User's Manual

ASUS PRIME B250-PLUS
1-3
System panel connector (20-5 pin F_PANEL)
Thisconnectorsupportsseveralchassis-mountedfunctions.
Clear RTC RAM (2-pin CLRTC)
ThisheaderallowsyoutocleartheCMOSRTCRAMdataof
thesystemsetupinformationsuchasdate,time,andsystem
passwords.
To erase the RTC RAM:
1. TurnOFFthecomputerandunplugthepowercord.
2. Useametalobjectsuchasascrewdrivertoshortthe
twopins.
3. PlugthepowercordandturnONthecomputer.
4. Holddownthe<Del>keyduringthebootprocessand
enterBIOSsetuptore-enterdata.
CLRTC
+3V_BAT GND
PIN 1
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.
USB 3.0 connectors (20-1 pin USB3_12)
ConnectaUSB3.0moduletoanythisconnectorforadditionalUSB3.0front
orrearpanelports.ThisconnectorcomplieswithUSB3.0specicationsand
providefasterdatatransferspeedsofupto5Gbps,fasterchargingtimeforUSB-
chargeabledevices,optimizedpowerefciency,andbackwardcompatibilitywith
USB2.0.
M.2 socket 3
ThesesocketsallowyoutoinstallM.2(NGFF)SSDmodules.
M.2(SOCKET3)
• TheseM.2socketssupportMKeyand2242/2260/2280storagedevices.
• TheM.2_1socketsupportsdatatransferspeedupto16Gb/s.
• TheM.2_2socketsupportsdatatransferspeedupto32Gb/s.
• OnlyM.2_2socketcansupportIntel
®
Optane™Memory.Intel
®
Optane™
Technologyisonlysupportedwhenusing7thGenerationIntel
®
processors.Before
usingIntel
®
Optane™memorymodules,ensurethatyouhaveupdatedyour
motherboarddriversandBIOStothelatestversionfromASUSsupportwebsite.
• WhenanM.2deviceinPCIemodeisinstalledontoM.2_1,PCIex16_2slotonly
runsatx1modeandSATA6G_1portisenabled.
• WhenanM.2deviceinSATAmodeisinstalledontoM.2_1,theM.2deviceuses
theSATA6G_1bandwidth.SATA6G_1portisdisabled.