For the following systems
FMADIO-3412
FMADIO-5412
CMOS Battery has a life of about 5 years, the specific battery the systems use is shown below
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Any CR2032 is sufficient, same brand is NOT required.
The CMOS battery is under the FPGA shown below
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Once the FPGA has been removed the CR2032 batter can be seen next to the PCIe slot, as shown below
.png?sv=2026-02-06&spr=https&st=2026-07-12T21%3A46%3A58Z&se=2026-07-12T21%3A57%3A58Z&sr=c&sp=r&sig=u0ly4Jeyul00QsApNuq8BdrJutcv%2B7tknJ2sANyakS0%3D)