Rockbox General > Rockbox General Discussion

iPod video - Disk mode fails, sector size problem. PLEASE help!

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eltonart:
Hi. I'm building a iPod 5.5 with 80Gb drive for rockbox. I installed a new logic board and new 80Gb slim hard drive and then succesfully restored the ipod in itunes. I then installed rockbox but after reboot I recieve error message "*PANIC* Unsupported physical sector size: 4096".

I know how to fix the error using a custom complile of rockbox (I've done this before successfully).

The problem is that now I can't get the ipod back into "disk mode" in order to fix it. I can reboot the iPod OK but when I hold play and middle button I still get the error message.

Thanks in advance for your help! Elton.

Chronon:
If you are seeing that message when doing the button combination then you are doing it too late.  Try holding it as soon as the screen blanks from holding Menu+Select.

eltonart:
I'm doing it immediately after the screen goes dark for the restart. I used to do it on my old Ipod and it worked every time. Thanks but I dont think that's the problem.

saratoga:
AFAIK the disk mode will always work unless you've physically broken the player.

eltonart:
Thats what I thought too, but now I'm not so sure. Its only a theory but I wonder if the drive tries to start with the incorrect sector size that the head somehow gets out of allignment. If the Ipod is unable to start in disk mode then I wonder if it will try and start in normal mode???

Diagnostic mode doesnt work either. What worries me is that the Ipod was working after I used Itunes to restore it before I installed the bootloader and Rockbox. The logic board and hard drive are brand new!

Anyone able to confirm how the boot-mode and diagnostic mode works in more detail and what happens if anything is wrong? I assmue it uses the built-in firmware to load and should bypass the bootloader???

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