让intel老主板添加新分辨率的方法英文例在8284582852等系列支持1440x900的方法Word文件下载.docx

让intel老主板添加新分辨率的方法英文例在8284582852等系列支持1440x900的方法Word文件下载.docx

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AcoupleofdaysagoIpurchasedashinynewSyncMaster226cwmonitortoreplacebrokendisplayonmyfriend’slaptop（whichhekindlylentme,soIcouldworkathomesometimes）.AfterinstallingfreshMSWindowscopyusingthe226cwconnectedthroughVGA（CRT）port（actuallyitwasonlywayIfoundtosetoutputtoexternalmonitorasdefaultoptionfornormallystaringWindows）,Iwasrealizedwhatthereisnowaytosetnative1680x1050resolutionfor226cwevenafterlatestSyncMasterdriverswereinstalled.Andherethequestbegan...

TherewasnoproblemtofigureoutwhatthetroubleisinthegraphicalchipsetwhichisIntel82852/82855GM/GME.Butitwasunclearhowtoovercomethisandisitpossibleatall.Intelhasthisproblemsolvedonlyinmorenewchipsets–nostraightwaytofix.FortunatelyIfoundthis 

discussion 

andthis 

article.Andbythewaytheproblemwasalmostsolved,butalmostonly.Therewasstilloneunknownartifact,socalledModelineorDTDfrom226cw.AtlastIfoundonesuitable.SonowIcandescribehowtoforce852/855chipsettoworkproperlywithyourmonitor'

snativeresolution.

Gettingthingsdone

Firstofallgotothe 

IntelDownloadCenter,typeIEGDintothesearchwindow,choosethechipsetyouhave（852/855inmycase）:

andthenOSSystem.Yourdownloadisin“forDevelopers”section:

Installitusingdefaults,runiegd-ced.exe.PressNewDTD.Nowyousupposedtoenterspecifictechnicalparametersofthemonitoryouagoingtouse.HereIprovideyouwithDTDfor1680x1050and1440x900resolutionsfor226cw.IfyouhaveanotherLCDyouobviouslyneedanotherdata.Youcangoogleitusingyourmonitor'

smodelnameand"

Modeline"

word.Modelinegivesthesameparametersindifferentformat.ThecommonModelinelookslikethis:

Modeline"

1440x900@60.00"

106.471440152016721904900901904932-HSync+Vsync.Thisoneforresolution1440x900at60Hz.Iguessyouarereallydon'

tcarewhatdoesothernumbersmean,soIjustshowyouhowtransferModelinevaluestoDTD:

ThenyouhaveDTDparameters,youarereadytofilltheNewDTDforminIEGD.HereisfilledDTDfor1680x1050on226cw:

and1440x900on226cw:

DTDsareprepared,youareadytoproceedwith"

NewConfiguration"

now.EntertheConfigurationFileNameandselectyourPlatformChipset,disabletheDisplayDetection.SelectappropriateDisplayConfigurationMode.Ifyouaregoingtousetheexternalmonitorassecondaryone,youroptionisDualIndependentHead.ThePortOrderinthiscaseisLVDS（1st,correspondstolaptop'

sdisplay）andCRT（2nd,itisforexternalmonitorconnectedthroughVGAport）.IncaseyouconnectmonitorusingDVI,theninsteadofCRTtakeoneDVO,notsurewhichone,youarefreetoexperiment）.Anywayifyouaretousetwomonitors,themainoneshouldhaveitsportatthefirstlineinPortOrder.IwasforcedtousethesameCRTasmainandonlymonitorinmysystem,somyconfigurationswere:

Clicknext.Checkboth"

Useuser-definedDTDs"

boxes,typeReadablePortName（thenameitselfhasnomatter）,foreachmonitorselectbothDTDs,DVODeviceandmarkNativeDTDFlag.

ProceedwithNewPackage:

GenerateInstallation:

Thefurtherprocessisclearwithnocomments:

Youmayhavemorethanonedisplayadapterlisted,updateall（obviouslytwo）Intelchipsetdisplayadaptersasshownbelow:

AfterrestartgotoDisplayProperties（throughrightclickondesktop,thenProperties）andsetexternalscreenresolutiontoitsnative:

Postscript

Iamnotpretendingtobethefirstpersonwhohasfoundthissolutionanddescribedit.Ijustwanttomakeiteasierforordinaryusertounderstand,becauseIknowhowfrustratingitiswhenyournewmonitorisabletoshowonlyblurtextandstretchedimages...

Asaconclusionandjustforfun,myproperlyworkingspectrum-likesystem: