2 ms·
Right, that is how Intel does it. On AMD systems the PSP (which is ARM core integrated on the same die with its own on-chip SRAM) starts by loading its firmware
by garaetjjte 5y ago
Right, that is how Intel does it. On AMD systems the PSP (which is ARM core integrated on the same die with its own on-chip SRAM) starts by loading its firmware from flash, initializes DRAM, does some other things, loads UEFI into main memory and only then releases x86 cores from reset.