User`s guide

Release 260 Graphics Drivers for Windows - Version 260.89 RN-W26089-02v01

Not NVIDIA Issues

ThisissueoccursbecauseCityofHeroesandCityofVillainssharethesameexecutablename.

You canworkaroundthisissuebyeither

• modifyingtheCityofHeroesapplicationprofile(thiswillcreateasecondCityofHeroes

profile)toenableSLIAFRmode,or

• setAFRastherenderingmodeinGlobalProfile.

FormoreinformationoncustomizingSLIprofiles,visitwww.slizone.com

andnavigateto

LearnMore‐>How‐toGuides.

 [SLI],GeForce6and7Series:SLIdoesnotworkwithOpenGLapplicationswhenthe

SLIcontrolpanelpageisopen.199406

ThisisthecorrectbehaviorwithSLIrendering.IfyouneedtoadjustSLIsettingsforan

OpenGLapplicationyoumustadjusttheNVIDIAcontrolpanelsettingswiththe

application

closed,thenclosethecontrolpanelandopentheapplication.

 GeForce6and7Series,SLI,WindowsXP:WithSLIenabled,CallofDuty2

performanceappearstobeslow.

ForoptimalSLIperformanceinCallofDuty2,youmustselectʹYESʹforʹOptimizeforSLIʹin

theGraphicssectionofSystemSettings.

 195807GeForce6and7Series,SLI,WindowsXP:AfterselectingʹYESʹforʹOptimize

forSLIʹintheGraphicssectionofSystemSettingswhenplayingCallofDuty2,the

settingresetsto‘No’everytimeyourestartthegame.

Theproblemisthatthesettingdoesnotgetsaved

totheplayerʹsconfigfile.Yo u mustmakesure

ʹYESʹisselectedeachtimeyoulaunchtheapplicationoryoucanensurethesettinggets

writtentotheconfigfileinoneofthefollowingways:

• Typeʺsetar_multiGpu1ʺintheconsole,or

• Addʺsetar_multiGpu1ʺtotheshortcut,or

• Addʺsetar_multiGpu1ʺdirectlytoyourconfig.cfgandconfig_mp.cfgfilesinyour

directoryundertheʺmain/playersʺfolder.

 193105WithSLIenabled,theSLIsplitlinedoesnotappearwhenVSyncisforcedon.

Thisisnotabug,andtheapplicationsare,infact,runninginSLImode.TheSLIsplitline/load

barisnotsupposedtoappearwhenVsyncisenabledinSLImode.

 159990GeForce6800/6600GT:SlowperformancewithWorldofWarcraftinSLImode.

ThisisnotanNVIDIAbug,butinsteadtheresultofarecentpatchforWorldofWarcraftto

reducemous elagonslowercomputersbysynchronizingtheGPU(s).Thischangeis

unnecessaryforNVIDIAusers,andparticularly

foruserswithSLIconfigurations.

ForoptimalperformancewhenplayingWorldofWarcraftinSLImode:

• DisableverticalsyncwithintheWorldofWarcraftin‐gamevideooptions.

• Enableʺhardwaremouseʺaccelerationanddisableʺsmoothmouseʺwithinthe

WorldofWarcraftin‐gamevideooptions.

ʺSmoothmouseʺreducesmouselagwhentheframerateislowandʺhardware

mouseʺisdisabled.