Asus P9D-MH/SAS/10G-DUAL - Manual (Page 86)

4-20 Chapter 4: BIOS setup
PCIE Slot Configuration
Allows you to perform PCIE slot configurations.
PCIE Option Rom 4 - 6 [Enabled]
Allows you to enable or disable the PCIE slots. Configuration Options: [Disabled][Enabled]
Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc.
Advanced
PCIE Slot Configuration
PCIE4
Not Present
PCIE4 Option Rom [Enabled]
PCIE5 Not Present
PCIE5 Option Rom [Enabled]
PCIE6 Not Present
PCIE6 Option Rom [Enabled]
Enabled/Disabled PCIE3
Option Rom