I2C Switch - EEPROM - is "i2c bridge enable" high-level logic correct?
I am not sure about the use case for the USB to read the 2kb EEPROM
For 3.3V to be absent the card has to be outside of a chassis, or the power units have to be deprogrammed - this might not be the intended high-level function.
Maybe the "enable" of IC35 should be driven by logic (e.g. via the PS MIO) instead of being hard wired to the 3.3V?