1.PCI to 4 Ports RS232 Serial Card 2.2000 V Surge Protection 3.UK Chip 4.Support Windows/Linux/ ... between IRQ and addressASIC design, high stability, low repair rateSupports 2000 V surge protectionTransmission rate up to 460.8 KBPSSupport ISA ... system PCI-4 Ports RS232 Multi-serial port Card, 64 Bit, UK Chip, 2000 V Surge Protection