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Tough Mini-PC with up to four GbE ports runs Linux Mint on AMD SoC

Jun 30, 2016 — by Eric Brown — 3,564 views

CompuLab’s Fitlet-RM is a rugged mini-PC that runs Linux Mint on an AMD A10 Micro-6700T, and offers -40 to 70°C operation, WiFi, and up to four GbE ports.

Enclosed in an all-metal, 108 x 83 x 24mm housing, the fanless Fitlet-RM mini-PC “provides excellent durability at extreme temperatures and conditions of shock, vibration and dust,” says CompuLab. The computer is available in two versions. There’s a Fitlet-RM-iA10 version with two Gigabit Ethernet ports, six USB ports, WiFi-ac, and Bluetooth, as well as a Fitlet-RM-XA10-LAN that offers four GbE ports, five USB ports, and WiFi-n only.

(click images to enlarge)

Like last year’s very similar Fitlet-H, the computer runs Windows or Linux Mint on a quad-core AMD A10 Micro-6700T processor. The A10 Micro-6700T uses AMD’s Puma+ architecture, the successor to the Jaguar (Kabini and Temash) architecture.

(click images to enlarge)

Whereas the AMD SoCs on the earlier models started at 1GHz with a boost mode of 1.4GHz or 1.6GHz, the A10 Micro-6700T starts at 1.2GHz and boosts to 2.2GHz. Even with the available AMD Radeon R6 Graphics, the processor still manages to maintain a low 4.5W TDP, leading here to a range of 3.5W to 10.5W. CompuLab cites a recent AnandTech review of the quad-GbE Fitlet-RM-XA10-LAN version that says the computer “manages to surpass all equivalent [Intel Atom] Bay Trail and Braswell systems in almost all benchmarks.”

The 0.22-liter housing is smaller than that of the Fitlet-H, which has many of the same features and more, as well as twice the RM models’ 8GB of RAM. Unlike the Fitlet-H, there’s no SATA storage, but there’s a microSD slot and mSATA slot for SSDs, and on the Fitlet-RM-iA10, there’s also eSATAp.

Block diagrams showing features of, and differences between, -i (left) and -X models
(click images to enlarge)

Like the Fitlet-H, there are two HDMI ports, two USB 3.0 ports, and varying numbers of USB 2.0 and GbE ports, depending on model. Both analog and S/PDIF 7.1+2 audio is available, along with a serial port and interfaces including UART and GPIO.

Both Fitlet-RM models have a mini-PCIe slot with USB2.0 and PCIe 2.0, accompanied by a micro-SIM slot for supporting optional cellular radios. Signals from this slot are used for interfacing with Compulab’s FACET (formerly FACE) daughter-card add-ons in the LAN version. As usual with CompuLab, there are numerous options and customizations available. An SBC only version is also said to be available.

Fitlet-RM-iA10 SBC version
(click image to enlarge)

The Fitlet-RM has a wide-range 10 to 15V DC input, and its enclosure is all metal “with interlocking parts for structural strength,” says CompuLab. The fanless, passively cooled comes in a variety of temperature ranges up to industrial-40 to 700C. The “ventless design and no internal airflow make Fitlet-RM an extremely reliable computer in dusty, corrosive or humid environments,” says CompuLab.

Fitlet-RM under a truck tire (left) and coming out the other side unscathed
(click image to enlarge)

CompuLab lists the following Fitlet-RM specs:
  • Processor — AMD A10 Micro-6700T — (4x quad-core, 64-bit “SteppeEagle” cores @ up to 1.2GHz or 2.2GHz boost; 4.5W TDP; includes AMD Radeon HD 8210 graphics (Radeon R6)
  • Memory — Up to 8GB DDR3L-1333 SDRAM via 1x SODIMM
  • Storage:
    • mSATA 3.0 for up to 1TB (6Gbps)
    • eSATA (SATA 3.0) powered & USB combo (Fitlet-RM-iA10 only)
    • microSD slot
  • Display — 2x HDMI 1.4a, 1920 x 1200 @ 60Hz with audio; dual display support
  • Wireless:
    • Fitlet-RM-iA10 — 802.11ac (2.4/5GHz; Bluetooth 4.0; micro-SIM slot
    • Fitlet-RM-XA10-LAN — 802.11n; micro-SIM slot
  • Networking — 2x (Fitlet-RM-iA10) or 4x (Fitlet-RM-XA10-LAN) Gigabit Ethernet ports; WOL and PXE boot on all ports
  • Other I/O:
    • 2x USB 3.0 ports
    • 4x (Fitlet-RM-iA10) or 3x (Fitlet-RM-XA10-LAN) USB 2.0 ports
    • S/PDIF 7.1+2 channels in/out via 3.5mm jack (Realtek ALC886 audio)
    • Stereo line in/out via 3.5mm jack (Realtek ALC886 audio)
    • RS232 port (mini serial connector)
    • UART (3.3V), SMBus, 8x GPIOs
  • Expansion:
    • Half-size mini-PCIe (Fitlet-RM-iA10 only)
    • Full-size mini-PCIe with mSATA
    • FACET expansion interface (Fitlet-RM-XA10-LAN only)
    • Custom connectivity — 3x PCIe lanes, adapter half-to-full size required (Fitlet-RM-XA10-LAN only)
  • Other features — Aluminum and zinc case; watchdog; remote power button; optional VESA and DIN-rail mounting
  • Operating temperature (three ranges available, all with SSD):
    • Commercial — 0 to 70°C
    • Extended — -20 to 70°C
    • Industrial — -40 to 70°C
  • Power:
    • 10 to 15V DC input
    • 4.5W to 10.5 W consumption
  • Weight — 220 g
  • Dimensions – 10.8 x 8.3 x 2.4cm
  • Operating systems — Linux Mint 17.2 Cinnamon (64-bit) and other 32- and 64-bit Linux; Windows 7/8/10 32- and 64-bit

Further information

The Fitlet-RM-iA10 Barebone is available for $311, and the Fitlet-RM-XA10 LAN Barebone is available for $327. More information may be found on the CompuLabs Fitlet-RM announcement, as well as the Fitlet-RM shopping page.

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One response to “Tough Mini-PC with up to four GbE ports runs Linux Mint on AMD SoC”

  1. R. E. Hunter says:

    The 4 GbE ports would make this a perfect IPFire firewall computer, although the processor, memory and GPU specs would be overkill for most small networks.

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