Combo 2 DB-9 Serial (RS-232, COM) + 1 DB-25 Parallel Printer Ports (LPT1) PCI-e Controller Card, IOC Chipset Supports 32-bit PCI-e Bus PCI-e Specification 2.1 Supports More Than One Card in a System Parallel Port Specifications: Built-in SPP, PS2, EPP, ECP Compatible IEEE 1284 Printer Port, Fast Data Rates up to 1.5M Bytes/sec, Built-in 16 Byte FIFO Serial Port Specifications: Programmable Baud Rate Generators, 4, 5, 6, 7 & 8-bit Characters