FSX Resolution Problems with Matrox Triple Head2Go

Hi Simviation Forum Members,
I have a very mysterious problem with my FSX.cfg. I have three 22" widescreens connected over a Matrox Triple Head2Go Digital adapter. The graphiccard setup is a Zotac GTX275AMP! with the Nvidia Detonator driver 190.38. I have installed the Matrox adapter, flashed the firmware to the newest, updated the Matrox software and installed the last version of SGU. So I modified the FSX.cfg over the SGU to enable the higher resolutions for FSX. But it doesn
I have a very mysterious problem with my FSX.cfg. I have three 22" widescreens connected over a Matrox Triple Head2Go Digital adapter. The graphiccard setup is a Zotac GTX275AMP! with the Nvidia Detonator driver 190.38. I have installed the Matrox adapter, flashed the firmware to the newest, updated the Matrox software and installed the last version of SGU. So I modified the FSX.cfg over the SGU to enable the higher resolutions for FSX. But it doesn