Jrifedptry 1Set PCIE USB2.0 Adapter Card MCS9990 Chipset Allows Hot-Swapping USB Riser Card PCB

Four USB2.0 host ports are integrated with on-chip transceivers and support four Enhanced Host Controller Interfaces (EHCI) and four Open Host Controller Interfaces (OHCI). It supports two modes of operation: - USB host mode and OTG mode, selectable by device mode select pin. - USB host mode supports four USB2.0 host ports and four USB host controllers. - OTG mode supports two USB2.0 host ports, one USB OTG port, and provides the function of selecting GPIO or ISA interface. USB OTG port is integrated with OTG PHY and supports host and device operation.Temporary ISA interface supports up to four serial ports and/or up to two parallel ports. Temporary 24 GPIO pins can be programmed as input or output. PCI Express, Single- (x1) PCI Express endpoint controller with integrated PHY, Compliant with PCI Express Base Specification Revision 1.1, Compliant with PCI Express card specification, Supports multiple DMA transactions, Supports eight PCI Express functions, Support message TLP (error) generation, Support legacy and interrupt mechanism, Support PCIe power management with ASPM support