User’s Manual

1‑4
Chapter 1: Product introduction
USB 3.1 Gen 1 (up to 5Gbps) connector (20-1 pin U31G1_12)
ConnectaUSB3.1Gen1moduletothisconnectorforadditionalUSB3.1
Gen1frontorrearpanelports.ThisconnectorcomplieswithUSB3.1Gen1
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.
USB 2.0 connectors (10-1 pin USB34, USB56)
TheseconnectorsareforUSB2.0ports.ConnecttheUSBmodulecabletoanyof
theseconnector,theninstallthemoduletoaslotopeningatthebackofthesystem
chassis.TheseUSBconnectorscomplywithUSB2.0specicationsandsupports
upto480Mbpsconnectionspeed.
Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital
Interface(S/PDIF)port.ConnecttheS/PDIFOutmodule
cabletothisconnector,theninstallthemoduletoaslot
opening at the back of the system chassis.
SPDIF_OUT
+5V SPDIFOUT GND
System panel connector (10-1 pin F_PANEL)
Thisconnectorsupportsseveralchassis‑mountedfunctions.
Speaker connector (4-pin SPEAKER)
This4‑pinconnectorisforthechassis‑mountedsystemwarningspeaker.The
speaker allows you to hear system beeps and warnings.
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.
Serial port connector (10-1 pin COM)
Thisconnectorisforaserial(COM)port.Connectthe
serialportmodulecabletothisconnector,theninstall
the module to a slot opening at the back of the system
chassis.
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS