Intel®  CoreTM 2 Quad / CoreTM 2 Duo Desktop Mini-ITXexpress MB

Intel® CoreTM  2 Quad / CoreTM  2 Duo processor with Intel® Q35 Express chipset 
4.0 GB DDR2 , 2 x Gigabit Ethernet ports , 8 x USB 2.0 , 2 x COM , HD Audio ,  
8-bit digital I/O , 6 x SATAII with RAID , PCI-Express X16 & Mini-PCI socket . 

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Ordering Guide
Datasheet (PDF format)
Technical Document

Taiwan Commate Computer Inc.(COMMELL), the worldwide leader of Industrial Mini-ITX mainboard, introduced the Mini-ITX LV-678 that mainboard based on the Intel® Q35 Express Chipset, supports Intel® CoreTM 2 Quad processors or Intel® CoreTM 2 Duo processors up to 1333/1066/800 MHz system bus in the LGA775 package, and with support for next-generation 45nm Intel® CoreTM 2 processor family. The board delivers innovative capabilities and usages for digital home consumers and new levels of 3D and media performance while enbling lower power and quiter systems.

The LV-678 Mini-ITX mainboard features intel®`s low-power graphics core with Intel® GMA3100. The new core allows for reduced power and noise without sacrificing the performance business users need. It is ideal for business users seeking support for advanced operating systems like Windows Vista.


  Key Feature
  • CPU: Intel® CoreTM 2 Quad / CoreTM 2 Duo Desktop with LGA775 @ 800/1066/1333 MHz FSB.

  • Memory: 2 x 240-pin DDR2 667/800MHz up to 4.0GB. 

  • Chipset: Intel® Q35 Express chipset & ICH9DO

  • VGA Interface: built-in Intel® extreme GMA 3100  technology.

  • Serial ATA: 6 x Serial ATA II interface with 300MB/s transfer rate. Support RAID 

  • LAN Interface: 2 x Intel® 82573L Gigabit Ethernet Controller.

  • Audio: Realtek ALC888 High Definition Audio.

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

  •  Extended interface: 1 x PCI-Express X16 slot & 1 x Mini-PCI socket 

  •  I/O ports: PS/2 Key/Mouse , LAN , USB 2.0 , COM , VGA Audio , SPDIF




Form Factor

Mini-ITXexpress Motherboard (170 x 170 mm)


Intel®  CoreTM 2 Quad / CoreTM 2 Duo Desktop

LGA775  800/1066/1333 MHz FSB. 


2 x DDR2 667/800 MHz support up to 4.0 GB


Intel® Q35 Express Chipset & ICH9DO

Real Time Clock  

Chipset integrated RTC with onboard lithium battery  

Watchdog Timer

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

Power Management

ACPI 1.0 compliant, supports power saving mode ATX PSU 

VGA Interface

Intel® Q35 integrated GMA 3100 Technology 

Video Memory

Up to 384MB shared with system memory

Serial ATA Interface

6 x Serial ATA II Interface  with 300MB/s transfer rate Support RAID 0,1,5,10 function

Audio Interface

Intel® ICH9DO integrated with Realtek ALC888 HD Audio

LAN Interface

2 x Intel® 82573L Gigabit Ethernet Controller

GPIO Interface

Onboard programmable 8-bit digital I/O interface

Extend Interface 

1 x PCI-Express X16 slot & 1 x Min-PCI socket 

External I/O Port

2 x RJ45 LAN port , 1x DB15 VGA port , 1x PS/2 Keyboard / Mouse ports , 1x RS232 Serial port , 6 x USB 2.0 ports , 1 x SPDIF , HD Audio ports

    Internal I/O Port

    1 x slim FDD , 1 x IrDA , 2 x USB 2.0 , 1 x Audio , 1 x CDIN ,

    1 x RS232/422/485 

Power Requirement

Standard 24-pin ATX power supply and P4 4-pin 12V .            ( 20-pin is compatible)

    Board Dimension

    170mm x 170 mm (L x W)

Operation Temperature

 0 ~ 60oC (32 ~ 140oF)


Download Datasheet @ PDF format


  Ordering Guide


Onboard VGA, 2 x Intel Giga LAN, 8 x USB 2.0, PCI-Express X16,

Mini-PCI, FDD, HD Audio, 6 x SATA


Barebone system for LV-678 w/ 300W ATX P/S , 1 x PCIe riser card


Low Profile 1U Multi-Core CPU Cooler (LGA775)


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