User Manual

ASUS TUF Z390M-PRO GAMING
1-9
Chapter 1
• Refertosection1.1.8 Onboard LEDs fortheexactlocationoftheMEMLED.
• TheMemOK!IIswitchdoesnotfunctionunderWindows
®
OSenvironment.
• Duringthetuningprocess,thesystemloadsandtestspretestproles.Ittakesabout
30secondsforthesystemtotestonesetofproles.Ifthetestfails,thesystem
rebootsandteststhenextsetofproles.Thesystemwillrebootmultipletimeswhen
training,oncethesystemhascompletedthetrainingprocesstheMem_LEDwillturn
off,pleaserefrainfromdoinganythingbeforetheMem_LEDturnsoff.
• Duetomemorytuningrequirement,thesystemautomaticallyrebootswheneach
proleistested.
• IfyouturnoffthecomputerandreplaceDIMMsduringthetuningprocess,thesystem
continuesmemorytuningafterturningonthecomputer.Tostopmemorytuning,turn
offthecomputerandunplugthepowercordforabout5–10seconds,thensetthe
MemOK!IIswitchtodisabled.
• EnsuretoreplacetheDIMMswithonesrecommendedintheMemoryQVL(Qualied
VendorsLists)atwww.asus.com.
• WerecommendthatyoudownloadandupdatetothelatestBIOSversionfrom
www.asus.comafterusingtheMemOK!IIfunction.
1.1.6 Onboard switches
1. MemOK! II switch (MemOK!_II)
InstallingDIMMsthatarenotcompatiblewiththemotherboardmaycausesystem
bootfailure.Theswitchisenabledbydefault,allowingmemoryre-trainingwhenthe
motherboardisunresponsiveduetomemoryproblems.TheMem_LEDwilllightup
whilere-training,andturnoffwhenthere-trainingiscomplete.
®
ON
OFF
MemOK!_II
TUF Z390M-PRO GAMING MemOK! switch