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Old 01-22-07, 11:53 AM   #5
NVIDIA Corporation
AaronP's Avatar
Join Date: Mar 2005
Posts: 2,487
Default Re: Screen mode validation

According to the bug report you attached, 1680x1050 is being rejected because its vertical refresh rate (59.9 Hz) doesn't match the range specified (exactly 75.0 Hz). You'll need to remove the 75 Hz constraint from xorg.conf if you want to run that mode:
(II) NVIDIA(0): Display Device found referenced in MetaMode: DFP-0
(II) NVIDIA(0): Mode Validation Overrides for FUS S20-1W (DFP-0):
(II) NVIDIA(0):     AllowNon60HzDFPModes
(II) NVIDIA(0): Frequency information for FUS S20-1W (DFP-0):
(II) NVIDIA(0):   HorizSync   : 30.000-82.000 kHz
(II) NVIDIA(0):   VertRefresh : 75.000 Hz
(II) NVIDIA(0):     (HorizSync from EDID)
(II) NVIDIA(0):     (VertRefresh from VertRefresh X Config Option)
(II) NVIDIA(0): --- Building ModePool for FUS S20-1W (DFP-0) ---
(II) NVIDIA(0):   Validating Mode "1680x1050":
(II) NVIDIA(0):     1680 x 1050 @ 60 Hz
(II) NVIDIA(0):     For use as DFP backend.
(II) NVIDIA(0):     Mode Source: EDID
(II) NVIDIA(0):       Pixel Clock      : 146.25 MHz
(II) NVIDIA(0):       HRes, HSyncStart : 1680, 1784
(II) NVIDIA(0):       HSyncEnd, HTotal : 1960, 2240
(II) NVIDIA(0):       VRes, VSyncStart : 1050, 1053
(II) NVIDIA(0):       VSyncEnd, VTotal : 1059, 1089
(II) NVIDIA(0):       H/V Polarity     : +/+
(WW) NVIDIA(0):     Mode is rejected: VertRefresh (60.0 Hz) out of range
(WW) NVIDIA(0):     (75.000 Hz).
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