Restructure wiki to prepare for Helios64.

* Move all previous info into Helios4 subfolder * Add helios64 subfolder * Update all url link Note: http server has been configure to ensure existing inbound link can still be resolved to the right page.
2019-12-13 16:15:54 +08:00 · 2019-12-13 16:15:54 +08:00 · 312587c675
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+## Block Diagram
+
+### Helios4 Carrier Board
+![!Block Diagram](/helios4/img/hardware/helios4_block_diagram.jpg)
+
+### A388 System-On-Chip
+![!Block Diagram](/helios4/img/hardware/soc_block_diagram.png)
+
+## Connector / Interface List
+
+![!Board Legend](/helios4/img/hardware/board_legend.jpg)
+
+Name |Peripheral Type|Connector Type|Details
+-----|---------------|--------------|-------
+CON2|Serial port|Micro-USB Connector|Via onboard FTDI USB-to-UART0 bridge
+*J8*|*RC Battery*|*Not populated*|*External battery source for RTC clock*
+J9|I2C|4x1 Pin Male Header|I2C Bus 1
+J10|Fan|4x1 Pin Male Header|PWM and RPM support
+J12|GPIO|7x2 Pin Male Header|GPIO configurable as input or output<br>Via IO Expander on I2C Bus 0
+*J13*|*Serial port*|*Not populated*|*SoM UART0 interface*
+J14|HDD Power|Molex 4-Pin Female|Rated for 2x HDD
+J15|LAN|RJ45|Gigabit Ethernet
+J16|DC connector|Kycon 4-Pin Mini-DIN|DC input 12V / 8A
+J17|Fan|4x1 Pin Male Header|PWM and RPM support
+J18|LED Panel|5x2 Pin Male Header|Expansion port of on-board LED
+J19|HDD Power|Molex 4-Pin Female|Rated for 2x HDD
+SW1|Boot Mode|Dip Switch|Boot mode selector :<br> SPI,MMC,UART,SATA
+SW2|LED Mode|Dip Switch|LED mode selection :<br> board or expansion panel
+U3|microSD|Push-Push card connector|Support SDHC and SDXC
+U4|USB 3.0|Dual Port USB3.0|Type A
+U16|Reset|Push Button|CPU Reset
+U10|SATA|SATA 3.0|Port 0 (SATA1)
+U11|SATA|SATA 3.0|Port 1 (SATA2)
+U12|SATA|SATA 3.0|Port 2 (SATA3)
+U13|SATA|SATA 3.0|Port 3 (SATA4)
+
+## Boot Modes
+
+Helios4 supports 4 boot modes that can be chosen by using the dipswitch SW1.
+
+![Dipswitch modes](/helios4/img/hardware/dipswitch_modes.jpg)
+
+All the ready-to-use images we provide are for the **SD Card** boot mode.
+
+Please refer to [U-boot](/helios4/uboot) section to know how to use the other modes.
+
+## LED indicators
+
+LED Name|Color|Description
+---|---|---
+LED1|green|System heartbeat
+LED2|red|Error status
+LED3|green|SATA1 activity
+LED4|green|SATA2 activity
+LED5|green|SATA3 activity
+LED6|green|SATA4 activity
+LED7|green|USB activity
+LED8|green|Power indicator
+
+Helios4 board was designed to either use the on-board LEDs or use an expansion panel (not-available). To use the on-board LEDs insure to switch to ON the dipswitch SW2.
+
+![Dipswitch LED](/helios4/img/hardware/dipswitch_led_on.jpg)
+
+## Reset Button
+
+Helios4 board provides a RESET push button (U16) to hard reset the SoC (System-On-Chip).
+
+![Reset Button](/helios4/img/hardware/reset_button.jpg)
+
+!!! Important
+    This button only resets the SoC and not the overall board. For instance it won't reset the HDD.
+
+## I2C Interface
+
+Helios4 board exposes on header J9 the SoC I2C Bus 1. Below is the header pin-out, the little arrow on the PCB indicates the ground pin.
+
+![I2C Pinout](/helios4/img/hardware/i2c_pinout.png)
+
+## Power Consumption
+
+**Board only**
+
+* Idle  : 3.6 Watts
+* Active : 5.6 Watts
+
+**Full Kit (with 4x HDDs)**
+
+| State               | AC calculated<br>power consumption | DC measured<br>power consumption | Remarks             |
+|---------------------|----------------------|----------------------|---------------------|
+|  Idle               | 19.3 W               | 16.8 W               |                     |
+|  HDD Read Access    | 27.4 W               | 22.8 W               |                     |
+|  HDD Write Access   | 30.3 W               | 25.2 W               |                     |
+|  Standby            | 8.0 W                | 6.7 W                | HDD in Standby mode |
+|  Suspend-to-Ram     | 7.2 W                | 6.0 W                | HDD in Standby mode |
+
+!!! note
+    Measures were done using a Current Clamp Meter on the Helios4 12V DC input. AC Power consumption is calculated based on a AC/DC conversion efficiency of 85%.
+
+    * Meter tool : Extech 380942 - 30A True RMS AC/DC Mini Clamp
+    * AC/DC Adapter : yczx1268 (efficiency : 85%)
+    * AC Input Voltage: 220V
+    * HDD: 4x WD Red 2TB (WD20EFRX) configured as RAID10
+    * Network : Connected at 1000Mb/s
+    * OS: ARMBIAN 5.73 stable Debian GNU/Linux 9 (stretch) 4.14.98-mvebu   
+
+
+## HDD Recommendation List
+
+We recommend HDD which are designed for NAS (Network Attached Storage). Those NAS HDD are specially conceived for reliable 24/7 operation and offers lower power consumption and dissipation, less vibration and noise, and finally better warranty. We recommend the following models :
+
+**Western Digital** : WD Red NAS (1, 2, 3, 4, 6, 8 and 10TB)
+
+- WD10EFRX
+- WD20EFRX
+- WD30EFRX
+- WD40EFRX
+- WD60EFRX
+- WD80EFZX
+- WD100EFAX
+
+**Seagate** : IronWolf NAS (1, 2, 3, 4, 6, 8 and 10TB)
+
+- ST1000VN002
+- ST2000VN004
+- ST3000VN007
+- ST4000VN008
+- ST6000VN0041
+- ST8000VN0022
+- ST10000VN0004
+
+**HGST** : Deskstar NAS (4, 6 and 8TB)
+
+- 0S04005
+- 0S04007
+- 0S04012
+
+!!! note
+    We recommend to order from different shop to avoid having all the drives from the same factory batch. For instance, you should order 2x HDDs from one shop, then the 2 others from another shop.
+
+## HDD / SSD Compability List
+
+Please refer to [Synology DS416j Compatibility List](https://www.synology.com/en-global/compatibility?search_by=products&model=DS416j&category=hdds&p=1) that covers a large number of tested drives. The DS416j used the same SoC family than Helios4.