Asus ROG MAXIMUS VIII EXTREME/ASSEMBLY MAXIMUS VIII EXTREME/ASSEMBLY Users man - Page 41
IRQ assignments for this motherboard, PCIe 3.0 operating mode, U.2/M.2/SATAEXPRESS1 configuration
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Chapter 1 PCIEX4_4 shares bandwidth with SATA6G_56 ports. By default, this slot runs at x2 mode. To enable x4 mode, please refer to 3.6.9 Onboard Devices Configuration. IRQ assignments for this motherboard PCIE_X16/X8_1 PCIE_X4_2 PCIE_X8/X4_3 A B C D E F G H shared - - - - - - - - - shared - - - - - - shared - - - - - - PCIE_X4_4 shared - - - - - - - I.G.F.X. shared - - - - - - - Intel Lan Controller shared - - - - - - - SATA Controller - - - - - - - shared High Definition Audio shared - - - - - - - XHCI Controller shared - - - - - - - Intel DSL6540 ASM1142 shared - - - - - - - shared - - - - - - - PCIe 3.0 operating mode Gray PCIe slot PCIE_X16/X8_1 PCIeE_X4_2 PCIE_X8/X4_3 PCIE_X4_4 Single VGA x16 - SLI/CFX x8 x8 - 3-Way CFX x8 x4 x4 - 4-Way CFX x8 x4 x4 x4 • We recommend that you provide sufficient power when running CrossFireX™ or SLI® mode. • Connect a chassis fan to the motherboard connector labeled CHA_FAN1-4 when using multiple graphics cards for better thermal environment. • New 6th generation Intel® Core™ processors support PCIe 3.0 speed rate. PCIe_x16/x8_1 slot switches to x8 mode when PCIe_x8/x4_3 slot is occupied. U.2/M.2/SATAEXPRESS1 configuration U.2, M.2, and SATAExpress1 share bandwidth with priority set to M.2. Refer to the table below for configurations. M.2 SATA device inserted M.2 PCIe device inserted M.2 port empty U.2 Disabled Disabled Enabled M.2 SATAEXPRESS1 M.2 SATA mode SATA 6G disabled, PCIe mode enabled M.2 PCIe mode SATA 6G enabled, PCIe mode enabled N/A SATA 6G enabled, PCIe mode enabled ASUS MAXIMUS VIII EXTREME/ASSEMBLY 1-23