Rockbox mail archiveSubject: RE: support for Generic MP4
RE: support for Generic MP4
From: Jammit Timmaj <jammit999_at_hotmail.com>
Date: Tue, 22 Jun 2010 07:02:42 +0000
Date: Mon, 21 Jun 2010 20:39:36 -0300
Subject: support for Generic MP4
I want to know if there is support for generics mp4(it looks like an ipod Nano). I bought one from ebay, but I did format it on Linux. I already did it on a mp3 player I had, and everything work right.
But this time, it did not work.
the mp4 open the initial screen (with the menus), but when I try to enter any of the menus, the device says "disk error".
I already format it on linux, windows, on more than one partition. I just did not know what to do. But then I heard about rockbox, and thought that it could be a solution.
well, do I have any chance? what you need to know about the device?
thanks in adviceabracos
Before you panic, try and reformat it again, but make sure to try to format it in fat32. If that fails try fat16. You might have accidentally formatted it in one of the Linux file structures (ext, reiser, etc). Some of these mp4 players don't even understand fat32 and need fat16. Most of those cheapie mp4 players have the firmware on the flash chip, but after they boot, the firmware instructions tell the CPU to only allow access to the remaining free flash making it difficult to simply format them. To really mess one up, jumper some of the flash data pins together when you power it up. Doing that will cause the CPU to load in bad firmware data. Luckily, when the CPU gets a bad boot up, it goes into a special ADFU mode. The ADFU mode is normally used by the factory to mass flash the firmware into the mp4 player. Unfortunately, there are so many different ways of building an mp4 player and many different flashes, it's really difficult to get the right flash data. To make matters worse, most of the mp4 makers are either "fly by night" productions and no longer exist, or else they don't want you to have a copy of their firmware to prevent competitors from stealing their programmers hard work. www.s1mp3.org and secure.wikimedia.org/wikipedia/en/wiki/S1_MP3_player have more information. You'll probably have to open the player to determine the exact product info. A lot of them look the same on the outside, but internally they may use different hardware, even if you bought many players from the same manufacturer at the same time! Every flash program I've seen so far has been Windows based, so you'll probably need a Windows machine.
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Received on 2010-06-22
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