NOR typically refers to the NOR flash chip the application processor boots from. The baseband also uses a NOR flash. (See Wikipedia's article about flash memory for background on NOR flash in general.)
How to Access[edit]
This can be accessed using a patched iBoot or a kernel hack. It can possibly be dumped using /dev/kmem
Memory Map[edit]
Offset | Description |
---|---|
0x0 | Configuration Data
|
0x4000 | SysCfg Section |
0x8000 | Images Section |
0xFC000 | NVRAM Section (Note: This copy is the one iBoot uses) |
0xFE000 | NVRAM Section (copy) |
Hardware[edit]
- iPhone -- some CFI compliant parallel NOR
- iPhone 3G -- 1MB SPI NOR flash
- iPod touch (3rd generation) and beyond -- The NOR is replaced with a dedicated partition of NAND