ChecklistforCAC‐1070/CAC‐1170
*
MakesuretheHDMIcabl eyouareusingisHDMI2.0or18Gbpscapable.Manycablesdostatetosupport4Kbutactually
donotsupportthatin60Hz.
Certainlyforcableslongerthan3metersitisbesttouseacertifiedcable,tomakesurethe
fullbandwidthof18Gbpscanbeused.LiketheClub3D"CAC‐1310"
HDMI2.0,3MeterCableUHDPremiumHighSpeed,
whichiscertifiedbyHDMI.org.
*
MakesuretheHDMIinputusedontheTViscapableofHDMI2.0.OftentherearemoreHDMIinputsthatsometimes
evenstate4K60Hz,butarenotHDMI
2.0capable.
*
Onman yTV’’syouneedtoturnon"UHDColor"or“Advanced””or“Enhanced””settingmanuallyinthepicturesettingsof
yourTVfortheHDMIporttowhich
yourpcisconnected.
*
PleasedisableallTVenhancementslikeup‐convertingpictureenhancementsbecauseinmanycases suchsettingswill
addlag.Youcanoftendothatby
EnablingtheInputTypeto“PC”or“GameMode”.
*PleasemakesureyoursourcedeviceisMiniDisplayPortorDisplayPortareversion1.2/1.3/1.4.Bydefaultsomedevices
and/orscreenshavetheirMini
DisplayPortandDisplayPortsconfiguredforDP1.1andyouneedtochangemanuallyto1.2.
*
AppleMacBookProandMacPro–FornowAppleElCapitandoesn'tsupport4Kat60Hzoutofthebox.Tobeabletoenjoy 4K/60HzonOSXyouneedto
installanprogramlikeSwitchResXtoforcethe60Hzbycreatingcustomresolution..First
downloadSwitchResX,(youcandownloadfrommadrau.comalsoa
trialthatworksfor10days).InElCapitanthereisa
securityfeaturecalledSIP"SystemIntegrityProtection".UnfortunatelythispreventsSwitchResXfrom
modifyingthesystem
filesthatcontainresolutioninformation.Butyoucantemporarilydisable"SystemIntegrityProtection"to makechanges.
Oncethe
resolutionhasbeencreatedandactivated,youcanturnSIPonagain.DisablingSIPrequiresbootingintothe
recoverypartition.Youbootinrecoverymodeby
pressingCMD+RwhenstartingupyourMac.ThenopenaTerminal
window.Utilities‐>Terminalandtypethecommandbelow:csrutildisabletore‐enableSIP
oncethechangeshavebeen
made;bootbackintotherecoverypartitionandsetstatetoenabled:csrutilenable.NowboottoElCapitanandopen
SwitchResX.SelecttheTVfromthepaneontheleft.Thenselect"CustomResolution".Enter3840x2160andmakesure
thattheScanRateforVerticalwasset
to60hz.Scalingisalsopossible.Savethechanges(byhittingapply,andrebooting
yourMacitwillaskyoutosave).Aftertherebootyouwillseethecustom
resolutionaddedwithinSwitchResXunder
CurrentResolutionsforyourTV.
*
Alsoitcouldhelpwhenconnecting2screens,tosetthescreenconnectedthrutheAdapt erassecondaryscreen.
*
Forconne cting to4KTV’s,makingacustomresolutionoftenworksbest.Weadviseyoutomakeacustomresolution,
setresolution to3840x2160at60Hzand
setTimingstandardtoCVT‐RB(reducedblanking).
*
ItcouldbethataDisplayportSplitterorMSTHubattachedto theGraphicsCardcausesissues,ifsopleasedisconnect
those.
*PleasenotethatinsomecasesconfigurationsinSLIand/orCross‐firemightcausesissues.IfsopleasedisableSLIand/or
Crossfire.
*
ColorDepthneedtobesetto8bpc(whenrunning4:4:4)topreventsignalgettingtoobigforHDMI2.0bandwidth.
*
Whatarethe4Kformatssupportedbytheadapter?‐>
Forfurthersupport,questionsorremarks,pleasecontactus@support@club‐3d.com
Club3DForum:http://insights.club‐3d.com Club3DWebsite:www.club‐3d.com