https://www.systerra.de/HDSound.html
The HDSound module converts the Intel HD Audio bus into the standard PC analog interface signals Line-In, Line-Out, Microphone In and Headphone Out. Also a 2 W stereo speaker output is available...
FLEXIO: Flexible IO Solutions (Produkt)
https://www.systerra.de/FLEXIO.html
The FLEXIO product is a powerful FPGA module, enabling an easy and flexible integration of peripherals. The aim of the FLEXIO module is to connect simple interfaces such as analog / digital IO, PWM, SPI, I2C, etc without any special speed requirements...
Hersteller: MPL Kategorien: Add-ons, X86 kompatible Box PCs, Box PCs, FPGA Boards, PCIexpress, PCI, PCIe,...
DIME Datasheet (PDF)
https://www.systerra.de/downloads.php?dokument=6311
HDSound User Manual (PDF)
https://www.systerra.de/downloads.php?dokument=6308
SoundPAN User Manual (PDF)
https://www.systerra.de/downloads.php?dokument=6307