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RK3399 SBC has 9-36V DC and optional 4G, WiFi, serial, and HDMI-in modules

Jun 13, 2018 — by Eric Brown 2,049 views

ICNexus’ “SBC3100” SBC runs Ubuntu or Android on a Rockchip RK3399 with up to 4GB RAM and 16GB flash plus HDMI 2.0, DP, eDP, MIPI-DSI and -CSI, 9-36V power, optional WiFi/BT, and a mini-PCIe slot with optional 3G or 4G.

Taiwan-based ICNexus’ SBC3100 joins a growing list of SBCs that feature, the hhigh-end Rockchip RK3399 SoC, and like most, it taps the high-end SoC to provide an extensive feature list. Unlike most we’ve seen, however, it is not publicly priced and appears to be a proprietary product, such as Aaeon’s Pico-ITX based RICO-3399.

Our recent catalog of 116 hacker boards included six RK3399-based open-spec, community backed SBCs. There’s less than a week left to vote for your favorite open-spec SBC and answer a few questions on our 2018 hacker board reader survey to win a chance at one of 15 SBC prizes.

SBC3100, front and back
(click images to enlarge)

ICNexus announced the SBC3100 in 2017, according to the CNXSoft story that alerted us to the board. The SBC3100 was showcased at last week’s Computex show in Taipei. The board ships with Ubuntu and Android images, and is designed for applications including digital signage, POS, gaming, STBs, kiosks, “and other smart devices,” says ICNexus.


Despite the high-end features, not much stands out from the other equally showy RK3399 contenders except for its wide-range 9-36V DC input and its optional add-on modules. You can equip the board with an HDMI input, an LVDS touchscreen interface, and a 4-port serial add-on.

You can order the board with up to 4GB DDR3 and 16GB flash (presumably eMMC). Media ports include HDMI 2.0, eDP, and DP (via USB Type-C). The MIPI specs are a bit vague, but it seems you can order up to 2x MIPI-DSI or -CSI, but not 2x of both, and there’s also a separate camera port and I2C touch interface. There’s a GbE port plus optional WiFi/BT module, and the mini-PCIe slot (with micro-SIM) supports optional 3G or 4G modules.

SBC3100 block diagram and detail view
(click images to enlarge)

The SBC3100 provides 4x real-world USB ports, half of them 3.0, plus the Type-C port and additional USB headers. Other features include GPIO, serial debug, IR, I2C, and optional sensors.

Specifications listed for the SBC3100 include:

  • Processor — Rockchip RK3399 (2x Cortex-A72 at up to 2.0GHz, 4x Cortex-A53); Mali-T860 GPU
  • Memory:
    • 1GB, 2GB, or 4GB DDR3 RAM
    • 8GB or 16GB flash
    • MicroSD slot
  • Display/camera:
    • HDMI 2.0 out port at up to [email protected]
    • DisplayPort 1.2 at up to [email protected] (via USB Type-C)
    • eDP 1.3 at up to 2560×[email protected]
    • 1x or 2x MIPI-DSI at up to 2560×1600 at 60fps with optional MIPI/LVDS touchscreen module
    • 1x or 2x MIPI-CSI with optional HDMI input module
    • Camera port
    • I2C-based capacitive touch interface
  • Audio — mic/earphone connector; 2x speaker connectors
  • Wireless:
    • Optional 802.11b/g/n and Bluetooth 4.0
    • Optional 3G or LTE modules for mini-PCIe slot
    • Micro-SIM card slot
  • Networking — Gigabit Ethernet port
  • Other I/O:
    • 4x USB 3.0 host (2x ports, 2x headers); 1GB RAM model has USB 2.0 only
    • 3x USB 2.0 host (2x ports, 1x header)
    • USB 3.0 Type-C port with DP support
    • Serial console debug
    • Optional serial module with 4x RS232/422/485 DB9 ports
    • 8-bit GPIO
    • I2C master
    • Keypad interface
  • Expansion — Mini-PCIe slot with 3G/LTE support
  • Other features — IR receiver; buzzer; heatsink; optional 3-axis accelerometer; optional gyro/G-Sensor (only on 4GB RAM model)
  • Power — 9-36V DC input; 3/5/12V DC output; power and reset buttons
  • Weight — 129 g (including heatsink)
  • Dimensions — 150 x 102 x 2.6mm
  • Operating system — Pre-installed Ubuntu or Android

SBC-POS (left) and SBC2100

ICNexus offers two other Linux- and Android-ready ICNexus SBCs, both of which are based on the NXP i.MX6. The compact SBC-POS has LVDS with multiple touch interfaces, optional wireless modules, Fast Ethernet, 5x serial, and 7x USB 2.0 connections. The larger, more feature-rich SBC2100 offers HDMI, LVDS, GbE, SATA, USB, serial, wireless, CAN, a 9-36V input, and extended temperature support.

Further information

No pricing information is provided for the SBC3100, but it appears to be available. More information may be found on the ICNexus SBC3100 product page.

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