tyan tomcat sx s8026

I bought one of these on eBay a few weeks ago and haven't had time to deal with it, now it seems all the documentation and firmware has been taken down. Does anyone have this stuff? I would like to enable Rome support. Running a random BIOS off the internet feels sketchy, but it's that's what I...

Googled, but no luck... Seems like Supermicro H11DSi-series is the only motherboard for Dual EPYC configuration... The other choice is Gigabyte MZ31-AR0 or Tyan Tomcat SX S8026, but it has only a single EPYC socket... I like my Supermicro H11DSi-NT, but it has no Hard Disk Drive activity LED...