No, 3G doesn't have all these. I guess they didn't want to rely on DFU in it's first release.
Taylor Gordon schrieb: > So does the 3g and 6g have all of these 'partitions' also? It would > make sense since they added in a dfu. > > On 3/10/09, The Seven <[email protected]> wrote: >> 16158298112 bytes are 15,0486 GiB. >> So obviously they use some flash space for non-usb-accessible storage, >> but 1GB sounds too much for the firmware partition. I rather guess that >> this space is for wear leveling. >> The initial PC on this platform will be the start of the processor's >> internal ROM. However, it looks like that one takes over part one of the >> 2G nano's NOR flash (initializing stuff and loading one of the boot >> images), and the boot images that were stored on NOR flash were now >> moved to NAND. This means it should be easily possible to corrupt disk >> mode, but since iTunes now knows how to talk to a device in DFU mode, >> that shouldn't be an issue. >> So this one doesn't have any NOR flash any more? >> >> Cory Walker schrieb: >>> That actually is interesting because the flash is actually 16.1 GB >>> (16158298112 bytes). Isn't this code that would normally be stored on >>> the utility flash? Maybe Apple scrapped that idea and just had a larger >>> flash chip. I'll have to examine the flash chip more, but I am wondering >>> how they got a 16.1 GB chip. Don't they normally only come in powers of >>> two, like only 16 GB? If critical information like this is on the flash, >>> wouldn't it also be possible to brick the 4G nano, or does it rely on >>> DFU to fall back on? >>> >>> The Seven wrote: >>>> Sounds interesting, and somehow makes me suspicious whether that one has >>>> a NOR flash at all or whether the whole firmware is stored in NOR. How >>>> big exactly is the data flash you see via USB? >>>> >>>> Cory Walker schrieb: >>>>> I just extracted the partitions from the 4G Nano firmware file using >>>>> extract2g, and I stumbled apon some interesting results. It turns out >>>>> that the 4G has many more partitions than the typical three (osos, aupd, >>>>> and rsrc). I found appl, chrg, rsrc, bdhw, diag, bdsw, disk, lbat, osos, >>>>> instead. Note that it does not have the aupd partition. Here is what I >>>>> think these are for, in order: Apple booting logo, charging, filesystem, >>>>> bad hardware error, diagnostic mode, bad software error, disk mode, low >>>>> battery, and firmware. I don't know if this has already been discovered, >>>>> but I just wanted to point it out. Another thing that might be worth >>>>> looking at is the hash.fw partition in the 3G Nano and 6G iPod. These >>>>> are probably not of any use because they are filled with 6KB of FF's. >>>>> >>>>> -Cory Walker >>>>> >>>>> _______________________________________________ >>>>> Linux4nano-dev mailing list >>>>> [email protected] >>>>> https://mail.gna.org/listinfo/linux4nano-dev >>>>> http://www.linux4nano.org >>>>> >>>> _______________________________________________ >>>> Linux4nano-dev mailing list >>>> [email protected] >>>> https://mail.gna.org/listinfo/linux4nano-dev >>>> http://www.linux4nano.org >>>> >>> _______________________________________________ >>> Linux4nano-dev mailing list >>> [email protected] >>> https://mail.gna.org/listinfo/linux4nano-dev >>> http://www.linux4nano.org >>> >> >> _______________________________________________ >> Linux4nano-dev mailing list >> [email protected] >> https://mail.gna.org/listinfo/linux4nano-dev >> http://www.linux4nano.org >> > > _______________________________________________ > Linux4nano-dev mailing list > [email protected] > https://mail.gna.org/listinfo/linux4nano-dev > http://www.linux4nano.org > _______________________________________________ Linux4nano-dev mailing list [email protected] https://mail.gna.org/listinfo/linux4nano-dev http://www.linux4nano.org
