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ITX-6M45 GM45 Penryn

ITX-6965 GME965 Core2 Duo

ITX-6900 915GME Pentium M

ITX-6815 Intel Pentium M

ITX-6810 Intel Pentium M


EMB-5940 Core2 Duo Mobile

EMB-5740 VIA C7-Eden

EMB-5842 Intel Pentium M


EMB-5930 Core2 Duo Mobile

EMB-5730 VIA C7 CX700M

EMB-5830 Intel Pentium M


EMB-3100 Intel eMenlow

EMB-3700 VIA C7 CX700M


Graphics / Video Extension

PCI Express based Extension

PCI-based Extension

Low Profile PCI/PCIe Slot

DC/ATX Power Converter

Accessory / Development Tool


Industrial Barebone Solution

Industrial 1U Mini-ITX Platform

Wallmount / Compact Mini-ITX

Compact 5.25" EMB Platform


Industrial Peripheral

DC/ATX Power Converter

AC/DC Power Supply Unit

Embedded CPU Cooler

Solid State Flash Disk (SSD)


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EMB-3640 Series

Discontinue Soon !!

Please check EMB-3700

as Replacement Solution

3.5" Drive-size Miniboard Platform
VIA Embedded Eden / CN400 Processor
VIA / S3 UniChrome PRO IGP Graphics
Built-in MPEG-2 and MPEG-4 Decoder 
Dual SATA-150 Ports with RAID 0/1
VGA, Audio, USB 2.0, Fast Ethernet Ports
Optional LVDS, HDTV, Video Capture
Single +12VDC Power Operating
Compact Size @ 146 x 101 mm (L x W)

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Liantec EMB-3640 is a 3.5 drive-size embedded single board computer based on VIA CN400 UniChromeTM PRO embedded multimedia platform with VIA Eden CPU and CN400 chipset built-in S3 UniChromeTM PRO IGP graphics core, up to 64MBytes of shared video memory, hardware MPEG-2 decoder and MPEG-4 acceleration, supports Slice Layer, IDCT and motion compensation for DVD player and video streaming application. The EMB-3640 also supports Serial ATA (SATA) ports with 150 MBps of data transfer bandwidth, bootable, hot-swappable and optional RAID 0/1 for advanced storage solution. With the features of compact board size, all-in-one integration and flexible expansibility with Liantec Tiny-AGP/PCI, the EMB-3640 will be the ideal solution for industrial embedded computing platform for the digital multimedia application.

Key Feature
  • Ultra compact 3.5 drive size with 146 x 101 mm of dimension.

  • Embedded VIA Eden 733, 800 MHz low power CPU, fan free operating.

  • VIA CN400 UniChromeTM PRO chipset built-in S3 UniChromeTM PRO IGP VGA core with on-die hardware MPEG-2 decoder and MPEG-4 acceleration.

  • Optional extended display module support dual 18-/24-bit LVDS, SDTV, HDTV, four channel video capture and TMDS DVI interfaces.

  • Flexible expansibility with Liantec Tiny-AGP/PCI interface supports jumper selectable 4x/8xAGP VGA and PCI-based interface embedded modules.

  • Onboard SATA, Fast Ethernet, USB 2.0 ports and single +12V operating.


