PCIE 2 Port Serial Expansion Card RS232 9PIN WCH382L Chip Adapter for Windows98/98SE/OS X Item Type: PCI‑E 2 Port Serial Expansion CardMaterial: PCB Colour: Black Chip: WCH382L Transfer Type: PCI-E to 2xCOM FIFO High-Speed Data Transfer Rate: Up to 250k/sec Support RS-232 Hardware Flow Control Data Bit Length: 5, 6, 7, 8 Equipment Rrequirements: An available PCI-Expresscard slot System Support: For Windows98/98SE/ME/2000/xp/Server 2003/xp 64bit/ Vista/ Win7/2008, Linux, OS X, etc. Application Areas: Industrial computer, communication, medical equipment, LED control, POS machine guest display, engraving machine, engraving machine (such as: pickup, map king, etc.), punch card machine, telephone program control machine, telephone billing device, serial mouse, flashing machine Use, POS serial printer, access control and attendance, single-chip microcomputer, serial connection equipment, serial network/monitoring equipment, data acquisition system, POS terminal and industrial PC, parallel port/print port application, additional I/O card-Serial/Parallel /USB, embedded system-I/O expansion, PLC design and simulation, etc. Other 9-pin serial port general equipment. How e: 1. Open the computer case and remove the rear baffle 2. Insert the riser card into the corresponding PCI-Expres slot 3. Power on after installing the chassis, read the driver disk, and use it after installing the driver