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Fanless box-PCs run Linux on Intel Haswell and Avoton

Jun 11, 2015 — by Eric Brown — 4,016 views

Logic Supply unveiled three fanless industrial PCs, including two using Intel 4th Gen Core processors and one with a quad- or octa-core Atom “Avoton” SoC.

Logic Supply’s Linux-ready ML600 Series computers represent the next generation in the company’s ML series after last year’s ML400 Series. The systems are available pre-loaded with Ubuntu 14.04 LTS 64-bit, but are likely to be compatible with most current Linux distributions.

ML600 front and angled views
(click images to enlarge)

The three new computers have the same signature orange coloring of the ML400, but have a rounded shape with ribbed heatsink top that is similar to that of the much smaller, Intel NUC-based ML100 Series mini-PCs.


The new triplets are larger than the ML400 models, but with an identical, 290 x 187 x 79mm footprint. The systems are touted for being quiet and optimized for passive heat distribution, without the need for a cooling fan. They support temperatures of 0 to 50°C. The steel and aluminum enclosures have three antenna holes, rubber feet, and VESA, wall, and DIN mounting.

The ML600G-30 and ML600G-50 both support Intel’s 4th Generation “Haswell” Core processors, and are similar enough that we’ve concocted a joint spec table below. The ML600G-10 is the oddball of the trio, as it’s aimed at mini-server applications, has limited I/O, and runs Intel’s server-oriented Avoton Atom SoCs, which use the same 22nm Silvermont architecture as the Intel Atom e3800 family.


The ML600G-10 supports either the quad-core, 2.4GHz C2550 or octa-core C2750 Avoton Atom, which have 9W and 20W TDPs, respectively. Since these are designed for servers, there’s no advanced Intel HD graphics onboard. Instead, Logic Supply provides a 400MHz, ARM9 ASpeed AST2300 “Server Management” chip that delivers PCIe-based 2D VGA graphics.

The ML600G-10 can be loaded with up to 32GB of 1600MHz ECC RAM. It includes dual 2.5-inch hot-swap storage bays, as well as a third standard 2.5-inch bay. RAID support is provided via a Marvell SE9230 storage controller chip.

The mini-server is further equipped with dual Gigabit Ethernet ports, as well as a dedicated IPMI LAN port for remote management. I/O includes RS-232 and VGA ports and four USB 2.0 ports, one of them internal.

ML600G-30 and ML600G-50

The ML600G-30 and ML600G-50 both support a variety of 4th Gen Haswell Celeron, Pentium, and Core processors up to the quad-core i7-4770TE. The ML600G-30 is said to support security and surveillance, industrial control, and automation applications.

The systems support up to 16GB of DDR RAM, and provide dual 2.5-inch SATA bays, one of them with hot swap capability. The ML600G-50 also adds mSATA and an optional flash disk.

Both the systems provide DisplayPort and HDMI ports, and the ML600G-50 adds DVI-I. Dual gigabit Ethernet ports, one with iAMT support, are provided along with four USB 3.0 ports and either four or two USB 2.0 ports depending on whether you get the ML600G-30 or ML600G-50. Logic Supply lists 10 USB ports for the ML600G-30, so there are probably two more USBs inside.

Both systems provide dual RS-232 ports, and the ML600G-50 adds an optional third dual hot-swap RS-232 connection, as well as three RS-232/422/485 ports. Audio jacks are also availability.

Expandability differs slightly. They both offer a full-length mini-PCIe slot, and the ML600G-30 also provides a half-length mini-PCIe slot. In addition, the ML600G-30 offers a PCIe x4 slot while the ML600G-50 instead provides a PCIe x16 interface.

While the ML600G-50 has a 12V power supply, the ML600G-30 provides a wide-range 12 to 19V supply. Both systems are touted for their Flex Bay, which allows for easy integration of specialized third party I/O and additional wireless functionality.

Specifications listed for the ML600G-30 and ML600G-50 include:

  • Processor — 4th Gen Intel Haswell:
    • Celeron G1820TE (2x Haswell cores @ 2.2GHz); 35W TDP; Intel HD Graphics
    • Pentium G3320TE (2x Haswell cores @ 2.3GHz); 35W TDP; Intel HD Graphics
    • Core i3-4330TE (2x Haswell cores @ 2.4GHz); 35W TDP; Intel HD Graphics 4600
    • Core i5-4570TE (2x Haswell cores @ 2.7GHz); 35W TDP; Intel HD Graphics 4600
    • Core i7-4770TE (4x Haswell cores @ 2.3GHz); 45W TDP; Intel HD Graphics 4600
  • Memory — up to 16GB DDR3-1600 RAM
  • Storage:
    • 2x 2.5-inch HDD/SDD bays (1x with hot swap)
    • mSATA port (ML600G-50 only)
    • SATA flash module (ML600G-50 only)
  • Display:
    • HDMI port
    • DisplayPort
    • DVI-I port (ML600G-50 only)
  • Networking — 2x gigabit Ethernet ports (1x with iAMT)
  • Other I/O:
    • 4x USB 3.0 ports
    • 2x USB 2.0 ports
    • 2x additional USB 2.0 ports (ML600G-30 only)
    • 3x RS-232/422/485 COM ports (ML600G-50 only)
    • 2x RS-232 ports
    • 1x RS-232 optional dual hot-swap COM port (ML600G-50 only)
    • 2x Audio line-out, mic-in jacks (ALC662 codec)
  • Expansion:
    • ML600G-50 — PCIe x16; mini-PCIe (full-length)
    • ML600G-30 — PCIe x4; mini-PCIe (full-length); mini-PCIe half-length
  • Other features — 3x antenna holes; VESA, wall, and DIN mount
  • Power — 12VDC (ML600G-50) or 12 to 19VDC (ML600G-30); DC jack
  • Operating temperature — 0 to 50°C
  • Dimensions — 290 x 187 x 79mm
  • Operating system — available pre-loaded with Ubuntu 14.04 LTS 64-bit

“While there are other systems on the market that may offer a certain number of COM ports, or i7 processing, or fanless cooling, or a ventless chassis, there was nothing available that combined all of these features into one system,” stated Logic Supply Product Manager Logan Cooke.

Further information

The Logic Supply ML600 Series will start shipping in July, starting at around $750, says Logic Supply. More information may be found in Logic Supply’s ML-600 announcement, as well as its currently sparsely populated ML600 product page.

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