-601 = Windows 10 board, -001 = non-Windows (MSG transcription). CPU soldered; RAM is socketed SODIMM. Match the exact board PN/CPU. PartSurfer OrderFlag 0 (19R00US, 16W55US); only an aftermarket listing title names it outside the MSG pattern L78087-xxx. Configuration-specific: 2/8 checked SKUs. Match your product number or the original part number. OEM parts list only; not bench-tested.
Source notes
Saved HP PartSurfer product BOM(s) on box (partsurfer/cache_<SKU>.json, captured before this loop; no new HP fetch, HP OEM cool-down ON). Listed for 2 of 8 checked US product numbers (19R00US, 16W55US; product name "HP ProBook 450 G7 Notebook PC (6YY28AV)"). HP description: "SPS-MB UMA i7-10510U WIN". Keyword: Unknown Keyword. OrderFlag: 0. (via MM-LOOP-049).