The connector and the signal are described as 1.5V and 3.3V. Although AGP8X runs at 0.8V. The motherboard is giving you the connector, not the signal, specification.
<A HREF="http://www.motherboards.org/articlesd/tech-planations/920_3.html" target="_new">All About AGP: 1X 2X 4X 8X 1.0 2.0 Pro</A>
<A HREF="http://mirror.ati.com/support/faq/agpchart.html" target="_new">ATI AGP Graphics Card Implementation</A>
<font color=red>The solution may be obvious, but I can't see it for the smoke coming off my processor.</font color=red>