Re: I killed my monitor!!
On Fri, 12 Nov 1999, Salman Ahmed wrote:
ssahme >so I don't think the modeline you mention was being used at all. I think
ssahme >that the modeline that was being used at all times under Debian was:
ssahme >
ssahme ># 1280x1024 @ 61 Hz, 64.2 kHz hsync
ssahme >Modeline "1280x1024" 110 1280 1328 1512 1712 1024 1025 1028 1054
the mode line i posted is the first that is not commented that is named
that
[aphro@galactica ~] grep -n Modeline old-bad-XF86Config | grep 1280x1024 |
more
382:Modeline "1280x1024" 80 1280 1296 1512 1568 1024 1025 1037 1165
Interlace
391:Modeline "1280x1024" 110 1280 1328 1512 1712 1024 1025 1028 1054
399:Modeline "1280x1024" 126.5 1280 1312 1472 1696 1024 1032 1040 1068
-HSync -VSync
406:Modeline "1280x1024" 135 1280 1312 1456 1712 1024 1027 1030 1064
411:Modeline "1280x1024" 135 1280 1312 1416 1664 1024 1027 1030 1064
418:Modeline "1280x1024" 157.5 1280 1344 1504 1728 1024 1025 1028 1072
+HSync +VSync
424:Modeline "1280x1024" 181.75 1280 1312 1440 1696 1024 1031 1046 1072
-HSync -VSync
I imagine, although i could be wrong, that X would take teh first mode it
sees with the name you specified.
ssahme >Is there any way to check a running X server to find out exactly which
ssahme >modeline is being used at a given time ??
what i do if i cant figure it out via onscreen controls is backup the
config file and start removing modelines till something breaks :) the
problem here is there are multiple modelines for 1280x1024 and the config
file tells your X server to use them..but whicih ?? i think it would use
the first one it sees.
ssahme >Ok. I am really clueless about monitor technology. Could you explain the
ssahme >diff. b/w interlaced and non-interlaced and how and why the interlaced
ssahme >setting could damage a new, digitally-controlled monitor like mine ?
http://www.netten.net/~garycox/monitor.htm
Interlacing refers to how a monitor refreshes (re-paints) the display. A
monitor operates by the use of an electron gun that scans the display
horizontally moving one line down vertically from top to bottom after
completing each line.
An interlaced monitor has an electron gun which skips every other line
during it's scan sequence and on the second scan every line which was
missed the first time are hit. Thus every other line on the display is
only refreshed every other scan sequence which causes the image not to be
in perfect sync causing a sort of jitter or flicker in the display.
Therefore, a NON-INTERLACED monitor, which scans EVERY line, will provide
for a better display (less flicker/jitter) and most monitors today are
non-interlaced.
The reason that some monitors use interlacing is because their circuitry
is not fast enough to scan the entire display at the speed needed to
produce the desired image... By skipping every other line only half the
space has to be scanned.
--end
as far as interlacing damaging your monitor i dont know ..but its the only
thing i found that appeared to be somewhat off. if you dont get a good
response here..email the gods at www.monitorworld.com they know quite a
bit:)
nate
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