KTA75/FLEX embedded & longterm available Flex-ATX Motherboard
This product is not recommended for new designs.
Last time buy: 21.12.2018
Last time delivery: 03.06.2019
  • APU: FS1R2 uPGA
  • Chipset: AMD A75 Hudson-D3 FCH
  • DRAM: 2x UDIMM (up to 32GB in total)
  • Graphics AMD Radeon™ HD 7000G Series supporting
  • OpenGL/CL, Full DirectX® 11
  • Graph. Interfaces 3 x Display Ports
  • 1x PCIe x16 Gen 2.0
  • 1x PCIe x4
  • 4x USB 3.0 & 4x USB 2.0 in rear I/O, 4 USB internal
  • 2x Intel GB LAN
  • Rear I/0: VGA, 2x RJ45 (stacked), 4x USB 2.0, 4x USB 3.0,
  • 2x DP, Audio jack
  • Special Features TPM 1.2 on board, SATA supporting rev 1/2 & 3 (1.5/3.0 & 6.0Gbit/s), 1x mSATA shared with mPCIe, KTemb. Controller
  • Additional "add card" support for DP output
  • Dimensions 22,86 cm x 19,05 cm (9" x 7,5")
Download Datasheet

Kontron latest relese is the feature-packed yet highly cost-efficient embedded Flex-ATX motherboard KTA75/Flex based on the new AMD Embedded R-Series Accelerated Processing Unit (APU) and the AMD A75 controller hub. It is designed for graphics intensive and highly parallel embedded computing applications and provides outstanding, long-term stability and reliability due to its sophisticated board layout with long-term stable solid capacitors and a high-quality selection of components.

With its integrated discrete-class AMD Radeon™ HD 7000 Series Graphics it delivers leading edge 3D/HD graphics and accelerated processing capabilities together with the ability to drive up to four displays simultaneously, either as independent displays, or as a single large surface. This makes the long-term available Kontron KTA75M/Flex an ideal solution for applications requiring high graphics and/or parallel computing performance in markets such as industrial automation, POS/POI, digital signage and gaming.
Developers can furthermore utilize the up to 563 GFLOPs provided by the integrated GPU to accelerate both graphics- and compute-intensive applications while using industry-standard libraries such as OpenCL™, DirectX® 11 and DirectCompute, which help to minimize development times and simplify design-in processes.

The feature-packed embedded motherboard provides OEMs and developers everything they need for their individual applications directly off the shelf: It not only supports a massive amount of serial I/Os such as USB 3.0 and PCIe but also remains backwards compatible by providing standard PCI interfaces as well RS232 pin rows. Additional flexibility is provided by the embedded feature connector, which features 160 GPIOs, eliminating the need for individual I/O boards and thus reducing the bill of material and development time.

For enhanced security, the Kontron KTA75/Flex integrates a Secure Asset Management Unit and a Trusted Platform Module 1.2, allowing for hardware-assisted encryption/decryption of content, enabling less CPU overhead and lower power when dealing with protected content.

The features in detail:

The Kontron embedded Flex-ATX motherboard KTA75/Flex offers a maximum of 32 GB RAM. It is available with dual-core and quad-core AMD Embedded R-Series APUs up to the R-464L (2.3 GHz, 3.2 GHz in turbo mode) delivering an optimized balance between performance and power consumption. Connections for video include 2x DisplayPort (DP) and 1x VGA. Additional displays can be connected either via DP “daisy chain” or with an optional DP add-on card. In terms of expansion cards it features 1x Gen 2.0 PCI Express x16 PEG port and 1x Gen 2.0 PCI Express x4 slot, 4x USB 3.0, 10x USB 2.0, and 2x GbE-LAN allowing for extensive peripheral and networking options. A wide range of storage media can be connected via the five SATA600 interfaces with RAID 0/1 functionality and one mSATA (mini-SATA) socket for state-of-the-art, on-board SSD.

Operating system support is provided for Windows 7, Windows Vista, Windows XP, Windows Embedded Standard 7, VxWorks, as well as Linux (Red Hat Enterprise, Novell SuSE Linux Enterprise, Red Flag Linux and Wind River Linux, among others). First samples of the new Kontron embedded Flex-ATX motherboard KTA75/Flex are available now and series production will start in Q4.


Form Factor Flex-ATX
Dimensions (H x W x D) 9" x 7,5"

22,86 cm x 19,05 cm
CPU R-464L Quad Core, FS1r2 35W RE464LDEC44HJE R-464L Quad Core 2.3/3.2 GHz

R-460H Quad Core, FS1r2 35W RE460HDEC44HJE R-460H Quad Core 1.9/2.8 GHz

R-272F Dual Core, FS1r2 35W RE272FDEC23HJE R-272F Dual Core 2.7/3.2 GHz

R-268D Dual Core, FS1r2 35W RE268DDEC23HJE R-268D Dual Core 2.5/3.0 GHz
Chipset AMD A75 Hudson-D3 FCH
Main Memory Up to 16GB DDR3 UDIMM (max 2x 8GB)
Front Side Bus PCIe
Graphics Controller AMD Radeon™ HD 7000G Series

supporting OpenGL/CL, Full DirectX® 11
Graphics 3x Display port version 1.2

1x DisplayPort Optionally Add-On card

1x LVDS Optionally Add-On card (TBD)

1x VGA
Ethernet Controller Intel® Pearsonville xGB PCI Express Ethernet controller

Ethernet 2x 10/100/1000Mbits/s
Hard Disk 6x SATA (150/300 & 600)

1x mSATA shared with mPCIe
Parallel Port n/a
Flash Onboard
PCI 2x PCI 32bit/33MHz
PCI Express / PCI support 1x PCe x16
1x PCIe x4 Slot (in x16 slot)
Mini-PCI 1x mPCIe Slot
1x mPCIe/mSATA (mechanically shared between mSATA and mPCIe)

(4x USB2.0 & 4x USB2.0/USB3.0 on Rear I/O)
IEEE 1394 Firewire
Serial 2x RS232
Rear I/O 2x RJ45 (stacked)

4x USB 2.0, 4x USB 3.0

3x DP

Audio Controller VIA VT1708S

7.1 Channel HD Audio
3x Audiojacks stack (in REAR-IO area)
Keyboard PS2 Mouse/Keyboard connector
Special Features 152 GPIO max. expansion

15 Multiplexed (GPIO, DAC, ADC, PWM & TIMER)


TPM 1.2

Exchangeable 3.0V Lithium battery for on-board Real Time Clock and CMOS RAM

KT embedded Controller
Power Management ATX PSU
Operation Temperature 0°C – 60°C
Operating System Win 7 (32 and 64bit), Win 8 (32 and 64bit), WinXP (32 bit), WES7
Compliance EN 61000-4-2:2000 ESD Immunity

EN55022:1998 class B Generic Emission Standard

EN 60950-1: 2006/ A11:2009/ A1:2010/A12:2011

IEC 60950-1(ed.2)

CSA C22.2 No. 60950-1




Datasheet KTA75/FLEX
Datasheet KTA75/FLEX
[ datasheet_kta75-flex.pdf, 1.33 mb, Aug 31, 2017 ]


KTA75/Flex Users Guide
Rev. D September 13, 2017
[ kta75-flex_user-guide_-rev-d_2017-09-13.pdf, 2.98 mb, Oct 5, 2017 ]


Kontron Services Brochure
[ kontron-services-brochure.pdf, 0.37 mb, Nov 19, 2015 ]

More Downloads

All other downloads such as drivers, bios, drawings etc. are available on Kontron’s Customer Section


KTA75/FLEX KTA75/FLEX embedded & longterm available Flex-ATX Motherboard more
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DDR3-1600 DIMM 2GB
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DDR3-1066 DIMM 4GB
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Accessory kit for KTA70M, KTA75
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COM port Cable, 100mm
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COM port Cable, 200mm
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SATA Cable 500mm
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Front Panel Open-End Cable
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Audio Open-End Cable
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Power Out Cable
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DP to VGA Adapter
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DP to DVI Adapter
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DVI-CRT Adapter
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Cable COM2 100mm Bracket
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USB Bracket
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LVDS Connector for cable
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