Xorg 6.7/MSI nVidia 5500/Widescreen LCD problem

I just upgraded my graphics and monitor setup to an nVidia FX 5500 and
Viewsonic VX2025wm (LCD 1680x1050 16:10 widescreen) and I'm having no
luck getting past 1280x1024 (yeah, weird resolution).

It seems that the nvidia driver just plainly refuses to do past 1280
and is limiting the refresh rate to 60Hz. Any suggestions on what
could be the issues?

setup:
Mandrake 10.1 (yep.. nice and old but Ubuntu Dapper fails likewise)
kernel 2.6.8.1-26mdk
Xorg 6.7.0
MSI FX5500 w/ 256MB
NVIDIA-Linux-x86-1.0-8756

I can see why the 1680x1050 at 60 doesn't work because of 146.25 pclk
and the monitor caps at 135. But I don't understand why it is locked
onto 60Hz and thus preventing a 50Hz version from being selected. And
just an FYI, I was unable to get Windows XP with a FX 5200 and this
monitor to get past 1280x1024 also (and it didn't even provide 16:10
resolutions -- terrible!)

Dan

PS. I'm including some of the debug output from X during its
initialization.

(II) Setting vga for screen 0.
(**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
(==) NVIDIA(0): RGB weight 888
(==) NVIDIA(0): Default visual is TrueColor
(==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
(==) NVIDIA(0): Using HW cursor
(**) NVIDIA(0): Enabling RENDER acceleration
(==) NVIDIA(0): Video key set to default value of 0x101fe
(II) NVIDIA(0): NVIDIA GPU GeForce FX 5500 at PCI:1:0:0
(--) NVIDIA(0): VideoRAM: 262144 kBytes
(II) NVIDIA(0): GPU Architecture: 0x30
(II) NVIDIA(0): GPU Implementation: 0x34
(II) NVIDIA(0): GPU Revision: 0xb1
(--) NVIDIA(0): VideoBIOS: 04.34.20.69.00
(--) NVIDIA(0): Found 2 CRTCs on board
(II) NVIDIA(0): Supported display device(s): CRT-0, CRT-1, DFP-0, TV-0
(II) NVIDIA(0): Bus detected as AGP
(II) NVIDIA(0): Detected AGP rate: 8X
(--) NVIDIA(0): Interlaced video modes are supported on this GPU
(II) NVIDIA(0):
(II) NVIDIA(0): Mode timing constraints for : GeForce FX 5500
(II) NVIDIA(0): Maximum mode timing values :
(II) NVIDIA(0): Horizontal Visible Width : 8192
(II) NVIDIA(0): Horizontal Blank Start : 8192
(II) NVIDIA(0): Horizontal Blank Width : 4096
(II) NVIDIA(0): Horizontal Sync Start : 8184
(II) NVIDIA(0): Horizontal Sync Width : 504
(II) NVIDIA(0): Horizontal Total Width : 8224
(II) NVIDIA(0): Vertical Visible Height : 8192
(II) NVIDIA(0): Vertical Blank Start : 8192
(II) NVIDIA(0): Vertical Blank Width : 256
(II) NVIDIA(0): Veritcal Sync Start : 8191
(II) NVIDIA(0): Vertical Sync Width : 15
(II) NVIDIA(0): Vertical Total Height : 8193
(II) NVIDIA(0):
(II) NVIDIA(0): Minimum mode timing values :
(II) NVIDIA(0): Horizontal Total Width : 40
(II) NVIDIA(0): Vertical Total Height : 2
(II) NVIDIA(0):
(II) NVIDIA(0): Mode timing alignment :
(II) NVIDIA(0): Horizontal Visible Width : multiples of 8
(II) NVIDIA(0): Horizontal Blank Start : multiples of 8
(II) NVIDIA(0): Horizontal Blank Width : multiples of 8
(II) NVIDIA(0): Horizontal Sync Start : multiples of 8
(II) NVIDIA(0): Horizontal Sync Width : multiples of 8
(II) NVIDIA(0): Horizontal Total Width : multiples of 8
(II) NVIDIA(0):
(--) NVIDIA(0): Connected display device(s) on GeForce FX 5500 at
PCI:1:0:0:
(--) NVIDIA(0): ViewSonic VX2025wm (DFP-0)
(--) NVIDIA(0): ViewSonic VX2025wm (DFP-0): 135 MHz maximum pixel clock
(--) NVIDIA(0): ViewSonic VX2025wm (DFP-0): Internal Single Link TMDS
(--) NVIDIA(0): ViewSonic VX2025wm (DFP-0): Native FlatPanel Scaling is
(--) NVIDIA(0): supported
(--) NVIDIA(0): ViewSonic VX2025wm (DFP-0): DFP modes are limited to
60Hz
(--) NVIDIA(0): refresh rate
(--) NVIDIA(0):
(--) NVIDIA(0): --- EDID for ViewSonic VX2025wm (DFP-0) ---
(--) NVIDIA(0): EDID Version : 1.3
(--) NVIDIA(0): Manufacturer : VSC
(--) NVIDIA(0): Monitor Name : ViewSonic VX2025wm
(--) NVIDIA(0): Product ID : 58653
(--) NVIDIA(0): 32-bit Serial Number : 16843009
(--) NVIDIA(0): Serial Number String : Q6Y060902182
(--) NVIDIA(0): Manufacture Date : 2006, week 9
(--) NVIDIA(0): DPMS Capabilities : Active Off
(--) NVIDIA(0): Prefer first detailed timing : Yes
(--) NVIDIA(0): Supports GTF : No
(--) NVIDIA(0): Maximum Image Size : 430mm x 270mm
(--) NVIDIA(0): Valid HSync Range : 30kHz - 82kHz
(--) NVIDIA(0): Valid VRefresh Range : 50Hz - 75Hz
(--) NVIDIA(0):
(--) NVIDIA(0): Established Timings:
(--) NVIDIA(0): 640 x 480 @ 60Hz
(--) NVIDIA(0): 640 x 480 @ 72Hz
(--) NVIDIA(0): 640 x 480 @ 75Hz
(--) NVIDIA(0): 800 x 600 @ 56Hz
(--) NVIDIA(0): 800 x 600 @ 60Hz
(--) NVIDIA(0): 800 x 600 @ 72Hz
(--) NVIDIA(0): 800 x 600 @ 75Hz
(--) NVIDIA(0): 1024 x 768 @ 60Hz
(--) NVIDIA(0): 1024 x 768 @ 70Hz
(--) NVIDIA(0): 1024 x 768 @ 75Hz
(--) NVIDIA(0): 1280 x 1024 @ 75Hz
(--) NVIDIA(0):
(--) NVIDIA(0): Standard Timings:
(--) NVIDIA(0): 1680 x 1050 @ 75Hz
(--) NVIDIA(0): 1280 x 1024 @ 60Hz
(--) NVIDIA(0): 1280 x 960 @ 60Hz
(--) NVIDIA(0): 1152 x 864 @ 75Hz
(--) NVIDIA(0): 640 x 400 @ 70Hz
(--) NVIDIA(0):
(--) NVIDIA(0): Detailed Timings:
(--) NVIDIA(0): 1680 x 1050 @ 60Hz
(--) NVIDIA(0): Pixel Clock : 146.25 MHz
(--) NVIDIA(0): HRes, HSyncStart : 1680, 1784
(--) NVIDIA(0): HSyncEnd, HTotal : 1960, 2240
(--) NVIDIA(0): VRes, VSyncStart : 1050, 1053
(--) NVIDIA(0): VSyncEnd, VTotal : 1059, 1089
(--) NVIDIA(0): H/V Polarity : -/+
(--) NVIDIA(0):
(--) NVIDIA(0): --- End of EDID for ViewSonic VX2025wm (DFP-0) ---
(--) NVIDIA(0):
(II) NVIDIA(0): Frequency information for ViewSonic VX2025wm (DFP-0):
(II) NVIDIA(0): HorizSync : 30.000-82.000 kHz
(II) NVIDIA(0): VertRefresh : 50.000-75.000 Hz
(II) NVIDIA(0): (HorizSync from EDID)
(II) NVIDIA(0): (VertRefresh from EDID)
(WW) NVIDIA(0): Mode "1400x1050" is too large for ViewSonic VX2025wm
(DFP-0);
(WW) NVIDIA(0): discarding.
(WW) NVIDIA(0): Mode "1600x1024" is too large for ViewSonic VX2025wm
(DFP-0);
(WW) NVIDIA(0): discarding.
(II) NVIDIA(0):
(II) NVIDIA(0): --- Modes in ModePool for ViewSonic VX2025wm (DFP-0)
---
(II) NVIDIA(0): "nvidia-auto-select" : 1024 x 768 @ 60.0 Hz (from:
EDID)
