In a message dated 11/23/1999 6:39:20 PM Eastern Standard Time,
[log in to unmask] writes:

<<
<snip>
 I always run any monitor at 85Hz or higher if possible, haven't seen any
 problem, can you tell why high refresh rate "will damage monitor"? If higher
 rate damages monitor, then I will not use that brand of monitor at all.

 Thanks

 Jun Qian >>

Hi,
  Higher refresh rates shouldn't damage the monitor, unless you exceed the
maximum horizontal frequency that the monitor is designed for. The horizontal
frequency can be found by multiplying the horizontal resolution times the
refresh rate, plus about 5% for the vertical blanking period. If you were
running 800x600 at 85Hz refresh rate, then the approximate horizontal
frequency will be (600 x 85) x 1.05 = 53,550 or about 53.5Khz.
  As long as the monitor supports a higher horizontal frequency, you should
be fine. If you exceed the maximum frequency, results can range from the
monitor shutting down (on better designed ones), to blowing the horizontal
output transistor (on the average monitor). This requires a trip to the
repair shop to fix, so it is something to avoid doing.

HTH,
Peter Hogan
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