I found a couple of lines from the respective Xorg.0.log files for the two drivers which perhaps are pertinant:
For the nv driver: (--) NV(0): Display dimensions: (340, 270) mm (--) NV(0): DPI set to (76, 72) For the nvidia driver: (--) NVIDIA(0): DPI set to (95, 96); computed from "UseEdidDpi" X config option This sounds like it could be what I am after. I have never heard of the "UseEdidDpi" X config option, and I am sure I have never personally changed it, but I will investigate it and see if it affects my problem. Thanks -- David Bruce -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]