Acrosser AR-B7290 - Manual (Page 39)

User’s Ma nual
AR-B7290 39
1.8.4
Chassis Fan Connector (CHA_FAN)
1.8.5
CPU Fan Connector (CPU_FAN)
z Do not forget to connect the fan cables to the fan connectors.
Insufficient air flow inside the system may damage the
motherboard components, and hardware monitoring errors can
occur if you fail to plug this connector.
z These are not jumpers! DO NOT place jumper caps on the fan
connectors.