701 B
701 B
Expansion Panel (J18)
Helios4 board was designed to either use the on-board LEDs or use a custom expansion panel (not-available). If you wish to use the header insure to switch to OFF the DIP switch SW2.
Pinout Table
| Pin | LED number | Remarks |
|---|---|---|
| 1 | - | 3.3V supply |
| 2 | - | Not connected |
| 3 | LED1 | Heartbeat LED |
| 4 | LED2 | System Fault LED |
| 5 | LED3 | SATA port 1 LED |
| 6 | LED4 | SATA port 2 LED |
| 7 | LED5 | SATA port 3 LED |
| 8 | LED6 | SATA port 4 LED |
| 9 | LED7 | USB activity LED |
| 10 | - | GND |