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What better way to efficiently use system resources than Lava's two-port DSerial-PCI 3.3 V? The board provides the easiest way to double the number of 16550 UART serial ports in your system while using only one system IRQ. This "tried and true" board is one of the most reliable and flexible Plug and Play products on the market. The DSerial-PCI 3.3 V is the ideal means of adding serial ports to systems with 3.3 volt PCI or PCI-X slots. Few serial peripherals or PCs would not benefit from the DSerial-PCI 3.3 V's speed and economical usage of PCI real estate, IRQs, and COM port resources. Connecting Lava's DSerial-PCI 3.3 V to external modems, serial printers, handhelds and PDAs, mice and trackballs, keypads, serial POS devices, digital cameras and other devices has never been easier!