Siig 2-Port RS232 Mini PCIe. Host interface: Mini PCI Express, Output interface: Serial, Serial interface type: RS-232. Certification: FCC, CE. Chipset: PLX OXPCIe952, FIFO (First In, First Out): 128 B. Compatible operating systems: Windows 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) / Server 2003 & 2008 (32-/64-bit) /...