Chapter 2
K8N4/K8N4U
11
USB5_6; USB7_8; USB9_10
Besides USB1,2,3,4 on the back panel, K8N4/K8N4U series of mainboards also have three
10-pin headers on board which may connect to front panel USB cable( optional ) to provide
additional six USB ports.
Infrared Header (IrDA)
This connector supports wireless transmitting and receiving device. Before using this
function, configure the settings for IR Address, IR Mode and IR IRQ from the “INTE-
GRATED PERIPHERALS” section of the CMOS SETUP.
USB5_6
USB7_8
IrDA
USB9_10
UD0-
UD1-
VCC
1
VCC
UD0+
GND
C U T
UD1+
GND
NC
UD0-
UD1-
VCC
1
VCC
UD0+
GND
C U T
UD1+
GND
NC
UD0-
UD1-
VCC
1
VCC
UD0+
GND
C U T
UD1+
GND
NC
1
VCC
IRRX
GND
IRTX
CUT