Product description：   
Extend two DB9 serial ports in PC with PCI slot
Features
Plug and play,automatically assigns IRQ and I/O address
Suppots PCI I/Q sharing
Available to change the port number of new serial card by hand

Specification
Accord with PCIRev2.1agreement
Accord with the standard  with 16 byte received 16 C550 UART input and output
Transmission rate up to 1 Mbytes/s
Two DB9 joints

System requirements
With 32 bit PCI slot in PC
MS Windows 98SE/Me/2000/XP/NT4.0/Vista/7, Linux, DOS

Package list
2 serial cards
Manual
Driver disc
Chipset :MCS9835CV