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General Hardware General hardware related questions. |
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Thread Tools | Display Modes |
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LCD Screen Resolution
Hello,
The motherboard of my AMD 64 bit PC failed, so I connected the LG Flatron L194WT-SF monitor to my old PC with a Matrox video card, but cannot get anything better than 800x600 resolution. I am running FeeBSD 8.2 (was using OpenSolaris on the newer PC.) Is there any simple way to fix this? As well as many other things, X says: Code:
(II) MGA(0): <default monitor>: Using default hsync range of 31.50-37.90 kHz (II) MGA(0): <default monitor>: Using default vrefresh range of 50.00-70.00 Hz (WW) MGA(0): Unable to estimate virtual size (II) MGA(0): Clock range: 17.75 to 1200.00 MHz (II) MGA(0): Not using default mode "640x350" (vrefresh out of range) (II) MGA(0): Not using default mode "320x175" (bad mode clock/interlace/doublescan) (II) MGA(0): Not using default mode "640x400" (vrefresh out of range) (II) MGA(0): Not using default mode "320x200" (bad mode clock/interlace/doublescan) (II) MGA(0): Not using default mode "720x400" (vrefresh out of range) (II) MGA(0): Not using default mode "360x200" (vrefresh out of range) (II) MGA(0): Not using default mode "320x240" (bad mode clock/interlace/doublescan) (II) MGA(0): Not using default mode "640x480" (vrefresh out of range) (II) MGA(0): Not using default mode "320x240" (bad mode clock/interlace/doublescan) (II) MGA(0): Not using default mode "640x480" (vrefresh out of range) (II) MGA(0): Not using default mode "320x240" (bad mode clock/interlace/doublescan) (II) MGA(0): Not using default mode "640x480" (hsync out of range) (II) MGA(0): Not using default mode "320x240" (hsync out of range) (II) MGA(0): Not using default mode "800x600" (hsync out of range) (II) MGA(0): Not using default mode "400x300" (hsync out of range) (II) MGA(0): Not using default mode "800x600" (hsync out of range) (II) MGA(0): Not using default mode "400x300" (hsync out of range) (II) MGA(0): Not using default mode "800x600" (hsync out of range) (II) MGA(0): Not using default mode "400x300" (hsync out of range) (II) MGA(0): Not using default mode "1024x768" (vrefresh out of range) (II) MGA(0): Not using default mode "512x384" (vrefresh out of range) (II) MGA(0): Not using default mode "1024x768" (hsync out of range) (II) MGA(0): Not using default mode "512x384" (hsync out of range) (II) MGA(0): Not using default mode "1024x768" (hsync out of range) (II) MGA(0): Not using default mode "512x384" (hsync out of range) (II) MGA(0): Not using default mode "1024x768" (hsync out of range) (II) MGA(0): Not using default mode "512x384" (hsync out of range) (II) MGA(0): Not using default mode "1024x768" (hsync out of range) (II) MGA(0): Not using default mode "512x384" (hsync out of range) (II) MGA(0): Not using default mode "1152x864" (hsync out of range) (II) MGA(0): Not using default mode "576x432" (hsync out of range) (II) MGA(0): Not using default mode "1280x960" (hsync out of range) (II) MGA(0): Not using default mode "640x480" (hsync out of range) (II) MGA(0): Not using default mode "1280x960" (hsync out of range) (II) MGA(0): Not using default mode "640x480" (hsync out of range) (II) MGA(0): Not using default mode "1280x1024" (hsync out of range) (II) MGA(0): Not using default mode "640x512" (hsync out of range) (II) MGA(0): Not using default mode "1280x1024" (hsync out of range) (II) MGA(0): Not using default mode "640x512" (hsync out of range) (II) MGA(0): Not using default mode "1280x1024" (hsync out of range) (II) MGA(0): Not using default mode "640x512" (hsync out of range) (II) MGA(0): Not using default mode "1600x1200" (hsync out of range) (II) MGA(0): Not using default mode "800x600" (hsync out of range) (II) MGA(0): Not using default mode "1600x1200" (hsync out of range) (II) MGA(0): Not using default mode "800x600" (hsync out of range) (II) MGA(0): Not using default mode "1600x1200" (hsync out of range) (II) MGA(0): Not using default mode "800x600" (hsync out of range) (II) MGA(0): Not using default mode "1600x1200" (hsync out of range) (II) MGA(0): Not using default mode "800x600" (hsync out of range) (II) MGA(0): Not using default mode "1600x1200" (hsync out of range) (II) MGA(0): Not using default mode "800x600" (hsync out of range) (II) MGA(0): Not using default mode "1792x1344" (hsync out of