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Home > Archive > Red Hat Installation > September 2006 > xorg.conf and Sony SDM-P234
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xorg.conf and Sony SDM-P234
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| spinlock 2006-09-09, 1:21 pm |
| Just installed RH 4 Emterprise.
ATI x1600XT and Sony monitor, native res 1920x1200.
My vid card is not recognized, I added 1920x1200 to the list of options on
the generic.
The monitor was recognized, but 1920x1200 does not show as an option in
preferences or display settings, 1600x1200 is best listed.
I think X does not understand that this monitor can go that high, so it wont
allow me to select it.
The conf file has the following for display:
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Sony SDM-P234 (Digital)"
DisplaySize 500 310
HorizSync 28.0 - 75.0
VertRefresh 57.0 - 63.0
Option "dpms"
EndSection
What does DisplaySize indicate? How can I mod this to allow 1920x1200?
thanks,
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| Dances With Crows 2006-09-09, 1:21 pm |
| [ excessive crossposting trimmed ]
["Followup-To:" header set to comp.os.linux.hardware.]
On Sat, 9 Sep 2006 06:39:34 -0700, spinlock staggered into the Black Sun
and said:
> Just installed RH 4 Emterprise. ATI x1600XT and Sony monitor, native
> res 1920x1200. My vid card is not recognized
Not surprising; the radeon module that comes with Xorg 7.0 says nothing
about the 1600XT. This is evidently a pretty new chipset. Did you read
the message I posted yesterday? Go do that, there's more stuff there.
The Message-ID is
slrneg364t.ams.danSPANceswitTRAPhcrows@samantha.crow202.dyndns.org if
you want to look it up via
http://groups.google.com/advanced_group_search .
> I added 1920x1200 to the list of options on the generic.
You mean "VESA" by "the generic", right? Be specific. You said earlier
that you're a total n00b, so one thing you may want to do is go read
http://catb.org/~esr/faqs/smart-questions.html for good (if snarky)
advice on getting tech support in a text-only medium.
> The monitor was recognized, but 1920x1200 does not show as an option
> in preferences or display settings, 1600x1200 is best listed.
VESA doesn't define anything larger than 1600x1200.
> I think X does not understand that this monitor can go that high, so
> it wont allow me to select it.
Or you need to define a custom Modeline for the huge (and non 4:3)
resolution that you want. google://'gtf.c' for a program that generates
custom Modelines. Or use fglrx and downgrade to 8.27.10 (or something)
since you said that 8.28.8 had stupid problems.
> The conf file has the following for display:
> Section "Monitor"
> DisplaySize 500 310
> HorizSync 28.0 - 75.0
> VertRefresh 57.0 - 63.0
> Option "dpms"
> EndSection
>
> What does DisplaySize indicate?
That's the size of the display in mm. The important numbers are
really the Hsync and Vsync numbers. Are those accurate? LCDs are
different from CRTs in that they don't really *have* sync rates. It can
be useful to increase the ranges beyond what they really are so that X
doesn't complain.
> How can I mod this to allow 1920x1200?
gtf spits out the following Modeline for that huge resolution:
# 1920x1200 @ 60.00 Hz (GTF) hsync: 74.52 kHz; pclk: 193.16 MHz
Modeline "1920x1200_60.00" 193.16 1920 2048 2256 2592 1200 1201
1204 1242 -HSync +Vsync
....just barely under the hsync range you have in xorg.conf . Try it,
see how it works. You may also wish to look up Message-ID
slrneehiko.39p.danSPANceswitTRAPhcrows@samantha.crow202.dyndns.org ,
where I explained how to get a similar monitor working. HTH,
--
Matt G|There is no Darkness in Eternity/But only Light too dim for us to see
Brainbench MVP for Linux Admin / mail: TRAP + SPAN don't belong
http://www.brainbench.com / I don't practice what I preach, because I'm
-----------------------------/ not the kind of person I'm preaching to.
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| Allen Kistler 2006-09-09, 1:21 pm |
| spinlock wrote:
> Just installed RH 4 Emterprise.
>
> ATI x1600XT and Sony monitor, native res 1920x1200.
>
> My vid card is not recognized, I added 1920x1200 to the list of options on
> the generic.
>
> The monitor was recognized, but 1920x1200 does not show as an option in
> preferences or display settings, 1600x1200 is best listed.
>
> I think X does not understand that this monitor can go that high, so it wont
> allow me to select it.
>
> The conf file has the following for display:
> Section "Monitor"
> Identifier "Monitor0"
> VendorName "Monitor Vendor"
> ModelName "Sony SDM-P234 (Digital)"
> DisplaySize 500 310
> HorizSync 28.0 - 75.0
> VertRefresh 57.0 - 63.0
> Option "dpms"
> EndSection
>
> What does DisplaySize indicate? How can I mod this to allow 1920x1200?
DisplaySize means the viewable area of the monitor is 500 mm by 310 mm.
To get your video into 1920x1200 mode, you'll need to use a driver that
supports your card and a 1920x1200 mode. If the ATI generic driver
doesn't do that, then you'll need to get a different video card. ATI
has been quite recalcitrant lately in supporting their cards, but that's
a completely different discussion.
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