Asus NCLV-DA User Guide - Page 54

5 . Hard disk activity LED connector (2-pin HDLED1) This connector supplies power to the hard disk activity LED. The read or write activities of any device connected to the primary/secondary IDE connectors or the SATA connectors cause this LED to light up. HDLED1 1 SCSI_ACTLED+ SCSI_ACTLEDSCSI_ACTLEDSCSI_ACTLED+ NCLV(Series) SCSI/SATA card activity LED connector 6 . CPU and system fan connectors (4-pin CPU_FAN1/2, 3-pin 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! REAR_FAN1 REAR_FAN2 CPU_FAN1 CPU_FAN2 REAR_FAN1 REAR_FAN2 GND +12V Rotation Rotation +12V GND CPU_FAN1 CPU_FAN2 GND FANPWR2 FANOUT4 GND FANPWR2 FANOUT4 FRNT_FAN1 FRNT_FAN2 NCLV(Series) Fan connectors FRNT_FAN1 FRNT_FAN2 Rotation +12V GND Rotation +12V GND 2-34 Chapter 2: Hardware information