HiSerial.sys Serial Port Driver 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. Version 1.5 may include unspecified updates, enhancements, or bug fixes.
What's new in version 1.5
ReleaseNovember 8, 2008
Date AddedJuly 17, 2006
Operating SystemsWindows, Windows 2000, Windows XP
Additional RequirementsWindows 2000/XP, 115200 baud serial port speed