2-Port Serial / 1-Port Parallel PCIe Combo Card w/ 16550 UART
RS-232 Serial / EPP Parallel Combo Controller - 2x 9-Pin RS-232 Serial + 25-Pin EPP Parallel External Ports - PCI-Express 1.0 X1 Slot - Low-Profile - MosChip MCS9901CV-CC Controller - Retail Box - Windows / OS X / Linux Compatible - 2 Year Depot Carry-In Mfg. Warranty