MSI E7230 User Guide - Page 31

Hardware Setup Power Saving Switch Connector: JGS1 Attach a power saving switch to this connector. Press the switch once to have the system entered the Sleep/Suspend state. Press any key to wake up the system. JGS1 LAN LED Connectors: JACT1, JACT2 The LAN LED connectors are used to connect to LAN LEDs, which show the activity of the LAN. JACT1 is for LAN2 jack and the JACT2 is for LAN1 jack. Both LAN1 & LAN2 jacks are located on the back panel. JACT1 - + - + JACT2 Fan Power Connectors: CPU_FAN1, SFAN1/2/3/4 The fan power connectors support system cooling fan with +12V. W hen connecting the wire to the connectors, always note that the red wire is the positive and should be connected to the +12V; the black wire is Ground and should be connected to GND. If the mainboard has a System Hardware Monitor chipset onboard, you must use a specially designed fan with speed sensor to take advantage of the CPU fan control. GND +1 2V SENSOR Control CPU_FAN1 GND +1 2V SE NS OR SFAN1/2 SENSOR +1 2V GND SFAN3 Sensor GND +12V SFAN4 MSI Reminds You... 1. Please refer to the recommended CPU fans at Intel® official website or consult the vendors for proper CPU cooling fan. 2. CPU_FAN1 supports Smart Fan control. You can install PC Alarm utility that will automatically control the CPU fan speed according to the actual CPU temperature. Alternatively, you may set up the smart fan control functions in the BIOS setup utility. 2-17