The donor system arrived today. It is beautiful! That is the original Sun box, Sun packaging, Sun manuals.
Here is the final build!
Introducing the Ultra EPYC AMD Powered Sun Ultra 24 Workstation
Sun Ultra 24 Drive Caddy P/N 330-2238 540-3024 - I ordered four.
I have a weird problem. I purchased 4x used identical Sun QDR X4242A Infiniband cards (Mellanox MHQH29B rebrands) for my 4 node supermicro 6027TR-HTR (X9DRT-HF) server. 3/4 cause boot to hang at post code 91, which is when the PCI stuff is loaded. The fourth one seems to let the node boot...