Bingo. Basically ARM SystemReady SR or gtfo. In practice that means Ampere Altra CPU. There was a uatx board released recently that seems viable, if bit pricy.

Bingo. Basically ARM SystemReady SR or gtfo. In practice that means Ampere Altra CPU. There was a uatx board released recently that seems viable, if bit pricy. https://www.servethehome.com/asrock-rack-altrad8ud-1l2t-review-this-is-the-ampere-arm-motherboard-you-want/ https://www.servethehome.com/asrock-rack-altrad8ud-1l2t-revi... https://www.arm.com/architecture/system-architectures/systemready-certification-program/sr https://www.arm.com/architecture/system-architectures/system...