PCIe power connector pinout for the PCIe Riser Server

I made a board and I would like to connect it to a PC with a PCIe edge connector The PC will be the root complex and my board the

Title: PCIE X1 EDGE CONNECTOR - BOARD OUTLINES ; Package: PCI-X_EDGE-X1 ; Description: PCIE X1 based on guideshardwaregraphic20080421

pcie 4 card in pcie 3 slot Host Adapters ; PCIe Host Port PCIe x16 Edge Finger ; Internal PCIe Port Two SFF-8654 8x 85ohm 74pin Connectors Connector Pinout ; Switch for enabling REFCLK

pcie cem slot Yes, you can Any PCI-e card should work in any socket So an x8 card in a x4 slot will use up