| Partition | Start | Sector | Number of Sectors | Number of Sectors | Partition | Size | PartNum in GPT | Requirements |
|---|---|---|---|---|---|---|---|---|
| MBR | 0 | 00000000 | 1 | 00000001 | 512 | 0.5KB | ||
| Primary GPT | 1 | 00000001 | 63 | 0000003F | 32256 | 31.5KB | ||
| loader1 | 64 | 00000040 | 7104 | 00001bc0 | 4096000 | 2.5MB | 1 | preloader (miniloader or U-Boot SPL) |
| Vendor Storage | 7168 | 00001c00 | 512 | 00000200 | 262144 | 256KB | SN, MAC and etc. | |
| Reserved Space | 7680 | 00001e00 | 384 | 00000180 | 196608 | 192KB | Not used | |
| reserved1 | 8064 | 00001f80 | 128 | 00000080 | 65536 | 64KB | legacy DRM key | |
| U-Boot ENV | 8128 | 00001fc0 | 64 | 00000040 | 32768 | 32KB | ||
| reserved2 | 8192 | 00002000 | 8192 | 00002000 | 4194304 | 4MB | legacy parameter | |
| loader2 | 16384 | 00004000 | 8192 | 00002000 | 4194304 | 4MB | 2 | U-Boot or UEFI |
| trust | 24576 | 00006000 | 8192 | 00002000 | 4194304 | 4MB | 3 | trusted-os like ATF, OP-TEE |
| boot (bootable must be set) | 32768 | 00008000 | 229376 | 00038000 | 117440512 | 112MB | 4 | kernel, dtb, extlinux.conf, ramdisk |
| rootfs | 262144 | 00040000 | - | - | - | -MB | 5 | Linux system |
| Secondary GPT | 16777183 | 00FFFFDF | 33 | 00000021 | 16896 | 16.5KB |