Found the answer here
http://www.gkmac.co.uk/linuxacer.php.
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xorg-x11 6.7.0 (formerly XFree)
Graphics are driven by the Intel 852GM chipset which doesn't have its own RAM, instead it "steals" 16Mb from the main RAM, so you actually have 240Mb of RAM. One essential thing you'll want is DRI support for graphics acceleration, which requires some kernel stuff as well as the right lines in my xorg.conf (formerly XF86Config). Presently xorg-x11 6.7.0 is pretty much the same as XFree 4.4, so if you still use that you can rename the file to XF86Config or XF86Config-4 depending on your setup.
TODO: Details of i810 driver in xorg.conf
Device drivers --> Character devices -->
<*> /dev/agpgart (AGP Support)
<*> Intel 440LX/BX/GX, I8xx and E7x05 chipset support[*] Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
<*> Intel 830M, 845G, 852GM, 855GM, 865G