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Thread: TGA with DEC VR320-DA 19" monitor scroll up

  1. #1
    mrey
    Guest

    TGA with DEC VR320-DA 19" monitor scroll up

    Hi,

    I have an AlphaStation 500/333 with ZLxP-E1 (TGA) and a DEC VR320-DA monitor. This hardware works fine width Tru64 ver. 5.1.

    With RedHat Linux 7.2 the frame scroll up slowly...

    I try with this modeline in XF86Config-4:
    ...
    Section "Monitor"
    Identifier "VR320"
    VendorName "DEC"
    ModelName "PCXBV-KA/KB"
    HorizSync 77.13
    VertRefresh 72.56
    Mode "1280x1024"
    DotClock 130.81
    HTimings 1280 1312 1424 1696
    VTimings 1024 1027 1030 1063
    Flags "-hsync" "-vsync"
    EndMode
    Option "dpms"
    Option "SyncOnGreen"
    EndSection

    Section "Device"
    Identifier "Digital 8-plane TGA (UDB/Multia)"
    BusID "PCI:0:8:0"
    Driver "tga"
    BoardName "ZLxP-E1"
    EndSection

    Section "Device"
    Identifier "Linux Frame Buffer"
    Driver "fbdev"
    BoardName "Unknown"
    EndSection

    Section "Screen"
    Identifier "Screen0"
    Device "Digital 8-plane TGA (UDB/Multia)"
    Monitor "VR320"
    DefaultDepth 8
    Subsection "Display"
    Depth 8
    Modes "1280x1024"
    EndSubSection
    Option "Accel"
    EndSection

    Section "DRI"
    Mode 0666
    EndSection


    Any ideas?

    Thanks a lot.

  2. #2
    mrey
    Guest

    Re:TGA with DEC VR320-DA 19" monitor scroll up

    Me again,

    I use this info for modeline calculation.

    The VR320 specs:
    (http://www.diku.dk/students/hustler/monit.html#VR320)

    Digital VR320-DA aka VR320-D4 has 72Hz refresh, the VR320-CA / VR320-C4 has 66 Hz refresh.

    Video Timing-1280 x 1024 Resolution
    ------------------------------------------------------------
    Refreshrate: 72 66
    Horisontal freq. 77.13 kHz 70.66 kHz
    Vertical freq. 72.56 Hz 66.47 Hz
    Pixel freq. 130.81 MHz 119.84 MHz
    Pixel period 7.64 ns 8.34 ns

    Horisontal timing no. pixels us us
    ------------------------------------------------------------
    Entire line 1696 12.97 14.15
    Active visible line 1280 9.79 10.68
    Blanking interval 416 3.18 3.47
    Sync front porch 32 0.245 0.267
    Sync pulse 160 1.22 1.34
    Sync back porch 224 1.71 1.87

    Vertical timing no. lines ms ms
    ------------------------------------------------------------
    Vertical period 1063 13.78 15.04
    (entire frame)
    Visible raster 1024 13.28 14.49
    Blanking interval 39 0.506 0.552
    Sync front porch 3 0.03889 0.04246
    Sync pulse 3 0.03889 0.04246
    Sync back porch 33 0.4279 0.4670

    Thanks.

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