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does anyone understand the nv4_disp.inf format?

Discussion in 'Nvidia' started by darius, Jan 28, 2005.

  1. darius

    darius Guest

    Hi

    I have a Geforce3 Ti200 (came with my dell) and using a widescreen 16x10
    monitor. I should upgrade but I want to wait til I can upgrade the whole
    system. Anyway, when I use dell's driver, I get 1280x800x32 as one of
    the resolutions. With the newer forceware drivers (I've tried several),
    I only get that rez if I add as a custom resolution. The difference is
    the dell driver, which is old (2002) and slow, gives me 32bit. The
    forceware driver only gives me 16bit even though I added it as 32 bit and
    it says 32 bit in display properties. I know it's 16bit b/c I can see
    the same posterization whether I use 16bit or 32bit mode.

    Since the dell driver gives me 32bit, the card is obviously capable, but
    I can't get the forceware driver to understand this. I looked at dell's
    inf file and 1280x800x32 is listed explicitly

    ....
    HKR,, NV20_Modes, %REG_SZ_APPEND%, "32 1280 800 75 85 100 0"
    ....

    No wonder it's listed as a native rez. Not so in forceware's nv_disp.inf
    file. It has a pretty incomprehensible format

    ....
    HKR,, NV_Modes, %REG_MULTI_SZ%, "{*}S 720x480 720x576=1;320x200 320x240
    400x300 480x360 512x384 640x400=F;SHV
    1920x1200x32=1;1600x1200x8,16=1D;640x480 800x600 1024x768
    1280x1024=3D;1920x1080=C01E;1600x1200x32 1920x1200x8,16=D;{20-18B,1F0-
    34E}SHV 800x600=1DC2;1600x1024x8,16
    1920x1080x8,16=1F;640x480=1FC2;1280x1024x32 1600x1200
    1920x1200x8,16=2;1152x864x8,16=3FF;1280x1024x8,16=42;1920x1080x32=7;1024x
    768=7C2;1600x1024x32=F;1152x864x32=FF;{28-29,2D-34E}SHV 1920x1440x32
    2048x1536x8,16=1;"
    ....

    I've tried copying the strings from dell's inf file, and playing with the
    strings above, but nothing doing. Does anyone understand this stuff or
    can point me to some documentation> Appreciate it.
     
    darius, Jan 28, 2005
    #1
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