As noted in my last post, I tried out a GeForce 6200 card borrowed from P. It had a DVI out, so I tried connecting it to the monitor with a DVI to VGA adapter. Maybe because the output was DVI-D and not DVI-A the monitor did not show any display. No DVI cable to test direct DVI connection, either. And no display from the integrated AGP, since the AGP card in the slot probably overrides the integrated graphics.
Then, tried seeing the tech specs of the integrated Intel 865 graphics. Apparently it supports upto 2048x1536. Various forum posts say that with Linux drivers, people have used 1920x0180, and recommend Windows users to update the driver. Accordingly updated the driver to version 14.17, released in 2007. Now when I disabled "Hide modes that this monitor cannot display" and chose to list all modes, 1920x1080 was listed! Directly viewing it on the LG Studioworks 221U 21 inch monitor showed the desktop as spanning more than the viewable area, with the mouse making the screen pan when taken out of left or right end of the screen. The 1080p video played without any stuttering, and the Optoma EP 1080 projector displays it just fine. And when the VGA out of the Optoma is connected to the LG monitor, it displays the whole screen, with a mode of 67.5 kHz vert. 60 Hz horiz. Since the Samsung Syncmaster 753 Dfx with the touchscreen upstairs is supposed to support 30-70 kHz, maybe it will even work with the touchscreen.
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