Asus B85M-G - Keyboard and USB Device Wake-up Jumpers

ASUS B85M-G
1-11
• Ifthestepsabovedonothelp,removetheonboardbatteryandshortthetwopins
againtocleartheCMOSRTCRAMdata.AfterclearingtheCMOS,reinstallthe
battery.
• YoudonotneedtocleartheRTCwhenthesystemhangsduetooverclocking.For
systemfailureduetooverclocking,usetheCPUParameterRecall(C.P.R.)feature.
Shutdownandrebootthesystem,thentheBIOSautomaticallyresetsparameter
settingstodefaultvalues.
2. Keyboard and USB device wake-up (KB_USBPWB)
Setthisjumperto+5VtowakeupthecomputerfromS1sleepmode(CPUstopped,
DRAMrefreshed,systemrunninginlowpowermode)usingtheconnectedUSB
devices.Setto+5VSBtowakeupfromS3andS4sleepmodes(nopowertoCPU,
DRAMinslowrefresh,powersupplyinreducedpowermode).
B85M-G
+5V +5VSB
(Default)
KB_USBPWB
B85M-G Keyboard and USB device wake up
1 2
2 3
• TheUSBdevicewake-upfeaturerequiresapowersupplythatcanprovide500mAon
the+5VSBleadforeachUSBport;otherwise,thesystemwouldnotpowerup.
• ThetotalcurrentconsumedmustNOTexceedthepowersupplycapability(+5VSB)
whether under normal condition or in sleep mode.
3. USB device wake-up (USBPWF)
ThisjumperallowsyoutoenableordisabletheUSBdevicewake-upfeature.When
yousetthisjumpertopins2-3(+5VSB),youcanwakeupthecomputerbypressinga
keyontheUSBkeyboardorbyclickingontheUSBmouse.Thisfeaturerequiresan
ATXpowersupplythatcansupplyatleast1Aonthe+5VSBlead,andacorresponding
settingintheBIOS.
B85M-G
21
2 3
+5V
(Default)
+5VSB
USBPWF
B85M-G USB device wake up
E9884_B85M-G_v4_Manual.indb 11 2014/11/4 11:09:48