// [USER:8][NEW:1][MEMSIZE:3][MANUFACTURER:4][PROCESSOR:4][TYPE:8][REV:4]
// NEW          23: will be 1 for the new scheme, 0 for the old scheme
// MEMSIZE      20: 0=256M 1=512M 2=1G
// MANUFACTURER 16: 0=SONY 1=EGOMAN 2=EMBEST
// PROCESSOR    12: 0=2835 1=2836
// TYPE         04: 0=MODELA 1=MODELB 2=MODELA+ 3=MODELB+ 4=Pi2 MODELB
5=ALPHA 6=CM
// REV          00: 0=REV0 1=REV1 2=REV2

// pi2       = 1<<23 | 2<<20 | 1<<12 | 4<<4          = 0xa01040
// rev1.1 B+ = 1<<23 | 1<<20 | 0<<12 | 3<<4 | 0xf<<0 = 0xa0003f