I would like to have a 70-80 Hz refresh rate CRT display simultaneously 
with my LCD display on my laptop equipped with the ATI Radeon Mobility 
chipset. This is especially for presentations where I can control my LCD 
screen and have the others watch what I am doing on a bigger screen 
(perhpas even on a projector). I havent been able to figure out how to 
configure my XF86Config-4 to do this. If I set the CrtScreen Option, I 
only get a display on the external monitor. If I dont, then the server 
scans the LCD screen for clock rates and the best I can achieve on the 
external display is a refresh rate of around 53 Hz.

lspci -vv reports:
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility 
M6 LW (prog-if 00 [VGA])

XFree86 -configure reports:
BoardName   "Radeon Mobility M7 LW"

Any help would be appreciated.

Thanks,
DS


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