inputs.text: great package little use - bought two amazon device uses 2303v150 prolific driver comes simple viewer program check gps fix data nema outputi used device vista start along viewer program yet purchase fugawi enc soon asus releases next version 133\\ zenbook 60 days new 1900x1080 matte screen pick nav program tested first two units three days sending numerous emails back forth taimeta hopeless endless restarts endless loading 2303 driver became apparent something causing configuration driver become corrupted learned pull gps quickly soon cursor began jumping screen twice reload desktop corruptedon last day testing decided try second gps learned much inserted gps no driver loaded windows automatically loaded driver opened viewer gps acquired quick fix pulled opened closed viewer even restarted laptop no problems opened viewer first inserted gps viewer opened window saying gps assigned com4 cursor began jumping screen game never worked againi noticed early list com ports viewer win2k transposed list not com ports available list com ports already assigned also noticed device manager viewer assigned com port already used another devicetaimeta swears gps works flawlessly win7 maybe win7 better error management buy gps recommend not using viewer perhaps gps corruptable flash memory dont know sent back