99 file limitation

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99 file limitation

Postby JedOi » Sun Dec 25, 2005 6:55 pm

Just in case anyone has trouble with players only seeing 99 files even though there are many more files on the player.

The limit of 99 files is a "99 files per folder limit" and there is a limit of only ONE directory deep that the S1's music player can navigate ...

Data can be stored in sub-folders but the audio/music decoder in the firmware simply won't see any sub-folders.

So here's a little illustration which might help some folks ...

Image

Hope this helps someone :)
Last edited by JedOi on Mon Jan 16, 2006 6:28 am, edited 1 time in total.
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Postby ian_hawdon » Sun Dec 25, 2005 11:46 pm

made sticky and i will put the diagram on our sever tomorow :D
Who is General Error and why is he reading my hard drive? :D

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Postby wladston » Mon Dec 26, 2005 12:21 am

JedOi,

Thanks!

I liked the idea, I'll try to make a smaller version to include on the guide : http://s1mp3.org/en/docs_userguide.php#pen_drive
1GB Standard s1 mp3 player. (MP-482C MAIN V8)
1GB "mp4" s1mp3 player. Not remarked.
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Postby wladston » Mon Dec 26, 2005 12:21 am

JedOi,

maybe this is a nice start to our wiki ?

s1mp3.org/wiki
1GB Standard s1 mp3 player. (MP-482C MAIN V8)
1GB "mp4" s1mp3 player. Not remarked.
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Postby JedOi » Mon Dec 26, 2005 12:29 am

ahh yes, I'm sure we could produce a fine array of different images to go into the "image gallery" which could then be linked to the wiki text :)

One thing I wasn't sure about ... I know you can put 99 files directly onto the root drive as well as in root folders but I dunno quite what the 130 is about in the "130 files/folder on root limitation" line ?

I wonder if that means 130 data files per folder when used as a USB memory stick but only 99 files per folder when used as a music/audio player ...

I would have thought that there were no restrictions at all on sub-folders or number of files when it came to pure data storage !!!
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Postby wladston » Mon Dec 26, 2005 12:41 am

you an link images directly to the wiki!

It's easy!

"130 files/folder on root limitation" => you can only put 130 (files +folders) on root.

I think it's related to FAT16 filesystem .... gotta investigate more
But there are some restrictions, even on FAT32 filesystem.
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1GB "mp4" s1mp3 player. Not remarked.
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Postby JedOi » Mon Dec 26, 2005 12:45 am

ahh right, so the absolute maximum number of music files would be 130 root-folders on the root-drive with 99 music/audio files in each = 12,870 music/audio files (probably quite small ones) ? :)

I'll have to try it, probably take about 2 days to transfer them all though hehehe.

On a side-note, I see that Argos in the UK where I got my player from has completely stopped stocking IItronics players now ... probably too many people taking em back LOL
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Postby wladston » Mon Dec 26, 2005 3:55 pm

:)

I guess they are soon going to ask to remove the firmware upgrade feature!!

I've found it from M$, no need to testing:
Maximum Sizes on FAT16 Volumes

FAT16 supports a maximum of 65,524 clusters per volume. Table 13.7 lists FAT16 size limits.

Table 13.7 FAT16 Size Limits
Description Limit
Maximum file size 4 GB minus 1 byte (232 bytes minus 1 byte)
Maximum volume size 4 GB
Files per volume Approximately 65,536 (216 files)
Maximum number of files and folders within the root folder 512 (Long file names can reduce the number of available files and folders in the root folder.)
1GB Standard s1 mp3 player. (MP-482C MAIN V8)
1GB "mp4" s1mp3 player. Not remarked.
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Postby JedOi » Mon Jan 16, 2006 6:26 am

Well, I did some testing and the absolute maximum number of files the music/audio player would "see" was ...

99 files on the root drive itself ...

PLUS

99 folders on the root drive each with 99 files in them ...

Giving a grand total of 9,900 music/audio files theoretical maximum :D

I've amended my diagram accordingly and will add a section to the Wiki later ;)

PS. Empty folders (not containing mp3, wma or other suitable formats) are not seen/listed by the player.
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Postby wladston » Mon Jan 16, 2006 2:11 pm

1GB Standard s1 mp3 player. (MP-482C MAIN V8)
1GB "mp4" s1mp3 player. Not remarked.
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Postby ian_hawdon » Thu May 25, 2006 9:13 am

What firmware version is on that particular player?
Who is General Error and why is he reading my hard drive? :D

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Re: 99 file limitation

Postby thomasz » Wed Jun 18, 2008 1:34 am

Ya, i never knew that sensitivity is so important!!! Thx. :D
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