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16bpp XFree86 on IBM Thinkpad 760XL



Have XFree86 running smoothly 8bpp on my 760XL ... anyone has hints on
driving it to 16bpp ??
Tried startx -- -16bpp (or similar) but get the screen readable but
broken in four mixed up sections ...
Here is my XF86Config.
Thank you very much. Bob

-- 
Robert J. Alexander <rja@raleigh.ibm.com>
AIX Certified System Administrator - Debian Linux addict - Win.\* victim
Via Sciangai, 53 - 00144 Rome, Italy
Section "Files"
    RgbPath	"/usr/X11R6/lib/X11/rgb"
    FontPath	"/usr/X11R6/lib/X11/fonts/misc/"
    FontPath	"/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
    FontPath	"/usr/X11R6/lib/X11/fonts/75dpi/"
EndSection

Section "ServerFlags"
    DontZap
EndSection

Section "Keyboard"
    Protocol	"Standard"
    AutoRepeat	500 5
    XkbKeymap   "xfree86(us)"
EndSection


Section "Pointer"
    Protocol    "PS/2"
    Device      "/dev/psaux"
    Emulate3Buttons
    Emulate3Timeout    50
EndSection


Section "Monitor"
    Identifier  "ThinkPad760"
    VendorName  "IBM"
    ModelName   "760CLCD"
    HorizSync   30-80
    VertRefresh 40-150
    Modeline "640x400"     25.175 640  664  760  800   400  409  411  450
    Modeline "640x480"     25.175 640  664  760  800   480  491  493  525
    ModeLine "800x600"     31.5    800  824  896 1024   600  601  603  625
    Modeline "1024x768"    44.9  1024 1048 1208 1264   768  776  784  817 Interlace
    Modeline "640x480"     31.5   640  680  720  864   480  488  491  521
    Modeline "800x600"     40     800  840  968 1056   600  601  605  628 +hsync +vsync
    # 800x600 @ 72 Hz, 48.0 kHz hsync
    Modeline "800x600"     50     800  856  976 1040   600  637  643  666 +hsync +vsync
    # 1024x768 @ 60 Hz, 48.4 kHz hsync
    Modeline "1024x768"    65    1024 1032 1176 1344   768  771  777  806 -hsync -vsync
    # 1024x768 @ 70 Hz, 56.5 kHz hsync
    Modeline "1024x768"    75    1024 1048 1184 1328   768  771  777  806 -hsync -vsync
    # 1280x1024 @ 87 Hz interlaced, 51 kHz hsync
    Modeline "1280x1024"   80    1280 1296 1512 1568  1024 1025 1037 1165 Interlace
    # 1024x768 @ 76 Hz, 62.5 kHz hsync
    Modeline "1024x768"    85    1024 1032 1152 1360   768  784  787  823
    # 1280x1024 @ 61 Hz, 64.2 kHz hsync
    Modeline "1280x1024"  110    1280 1328 1512 1712  1024 1025 1028 1054
    # 1280x1024 @ 74 Hz, 78.85 kHz hsync
    Modeline "1280x1024"  135    1280 1312 1456 1712  1024 1027 1030 1064
    # 1280x1024 @ 76 Hz, 81.13 kHz hsync
    Modeline "1280x1024"  135    1280 1312 1416 1664  1024 1027 1030 1064
    # Low-res Doublescan modes
    # If your chipset does not support doublescan, you get a 'squashed'
    # resolution like 320x400.
    # 320x200 @ 70 Hz, 31.5 kHz hsync, 8:5 aspect ratio
    Modeline "320x200"     12.588 320  336  384  400   200  204  205  225 Doublescan
    # 320x240 @ 60 Hz, 31.5 kHz hsync, 4:3 aspect ratio
    Modeline "320x240"     12.588 320  336  384  400   240  245  246  262 Doublescan
    # 320x240 @ 72 Hz, 36.5 kHz hsync
    Modeline "320x240"     15.750 320  336  384  400   240  244  246  262 Doublescan
    # 400x300 @ 56 Hz, 35.2 kHz hsync, 4:3 aspect ratio
    ModeLine "400x300"     18     400  416  448  512   300  301  602  312 Doublescan
    # 400x300 @ 60 Hz, 37.8 kHz hsync
    Modeline "400x300"     20     400  416  480  528   300  301  303  314 Doublescan
    # 400x300 @ 72 Hz, 48.0 kHz hsync
    Modeline "400x300"     25     400  424  488  520   300  319  322  333 Doublescan
    # 480x300 @ 56 Hz, 35.2 kHz hsync, 8:5 aspect ratio
    ModeLine "480x300"     21.656 480  496  536  616   300  301  302  312 Doublescan
    # 480x300 @ 60 Hz, 37.8 kHz hsync
    Modeline "480x300"     23.890 480  496  576  632   300  301  303  314 Doublescan
    # 480x300 @ 63 Hz, 39.6 kHz hsync
    Modeline "480x300"     25     480  496  576  632   300  301  303  314 Doublescan
    # 480x300 @ 72 Hz, 48.0 kHz hsync
    Modeline "480x300"     29.952 480  504  584  624   300  319  322  333 Doublescan
EndSection


Section "Device"
    Identifier	"Generic VGA"
    VendorName	"Unknown"
    BoardName	"Unknown"
    Chipset	"generic"
EndSection

# Device configured by xf86config:
Section "Device"
    Identifier  "TGUI9320LCD"
    VendorName  "Trident"
    BoardName   "TGUI9320LCD"
    VideoRam    1024
    Option      "med_dram"
    Option      "linear"
EndSection


Section "Screen"
    Driver      "svga"
    Device      "TGUI9320LCD"
    Monitor     "ThinkPad760"
     Subsection "Display"
         Depth       8
         Modes       "800x600" "1024x768"
         ViewPort    0 0
         Virtual     800 600
     EndSubsection
        Subsection "Display"
        Depth       16
        Modes       "640x480" "800x600"
        ViewPort    0 0
        Virtual     800 600
    EndSubsection
    Subsection "Display"
        Depth       32
        Modes       "640x400"
        ViewPort    0 0
        Virtual     640 400
    EndSubsection
EndSection

Section "Screen"
    Driver      "vga16"
    Device      "Generic VGA"
    Monitor     "ThinkPad760"
    Subsection "Display"
        Modes       "640x480" "800x600"
        ViewPort    0 0
        Virtual     800 600
    EndSubsection
EndSection

Section "Screen"
    Driver      "vga2"
    Device      "Generic VGA"
    Monitor     "ThinkPad760"
    Subsection "Display"
        Modes       "640x480" "800x600"
        ViewPort    0 0
        Virtual     800 600
    EndSubsection
EndSection

Section "Screen"
    Driver      "accel"
    Device      "TGUI9320LCD"
    Monitor     "ThinkPad760"
    Subsection "Display"
        Depth       8
        Modes       "640x480" "800x600" "1024x768"
        ViewPort    0 0
        Virtual     1152 900
    EndSubsection
    Subsection "Display"
        Depth       16
        Modes       "640x480" "800x600"
        ViewPort    0 0
        Virtual     800 600
    EndSubsection
    Subsection "Display"
        Depth       32
        Modes       "640x400"
        ViewPort    0 0
        Virtual     640 400
    EndSubsection
EndSection

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