Although iPods have many other components, here we are only listing the components that might be relavent to cracking firmware encryption. If you have any suggestions for any other components to add, just post on the talk page or IRC.
1G Nano
| Component |
Details
|
| CPU
|
|
| Utility Flash ROM
|
|
| NAND Flash
|
|
2G Nano
| Component |
Details
|
| CPU
|
An Apple-branded ARM processor marked 337S3291 8701. It is probably a Samsung S5L8701B05, because the markings share an S for Samsung, and 8701 for the part number.
|
| Utility Flash ROM
|
SST SST39WF800A,stores Disk Mode, Diagnostic Mode and the code to flash this chip. The data of this chip is decrypted too. See Encryption.
|
| NAND Flash
|
Depends on the iPod. Common ones are the Samsung K9MBG08U5M and the Hynix HY27UW08BGFM.
|
3G Nano
| Component |
Details
|
| CPU
|
|
| Utility Flash ROM
|
|
| NAND Flash
|
|
4G Nano
| Component |
Details
|
| CPU
|
|
| Utility Flash ROM
|
|
| NAND Flash
|
|
Helpful pages
http://home.gna.org/linux4nano/download/hardware_synth-1.0.pdf
http://arstechnica.com/apple/reviews/2006/09/ipod-2g.ars/4