03-11-2021, 02:35 AM
Hey Danno,
I'm sorry to hear that none of the batteries you tried helped. We are trying to get some more B&W units to test on. We currently have 2. They behave differently than each other. The batteries help on one of them. On the other, nothing seems to help.
The B&W model seems to rely more heavily on electrolytic capacitors than the color models do. My theory is that these are known to dry up over time, and maybe some B&Ws have worse capacitors than others. I don't really know that for sure, though.
We have had some phone discussions with the company that makes the MRAM chips, Everspin. Unfortunately, we have found no workaround that is easy to implement. For the time being, our current plan is to switch back to nvSRAM from Cypress to continue production.
Then, we will likely redesign part of the circuit board to make it handle this situation on the B&W console in a way that the Everspin MRAM will boot up properly.
Danno, please open a support ticket at https://www.flashmasta.com/about/contact/ and we will talk about some specific support options for you there.
I'm sorry to hear that none of the batteries you tried helped. We are trying to get some more B&W units to test on. We currently have 2. They behave differently than each other. The batteries help on one of them. On the other, nothing seems to help.
The B&W model seems to rely more heavily on electrolytic capacitors than the color models do. My theory is that these are known to dry up over time, and maybe some B&Ws have worse capacitors than others. I don't really know that for sure, though.
We have had some phone discussions with the company that makes the MRAM chips, Everspin. Unfortunately, we have found no workaround that is easy to implement. For the time being, our current plan is to switch back to nvSRAM from Cypress to continue production.
Then, we will likely redesign part of the circuit board to make it handle this situation on the B&W console in a way that the Everspin MRAM will boot up properly.
Danno, please open a support ticket at https://www.flashmasta.com/about/contact/ and we will talk about some specific support options for you there.
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Neo Geo Pocket Flash Cart and Linker Project ( http://www.flashmasta.com/ )
Avatar art thanks to Trev-Mun ( http://trevmun.deviantart.com/ )