Editing Accelerated Graphics Port (section)

====PCIe based AGP ports====
;AGR: The [[Advanced Graphics Riser]] is a variation of the AGP port used in some PCIe motherboards made by [[Micro-Star International|MSI]] to offer limited backward compatibility with AGP. It is, effectively, a modified PCIe slot allowing for performance comparable to an AGP 4×/8× slot,<ref>{{cite web |url=http://www.pcstats.com/articleview.cfm?articleid=1806&page=2 |title=MSI K8N Neo3-F Motherboard Review—What's an AGR video slot? |access-date=15 September 2014 |archive-url=https://web.archive.org/web/20141110101536/http://www.pcstats.com/articleview.cfm?articleid=1806&page=2 |archive-date=10 November 2014 |url-status=dead }}</ref> but does not support all AGP cards; the manufacturer published a list of some cards and chipsets that work with the modified slot.<ref>{{cite web|url=http://www.msi.com.tw/html/products/mainboard/agr/7135agr.pdf |title=List of cards and chipsets that work with the MSI AGR port |access-date=15 September 2014 |url-status=dead |archive-url=https://web.archive.org/web/20070308180139/http://www.msi.com.tw/html/products/mainboard/agr/7135agr.pdf |archive-date=March 8, 2007 }}</ref>