Address allocation:
1-6 | "Lexzach" - verify that eeprom is the FACP config eeprom
7 | 0-5 - coding selection
8 | 0-1 - is a key required
9 | 0-1 - is there verification
10 | 1-255 - how long to do verification (value * 0.1 = actual verification time in seconds)
11-26 | 65-90, 45-57, 32, 39 - System name
50 | 1-255 - EEPROM version
51 | 1-255 - EEPROM build
72 | 0-4094 - EOL resistor lenience
73 | 0-1 - enable EOL resistor
74 | 0-1 - pre-alarm enabled
75 | 1-10 - first-stage time
76 | 0-1 - smoke detector pre-alarm
77 | 1-5 - smoke detector timeout
78 | 0-1 - panel homescreen
79 | 0-1 - audible silence
80 | 0-40 - lcd timeout