Specifications
18 NVIDIA Corporation
Chapter 2: Release 191 Driver Issues Known Product Limitations
Known Product Limitations
Thissectiondescribesproblemsthatwillnotbefixed.Usually,thesourceofthe
problemisbeyondthecontrolofNVIDIA.Followingisthelistofproblemsandwhere
theyarediscussedinthisdocu ment:
• “UsingHDMI/DisplayPortAudiowithDisplaysthathaveaHighNative
Resolution”onpage 18
• “UsingHDMI/DisplayPortDisplays
thatdonotSupportAudio”onpage 19
• “UsingHDMI/DisplayPortAudioinDualvieworCloneModeConfigurations”on
page 20
• “FlatPanelScalingControlsareNon‐functionalforSomeTVModesforSome
Displays”onpage 20
• “GPURunsataHighPerformanceLevelinMulti‐displayModes”onpage 21
• “AutomaticDesktopScaling
forAnalogDisplays”onpage 21
• “GeForceGTX295FanControlandNVIDIAControlPanelPerformanceGroup
version6.03.06.00”onpage 21
• “1280x1024@60HznotAvailableonBenQFP241WMonitors”onpage 21
• “ImageSharpeningControlnotAvailablewithGeForce8SeriesandlaterGPUs”on
page 21
• “GigabyteGA‐6BXMotherboard”on
page 22
Using HDMI/DisplayPort Audio with Displays that have a
High Native Resolution
TouseHDMI/DisplayPortaudiowithsomedisplaysthathaveanativeresolution
higherthan1920x1080,youmustsetthedisplaytoalowerHDresolution.
SomeHDMITVʹshaveanativeresolutionthatexceedsthemaximumsupportedHD
mode.Forexample,TVswithanativeresolutionof1920x1200exceedthe
maximum
supportedHDmodeof1920x1080.
Applyingthisnativemoderesultsindisplayoverscanwhichcannotberesizedusing
theNVIDIAControlPanelsincethemodeisnotanHDmode.
Toavoidthissituationandprovideabetteruserexperience,thedrivertreatscertain
TVs–suchastheViewsonicVX2835wmand
theWestinghouseLVM‐37w3–asaDVI
monitorwhenapplyingthenativemode.BecausethedriverdoesnottreattheTVas
anHDMIinthiscase,theHDMIaudioisnotused.