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A user contributed library for the EEPROM can be found here: https://github.com/IngloriousEngineer/Arduino
It is included in the Add-on package as well - the EEPROM is 24LC32AT-I and can be found on the first I2C bus (Wire not Wire1) at address 0x50
Example can be found Examples→DigiXEEPROM→Extensive_EEPROM_overview
EEPROM Data Sheet: 24AA32A/24LC32A on Microchip website
The 24LC32AT-I tells us that it's a 2.5V part (the LC vs AA for 1.7V), provided on a Tape and Reel (the T), and rated for -40°C to +85°C (the I).