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[OFFER] Intel CPU Microcode Archives - Special Topics / CPU Microcodes - Win-Raid Forum (level1techs.com)
CPUMicrocodes/Intel at master · platomav/CPUMicrocodes · GitHub
MC Extractor: Intel, AMD, VIA & Freescale Microcode Extraction Tool Discussion - Special Topics / CPU Microcodes - Win-Raid Forum (level1techs.com)
[GUIDE] AMI INTEL CPU Microcode Update Guide - Special Topics / CPU Microcodes - Win-Raid Forum (level1techs.com)
Even after the insertition doesn’t mean that the board will support it or boot.
Backups should be made and its an HP board… good luck with it.
EDIT: No specific guide… read and learn.