[ltp] T42 in dock w/ KVM - mouse malfunction?

[Alex Deucher]

On Mon, 08 Nov 2004 12:28:53 -0500, Donald B. Altman
<dona@singulartech.com> wrote:
> 
> 
> Hello,
> 
> I've got a new, lovely T42p and a Thinkpad mini-dock.  This is to replace my former
> Thinkpad A21p in a Thinkpad Dock.
> 
> I use the set-up with a Linksys KVM switch.  Using the old Thinkpad and dock, all works fine.
> Using the new T42p and Thinkpad mini-dock the mouse is flaky.  Basically, it freezes if I
> switch away form the Thinkpad and then back to it (and a bunch of other situations).
> If I use a separate mouse plugged directly into the mini-dock, then all works fine (i.e.
> the keyboard and Video switch properly.)
> 
> I've tried a Belkin KVM, both with and without power supply and gotten the same behavior.
> I've swapped cables and gotten the same behavior.  I've confirmed that the old Thinkpad
> and dock still work properly using the same KVM hardware.
> I've tried the setup using a Thinkpad Dock II rather than a mini-dock with the same result.
> 
> IBM service claims they have never heard any report of a flaky mouse using a KVM switch
> with a Thinkpad.  they've also said they won't touch the problem since IBM doesn't sell a KVM.
> A Google search suggests others have encountered the problem, but I found nothing definitive.
> 
> Has anyone encountered a similar problem?  Has anyone found a solution?
> 

I've never had a KVM that wasn't flakey. usually switching to another
VT and back fixes the mouse for me.

Alex

> TIA
> 
> Don A
> 
> --
> Donald B. Altman
> Singular Technologies
> Croton-on-Hudson,  NY
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