Memory split
> 1. Default 896MB lowmem (3G/1G user/kernel split) (VMSPLIT_3G) (NEW)
  2. 2GB lowmem (2G/2G user/kernel split) (VMSPLIT_2G) (NEW)
  3. 3GB lowmem (1G/3G user/kernel split) (VMSPLIT_1G) (NEW)
choice[1-3?]: