User Manual

2-11
Chapter 2: Motherboard information
2.6.2 Internal connectors
1. ATX power connector (4-pin ATX12V)
Correctly orient the ATX power supply plug into this connector and push
down rmly until the connector completely ts.
PIN 1
ATX12V
DC_PWR
DC_PWR
GND
GND
CAUTION: Do not forget to connect the fan cables to the fan headers.
Insufcient air flow inside the system may damage the motherboard
components. These are not jumpers! Do not place jumper caps on the fan
headers!
2. Chassis Fan header (4-pin CHA_FAN)
Connect the fan cable to the fan header on the motherboard, ensuring that
the black wire of each cable matches the ground pin of the header.
CHA_FAN
O_CHAFAN_PWM_Q
O_CHAFANIN_R
12V
GND
PIN 1
Connector type
WAFER HD 4p, 2.54mm pitch, S/T