Interestingly, if I connect the same monitor via the Apple DVI-VGA adapter using the monitor's D-SUB input, X _does_ start up OK (even using the same ModeLine, AFAICT)
Interestingly, if I connect the same monitor via the Apple DVI-VGA adapter using the monitor's D-SUB input, X _does_ start up OK (even using the same ModeLine, AFAICT)