Asus Maximus VIII Hero, User Manual, Page: 36 / 194

1-20
Chapter 1: Product Introduction
Chapter 1
Modes
Auto
PCIe
X1
PCIe
X4
PCIEX1_1 x1 x1 x1 –
PCIE_X16/X8_1 – x1 – –
PCIEX1_2 x1 – x1 –
PCIE_X8_2 – – – –
PCIEX1_3 x1 – x1 –
PCIEX4_3 x1 x4 x1 x4
M.2
M.2
M.2
M.2
M.2
M.2
• PCIEX4_3 shares bandwidth with PCIEX1_2 and PCIEX1_3.
• PCIEX4_3 will run in X2 mode by default with PCIEX1_2 and PCIEX1_3 enabled.
• When a PCIEx4 card is inserted into the PCIEX4_3 slot, PCIEX1_2 and PCIEX1_3
will be disabled and the PCIEX4 card will run in X4 mode.
PCIe operating mode
Motherboard Layout