On 01/22/2012 12:42 PM, Mark Knecht wrote:
I played a bit with get-edid | parse-edid. Logically that stuff even
working says the VGA monitor cable is bidirectional. I started
wondering if the KVM messes up the data coming back, or what else
might be going on. Thanks for the ideas, Mark
Many of the cheap KVM models do, indeed, mess up the EDID data coming
from the monitor. I suspect that this is from old design specs that
have too much pull-up/pull-down on the EDID lead since the boxen haven
been re-engineered for newer, higher resolution and higher speed monitors.
I have had problems specifically with the BELKIN KVMs.
It may also be that the video drivers for Linux are just enough
different (necessarily) from the MSFT drivers to not reliably sense the
EDID return signals.
I did as others suggested and tried several until I found one that
worked. Sometimes a slightly different model/serial/part no KVM from
the same manufacturer would/wouldn't work.
--
G.Wolfe Woodbury
redwo...@gmail.com
