Asus TS300-E3 PA4 TS300-E3 - Page 83

10. CPU and system fan connectors (3-pin CPU_FAN1/2, REAR_FAN1/2, FRNT_FAN1/2) The fan connectors support cooling fans of 350 mA ~ 740 mA (8.88 W max.) or a total of 2.1 A ~ 4.44 A (53.28 W max.) at +12V. Connect the fan cables to the fan connectors on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector. Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! CPU_FAN1 CPU_FAN2 REAR_FAN1 REAR_FAN2 GND FANPWR ROTATION PWM CPU_FAN1 CPU_FAN2 PWM ROTATION FANPWR GND ® LAN2 FRNT_FAN1 REAR_FAN1 REAR_FAN2 Rotation FANPWR GND Rotation FANPWR GND FRNT_FAN2 FRNT_FAN1 FRNT_FAN2 P5MT Series Fan connectors Rotation FANPWR GND Rotation FANPWR GND 11. Backplane SMBus connector (6-1 pin BPSMB1) This connector allows you to connect SMBus (System Management Bus) devices. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface. LAN2 1 BPSMB1 ® FANOUT I2C_CLK GND I2C_DATA +5V P5MT Series SMBus connector ASUS TS300-E3/PA4 & PS4 4-15