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notroot
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Joined: 06 Jan 2006
Posts: 8
Location: /dev/null
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 Posted: Tue Aug 22, 2006 5:03 pm Post subject: Forcing NVIDIA driver to higher resolution |
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Alright, so here is the problem. I had a nicely working twinview set up, then I decided to get larger monitors. Now, I can't run twinview at 1280x1024 on both screens.
I know that the card can handle driving these resolutions, it just seems to be the NVIDIA driver.
I am using the latest version of the NVIDIA drivers, the card is a GeForce4 MX so its not the beastiest card ever, but it can do this.
So, has anybody had any success with forcing the NVIDIA driver into a mode it doesn't seem to want to do? Or am I just stuck buying a new card.
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yabbadabbadont
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Joined: 14 Mar 2003
Posts: 4791
Location: 2 exits past crazy
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| Posted: Tue Aug 22, 2006 5:35 pm Post subject: |
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Try adding:
Option "UseEDID" "false"
To the Device section of xorg.conf and see if it helps. I had to, in order to force 1024x768@75, while older driver versions allowed it without fuss. Progress I suppose. 
Edit: Make sure that you have both HorizSync and VertRefresh settings correctly specified in your Monitor section.
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notroot
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Joined: 06 Jan 2006
Posts: 8
Location: /dev/null
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| Posted: Wed Aug 23, 2006 1:16 am Post subject: |
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So I played around with it a little bit and it didn't work.
The EDID is the identifier for the monitor, in your case the driver didn't think the monitor could support the resolution, in my case it seems to be the card.
It runs one monitor at 1280x1024 just fine, but wont drive two.
Anybody else have any suggestions? I included what I thin is the relivant part of the Xorg log.
| Code: | II) Setting vga for screen 0.
(**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
(==) NVIDIA(0): RGB weight 888
(==) NVIDIA(0): Default visual is TrueColor
(==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
(**) NVIDIA(0): Option "ConnectedMonitor" "CRT,CRT"
(**) NVIDIA(0): Option "RenderAccel" "TRUE"
(**) NVIDIA(0): Option "TwinView"
(**) NVIDIA(0): Option "TwinViewOrientation" "RightOf"
(**) NVIDIA(0): Option "SecondMonitorHorizSync" "30-63"
(**) NVIDIA(0): Option "SecondMonitorVertRefresh" "56-76"
(**) NVIDIA(0): Option "MetaModes" "1280x1024,1280x1024"
(**) NVIDIA(0): Enabling RENDER acceleration
(**) NVIDIA(0): TwinView enabled
(**) NVIDIA(0): ConnectedMonitor string: "CRT,CRT"
(II) NVIDIA(0): NVIDIA GPU GeForce4 MX Integrated GPU at PCI:1:0:0
(--) NVIDIA(0): VideoRAM: 65536 kBytes
(--) NVIDIA(0): VideoBIOS: 04.1f.00.07.a1
(II) NVIDIA(0): Detected AGP rate: 4X
(--) NVIDIA(0): Interlaced video modes are supported on this GPU
(--) NVIDIA(0): Connected display device(s) on GeForce4 MX Integrated GPU at
(--) NVIDIA(0): PCI:1:0:0:
(--) NVIDIA(0): Acer AL1916 (CRT-0)
(--) NVIDIA(0): Acer AL1916 (CRT-1)
(--) NVIDIA(0): Acer AL1916 (CRT-0): 300.0 MHz maximum pixel clock
(--) NVIDIA(0): Acer AL1916 (CRT-1): 300.0 MHz maximum pixel clock
(II) NVIDIA(0): Assigned Display Devices: CRT-0, CRT-1
(II) NVIDIA(0): Validated modes:
(II) NVIDIA(0): "1280x1024,1280x1024"
(II) NVIDIA(0): Virtual screen size determined to be 1280 x 1024
(--) NVIDIA(0): DPI set to (85, 86); computed from "UseEdidDpi" X config option
(--) Depth 24 pixmap format is 32 bpp
(II) do I need RAC? No, I don't.
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