AAS/AGP Aperture Size

[Nutcase]

So I have 6800gt 256Mb.. should I set AAS to 256 or leave it to 64mb..? What´s the difference?

 

[StrangleHold]

I set mine on 128 no matter what card I use but heres a read

http://www.overclock.net/faqs/48326-what-agp-aperture-size-what-should.html