Asus MAXIMUS VII HERO ACU User Guide - Page 40
Motherboard Layout, Modes, PCIe operating mode
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PCIe operating mode Motherboard Layout Auto Modes PCIe X1 M.2 PCIe X4 M.2 - - - x2 - M.2 M.2 M.2 PCIEX1_1 M.2 M.2 x1 - x1 - - M.2 PCIE_X16/X8_1 - - - - - PCIEX1_2 x1 - x1 - - PCIE_X8_2 ----- PCIEX1_3 x1 - x1 - - PCIEX4_3 x1 x4 x1 x2 x4 Chapter 1 • There are two possible scenarios in Auto Mode: 1. By default, PCIeX4_3 slot runs at X1 mode with all slots enabled and the M.2 connector is disabled. This default scenario happens when there is no card installed on the PCIeX4_3 slot. 2. When you install a card on PCIeX4_3 slot , this slot runs at X4 mode for high performance support. PCIeX1_1~3, and M.2 connector are all disabled. • In PCIe X1 Mode, the PCIeX4_3 slot runs at X1 mode with all slots enabled. M.2 connector is disabled. • In M.2 Mode, the PCIeX4_3 slot runs at X2 mode and M.2 connector is enabled. PCIeX1_1~3 are disabled. • In PCIe X4 Mode, the PCIeX4_3 slot runs at X4 mode for high performance support. PCIeX1_1~3, and M.2 connector are disabled. • To configure the PCIEx4_3 slot bandwidth option in BIOS, refer to the Onboard Devices Configuration section on the BIOS Setup chapter. 1-26 Chapter 1: Product introduction