
    Date: Fri, 21 Nov 2003 22:40:04 +0100
To: quel@quelrod.net

    On Fri, Nov 21, 2003 at 03:37:10PM -0600, quel@quelrod.net wrote:
    > Could you point me to information as to why it is not in GENERIC?

    Because it is not requireds for device to work, but on the other hand
    in some cases doesn't work with ehci, such as hubs and interrupt
    transfers.
    Adding ehci is more speed with less functionality.

    > On Fri, 21 Nov 2003, Bernd Walter wrote:
    >
    > > On Fri, Nov 21, 2003 at 03:10:10PM -0600, quel@quelrod.net wrote:
    > > > Should device ehci be a default in GENERIC, then?
    > >
    > > It is intentionally not in GENERIC.
    > >
    > > > On Fri, 21 Nov 2003, Bernd Walter wrote:
    > > >
    > > > > On Fri, Nov 21, 2003 at 10:47:35AM -0600, quel@quelrod.net wrote:
    > > > > > I recently got a usb 2.0 hard drive to which I painfully wait for 1MB/s
    > > > > > transfers. According to dmesg fbsd is only doing 1.0:
    > > > > > usb0: <Intel 82801DB (ICH4) USB controller USB-A> on uhci0
    > > > > > usb0: USB revision 1.0
    > > > > > usb1: <Intel 82801DB (ICH4) USB controller USB-B> on uhci1
    > > > > > usb1: USB revision 1.0
    > > > > > usb2: <Intel 82801DB (ICH4) USB controller USB-C> on uhci2
    > > > > > usb2: USB revision 1.0
    > > > > >
    > > > > > (Yes i double checked my laptop does indeed have usb 2.0)
    > > > > >
    > > > > > I saw that ehci had usb 2.0 support comitted. Is this coming for uhci? I
    > > > > > suppose it's too late to get this into 5.2 -RELEASE.
    > > > >
    > > > > uhci is strictly an usb1.x controller.
    > > > > Build a kernel with ehci support if you have a high speed capable
    > > > > controller. 

    -- 
B.Walter                   BWCT                http://www.bwct.de
ticso@bwct.de                                  info@bwct.de
_______________________________________________
freebsd-hackers@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
  • Next message: Wes Peters: "Re: "secure" file flag?"

    Relevant Pages

    • About PCMCIA NEC USB 2.0
      ... but my pcmcia nec usb 2.0 not work with EHCI but ... with OHCI... ... dvd/cdr iomega that work at max speed only with EHCI... ... To unsubscribe, ...
      (freebsd-newbies)
    • Minor USB documentation nit
      ... ehci isn't there and there is no entry for it in LINT. ... To unsubscribe, ...
      (freebsd-stable)
    • Re: -CURRENT, EHCI, and the iPod
      ... I think ehci is way from a working state for now. ... I've had to disable my ehci on my new Sony VAIO Z1WA. ... To unsubscribe, ...
      (freebsd-current)
    • Re: CardBus USB 2.0 Controller (NEC uPD)
      ... >> I'm not shure if the code would work, but it was also ported into ehci ... >> and therefor ehci should be in a similar state. ... To unsubscribe, ...
      (freebsd-current)