I don't know alot about the 810 chipset or emachines(good thing?)
your emachines specs according to emachines homepage...
Intel® Celeron 633 MHz (w/128KB L2 Cache)
Intel 810 Chipset, 66 MHz FSB
15 GB HDD
3 Months AOL service included (see Special Offers section)
64 MB SDRAM (1 DIMM available for upgrade up to 256MB)
56K* ITU v.90 PCI internal Fax/Modem
Built-in 12x Max. DVD-ROM; 3.5" 1.44 MB FDD
Keyboard; Mouse; Stereo Speakers
2 USB ports (1 is on front bezel); 1 Serial; 1 Parallel; 1 Midi/Game; 2 PS/2; Audio In & Out, Microphone In; 3 Expansion slots - 2 available
Intel 82801 AC '97 Audio
Intel Direct 3D 2x AGP (shared memory)
anandtech review of the 810 chipset
http://www.anandtech.com/showdoc.html?i=952