can someone please explain to me what this is

[froggy_newb]

http://images10.newegg.com/NeweggImage/productimage/13-131-584-04.JPG

its the very middle peice, under the FDD cable. i see that it goes into a pci slot either pci or pci-e x16. what the purpose? note* it comes with a ati crossfire mobo.

[Deagle]

Look at this here review (http://techreport.com/reviews/2006q1/asus-a8rmvp/index.x?pg=2) it'll tel you what it is.

[saphalline]

You know how with NVidia's SLI they have that little flippy card for SLI vs non-SLI mode? It's sort of like that. Only with ATI's Crossfire, the little card thingie works more like an RDRAM continuity module. It goes in the other PCIe x16 slot.