Manual
Page 8
... slot is not supported. (Note 3) The PCIEX1_1 and PCIEX1_2 slots share bandwidth with a x4 expansion card, the PCIEX1_1 and PCIEX1_2 slots become unavailable. GA-880G-USB3 Motherboard Block Diagram 1 PCI Express x16 AM3+/AM3 CPU PCIe CLK (100 MHz) LAN 2 USB 3.0/2.0 RJ45 Hyper Transport 3.0 DDR3 1866 (O.C.) (Note 1)/ 1333/1066 MHz Dual Channel Memory Realtek Etron...
... slot is not supported. (Note 3) The PCIEX1_1 and PCIEX1_2 slots share bandwidth with a x4 expansion card, the PCIEX1_1 and PCIEX1_2 slots become unavailable. GA-880G-USB3 Motherboard Block Diagram 1 PCI Express x16 AM3+/AM3 CPU PCIe CLK (100 MHz) LAN 2 USB 3.0/2.0 RJ45 Hyper Transport 3.0 DDR3 1866 (O.C.) (Note 1)/ 1333/1066 MHz Dual Channel Memory Realtek Etron...