官网说明1 PCIeX16_3 slot shares bandwidth with PCIeX1_1 and PCIeX1_3. *2 M.2_2 socket shares PCIe clock with PCIeX1_1, when PCIeX1_1 or PCIeX1_3 are occupied, M.2_2 only can support SATA mode. *3 Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio. *4 Windows 7 64-bit is only supported when using AMD Ryzen™ 2nd Generation/ Ryzen™ 1st Generation / 7th Generation A-series/ Athlon™ Processors.