did you ever fix your problem? I am having exactly the same issue on a T41.

Thanks in advance

"Nic" wrote:

> Hi again,
>
> been testing the whole shebang back and forth;
> plugged the HDD to a HP laptop. Worked fine, and device manager on that
> computer showed exactly the same USB controllers: 1x Enhanced USB 2 and 3x
> "regular" USB controllers. Had the same Intel 82801-chipset.
>
> So, it seems you are, unfortunately, quite right in saying that this is a
> hardware issue. And what's even more unfortunate is that the porblem is
> widespread; I've been reading different newsgroups for the past couple of
> days and the same "non hi speed" issue bothers different type of devices
> plugged into the computer.
>
> If anyone has ideas or further knowledge on the issue, please reply!
>
> Regards,
> Nic
>
> "Pavel A." wrote:
>
> > Hi Nic,
> > I have same model (T41). It has *only* USB 2.0 controllers; the USB 1 controllers
> > visible in device manager are actually pseudo creatures for supporting 1.1 devices
> > (to skip all the gory details..)
> > So there is some electrical problem - hopefully, in the cable, not in the disk drive.
> > If the obvious measures (checking all cables, tightening all connectors) do not help,
> > it's the time to call nearest Lenovo clinic (-_-) and make appointment with a computer physician.
> >
> > Regards,
> > --PA
> >
> > "Nic" <Nic@discussions.microsoft.com> wrote in message news:6190A13F-42DE-4226-BB80-BEE35A24B804@microsoft.com...
> > >
> > > "Pavel A." wrote:
> > >
> > >> Do you have two (or more) USB controllers, one of them USB 2 and others USB 1?
> > >> Do you use any hubs, cables or plug directly into USB ports on the
> > >> motherboard?
> > >>
> > >> --PA
> > >
> > > I have exactly the same problem as KHB.
> > > I'm on a IBM T41 Thinkpad laptop, with WinXP Pro SP2 and Lacie P3 250Gb
> > > External HDD. Sent my Lacie for repair, came back unchanged, so shouldn't be
> > > a hardware problem.
> > >
> > > Anyhow, I have 4 USB controller,
> > > 1x "Intel 82801DB/DBM USB 2.0 Enhanced Host Controller - 24CD", and
> > > 3x "Intel 82801DB/DBM USB Universal Host Controller 24C2/24C4/24C7"
> > >
> > > Like KHB explains, the doesn't seem to connect as USB 2.0, but rather as a
> > > USB 1.1. device. At times, which I can only describe as random occurances, I
> > > get the HDD connected as 2.0 Hi Speed device, but it may abruptly (even
> > > during file transfer) disconnect and immediately reconnect again, but as a
> > > USB 1.1. device and with the error message KHB described.
> > >
> > > As I'm on a laptop, I only have two USB connectors available, don't know how
> > > they are wired to the motherboard.
> > >
> > > Nic
> >
> >
> >