This mouse has an optical sensor which produces a nifty red glowing under it. It has 5 buttons and a wheel, and comes with an adaptor to be used as either PS/2 or USB.
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initialization:
Protocol "IMPS/2" Device "/dev/xxxx" (where xxxx is the PS/2 mouse device)
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse initialization (the wheel won't work in this case):
Protocol "PS/2" Device "/dev/xxxx" (where xxxx is the PS/2 mouse device)
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse detection:
Protocol "Auto" Device "/dev/xxxx" (where xxxx is the PS/2 mouse device)
To use this mouse as the USB device and the OS supports the generic HID protocol:
Protocol "usb" Device "/dev/uhidx" (where x is the USB device number)
To use this mouse as the USB device and the OS supports automatic mouse detection:
Protocol "Auto" Device "/dev/xxxx" (where xxxx is the USB mouse device)