XFX 5670 Eyefinity, Flashing Screen

[DjiXas]

Hello, I have XFX 5670 GDDR3 (HD-567X-ZAF3 XFX) with DisplayPort and Sapphire active DP > DVI cable. When I plug it in, screen starts flashing every second.

I have read that others solved this by flashing their bios, but I can't find any for 5670 GDDR3!

Does anyone know how much voltage is raised and could tell me how can I do that by myself?

 

[kristmace]

MSI afterburner is a good voltage tweaker if you enable unofficial overclocking in the settings file.

I reckon you'll struggle to find a bios for a 5670 as it's a lower end card. Good luck though.

 

[DjiXas]

Thanks for reply!

Is there a specific part I need to tweak? I can only see core voltage there, but I read there is a specific setting just for port itself? Or I misunderstood?

Downloaded Radeon BIOS Editor but have no idea which voltage to raise and by how much for GDDR3.

 

[DazQ87]

I was under the impression this sort of problem was caused by the memory clock being too low when in 2D mode? If it was me I would have a look at using something like afterburner to try and up the memory speed of the 2D profile.

 

[DjiXas]

Unfortunately, the voltage control is locked. I can only raise it via BIOS flash :|