1. For any questions related to flashing multicontrollers, there is a separate topic.
viewtopic.php?f=170&t=159122. When using a flexible cable and flashing through the keyboard connector, only the IT8176FN-56A 56kb keyboard controller is flashed.
to flash IT8227 on this board you need to solder wires to the board.
p.s. to flash ITE multicontrollers, all necessary power supplies must be present on it. and it must be taken into account that the multicontroller itself includes some necessary power supplies.