PlayStation 5 Prototype motherboard "EDM-AR10"

Title: PlayStation 5 Prototype motherboard "EDM-AR10"
Description: The following item is a prototype PlayStation 5 motherboard, this version which is EDM-AR10 wasn't released to the public.

EDM-AR10 appears to be the disk based motherboard, another such board named EDM-BR10 exists, which appears to be the diskless version.

Our board appears to be a reject, and was as such disposed off in e-waste, ours also lacks any chips.