Hello everyone! I have similar problems, I have an athlon 220G and I have 3 boards, all a320mk, 1 is a rev. 1.02 and the other 2 are rev. 1.04.
The plate rev. 1.02 has a macronix MX25U12873F eeprom, and it worked with the rom, 4011, while the rev. 1.04 have winbond 25q128fwsq eeprom, it doesn't work, I use CH341 with 1.8v, and AsProgramer, the rev. 1.04 turns on the led, and turns on the fan but gives no signal.
Does the eeprom have anything to do with it?​

Sorry, im using translate, im speak spanish...