On Fri, 23 Jun 2006, George Langford wrote:
> I have one Samsung SyncMaster 712N LCD monitor serving four PC's.
> For the time being, let's just consider one of them, bearing in
> mind that on another one, running Win98SE, the monitor cheerfully
> displays at the maximum screen resolution (1280 by 1024) and 32
> bits of color, but on this one, 1024 by 768 is the maximum that
> can be reached with the "adjust screen resolution" window in debian.
>
> The video card is nVidia GeForce Fx5200, which will support much
> higher screen resolution than this monitor can handle.
>
> Here's what appears to be the relevant portion of XFree86.0.log:
>
> (II) NV(0): EDID Version: 1.3
[...]
> (II) NV(0): Ranges: V min: 56 V max: 75 Hz, H min: 30 H max: 81 kHz, PixClock
> max 140 MHz
[...]
> (II) NV(0): SyncMaster: Using hsync range of 30.00-81.00 kHz
> (II) NV(0): SyncMaster: Using vrefresh range of 56.00-75.00 Hz
The server has built in the following 1280x1024 modes:
/* 1280x1024 @ 60Hz (VESA) hsync: 64.0kHz */
/* 1280x1024 @ 75Hz (VESA) hsync: 80.0kHz */
/* 1280x1024 @ 85Hz (VESA) hsync: 91.1kHz */
The 60 and 75 Hz builtin VESA modes should run fine on your monitor
and should be used automatically if you've specified "1280x1024" on
the Modes line in your Subsection "Display" of the XF86Config, provided
this hasn't been overridden with an explicit Modeline of the same
name ("1280x1024") in the XF86Config file or you forced a virtual
desktop size that was smaller. I suspect the Debian tool you used
messed this up either by adding a line with the "Virtual" keyword
or by overridding the builtin "1280x1024" modelines with one that
was inappropriate for your monitor. I'd have to see the XF86Config
file to be sure.
Mark.
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