--- programs/Xserver/hw/xfree86/common/xf86Mode.c.orig	2005-11-30 11:35:17.000000000 +0100
+++ programs/Xserver/hw/xfree86/common/xf86Mode.c	2006-01-30 15:25:48.000000000 +0100
@@ -765,7 +765,7 @@
 	}
 	if (mon_range) {
 	    /* mode->Clock in kHz, DDC in MHz */
-	    if (mon_range->max_clock < 2550 &&
+	    if (mon_range->max_clock != 0 && mon_range->max_clock < 2550 &&
 		 mode->Clock / 1000.0 > mon_range->max_clock) {
 		xf86Msg(X_WARNING,
 		   "(%s,%s) mode clock %gMHz exceeds DDC maximum %dMHz\n",