directhex@mortos:~$ tail -1 ~/.Xmodmap
pointer = 1 3 2 4 5 8 9 6 7 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

directhex@mortos:~$ grep -A 7 '^Section "InputDevice"' /etc/X11/xorg.conf
Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "keyboard"
        Option          "CoreKeyboard"
        Option          "XkbRules"      "xorg"
        Option          "XkbModel"      "pc105"
        Option          "XkbLayout"     "gb"
EndSection
--
Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver          "evdev"
        Option          "CorePointer"
        Option          "Device"                "/dev/input/by-id/usb-Logitech_USB-PS.2_Optical_Mouse-event-mouse"
        Option          "Name"                  "Logitech Mx518"
EndSection