Firmwares 0.4.00.6.1 came out in a flurry in the time since the last video. There's more GUS compatibility but also new CMS and Tandy 3voice emulation! Let's take it for a spin.

Testbench V1 models are here: https://www.thingiverse.com/thing:521...
Tech Ambrosia says V2 of the testbenches will be available soon! The ATX testbenches I have are a beta of the V2 design.

PicoGUS is open source: https://github.com/polpo/picogus

Captured on a Pentium 120MHz w/ MGA Millennium graphics adapter, 64MB EDO DRAM, and a PicoGUS 1.1 with firmware v0.6.1. VGA capture device: Extron RGBHDMI 300 A