3U VPX GPU board with on-board FPGA

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By Nick Flaherty

French board maker Interface Concept has launched a 3U VPX board that combines a AMD Radeon E9171 graphics processor with a Xilinx UltraScale FPGA

As a result the IC-GRA-VPX3a is not only a multi-display graphics card for aerospace applications but also a Computing Card (GPGPU) and a Frame Grabber. Both the Radeon GPU and FPGA are now available from one supplier after the acquisition of Xilinx by AMD.

The VPX P1 connector supports x8 PCI Express 3.0 lanes to and from the GPU with x4 lanes to and from the FPGA. The AMD embedded Radeon E9171 GPU has eight Compute Units and 4GB on-chip 128bit wide 1GHz GDDR5 memory giving a total performance of 1.2 TFLOPS.

The VPX P2 connector provides two DisplayPort++ interfaces for dual mode operation, using DisplayPort 1.4 with two 4096 x 2160 px @ 60 Hz refresh rate or one 5120 x 2880 px @ 60 Hz display, both using a dual or single-cable configuration. These can be used with DisplayPort++ to HDMI (or DVI) adapters (active or passive) to allow connection with HDMI or DVI displays, supporting HDMI 2.0b at 6 Gbit/s and two 4096 x 2160, 60 Hz displays, a dual-link DVI interface or one 2560 × 1600 px @ 60 Hz refresh rate. A single-link DVI link with up to three 1920 × 1200 @ 60 Hz displays is also supported.

There are 24 differential or 48 loosely coupled single-ended signals to the customisable FMC mezzanine module that is mechanically and electrically compatible with the VITA57.1 standard. The P2 connector allows four multi-gigabit lanes + four multi-gigabits Tx signals from the FPGA, with 22 differential or 44 loosely-coupled single-ended from and to the FPGA at 3.3V, or 34 differential or 48 loosely-coupled single-ended lines at 1.8V.

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