1. Acceleration: a. Limitations from 3.3 apply. b. No CPU to Screen color expand. Chipset requires SCANLINE_PAD_BYTE XAA only supports SCANLINE_PAD_WORD 2. Driver itself: a. VL bus probe might be too intrusive b. min clock guessed 11.0 MHz c. guessed: interlace allowed only when external display is enabled. d. display pitch guessed to be 8 bit. 3. I2C Support: a. Readback of clockline not implemented. $XFree86$