ok. ill see what i can find.

Also the rack systems i finally figured out what they are. They are Onyx4 systems.

contains 3 peices, connected together via the numalink. have the CPU box, the G2 box, and G2N box. the G2 and G2N box contain 2 video cards, so 4 ATI cards total, each card contains 2 DVI ports.

Here is the setup:

http://techpubs.sgi.com/library/dynaweb_docs/hdwr/SGI_EndUser/books/Voyager_UG/sgi_html/figures/cabling.single-host.to.G2-and-G2N.gif