Rockbox General > Rockbox General Discussion
new ipods - rockbox port proposal
AlexP:
http://www.rockbox.org/twiki/bin/view/Main/WebHome?topic=BigDisk may help, but I know nothing of the disk controller in the iPods
LambdaCalculus:
Do you think that some of the devs over on IRC may know a little more about the disk controllers on the iPods and iriver devices?
GodEater:
What do you want to know ?
LambdaCalculus:
According to the wiki page BigBambi pointed out earlier, I know that Rockbox doesn't use LBA48 addressing. But the problem is that the wiki page hasn't been updated in quite a while... nine months, to be exact. Plus, most of that info is for the Archos devices, but I'm sure things like partitioning information would carry to all devices.
Since we have made progress with the 5.5G iPod video 80GB, what I wanted to know was if anyone on the dev team has researched the disk controllers on more modern systems, and perhaps found out what their limits on hard drive sizes are, and how they can handle the data for larger hard drives. I would figure, but not state as fact, that provided I can find an H340 backplate, I could upgrade the H320 to 160GB. But would the iriver be able to handle it, and would Rockbox on the H300 series be able to see the data on the partition?
As for the iPod side of things, my dad's had his fun with Rockbox and is thinking about getting the iPod Classic. That means I'll be the owner of a 4G greyscale iPod, but I wanted to know how the older iPod would handle larger drives.
Think of it as looking for insightful information.
Llorean:
Note: THE FOLLOWING IS PURE CONJECTURE COMBINED WITH GUESSWORK (but I'm reasonably confident of it despite that)
As it says, the addressing is purely a software issue. From that standpoint, I *believe* that >137GB disks are no problem to Rockbox, they're only a problem to the PC, and only if the USB-to-ATA bridge has that problem.
This problem definitely affects the Archoses, as we know. This problem probably will not affect the Software USB targets (Portalplayers, iPods included) because there is no USB-ATA bridge doohicky, there's just our software. (Yes, I used doohicky, I hate to admit it but I like that word).
For the other targets (h100, h300, x5, m5, gigabeat, etc) I imagine it'll depend on the nature of the hardware.
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