Storied Windows dev reminisces about Microsoft's first hardware product 45 years ago — the Z-80 SoftCard was an Apple II add-in card

https://www.tomshardware.com/software/storied-windows-dev-reminisces-about-microsofts-first-hardware-product-45-years-ago-the-z-80-softcard-was-an-apple-ii-add-in-card