[ltp] USB died on my T42p

[Joel Ebel]

My T40 (non-p) lost USB 2, so it's certainly not limited to the p 
models.  I imagine the mainboards are roughly the same between the P and 
  non P (Sounds like a famous math problem) models aside from the 
graphics device that is built into it.

Joel

Kelvin KAN wrote:
> Hello,
> 
> Does the probelm only occur in the "p" models i.e. T41p & T42p, or also 
> in all other non-p T4X models?
> 
> Thanks,
> -
> kelvin.
> 
> 
> Meidinger Chris wrote:
> 
>> Hi David and All,
>>
>> this happened to my t42p for the second time in as many months, and i 
>> got an
>> IBM tech that i know pretty well and he told me this is a series problem.
>>
>> Any motherboards replaced after the end of January 2005 should be fine,
>> motherboards produced before then are subject to these problems.
>> IBM won't bat an eye when you tell them your USB is gone, and they should
>> have someone out to replace it within a day or two.
>> (Also, the symptoms are exactly right: your usb hubs will be detected, 
>> but
>> there is no hotplug event when you connect a device.)
>>
>> Cheers,
>>
>> Chris
>>
>>
>>> -----Original Message-----
>>> From: linux-thinkpad-admin@linux-thinkpad.org 
>>> [mailto:linux-thinkpad-admin@linux-thinkpad.org] On Behalf Of David 
>>> Ayers
>>> Sent: Monday, March 21, 2005 2:50 PM
>>> To: linux-thinkpad@linux-thinkpad.org
>>> Subject: Re: [ltp] USB died on my T42p
>>>
>>> Thanks, Carsten. That is exactly what is happening. I will be calling 
>>> IBM
>>> for fixing.
>>>
>>> Dave
>>>
>>> On Mon, 21 Mar 2005 09:57:44 +0100
>>> Carsten Heinelt <carsten@cadence.com> wrote:
>>>
>>>
>>>> Hi,
>>>>   we had two failures of USB in our company with T41p's.
>>>
>>> The operating
>>>
>>>> systems still saw USB, but devices were not recognized anymore. IBM
>>>> replaced the mainboards.
>>>>
>>>> Carsten.
>>>>
>>>> David Ayers wrote:
>>>>
>>>>> On Sun, 20 Mar 2005 18:09:31 -0500
>>>>> James Knott <james.knott@rogers.com> wrote:
>>>>>
>>>>>
>>>>>
>>>>>> David Ayers wrote:
>>>>>>
>>>>>>
>>>>>>> Hello all,
>>>>>>>
>>>>>>> My usb ports suddenly went dead, and I suspect a
>>>
>>> hardware problem. I
>>>
>>>>>>> can boot several SUSE 9.2 systems, as well as Windows
>>>
>>> XP-Pro. None
>>>
>>>>> of>>them now recognize a usb device.
>>>>>
>>>>>>> /proc/bus/usb/devices looks normal, except that when a
>>>
>>> usb device is
>>>
>>>>>>> plugged in, nothing happens. Hotplug is enabled, and there is no
>>>>>>>
>>>>> clue>>in the boot message that I can see.
>>>>>
>>>>>>> Before I start fighting the battle with IBM, I would
>>>
>>> like to know if
>>>
>>>>>>> there are any diagnostics that would nail it down as a hardware
>>>>>>> problem (or not)?
>>>>>>>
>>>>>> Does the problem happen with only one device?  Or a few?
>>>>>>
>>>>>
>>>>> I use a PalmOne Zire 31, a HP 7550 printer, a Creative Nomad Zen
>>>>> Xtra. They all used to work fine. Now none of them will be
>>>>> recognized. I've pretty well decided it's hardware, probably
>>>>> motherboard.
>>>>>
>>>>> Thanks for the response.
>>>>>
>>>>> Dave
>>>>>
>>>>>
>>>>
>>>> -- 
>>>>                                          _
>>>> Carsten Heinelt                         CADENCE Design Systems GmbH
>>>>
>>>> Tel.:    +49-89-4563-1937               Mozartstr.2
>>>> Mobile:  +49-172-8969162                85622 Feldkirchen
>>>> Fax:     +49-89-4563-1800               Germany
>>>> -- 
>>>> The linux-thinkpad mailing list home page is at:
>>>> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>>>>
>>>
>>> -- 
>>> David Ayers
>>> Quincy, Illinois, USA
>>> http://www.dayers.net
>>>
>>> -- 
>>> The linux-thinkpad mailing list home page is at:
>>> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>>>
>>>