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Difference Between “COM”, “USB”, “Serial Port” – Rabbi Al-Mamun(Saihan)
Enable Serial Port COM2
StarTech.com 2-Port PCI Express Serial Card PCIe to Dual Port RS232 (DB9) Card COM Retention - 21050-PC-SERIAL-CARD - Serial Adapters - CDW.com
COM (hardware interface) - Wikipedia
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StarTech.com 2 Port Low Profile PCI Express Serial Card - 16550 - Add 2 high-speed RS-232 serial ports to your low profile/small form factor computer with a PCI Express expansion slot -