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Thin Mini-ITX boards offer Atom and Core options

Nov 17, 2014 — by Eric Brown 2,770 views

Congatec announced two Linux-ready, industrial thin Mini-ITX boards measuring 25mm thick, featuring Intel Atom E3800 and 4th Gen Core SoCs, respectively.

Congatec may be a big name in computer-on-modules, but it announced its very first single board computer only last May: the AMD G-Series SoC based Conga-IGX Mini-ITX board. Now the German embedded firm is launching two more Linux-compatible Mini-ITX boards: the Intel Atom E3800 based Conga-IA3 and the Intel 4th Gen Core (“Haswell”) based Conga-IC87.

Like other Mini-ITX SBCs, the boards measure 170 x 170mm. However, the boards are dubbed “thin” Mini-ITX, at just 25mm, including the I/O shield (coastline ports). As a result, the boards can better fit inside tightly constrained embedded equipment.

Conga-IA3 (left) and Conga-IC87
(click images to enlarge)

Because the boards stack their ports two high instead of three, there are fewer of them than with a consumer Mini-ITX motherboard, with onboard connectors picking up the slack. Other Linux-ready Mini-ITX boards that are billed as being “thin” include Habey’s MITX-6771.



The Conga-IA3 is available with a variety of Intel Atom E3800 chips, including the quad-core, 1.91GHz E3845 and the dual-core, 1.7GHz E3827. Two related Celeron chips are also available. Applications include panel PCs, digital signage, control solutions, as well as PoS and kiosk systems, says Congatec.

The SBC supports up to 16GB of DDR3L RAM, according to the datasheet, or 8GB according to the press release. Real-world coastline ports on the Conga-IA3 include dual gigabit Ethernet ports, a DisplayPort, a VGA port, and four USB ports, two of them 3.0 ready models. An audio jack is also available.

Conga-IA3 block diagram
(click image to enlarge)

Five more USB interfaces are onboard, along with dual-channel LVDS, eDP, mSATA, dual SATA, dual serial, and GPIO interfaces. Expansion is supported with PCIe and a pair of mini-PCIe slots.

The Conga-IA3 is touted for being passively cooled and hermetically sealed, with support for 0 to 60°C temperatures. It offers guaranteed long-term availability of at least seven years, and runs on a wide-range 12-24V power supply.

Specifications listed for the Conga-IA3 Mini-ITX board include:

  • Processor — Intel Atom E3800 (Bay Trail-I) with 5-10W TDP and Intel HD Graphics:
    • E3845 (4x cores @ 1.91GHz), 10W TDP
    • E3827 (2x cores @ 1.7GHz), 8W TDP
    • E3826 (2x cores @ 1.46GHz), 7W TDP
    • E3825 (2x cores @ 1.33GHz), 6W TDP
    • E3815 (1x core @ 1.46GHz), 5W TDP (not available in early runs)
    • Intel Celeron J1900 (4x cores @ 2.42GHz), 10W TDP
    • Intel Celeron N2930 (4x cores @ 2.00GHz), 7.5W TDP
  • Memory — Up to 8GB or 16GB DDR3L via 2x SODIMMs
  • Display:
    • DisplayPort at up to 2560 x 1600 (up to 1920 x 1200 when configured as HDMI)
    • VGA port
    • LVDS dual-channel, 24-bit via internal DISP
    • eDP interface
    • Dual independent display support
  • Networking — 2x gigabit Ethernet ports
  • Other I/O:
    • 9x USB:
      • 2x USB 3.0 ports
      • 2x USB 2.0 ports
      • 2x USB 3.0 onboard connectors
      • 2x USB 2.0 onboard connectors
      • USB 2.0 header
    • 3.5mm audio jack (stereo out, mono in with HD audio)
    • 2x serial interfaces (optionally CCtalk)
    • 2x SATA connectors
    • mSATA connector (shared with SATA)
    • SATA power, 12-19V power, and optional battery power headers
    • 8-bit GPIO connector
    • I2C and LPC buses
  • Expansion:
    • PCIe x1 shared with mSATA/mini-PCIe
    • Mini-PCIe full-size interface shared with mSATA
    • Mini-PCIe half-size
  • Other features — RTC; optional TPM
  • Power – 12-19V (optional 6-24V); ACPI
  • Operating temperature — 0 to 60°C
  • Dimensions — 170 x 170 x 25mm; Mini-ITX form-factor
  • Operating system — Linux; Windows 7/8/WES7/WES8


The Conga-IC87 supports one of four dual-core processors from Intel’s 4th Generation Core line, all with 15W TDPs: the 1.7GHz Core i7-4650U, 1.9GHz Core i5-4300U, 1.7GHz Core i3-4010U, and 1.6GHz Celeron 2980U. The chips support a full slate of Intel extras like AES-NI hardware encryption, AVX2 accelerated vector multiplications, Turbo Boost 2.0, AMT 9.5, Intel Virtualization Technology, and Trusted Execution Technology (TXT).

Conga-IC87 I/O detail
(click image to enlarge)

The Celeron model supports HD Gen7 graphics, while the three Core SoCs integrate more powerful HD4400 (i3, i5) and HD5000 (i7) graphics. All four options support up to three independent displays with up to 3840 x 2160-pixel resolution at 60Hz (DisplayPort) or 1920 x 1200 at 60Hz with HDMI. The three Core processors support 4K resolution with 3840 x 2160 pixels. Two DisplayPorts are available on the coastline along with onboard eDP and dual-channel LVDS connections.

Conga-IC87 coastline ports
(click image to enlarge)

The Conga-IC87 supports up to 16GB of DDR3L RAM. Four USB 3.0 ports, dual gigabit Ethernet ports, and audio ports are also found on the coastline.

The rest of the I/O uses various onboard connections. You get four more USB 2.0 interfaces plus four SATA interfaces up to 6Gbps, one of which can be used as an mSATA interface. Additional I/O includes a pair of serial connectors, a CCtalk connector, and a variety of PCIe and mini-PCIe slots, as shown in the images above and below.

Conga-IC87 block diagram
(click image to enlarge)

The Conga-IC87 supports 0 to 60°C temperatures, and offers guaranteed long-term availability of at least seven years. The board provides a 12-19V power supply, according to the spec sheet, or 12-24V according to other product page information. There’s also an option for an even wider range 6-24V supply. As with the Conga-IA3, Linux and various Windows flavors are supported.

Further information

No pricing or availability information was supplied for the Conga-IA3 or Conga-IC87 thin Mini-ITX boards. More information may be found at the Conga-IA3 and Conga-IC87 product pages, respectively.

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