The Sparcstation IPC that I owned since around 1995 died. It sat in a cupboard for 15 years, so it may have been dead for a long time already. Upon trying to power it on, it did absolutely nothing. I knew about early mini-ITX mods using the IPC/IPX case, like this one from 2002: https://www.mini-itx.com/projects/sparc/ , but nostalgia of being able to boot Linux/Sparc on this IPC kept me from doing my own mod. With the original hardware dead (probably just the PSU actually), this changed everything. A bit of research showed other Sparcstation mini-ITX mods, some with larger sparc4/5/10/20 cases (e.g. http://www.squit.co.uk/computers/edenstation5.html ), and one very interesting mod of an IPC: http://www.moria.de/~michael/comp/ipc/ . Michael used an industrial Commell LV-671 motherboard. Commell went through more than 30 variants of that board in the meantime, and has just released an updated Tiger Lake version: the LV-6712 carrying the Intel i7-1185G7E...
plenty of grains to pick