Suggestions or Help with PS5 UART error 80871001

Need suggestions or help with resolving PS5 issue of blue light, beeps once and does nothing else. I purchased the motherboard and matching optical drive daughterboard PCB from eBay (including snapshot of item description from seller) for parts not working. Seller was very communicative. I was able to obtain UART connection from Console Service Tool and UART-CL which both show same and only error 80871001 DDR4 Error - Power Failure or Short Circuit. I found a SSD PMIC voltage diagram by DylanBBK and the all my voltages match. I contacted a Facebook console mod business and they have not had one with this issue come through their shop before and informed me that next to the SSD controller should be a single DDR4 RAM chip that holds the SSD cache and should check the voltage which I am unsure of what the proper voltage(s) should be. I searched the forums for error code “80871001” which yielded no results. Has anyone else had experience with this issue? Any help or thoughts would be much appreciated. Hopefully I did OK for my first post. *I have a private video Youtube link that the Ebay seller provided showing their diagnostics on the board, but apparently I cannot add links and/or attach photos.

Summary

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Please forgive me for a basic mistake I forgot which is the motherboard version is EDM-033 for the PS5. Since I cannot include links or photos, I will share the description of the board from the seller. It explains it’s a genuine Playstation 5 EDM-033 sold for parts or not working. Board does not power on, but beeps once when powered pressed with no further activity or display output. No known short circuits on main power rails (main line not shorted) and nothing obvious under thermal imaging. No solder work has been performed on the board. Board was profesionally cleaned in mild detergent and deionized water solution. Again, the Ebay seller, montoyaindustries, shared a private video with me showing the above claims if it can assist. Apologies for lack of motherboard details and version.