ATI 4850/4870 voltmod thread

[Jimbo Mahoney]

My 4830 has almost the same chip as the picture in the first post shows:

uP6201BQ

but the second line is different.

Will the voltage mod be the same? i.e. 100k VR from top right pin (or other point connected directly to that pin) to ground?

EDIT - Also, my 4830 default 3D voltage seems to be 1.26v. It does 775 Mhz easily. Is this normal?

It ties in with the speeds / voltage this guy had on his 4850:

http://forum.beyond3d.com/showpost.p...postcount=4695

e.g. 775 Mhz @ 1.26v