3rd generation Intel® Core™ i7 / i5 / i3 3.5"SBC Motherboard

Support  3rd generation  Intel® Core i7 / i5 / i3 / Mobile CPU with 
Mobile Intel® QM77 Express, DDR3 up to 8GB, 1 x Giga LAN, 2 x USB 2.0, 
4 x USB 3.0 , 2 x COM, 2 x SATA, HD Audio,Mini-PCIe socket, DC 9 ~ 24V input

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Ordering Guide
Datasheet(PDF format)
Technical Document

Taiwan Commate Computer Inc.(COMMELL), the worldwide leader of Industrial 3.5" Embedded mainboard,  3.5" Embedded mainboard LS-37B that designed for the 3rd  generation Intel Core i7/i5/i3 processors in the rPGA988B socket. The  3.5" Embedded mainboard based on intel QM77 Express chipset, QM77 Express chipset is part of the mobile Intel 7 Series Chipset family, along with a intel 3rd generation 22 nm Core i7/i5/i3, the Intel processors  with HD Graphic 4000 that contains a refresh of the seventh generation graphics core, DX11 Smoother rendering at higher resolutions for an improved 3D experience, OGL4.X  Improved realism for OGL 3D . based application and lower power consumption, this innovative two-chip solution provides Intel Intel Hyper-Threading technology which giving you smart multitasking performance to move between applications quickly. This platform delivers higher performance, energy efficiency, most secure and manageable, It is ideal for a various range of applications, such as industrial control and automation, gaming, Medical Instruments, Surveillance Server, Military systems, print imaging and digital signage etc.

Onboard Intel® 82579LM GbE controller support Intel® AMT 8.0 feature on primary LAN port. The BIOS is ready to support Intel® AMT 8.0 feature. The necessary prerequisite is your CPU must support Intel® vPro technology, ex. i7-3610QE

For further instruction about the Intel® AMT features and set up, please refer to the iAMT Setting.pdf



  Key Feature
  • CPUIntel® 3rd generation Core™ i7/ i5/ i3/ Mobile in the rPGA988B socket

  • MemoryOne DDR3 1006/1333/1600 MHz up to 8 GB

  • Chipset: Mobile Intel® QM77 Express chipset

  • Integrated GraphicsIntel® Core™ integrated HD Graphics 4000 Technology

  • VGA InterfaceOnboard DSUB15 connector for VGA interface

  • LVDS interface: onboard 24-bit dual channel LVDS interface

  • DVI interface: onboard DVI interface

  • LAN Interface: 1 x Intel® 82579LM Giga LAN(Support iAMT8.0).

  • Serial ATA: Support 2 x serial ATAIII

  • Audio: Realtek ALC888 High Definition Audio.

  • I/O ports: 1 x RS232 and 1 x RS232/422/485 Serial Ports, 2 x USB2.0 ports,                

          4 x USB3.0 ports, 1 x DB15 VGA port, 1 x PS/2 keyboard and mouse ports.

  • Extended interface: 2 x Mini-PCIe sockets,  1 x SIM socket .

  • GPIO interface: Onboard programmable 8-bit Digital I/O interface.

  • Power requirement : DC 9 ~ 24V input



Form Factor

3.5" Single Board Computer


3rd generation Intel® Core i7 / i5 / i3 Mobile processor

Package Type: rPGA988B


1 x DDR3 1066/1333/1600 SO-DIMM up to 8 GB

Non-ECC, unbuffered memory supported only


Mobile Intel® QM77 Express chipset

Integrated Graphics

Intel® Core™ integrated HD Graphics 4000 Technology  

Real Time Clock  

Chipset integrated RTC with onboard lithium battery  

Watchdog Timer

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

Power Management

ACPI 3.0 compliant

Serial ATA Interface

2 x SATAlll interface up to 600MB/s. 

VGA Interface

Onboard DSUB15 connector for VGA interface.

LVDS Interface

Onboard 24-bit dual channel LVDS interface

 DVI Interface  Onboard 20-pin DVI interface 

Audio Interface

Realtek ALC888 HD Audio

LAN Interface

1 x Intel® 82579LM Gigabit Ethernet Controller(Support iAMT8.0).

GPIO Interface

Onboard programmable 8-bit digital I/O interface

Extended Interface 

2 x Mini-PCIe sockets,  1 x SIM socket.

Internal I/O Port

1 x RS232/422/485, 1 x GPIO, 1 x CDIN, 1 x SMBus, 

1 x Front panel Audio, 1 x IrDA, 2 x USB2.0 , 2 x USB3.0 ports,

2 x Serial ATAIII,1 x CDIN,1 x SIM socket

External I/O Port

1 x PS/2 keyboard/mouse, 1 x RJ45 LAN, 1 x VGA, 2 x USB3.0,

1 x RS232 Port 

Power Requirement

DC 9 ~ 24V input

Board Dimension

146 mm x 101 mm (L x W)


Operating within 0 ~ 60°C

Storage within -20 ~ 85°C


Download Datasheet @ PDF format


  Ordering Guide


Intel PGA988B+ QM77 Onboard VGA, LVDS, DVI, LAN, USB2.0, USB3.0, HD Audio, SATAIII, SMBUS, GPIO, PCI Express mini card.


Intel PGA988B+ QM77 Onboard VGA, LVDS, DVI, LAN, USB2.0, USB3.0, HD Audio, SATAIII, SMBUS, GPIO, PCI Express mini card, mSATA.


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