Beginning with the release of Solaris 8 4/01, Intel Platform Edition, the kdmconfig(1M) utility configures a two-button mouse as a three-button mouse by default. To emulate the middle button on a two-button mouse, push both buttons simultaneously. To disable emulation, choose a two-button entry without three-button emulation from the list of pointing devices displayed by the kdmconfig utility. Users will notice this change when they are using an application that assumes a three-button mouse. The right button now generates a Button-3 event, when previously it generated a Button-2 event.