1-23Chapter 1: Product introduction
Do not forget to connect the fan cables to the fan connectors. Insufcient air ow inside the
system may damage the motherboard components. These are not jumpers! Do not place
jumper caps on the fan connectors!
4. CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN)
Connect the fan cables to the fan connectors on the motherboard, ensuring that the
black wire of each cable matches the ground pin of the connector.
The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power.
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
GND
+12V
Rotation
P8H61-M LX2 R2.0 CPU connectors
CHA_FAN
P8H61-M LX2 R2.0
5. USB connectors (10-1 pin USB78, USB910)
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 specication that supports up to
480 Mbps connection speed.
Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!
The USB module cable is purchased separately.
P8H61-M LX2 R2.0
P8H61-M LX2 R2.0 USB2.0 connectors
PIN 1
USB+5V
USB_P10-
USB_P10+
GND
NC
USB+5V
USB_P9-
USB_P9+
GND
USB910
PIN 1
USB+5V
USB_P8-
USB_P8+
GND
NC
USB+5V
USB_P7-
USB_P7+
GND
USB78