#define MODEL_Root              0x1E
#define MODEL_g268              0x1D
#define MODEL_o968              0x1C
#define MODEL_o969              0x1B
#define MODEL_o966              0x1A
#define MODEL_g238              0x19
#define MODEL_g220              0x18
#define MODEL_o844              0x17
#define MODEL_o772              0x16
#define MODEL_g219              0x15
#define MODEL_o846              0x14
#define MODEL_o768              0x13
#define MODEL_g253              0x12
#define MODEL_o914              0x11
#define MODEL_o903              0x10
#define MODEL_g144              0xF
#define MODEL_o646              0xE
#define MODEL_o638              0xD
#define MODEL_o636              0xC
#define MODEL_o634              0xB
#define MODEL_g270              0xA
#define MODEL_o978              0x9
#define MODEL_o977              0x8
#define MODEL_o976              0x7
#define MODEL_o975              0x6
#define MODEL_o974              0x5
#define MODEL_g269              0x4
#define MODEL_o973              0x3
#define MODEL_o972              0x2
#define MODEL_o971              0x1
#define MODEL_o970              0x0