Difference between revisions of "NOR"

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(being ultra picky technical. :))
m (LIttle Note)
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<td width=50%><center>0xFC000</center></td>
<td width=50%><center>0xFC000</center></td>
<td width=50%><center>[[NOR (NVRAM)|NVRAM]] Section</center></td>
<td width=50%><center>[[NOR (NVRAM)|NVRAM]] Section (Note: This copy is the one iBoot uses)</center></td>

Revision as of 16:50, 19 February 2011

NOR typically refers to the NOR flash chip the application processor boots from. The baseband also uses a NOR flash.

How to Access

This can be accessed using a patched iBoot or a kernel hack. It can possibly be dumped using /dev/kmem

Memory Map

hope I did this right heh

Configuration Data

0x0: "2GMI" fourcc
0x4: Block Size (0x40)
0x8: Images Section Location Offset
0xC: Images Section Location (In blocks)
0x10: Images Section Length

0x30: Checksum of this config data
SysCfg Section
Images Section
NVRAM Section (Note: This copy is the one iBoot uses)
NVRAM Section (copy)


  • iPhone -- some CFI compliant parallel nor
  • iPhone 3G -- 1MB SPI NOR flash
  • iPod touch 3G and beyond -- The NOR is replaced with a dedicated partition of NAND