This tool used to be limited to the ArcaOS install media (syseval). You can now download it here:
https://www.arcanoae.com/wiki/arcaos/uefi-diagnostics/Its a UEFI tool tool so it does not run under ArcaOS, Windows or Linux, and you need to load as UEFI tool.
It seems pretty simple... (See website for instructions).
Roderick