diff --git a/avr/devices/all/defs.asm b/avr/devices/all/defs.asm
index b6622bb..ae0861a 100644
--- a/avr/devices/all/defs.asm
+++ b/avr/devices/all/defs.asm
@@ -8,6 +8,8 @@
 ; ***************************************************************************
 
 
+; ---------------------------------------------------------------------------
+; Value types
 
 .equ AQHOME_VALUETYPE_UNKNOWN  = 0
 .equ AQHOME_VALUETYPE_TEMP     = 1
@@ -20,8 +22,13 @@
 .equ AQHOME_VALUETYPE_TVOC     = 8
 
 
-.equ AQHOME_FW_TYPE_ATT84_BASE  = 0
-.equ AQHOME_FW_TYPE_ATT84_TEMP1 = 1
+
+; ---------------------------------------------------------------------------
+; Firmware types (deprecated)
+
+;.equ AQHOME_FW_TYPE_ATT84_BASE  = 0
+;.equ AQHOME_FW_TYPE_ATT84_TEMP1 = 1
+
 
 
 ; ---------------------------------------------------------------------------
@@ -40,6 +47,7 @@
 .equ EEPROM_OFFS_MAL_CONF_SRC1_VALUEID = 17 ; 1 byte
 .equ EEPROM_OFFS_MAL_CONF_SRC2_ADDR    = 18 ; 1 byte
 .equ EEPROM_OFFS_MAL_CONF_SRC2_VALUEID = 19 ; 1 byte
+.equ EEPROM_OFFS_MAL_CONF_RGBWVALUE    = 20 ; 4 bytes
 
-; next is 20
+; next is 24