USB to TTL driver chip is used ft232.

ft232usbdriver2.0\COMPORT.PDF
.................\FTCOMMS.VXD
.................\ftdibus.cat
.................\FTDIBUS.INF
.................\ftdibus.sys
.................\FTDIBUS_OPTIONS.rtf
.................\ftdiport.cat
.................\FTDIPORT.INF
.................\FTDIUN2K.INI
.................\FTDIUNIN.EXE
.................\FTDIUNIN.INI
.................\FTLang.dll
.................\FTSENUM.SYS
.................\FTSENUM.VXD
.................\ftser2k.sys
.................\FTSERIAL.SYS
.................\ftsermou.cat
.................\FTSERMOU.INF
.................\FTSERMOU.VXD
.................\FTSERUI.DLL
.................\ftserui2.dll
.................\help.txt
.................\README.TXT
ft232usbdriver2.0

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