Severe problems with radeonHD 3470 and dual head conf



Hi,

I bought a new box with an ATI Radeon HD 3470 (it is one of the rare
graphic boards with 2 DVI and passive cooling).

Installing F12 it automatically configures xinerama mode (better
spanning) as desired. But:

- Using a VGA adapter and VGA connection the second screen uses
a thinner, hard to read font and just a few different colors
(e.g. light grey will become white).

- Using DVI connectors directly the second monitor does not
receive a signal at all, allthough xrandr reports both monitors
connected and xorg.log reads the monitors specifications (and
does not report any error).

If I switch the monitors, the same effect. So it is not caused by the
monitor itself or the cable.


Any advice how to resolve it greatly appreciated.


Thanks in advance

Peter



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