Fanless 3.5" Embedded Miniboard for Intel® Atom solution

3.5" Mainboard with Intel® Atom N270 processor, DDR2 up to 2.0 GB, 
Giga LAN, CRT, HDTV, LVDS and DVI, SATA, Audio, 2 x COM 
CompactFlash socket, Mini-PCI, 4 x USB 2.0, DC 9V ~ 24V input 

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Product Image
Ordering Guide
Datasheet (PDF format)
Technical Document


Taiwan Commate Computer Inc.(COMMELL), the worldwide leader of Industrial SBC, introduced the 3.5" SBC - LE-374 that mainboard incorporates with Intel Atom processor Validated with Intel 945GSE Express chipset, which gives devices based on it enhanced graphics and power-saving capabilities.

The LE-374 is fanless and comes to meet the requirements of an ultra-low power platform,    Especially in power input design, LE-374 support full range DC 9V ~ 24V inputs, and it also supports for numerous display, includes VGA, DVI, LVDS and HDTV.

COMMELL LE-374 3.5" miniboard supports SO-DIMM memory slots for DDR2 SDRAM and up to 2GB, and comes with PS/2 Keyboard and Mouse, 1 x RS232C & 1 x RS232/422/485,  Networking is provided by Intel 82574L Giga LAN, 4 x USB2.0 ports, It offers Realtek ALC655 5.1 ch audio, 2 x SATA interface, Expansion with one Mini-PCI for wireless LAN, Video Capture, IEEE 1394, COM ports or GPS Mini-PCI add-on card.


  Key Feature
  • CPU: Intel® Atom N270 ( 1.6 GHz ) processor @ 533 MHz FSB

  • Memory200-pin DDR2 400/533 SO-DIMM, maximum up to 2.0 GB. 

  • Chipset: Intel® 945GSE and ICH7M.

  • VGA Interface: built-in Intel® extreme GMA 950 Technology.

  • LVDS interface: Onboard 18-bit Dual channel LVDS connector.

  • DVI interface: Onboard DVI interface

  • Serial ATA: 2 x Serial ATA interface with 150 MB/s transfer rate.

  • LAN Interface: 1 x Intel® 82574L Gigabit Ethernet .

  • Audio: Realtek ALC655 5.1 ch Audio.

  • GPIO interfaceOnboard 8-bit Digital I/O interface.

  • Extended interface: 1 x Mini-PCI socket.

  • External I/O ports: 1 x LAN , PS/2 Keyboard/Mouse , 2 x USB , VGA , COM.




Form Factor

3.5" Miniboard (146 x 101 mm)


Intel® Atom N270 (1.6 GHz ) @ 533 MHz FSB


1 x DDR2 SO DIMM support 400/533 MHz up to 2.0 GB


Intel® 945GSE & ICH7M 

Real Time Clock  

Chipset integrated RTC with onboard lithium battery  

Watchdog Timer

Generates a system reset internal timer for 1sec/min ~ 255 sec/min

Power Management

ACPI 1.0 compliant, supports power saving mode  

VGA Interface

Intel® 945GSE integrated GMA 950 Technology 

    LVDS Interface     18-bit dual channel LVDS interface
    DVI Interface     Onboard DVI Transmitter for DVI interface

Serial ATA Interface

2 x Serial ATA II Interface with 150 MB/s transfer rate.

    PCI Enhanced IDE     1 x Ultra ATA/33 IDE channel up to 2 ATAPI devices
    Solid State Disk       IDE supports 44-pin DiskOnModule +5V power supply

CompactFlash Type-II .

Audio Interface

Realtek ALC655 5.1ch Audio

LAN Interface

1 x Intel® 82574L Gigabit Ethernet 

GPIO Interface

Onboard programmable 8-bit digital I/O interface

Extend Interface 

Min-PCI socket

External I/O Port

1 x RJ45 LAN , 1 x  PS/2 Keyboard / Mouse , 2 x USB ,     1 x VGA , 1 x COM

    Internal I/O Port

    1 x RS232/422/485, 1 x IrDA , 2 x USB 2.0, 

    1 x 8-bit GPIO, 1 x Audio, 1 x CDIN, LVDS and LCD inverter 

    connector, 1 x HDTV

Power Requirement

Full range DC 9V ~ 24V input (8 ~ 30V is operative)

    Board Dimension     146mm x 101mm (L x W)

Operation Temperature

 0 ~ 60ºC (32 ~ 140ºF)


Download Datasheet @ PDF format


  Ordering Guide


Intel® Atom 3.5" Miniboard with onboard VGA, LVDS, DVI, HDTV,

LAN, SATA, USB 2.0 ports Audio, RS232/422/485, audio, Min-PCI,

CompactFlash socket


The same as LE-374, but with 24-bit LVDS & without DVI


Fanless Barebone system for LE-374X series SBC w/ 12V/80W adapter


AC-DC Adapter With 12V, 80W DC Jack Output


18-bit LVDS to TTL module


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