Function:Expand 8 DB9 serial cable in the computer with PCI slot .
Features:Comply with the standard PCI Revision2.3 specification .
Provides 8 serial ports .Data transfer rate up to 926.1Kbps.256 bytes FIF0 buffer per port .
Automatic IRQ and I/0 address allocation .PCIIRQ sharing .No need for switches and jumpers, all settings can be done via software.
System Requirements: Compatible with DOS,LINUX2.4,LINUX2.6,WIN98,WIN2000,WINXP32/64,WIN2003 ,VISTA WIN 2008, WIN7, WIN8 ,WIN10.