User's Manual

1-20
Chapter 1: Product introduction
10. 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connectors,theninstallthemoduletoaslotopeningatthebackofthesystem
chassis.TheseUSBconnectorscomplywithUSB2.0specicationthatsupportsupto
480Mbpsconnectionspeed.
Neverconnecta1394cabletotheUSBconnectors.Doingsowilldamagethe
motherboard!
TheUSB2.0moduleispurchasedseparately.
11. USB 3.0 connector (20-1 pin USB3_34)
TheseconnectorsallowyoutoconnectaUSB3.0moduleforadditionalUSB3.0front
orrearpanelports.WithaninstalledUSB3.0module,youcanenjoyallthebenetsof
USB3.0includingfasterdatatransferspeedsofupto5Gbps,fasterchargingtimefor
USB-chargeabledevices,optimizedpowerefciencyandbackwardcompatibilitywith
USB2.0.
YoucanconnecttheASUSfrontpanelUSB3.0brackettothisconnectortoobtainthefront
panelUSB3.0solution.
A78M-E
A78M-E USB2.0 connectors
PIN 1
USB+5V
USB_P5-
USB_P5+
GND
NC
USB+5V
USB_P6-
USB_P6+
GND
USB56 USB34
PIN 1
USB+5V
USB_P3-
USB_P3+
GND
NC
USB+5V
USB_P4-
USB_P4+
GND
A78M-E
A78M-E USB3.0 connector
USB3_34
USB3+5V
IntA_P1_SSRX-
IntA_P1_SSRX+
IntA_P1_SSTX-
GND
IntA_P1_SSTX+
GND
IntA_P1_D-
IntA_P1_D+
GND
PIN 1
USB3+5V
IntA_P2_SSRX-
IntA_P2_SSRX+
GND
IntA_P2_SSTX-
IntA_P2_SSTX+
GND
IntA_P2_D-
IntA_P2_D+