I was seeking help regarding certain specific EEPROM writer for reprogramming mine irda EEPROM . Mine irda is of Mobile Action Company Model is MA-620. It is having same Problem as that seen In ES 620 Irda regarding USB - SERIAL CONTROLLER. DRIVER INSTALLATION FAILURE. U MAY FIND DETAILED INFO ABT THIS PROB. ON THIS FOLLOWING PAGE.
SCROLL DOWN TILL U FIND a Long posting by ANONYMOUS. iT IS REGARDING ES 620 USB IRDA PROBLEM.