The cabling is color coded; Motherboard power connectors are sleeved black, PCI-E are sleeved blue, and the rest (SATA/4-pin/floppy) are zip-tied bundles of red, yellow and black wires.
The four dedicated PCI-Express power connectors.
24-pin ATX mainboard power, 8-pin EPS +12V, and 4-pin auxilary +12V power.
Eight 4-pin power connectors and one floppy power connector. They are confined to three bundles of wires; Two of the bundles have three 4-pin power connectors each, the third has two 4-pin and the floppy power connector.
There are four leads each with two SATA power connectors for a total of eight.
The wires are zip-tied frequently and twisted to help keep them organized.
Continue to the next page where I'll look at the ET-850 unit itself...