3. New OS dependent features

See the Release Notes for non-OS dependent new features in XFree86 4.0.

3.1. New OS dependent features in 4.0

• Preliminary APM support.

3.2. New OS dependent features in 3.9.18

• Soft-booting secondary cards through the int10 BIOS interface is now possible using the x86emu real mode emulator.

3.3. New OS dependent features in 3.9.17

• Support for silken mouse with the wsmouse protocol has been added.
• A new version of the XFree86 Aperture driver which provides MTRR support is included.