(X) 3G/1G user/kernel split                               │ │
( ) 3G/1G user/kernel split (for full 1G low memory)      │ │
( ) 2G/2G user/kernel split                               │ │
( ) 2G/2G user/kernel split (for full 2G low memory)      │ │
( ) 1G/3G user/kernel split                               │ │
                                           │ │