Here is the setting you should use on the Interex Monitor Adapters that we are now sending. This setting is multimode for 640x480 and 832x624, and will work with the Princeton monitors on the Catalyst logic board (used in PowerCurves, PowerCenters, and PowerTowers).
Switch: 1 2 3 4 5 6 7 8 9 10
Setting: ON OFF OFF ON ON ON ON ON ON OFF
Switches 1, 4, 5, 6, 7, 8, and 9 should be ON (towards the Mac connector).
Switches 2, 3, and 10 should be OFF.
Machines Affected: All