Specifications

20 MB-662 User Manual
System Status LED Pin Header (JP13)
LED indicator for system status, it serves as an early warning
indicator and as well as a quick troubleshooting indicator. Just
follow the pin definition for each 7 LEDs illustrated below:
Pin Signal Pin Signal
1 Power_ON LED 2 Vcc
3 CPU_fan LED 4 Vcc
5 System_fan LED 6 Vcc
7 HDD_access LED 8 Vcc
9 Low_temperature LED (option) 10 Vcc
11 High_temperature LED (option) 12 Vcc
13 LAN_access LED 14 Vcc