range) (II) MGA(0): Not using default mode "896x672" (hsync out of range) (II) MGA(0): Not using default mode "1792x1344" (hsync out of range) (II) MGA(0): Not using default mode "896x672" (hsync out of range) (II) MGA(0): Not using default mode "1856x1392" (hsync out of range) (II) MGA(0): Not using default mode "928x696" (hsync out of range) (II) MGA(0): Not using default mode "1856x1392" (hsync out of range) (II) MGA(0): Not using default mode "928x696" (hsync out of range) (II) MGA(0): Not using default mode "1920x1440" (hsync out of range) (II) MGA(0): Not using default mode "960x720" (hsync out of range) (II) MGA(0): Not using default mode "1920x1440" (hsync out of range) (II) MGA(0): Not using default mode "960x720" (hsync out of range) (II) MGA(0): Not using default mode "832x624" (hsync out of range) (II) MGA(0): Not using default mode "416x312" (hsync out of range) (II) MGA(0): Not using default mode "1400x1050" (hsync out of range) (II) MGA(0): Not using default mode "700x525" (hsync out of range) (II) MGA(0): Not using default mode "1400x1050" (hsync out of range) (II) MGA(0): Not using default mode "700x525" (hsync out of range) (II) MGA(0): Not using default mode "1920x1440" (hsync out of range) (II) MGA(0): Not using default mode "960x720" (hsync out of range) (II) MGA(0): Not using default mode "2048x1536" (hsync out of range) (II) MGA(0): Not using default mode "1024x768" (hsync out of range) (II) MGA(0): Not using default mode "2048x1536" (hsync out of range) (II) MGA(0): Not using default mode "1024x768" (hsync out of range) (II) MGA(0): Not using default mode "2048x1536" (hsync out of range) (II) MGA(0): Not using default mode "1024x768" (hsync out of range) (--) MGA(0): Has SDRAM (--) MGA(0): Virtual size is 800x600 (pitch 800) (**) MGA(0): *Default mode "800x600": 40.0 MHz, 37.9 kHz, 60.3 Hz (II) MGA(0): Modeline "800x600"x60.3 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz) (**) MGA(0): *Default mode "800x600": 36.0 MHz, 35.2 kHz, 56.2 Hz (II) MGA(0): Modeline "800x600"x56.2 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz) (**) MGA(0): *Default mode "640x480": 25.2 MHz, 31.5 kHz, 59.9 Hz (II) MGA(0): Modeline "640x480"x59.9 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz) (**) MGA(0): *Default mode "400x300": 20.0 MHz, 37.9 kHz, 60.3 Hz (D) (II) MGA(0): Modeline "400x300"x60.3 20.00 400 420 484 528 300 300 302 314 doublescan +hsync +vsync (37.9 kHz) (**) MGA(0): *Default mode "400x300": 18.0 MHz, 35.2 kHz, 56.3 Hz (D) (II) MGA(0): Modeline "400x300"x56.3 18.00 400 412 448 512 300 300 301 312 doublescan +hsync +vsync (35.2 kHz) Code:
X.Org X Server 1.7.5 Release Date: 2010-02-16 X Protocol Version 11, Revision 0 Build Operating System: FreeBSD 8.0-RELEASE-p6 i386 Current Operating System: FreeBSD gilbert.mgh.private.ac.uk 8.2-RELEASE FreeBSD 8.2-RELEASE #0: Fri Feb 18 02:24:46 UTC 2011 root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 Build Date: 02 February 2011 12:50:49PM Code:
(--) PCI:*(0:2:0:0) 102b:0525:102b:0541 Matrox Graphics, Inc. MGA G400/G450 rev 133, Mem @ 0xf2000000/33554432, 0xfeafc000/16384, 0xfe000000/8388608, BIOS @ 0x????????/65536 (--) PCI: (0:1:12:0) 109e:036e:0070:13eb Brooktree Corporation Bt878 Video Capture rev 17, Mem @ 0xf16fe000/4096 (==) Using default built-in configuration (30 lines) (==) --- Start of built-in configuration --- Section "Device" Identifier "Builtin Default mga Device 0" Driver "mga" EndSection Last edited by ocicat; 3rd September 2011 at 01:45 PM. Reason: Please use [code] & [/code] tags when posting command output. |
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It could be that Matrox doesn't support DDC2/3 and/or your LCD monitor doesn't support DDC1.
DDC is an i2c bus that allows bidirectional communication between your monitor and the video card, it is needed for the driver to determine the maximum supported resolution. If you can find an old Xorg.0.log from your newer system, you can find the Modeline and Vert/Horiz sizes and copy them into a xorg.conf on your older system. |
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I'm not sure if the MGA driver is xrandr 1.2 compliant but, if it is, you can try creating and adding a mode to the monitor.
Code:
xrandr --newmode "1280x1024_60.00" 109.00 1280 1368 1496 1712 1024 1027 1034 1063 -hsync +vsync xrandr --addmode DVI-0 "1280x1024_60.00" xrandr --output DVI-0 --mode "1280x1024_60.00" Adam |
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