(II) NVIDIA(0): "1280x1024" : 1280 x 1024 @ 60.0 Hz (from:
EDID)
(II) NVIDIA(0): "1280x1024_60" : 1280 x 1024 @ 60.0 Hz (from:
EDID)
(II) NVIDIA(0): "1280x1024_60_0" : 1280 x 1024 @ 60.0 Hz (from:
X Server, VESA)
(II) NVIDIA(0): "1280x960" : 1280 x 960 @ 60.0 Hz (from:
X Server, VESA, EDID)
(II) NVIDIA(0): "1280x960_60" : 1280 x 960 @ 60.0 Hz (from:
X Server, VESA, EDID)
(II) NVIDIA(0): "1280x800@60" : 1280 x 800 @ 60.0 Hz (from:
X Server)
(II) NVIDIA(0): "1280x800_60" : 1280 x 800 @ 60.0 Hz (from:
X Server)
(II) NVIDIA(0): "1024x768" : 1024 x 768 @ 60.0 Hz (from:
EDID)
(II) NVIDIA(0): "1024x768_60" : 1024 x 768 @ 60.0 Hz (from:
EDID)
(II) NVIDIA(0): "1024x768_60_0" : 1024 x 768 @ 60.0 Hz (from:
X Server, VESA)
(II) NVIDIA(0): "1024x640@60" : 1024 x 640 @ 60.0 Hz (from:
X Server)
(II) NVIDIA(0): "1024x640_60" : 1024 x 640 @ 60.0 Hz (from:
X Server)
(II) NVIDIA(0): "800x600" : 800 x 600 @ 60.3 Hz (from:
EDID)
(II) NVIDIA(0): "800x600_60" : 800 x 600 @ 60.3 Hz (from:
EDID)
(II) NVIDIA(0): "800x600_60_0" : 800 x 600 @ 60.3 Hz (from:
X Server, VESA)
(II) NVIDIA(0): "800x500@60" : 800 x 500 @ 60.0 Hz (from:
X Server)
(II) NVIDIA(0): "800x500_60" : 800 x 500 @ 60.0 Hz (from:
X Server)
(II) NVIDIA(0): "640x480" : 640 x 480 @ 60.0 Hz (from:
EDID)
(II) NVIDIA(0): "640x480_60" : 640 x 480 @ 60.0 Hz (from:
EDID)
(II) NVIDIA(0): "640x480_60_0" : 640 x 480 @ 60.0 Hz (from:
X Server, VESA)
(II) NVIDIA(0): --- End of ModePool for ViewSonic VX2025wm (DFP-0): ---
(II) NVIDIA(0):
(II) NVIDIA(0): Assigned Display Device: DFP-0
(II) NVIDIA(0): Requested modes:
(II) NVIDIA(0): "1280x800@60"
(II) NVIDIA(0): "1024x640@60"
(II) NVIDIA(0): "800x500@60"
(II) NVIDIA(0): Validated modes:
(II) NVIDIA(0): MetaMode "1280x800@60":
(II) NVIDIA(0): Bounding Box: [0, 0, 1280, 800]
(II) NVIDIA(0): ViewSonic VX2025wm (DFP-0): "1280x800@60"
(II) NVIDIA(0): Size : 1280 x 800
(II) NVIDIA(0): Offset : +0 +0
(II) NVIDIA(0): Panning Domain: @ 1280 x 800
(II) NVIDIA(0): Position : [0, 0, 1280, 800]
(II) NVIDIA(0): MetaMode "1024x640@60":
(II) NVIDIA(0): Bounding Box: [0, 0, 1024, 640]
(II) NVIDIA(0): ViewSonic VX2025wm (DFP-0): "1024x640@60"
(II) NVIDIA(0): Size : 1024 x 640
(II) NVIDIA(0): Offset : +0 +0
(II) NVIDIA(0): Panning Domain: @ 1024 x 640
(II) NVIDIA(0): Position : [0, 0, 1024, 640]
(II) NVIDIA(0): MetaMode "800x500@60":
(II) NVIDIA(0): Bounding Box: [0, 0, 800, 500]
(II) NVIDIA(0): ViewSonic VX2025wm (DFP-0): "800x500@60"
(II) NVIDIA(0): Size : 800 x 500
(II) NVIDIA(0): Offset : +0 +0
(II) NVIDIA(0): Panning Domain: @ 800 x 500
(II) NVIDIA(0): Position : [0, 0, 800, 500]
(II) NVIDIA(0): Virtual screen size determined to be 1280 x 800
(II) NVIDIA(0): Computing DPI from ViewSonic VX2025wm (DFP-0)'s EDID
(II) NVIDIA(0): width : 1680 pixels 430 mm (DPI: 99)
(II) NVIDIA(0): height : 1050 pixels 270 mm (DPI: 98)
(--) NVIDIA(0): DPI set to (99, 98); computed from "UseEdidDpi" X
config option

.

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