Form Factor
3.5" Drive-size form factor at 146 x 101 mm
Onboard VIA Eden 733 MHz CPU @ 133 MHz FSB
Optional VIA Eden 800 MHz (fanless operating) and 1 GHz CPU
(with onboard CPU fan for OEM project
One 200pin SO-DIMM socket supports 1GB DDR SDRAM
VIA CN400 and VT8237(R) chipset
Watchdog Timer
Programmable system reset watchdog timer
Power Management
ACPI 1.0 compliant, supports power saving mode with ATX PSU
Real Time Clock
VIA VT8237 chipset built-in RTC with onboard lithium battery
Expansive Interface
Liantec Tiny-bus with 8xAGP / PCI / VGA Expansibility
PCI Enhanced IDE
One 44-pin UltraATA133 IDE port
with +5V power output for power cable free DOM flash disk
Serial-ATA (SATA)
VIA VT8237 chipset built-in Serial ATA (SATA) controller
Dual bootable SATA ports, optional RAID level 0 or 1
VGA Interface
VIA CN400 chipset built-in S3 UniChromeTM PRO IGP graphic core
with hardware MPEG-2 decoder and MPEG-4 acceleration
BIOS selectable 16/32/64 MBytes shared video memory
External DB15 female connector
LVDS Interface
(with MAP1360L)
VIA CN400 chipset built-in S3 UniChromeTM PRO IGP graphic core
MAP-1360L module with VIA VT1361L LVDS transmitter
Supports single / dual channel 18-/24-bit LVDS TFT LCD
Resolution up to 1600 x 1200
Onboard 20-pin Hirose DF13-20DP-1.25V connector
TV / HDTV Interface
(with MAP1360T)
VIA CN400 chipset built-in S3 UniChromeTM PRO IGP graphic core
MAP-1360T module with VIA VT1625 SDTV / HDTV decoder
Supports SDTV and 480p / 480i / 720p / 1080i HDTV mode 
External AC and S-Video TV-out connector for SDTV
External 3 RCA jack for Y/G, Pr, Pd of HDTV
Video Capture
(with MAP1360C)
VIA CN400 chipset built-in S3 UniChromeTM PRO IGP graphic core
MAP-1360C module with Philips SAA7114H controller
Supports four channel video input
External RCA jack, 4-pin Mini-DIN connector or onboard pin header
Audio Interface
VIA VT8237 chipset with onboard ALC655 AC'97 codec
External line-out, mic-in and internal line-in, CD-in interfaces
Ethernet Interface
Onboard 100Mbps Fast Ethernet interface
External RJ45 connector with LED on rear I/O panel
Hi-Speed USB 2.0
VIA VT8237 chipset built-in Hi-Speed USB 2.0 interface
with 480 Mbps of data transfer rate and bootable selection in BIOS
4 external USB 2.0 ports on rear I/O panel
Multi-I/O Port
One RS232 serial port with jumper selectable +5V/+12V power
SPP/EPP/ECP parallel port, 4 bootable Hi-Speed USB 2.0 ports
IrDA, PS/2 keyboard and mouse ports
External I/O Port
4 USB 2.0 ports
DB15 female VGA port
Line-out, mic-in audio port
RJ45 Ethernet with LED
DC-in power jack (+12VDC power input)
Power on button (ATX mode)
Solid State Flash Disk
DiskOnModule Flash Disk
IDE-based, bootable, driver free DiskOnModule flash disk
PIO mode 4 with 16.6 Mbps of data transfer rate
Flash memory capacity up to 1 GBytes (and beyond)
Power Requirement: Single 12VDC power with DC jack
Board Dimension: 146 x 101 mm (L x W)
Operation Temperature: 0 ~ 60oC (32 ~ 140oF)

Download datasheet @ PDF format


Ordering Guide
Model Name
3.5" Embedded VIA Eden CN400 Multimedia Miniboard
with Onboard VIA Eden 733 MHz CPU @ 133 MHz FSB
VGA, SATA, USB 2.0, Audio, Ethernet and Tiny-AGP/PCI Bus
3.5" Embedded VIA Eden CN400 Multimedia Miniboard
with Onboard VIA Eden 733 MHz CPU @ 133 MHz FSB
VGA, SATA, USB 2.0, Audio, Ethernet and MAP-1360LT Module
with LVDS, TV and HDTV Interface
3.5" Embedded VIA Eden CN400 Multimedia Miniboard
with Onboard VIA Eden 733 MHz CPU @ 133 MHz FSB
VGA, SATA, USB 2.0, Audio, Ethernet and MAP-1360LTC Module
with LVDS, TV, HDTV and Video Capture Interface
(HDTV and Video Capture Shared with Same RCA Connector)

Customized OEM configuration based on existing EMB-3640 with optional onboard interfaces, compatible Intel CPU, optional onboard interfaces and other integration service.


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