2U 2*PCI-32bit/5V +1*PCI-E x16 on 7th slot
The middle PCI-E riser connector linked with a short PCI-E connector attached in the back and plug to the motherboard PCI-E slot-7.
The top PCI-32(MAIN) riser connector linked with another gold finger is connected to the motherboard PCI-32 slot-6 which is lined up with the chassis' horizontal 3-cutouts in the rear panel.
The bottom PCI-32 riser connector(shared signal) linked w/8-wires paddle link is connected to the nearby PCI-32 slot-5 of motherboard.
For Intel D915/D925/D945 Series, Asus P5LD2-VM, Tyan S5120, S5130, S2865 etc.