i945/DELL 2407WFP/only 1600x1200 resolution

[Andreas Jung]

I have bought Dell 2407 WFP display but I can only get a 1600x1200x60 
resolution working on my maschine (I945) running Suse 10.1. Sax2 displays
offers only a solution of 1920x1200x75Hz but I need 60Hz (the display
won't work with 75Hz).

The Xorg.log contains this:

(II) I810(0): Monitor[0]: Using hsync range of 30.00-76.00 kHz
(II) I810(0): Monitor[0]: Using vrefresh range of 50.00-61.00 Hz
(II) I810(0): Not using mode "1920x1200" (no mode of this name)
(II) I810(0): Increasing the scanline pitch to allow tiling mode (1600 -> 
2048).
(--) I810(0): Virtual size is 1600x1200 (pitch 2048)
(**) I810(0):  Built-in mode "1600x1200"
(**) I810(0):  Built-in mode "1600x1200"
(**) I810(0):  Built-in mode "1280x1024"
(**) I810(0):  Built-in mode "1024x768"
(**) I810(0):  Built-in mode "800x600"
(**) I810(0):  Built-in mode "640x480"
(II) I810(0): Attempting to use 60.00Hz refresh for mode "1600x1200" (85a)
(II) I810(0): Attempting to use 60.00Hz refresh for mode "1600x1200" (85c)
(II) I810(0): Attempting to use 60.02Hz refresh for mode "1280x1024" (858)
(II) I810(0): Attempting to use 60.00Hz refresh for mode "1024x768" (854)
(II) I810(0): Attempting to use 60.32Hz refresh for mode "800x600" (852)
(II) I810(0): Attempting to use 60.00Hz refresh for mode "640x480" (850)
(**) I810(0): Display dimensions: (476, 381) mm
(**) I810(0): DPI set to (85, 80)
(II) Loading sub module "fb"

"Not using mode"... makes me a bit nervous.

855resolution show this:

ajung at galactica:/var/log: sudo 855resolution -l
root's password:
855resolution version 0.4, by Alain Poirier

Chipset: Unknown (id=0x27708086)
VBIOS type: 2
VBIOS Version: 1295

Mode 30 : 640x480, 8 bits/pixel
Mode 32 : 800x600, 8 bits/pixel
Mode 34 : 1024x768, 8 bits/pixel
Mode 38 : 1280x1024, 8 bits/pixel
Mode 3a : 1600x1200, 8 bits/pixel
Mode 3c : 1600x1200, 8 bits/pixel
Mode 41 : 640x480, 16 bits/pixel
Mode 43 : 800x600, 16 bits/pixel
Mode 45 : 1024x768, 16 bits/pixel
Mode 49 : 1280x1024, 16 bits/pixel
Mode 4b : 1600x1200, 16 bits/pixel
Mode 4d : 1600x1200, 16 bits/pixel
Mode 50 : 640x480, 32 bits/pixel
Mode 52 : 800x600, 32 bits/pixel
Mode 54 : 1024x768, 32 bits/pixel
Mode 58 : 1280x1024, 32 bits/pixel

Does that mean that the onboard graphics only support 1600x1200?

Thanks in advance,
Andreas
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