| From: xerofoify via talk <talk@gtalug.org> | For reference yes thats correct Hugh. If you look through the Intel | Assembly Manual it probably mentions | it there . By "it", I understand you to mean "PCIe 3.0 support". That's a bit odd for an "Assembly Manual". Do you mean this manual? <https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-vol-1-manual.pdf> "Intel(TM) 64 and IA-32 ArchitecturesSoftware Developer's Manual" Volume 1 of 9. I don't see PCIe mentioned there. Nor would I expect it. There is mention of PCI in an example of using the MOVNTDQA instruction. | Through I don't think that Haswell has the SHA512 extension | in hardware. Not sure when that | was added but I believe it was in a later version. I don't see SHA-512 mentioned in that manual. I see 5.18 "INTEL(TM) SHA EXTENSIONS" but that does not cover SHA-512. Is this described elsewhere? Is this related to the PCIe version in some way?