The flickering will be because the video RAM is being written too while it is displaying rather than during retrace.
It is possible you have several issues here.
1) not reseting automatically at power up.
2) not accessing the video memory correctly.
3) not initialising the 6545 correctly.
4) timing signal lost somewhere.
5) or any combination of the above.
What version/revision Mainboard is this Coreboard sitting on?
Ernest
It is possible you have several issues here.
1) not reseting automatically at power up.
2) not accessing the video memory correctly.
3) not initialising the 6545 correctly.
4) timing signal lost somewhere.
5) or any combination of the above.
What version/revision Mainboard is this Coreboard sitting on?
Ernest