1-3
Speaker connector (4-pin SPEAKER)
The4-pinconnectorisforthechassis-mountedsystemwarningspeaker.The
speakerallowsyoutohearsystembeepsandwarnings.
System panel connector (10-1 pin F_PANEL)
Thisconnectorsupportsseveralchassis-mountedfunctions.
USB 2.0 connector (10-1 pin USB78)
ConnectaUSBmodulecabletothisconnector,theninstallthemoduletoaslot
openingatthebackofthesystemchassis.ThisUSBconnectorcomplywithUSB
2.0specicationsandsupportupto480Mbpsconnectionspeed.
Clear RTC RAM (2-pin CLRTC)
ThisheaderallowsyoutocleartheCMOSRTCRAMdataof
thesystemsetupinformationsuchasdate,time,andsystem
passwords.
To erase the RTC RAM:
1. TurnOFFthecomputerandunplugthepowercord.
2. Useametalobjectsuchasascrewdrivertoshortthetwo
pins.
3. PlugthepowercordandturnONthecomputer.
4. Holddownthe<Del>keyduringthebootprocessand
enterBIOSsetuptore-enterdata.
Ifthestepsabovedonothelp,removetheonboardbatteryandshortthetwopinsagain
tocleartheCMOSRTCRAMdata.AfterclearingtheCMOS,reinstallthebattery.
PCI Express 2.0 x1 slot
ThismotherboardhasaPCIExpress2.0x1slotthatsupportsPCIExpressx1
networkcards,SCSIcards,andothercardsthatcomplywiththePCIExpress
specications.
PCI Express 3.0 / 2.0 x16 slot
ThismotherboardsupportsaPCIExpress3.0/2.0x16graphiccardthatcomplies
withthePCIExpressspecications.
CLRTC
+3V_BAT
GND
PIN 1
E15121_PRIME_H310M-F_R2.0_UM.indb 3 1/4/2019 1:59:36 PM