[nylug-talk] Ubuntu Monitor/clocking/etc

Seth Rothenberg seth at pachai.net
Sun Dec 9 13:20:00 EST 2007


Hi, I have a monitoring problem,
looking for some leads.

I have an XPC running Ubuntu for about 6 months.
I did a dist-upgrade about a month ago, so it's
probably 7.10 - and I set up a new monitor on Friday,
a Viewsonic 11444

It seemed to work for a few days, but it warns me
that I should use 1440x900

Today, it got that out-of-sync-video look - unusable.
Under the Information menu, it is saying
H. Freq 65.5 MHz, Vert Frez 60.3 Hz
resolution 1440 x 1050
Pixel clock 123.1 MHz

In text mode, which is legible,
it says 31.1 KHz x 70.2 Hz @ 720x400, pexel 28.3 MHz

(units might be off, I am in the basement now :-)

I found the xorg config file, and there is a mode
line that looks familiar like 1400x1050 (NOT 1440x1050)
but I don't know how to construct one for 1440x900.

Also, what happened that worked for 3 days?

Should I just blindly copy one of these that Google found me
for a Toshiba notebook?

Modeline      "1440x900" 130.75 1440 1536 1688 1936 900 901 904 938

Modeline      "1440x900" 105.75 1440 1488 1520 1600 900 903 909 931 +HSync -Vsync



Thanks
Seth




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