Very interesting! The most I can get with my 150 Ghz Aluminum Powerbook with an ATI 9700 128M Mobility graphic chipset with Powerbook closed is 1280 X 1024 through the DVI port attached to an Apple 17² display. Hmmm! Bill Reburn typed this message on 4/27/05 7:00 PM: > 1600x1200 with Ti display on, one step higher with Ti display closed. > > On 4/27/05 5:17 PM, "John" tapped out: > >> Does anyone know what the largest resolution is on a Ti 550 Mhz? Via >> the VGA port, of course. >> >> ATI Rage M6 16MB >> >> Thanks!