HOW TO USE RT809F

TO REPROGRAM ENE KBC9012QF TO FACTORY FIRMWARE

WARNING FOR TECHNICIAN ONLY

ANY FAILURE OR INCORRECT PROCEDURE WILL HARMFUL FOR YOUR COMPUTER


RT809F SERIAL ISP PROGRAMMER



PIN INSTALLATION






















JUMPER PO IN CONNECT SO IC PIN TO KEYBOARD CONNECTOR



PIN1 TO KSI4



PIN 2 TO KSI7



PIN 4 TO GND AND KSO3



PIN 5 TO KSI6



PIN 6 TO KSI 5






PIN 8 TO ANY 3V POWER ON CIRCUIT






TO GET 3V POWER ON CIRCUIT

WE SHOULD PLUG IN THE ADAPTER IF CIRCUIT MISSING 3V POWER FIXED THE SMPS POWER SUPPLY BEFORE REPROGRAM EMBEDDED CONTROLLER




INSTALLATION WILL LOOK LIKE THIS



RUN RT809F EXE AND INPUT CHIP PART NUMBER CLICK HISTORY AND SELECT KB9012QFA3 AND CLICK OK






CLICK READ AND SAVE TO BACKUP OLD DUMP ORIGINAL FIRMWARE






OPEN CLEAN FACTORY 128 KB FIRMWARE AND CLICK WRITE TO REPROGRAM









WAIT UNTIL VERIFYING DONE AND NEW CLEAN FIRMWARE INSTALLED






end.