Firmware for the G4EB2 brain, including part numbers G4D32EB2 and G4D32EB2-UPG.

See the SNAP PAC Controllers and Brains Firmware Release Notes (also called README) document for information on changes and fixes in the current version of this product's firmware.

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Some EB and SB brains shipped after April 2, 2018 shipped with new flash components, PAC firmware R9.5g (or higher), and new bootloader firmware. Lower versions of firmware are not compatible with these controllers. For instructions on recovering controllers that are accidentally installed with lower versions of firmware, review the SNAP PAC Controllers and Brains Firmware Release Notes document.

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