My guess would be that it's the adaptor.  I've seen streaking and
ghosting with poor cables/adaptors.


                        Mark.

On Wed, 13 Nov 2002, Frederic Marchand wrote:

> Hello there!
> 
> I'm having some issues with an old Apple "Two-page monochrome" monitor. It's a 
> 21" fixed frequency greyscale. It got a 13w3 to DB15 adapter + a DB15 to DB9.
> 
> Here are my entry in my XF86Config:
> This monitor got a 100Mhz dot clock
> 
> Section "Monitor"
>     Identifier  "secondaire"
>     VendorName  "Apple"
>     ModelName   "Twopage monochrome"
>     HorizSync   68.7
>     VertRefresh 75
>     Modeline "test" 100 1152 1208 1424 1456 870 870 872 916 -hsync -vsync
> EndSection
> 
> Section "Screen"
>     Identifier  "pci/secondaire"
>     Device      "pci"
>     Monitor     "secondaire"
>     DefaultDepth 8
>     SubSection "Display"
>         Depth   8
>         Modes   "test"
>         Visual  "GrayScale"
>     EndSubSection
> EndSection
> 
> Section "Device"
>     Identifier  "pci"
>     Driver      "nv"
>     VendorName  "NVidia"
>     BoardName   "TNT 2 M64"
>     BusID       "PCI:0:11:0"
> EndSection
> 
> By the way, this monitor work perfectly on a mac, so here is my problem:
> 
> Look at this picture: http://www.mautadine.com/images/appletwopage.jpg
> 
> Look at the titlebar of the xterm window, there is an horizontal band which is 
> whiter than the background... It's very annoying when a lot of windows are 
> opened. And i had the same problem with an AppleVision 1710 using the same 
> adapter DB15->DB9.
> 
> I'm not sure if it can be a modeline problem or simply the adapter... Since my 
> video card work nicely with my main monitor. Anyone had similar problems?
> 
> I forgot to mention that this is on linux and XFree86 4.2.1.
> 
> Thanks a lot!
> 
> 
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