[flashrom] reflashing a FX43G with FX43S419.BIN

[frits.swinkels]

I get:
Found ITE SuperI/O
found Via Vt8237 enable flashing write...OK
..
found SST SST49LF004A/B
image seems to be a legacy bios Disabling checks.
..
ERASE FAILED!

I suppose I have to do something with a jumper or what.

There is a Clear CMOS setting jumper with instructions
turn offf power + remove power cable
Remove jumper cap from 1 and 2 and put on 2 and 3 for a few seconds, 
then cap back to 1 and 2
plug in cable, etc.

I did this but no difference.