PCI to 4 Ports RS232 Serial Card, 64 Bit, ... port expansion card of 64 UK chipsNo switch, no jump line, easy setting by softwareSupports ISA and PCI busCompatible ... addressASIC design, high stability, low repair rateTransmission rate up to 921.6 KBPSMore than 900 KBPS data throughput, top ... controlDriver supports Windows/Linux/Unix series operating system PCI to 4 Ports RS232 Serial Card, 64 Bit, 2000 ...