The simplest thing that I can think of is to configure them all at once.
Put entries in there for all your mice and then in the ServerLayout
section list all your mice.  Make sure you set your primary touchpad of
whatever you have to the CorePointer and the rest to send core events

Here's an untest example that should work.  You should be able to setup
as many mice as you want in this way.

Section "InputDevice"
    Identifier  "touchpad"
    Driver      "mouse"
    Option "CorePointer"
    Option "Protocol"    "IMPS/2"
    Option "Device"      "/dev/psaux"
    Option "Emulate3Buttons"
    Option "Emulate3Timeout"    "50"
    Option "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    Identifier "serialmouse"
    Driver "mouse"
    Option "SendCoreEvents"	"true"
    Option "Protocol"    "IMPS/2"
    Option "Device"      "/dev/ttyS0"
    Option "Emulate3Buttons"
    Option "Emulate3Timeout"    "50"
    Option "ZAxisMapping" "4 5"
EndSection

Section "ServerLayout"
    Identifier "DefaultLayout"
    Screen     "screen0"
    InputDevice "touchpad"
    InputDevice "serialmouse"
    InputDevice "Keyboard1"
EndSection

Brian Cluff

On Tue, 2002-09-17 at 09:15, Vaughn Treude wrote:
> Hello all again:
> This is another question relating to my Sony Vaio running Red Hat 7.1, but 
> it's not really specific to that system.  When I'm traveling, I use the track 
> pad or a USB trackball.  At home, when I hook it up to my KVM switch (so I 
> can use my preferred setup) I use the serial port for the pointing device 
> (for rather complicated reasons I don't want to go into here.)  The problem 
> is, when I change setups, Kudzu sometimes has trouble recognizing the change. 
>  And I hate to have to reboot the system just because I've stuck the USB 
> trackball on.  So, the question is: is there a way to manually force Gnome to 
> change the pointing device, perhaps with some sort of command-line script?  I 
> suppose I could have three versions of XF86Config-4, and restart X each time, 
> but I was hoping for something a little easier...
> 
> Thanks,
> Vaughn
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