kobol-wiki/docs/helios64/front-panel.md

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Helios64 provides an external front panel interface via a 24-Pin header (P3) in order to expose system buttons and LEDs.
![P3 Location](/helios64/img/front-panel/fp_header.jpg)
## Pinout
![P3 Pinout](/helios64/img/front-panel/fp_header_pinout.jpg)
| PIN | Port | Direction |
|-----|------|-----------|
| 1 | SATA Consolidated Activity LED |
| 2 | Power On LED |
| 3 | Ground |
| 4 | Ground |
| 5 | RESET Button |
| 6 | POWER Button |
| 7 | USR1 Button |
| 8 | USR2 Button |
| 9 | Network Activity LED |
| 10 | USB Activity LED |
| 11 | 3V3 |
| 12 | System On LED |
| 13 | System Error LED |
| 14 | SATA 0 Activity LED |
| 15 | SATA 0 Error LED |
| 16 | SATA 1 Activity LED |
| 17 | SATA 1 Error LED |
| 18 | SATA 2 Activity LED |
| 19 | SATA 2 Error LED |
| 20 | SATA 3 Activity LED |
| 21 | SATA 3 Error LED |
| 22 | SATA 4 Activity LED |
| 23 | SATA 4 Error LED |
| 24 | Ground |
### Wiring Example
**LED wiring:**
![P3 LED Wiring](/helios64/img/front-panel/fp_led_wiring.jpg)
*LED output pins are Active High.*
**Button wiring:**
![P3 Button Wiring](/helios64/img/front-panel/fp_button_wiring.jpg)
*Button input pins are Active Low.*
## Helios64 Enclosure
2020-10-20 07:19:43 +02:00
The official Helios64 enclosure comes with a specially designed front panel that connects to the 24-Pin header (P3) and USB 3.0 Port (J1). This front panel exposes all the on-board [LEDS](/helios64/led/) and [Buttons](/helios64/button/) required to operate the Helios64 NAS along with an USB 3.0 port for data loading / offloading.
![Front Panel Label](/helios64/img/front-panel/fp_labels.jpg)
### PCB Details
![Front Panel PCB RHS](/helios64/img/front-panel/fp_pcb_render.jpg)
* All switches are push buttons.
* All Error LEDs are red while Status / Activity LEDs are blue.
* USB 3.0 Port is provided by a USB 3.0 Type A Female to Male extension cable.
![Front Panel PCB LHS](/helios64/img/front-panel/fp_pcb_silkscreen.jpg)
### PCB Wiring
The Helios64 Front Panel is already mounted with the USB 3.0 extension cable and with a ribbon cable + header snapped to the ICD connector (P1).
2020-04-27 09:30:47 +02:00
The wiring between Helios64 main board and the front panel is illustrated in figures below:
![Front Panel Connection 1](/helios64/img/front-panel/fp_pcb_wiring1.jpg)
![Front Panel Connection 2](/helios64/img/front-panel/fp_pcb_wiring2.jpg)
!!! Warning
Please be careful with the 24-Pin header polarity. Make sure that Pin 1 of main board P3 header is connected to the Pin 1 of front panel P1 ICD connector.