An eBay-sourced board with a genuine Maxim DS3231M chip, an an Atmel 24C32N EEPROM. I lifted the pad desoldering the chip that was previously on it, so I had to add the bodge wire to connect the SDA pin.
An eBay-sourced board with a genuine Maxim DS3231M chip, an an Atmel 24C32N EEPROM.