StarTech.com 2-Port ISA RS232 Serial Adapter Card with 16550 UART (ISA2S550)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Built-in jumpers allow easy configuration to any free IRQ</li><li>Data transfer rates of up to 460.8 Kbits/sec. for peak serial device performance</li><li>Easy to install and use with full step-by-step instructions</li><li>Supports COM1-COM7 and IRQ 3，4，5，9，10，11，12，15 settings for each port</li><li>Full jumper set to ensure compatibility with almost any PC system; Supports the RS-232 interface</li></ul></div><img src="http://ecx.images-amazon.com/images/I/4181485QW6L.jpg" noproxy>