[ltp] High Speed USB problems
Jeffrey L. Taylor
Tue, 20 Jul 2010 10:38:31 -0500
Quoting Jeffrey L. Taylor <firstname.lastname@example.org>:
> Quoting bhaskins <email@example.com>:
> > Jeffrey L. Taylor wrote:
> > >Quoting Marius Gedminas <firstname.lastname@example.org>:
> > >>On Mon, Jul 19, 2010 at 02:33:46PM -0500, Jeffrey L. Taylor wrote:
> > >>>Quoting U Kuehn <email@example.com>:
> > >>>>Do you observe high speed usb also not working under windows (warning
> > >>>>like "high speed usb device connected to low speed port" or something
> > >>>>similar)? If so, it might be hardware-related.
> > >>>>
> > >>>>I had the a similar problem, also only from time to time. I read
> > >>>>somewhere that it indicates a dying south-bridge :( In the end, I had
> > >>>>the mainboard replaced because sound device vanished from the system and
> > >>>>in the end, it could not access the hard disk anymore. By that time,
> > >>>>luckily, the warranty was still valid...
> > >>>Thank you for jogging my brain, I'll try booting into Windows when I am home
> > >>>where all the USB devices are.
> > >>Also, read this: http://www.thinkwiki.org/wiki/Problem_with_USB_2.0
> > >>
> > >>I had a T42 with this problem. It died completely a few months after the
> > >>warranty expired.
> > >>
> > >
> > >This sounds very much like my problem, except the USB hard drive does not work
> > >properly at all. Replacing the main board probably doesn't make sense for a 6
> > >year old laptop unless I can cannabilize a known good one from some other
> > >laptop.
> > >
> > >I'm going to miss it, I like my T41. Plus the hassle of picking a replacement
> > >and moving the files and setting up a new computer.
> > Why not try a PCMCIA USB2 adapter?
> > I have several including one that also has a FireWire port which I use for
> > HD video capture.
> > IMHO most of the new laptops are 36, ( or less ), month POS wonders.
> > Long story but I've been "sucked into" finding why over six of these died
> > since the first of the year and all of them have internal shorts on
> > the mother
> > board, most likely a "tin whisker" problem.
> > Personally, I'm sticking to my A31s as they just keep going and
> > going without
> > even the slightest glitch.
> > I sold one of my A31s to a neighbor and it even survived bouncing around in
> > the cabin of her SUV during a rollover.
> > The SUV was totaled, but the Thinkpad just needed a DVD drive replacement.
> > They don't build em like they used to!!!!!!!!!!!!!!!!!!!!!!!
> > Of course, part of this is that I !!! hate !!!! ~!@#$ touchpads, ( I
> > play guitar ), and it is hard to find a nice new LT with a
> > Trackpoint or trackball
> That is an interesting workaround, certainly faster and cheaper than
> replacing the system board.
The PCMCIA USB card solves the connectivity problem, but ThinkWiki implies
that total failure is imminent. Have to think about that.