[ltp] Thinkcentre M51 USB hotplug issue

[Jason Brooks]

I thought that fault was a issue with t4x series only. It also was
most likely not intel but ibm since they designed the mobo. USB on t4x
is unbuffered.

On Sun, Nov 14, 2010 at 11:00 AM, Dmitry E. Mikhailov
<d.mikhailov@infocommunications.ru> wrote:
> On Sunday 14 November 2010 18:55, Nate Bargmann wrote:
>> ThinkCentre M51
>
> It's a Pentium4 on an Intel chipset.
>
> ALL intel chipset P4 mobos this defect: insufficient ESD protection on
> Southbridge's USB ports. Intel is to blame.
>
> It means that sooner or later when you insert a USB device, something bad
> happens:
> 1)USB controller damage - it works somewhat, but has problems
> 2)USB controller burnout - it's seen by the system, but the connected dev=
ices
> doesn't
> 3)Southbridge burnout - motherboard is dead.
>
> You have the 1st. It's going to progress if you try to use MoBo's USB por=
ts.
> Disable USB in BIOS and use your PCI controller.
>
> Best regards,
> =C2=A0 =C2=A0 =C2=A0 =C2=A0Dmitry.
>
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--=20
JaY