| 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 |
Reference: 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