Intresting X Question...
malcolm.kay at internode.on.net
Wed Nov 16 07:15:10 GMT 2005
On Wed, 16 Nov 2005 03:31 pm, Eric Murphy wrote:
> Maybe some body can explain this alittle better then my google
> searchs and other readings.
> My question is this: Lets say your installing BSD on some
> workstation, you dont know the hardware specs of the monitor
> (Vertical and Horizontal rates ect..) and you need to
> configure Xorg. Its my understanding that Xorg runs getconfig,
> which determines the video card type and monitor type. Once it
> has that information it applys the information gatherd to the
> xorg config. Is that how it works? I was going to say, it cant
> just test a bunch of differnt monitor rates that could cause
> damage to the monitor.
Most modern monitors respond to Xorg's enquiry over an I2C bus
as to its capabilities.
If this doesn't work then maybe:
* The monitor is too old.
* The monitor doesn't subscribe to the 'standards'.
* Somehow the I2C bus is not working.
* The monitor manufacturer was overly optermistic when setting
up the information base for reporting over I2C
It is not a trial and error situation.
> However today in one of our labs I installed bsd on a machine
> and was unable to get xorg working properly becuase getconfig
> wasnt issueing the correct H and V rates for the monitor, I
> didnt know what to do without having to look it up. Anyway if
> someone could explain this process I would be much obliged.
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