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HiSerial.sys 1.2
Driver update in Networking. Operating system support: Windows XP/2000.
From the developer: "HiSerial.sys is a replacment for Microsoft's Serial.sys serial port driver. HiSerial.sys does enable high speed serial communication up to 921600 baud on both serial ports. The possibility of speeds higher than 115200 baud depends on the computers chipset." Learn more.