Asus Z87M-PLUS Z87M-PLUS User's Manual - Page 31
IRQ assignments for this motherboard
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VGA configuration PCIe Express operating mode PCIe 3.0/2.0 x16_1 PCIe 2.0 x16_2 Single VGA/PCIe card x16 (single VGA recommended) N/A Dual VGA/PCIe card x16 x4 • In single VGA card mode, use the PCIe 3.0/2.0 x16_1 slot (yellow) for a PCI Express x16 graphics card to get better performance. • We recommend that you provide sufficient power when running CrossFireX™ mode. • Connect a chassis fan to the motherboard connector labeled CHA_FAN1-2 when using multiple graphics cards for better thermal environment. • The PCIe x16_2 slot shares bandwidth with PCIe x1_2 slot. The default setting is x2 mode. Go to the BIOS setup to change the settings. IRQ assignments for this motherboard PCIe x16_1 PCIe x16_2 PCIe x1_1 PCIe x1_2 Intel SATA Controller Realtek LAN Intel xHCI Intel EHCI 1 Intel EHCI 2 HD Audio A B C D E F G H shared - - - - - - - - shared - - - - - - - - - shared - - - - - shared - - - - - - - - - shared - - - - - - shared - - - - - - - - - - shared - - - - - - - - - shared - - - - shared - - - - - - - - - shared - Chapter 1 ASUS Z87M-PLUS 1-17