I'm using a PicoGUS not quite as intended. I needed a sound card for a PC/104 board and realized that the pin ordering matched on the PicoGUS v1.2 and I could drop a header in place. Thanks @polpo for all your contributions to retro tech!
@CoD_Segfault thanks! It was a bit of a happy accident that the pin header is mostly PC/104 compatible. Here it is connected to an SBC of mine: