Note, when the M. After further testing, the BIOS option EVGA X99 Micro is incorrect and it actually is shared like the manual says. After being alerted to the issue by a reader, I checked again and it seems the bottom slot is disabled when a M. There are three PCIe slots, all x16 physically. Visible here is the isolated audio section for reducing electrical interference from the rest of the motherboard. Fan Headers There are five fan headers on[…]