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Subject: Question regarding information in IriverFAQ - FAT32 file size limit

Question regarding information in IriverFAQ - FAT32 file size limit

From: Menachem Shapiro <>
Date: Fri, 22 Jul 2005 09:31:03 -0700


I was reading through the IriverFAQ
<> and noticed
something. The FAQ says:

  Will recording in Rockbox have the same filesize limitations as the
Iriver firmware?
No. The file size limit for recording in Rockbox will be 2 GB per
file. (This is a limitation imposed by the FAT32 file system.) Thus,
.WAV recording will allow a maximum of approximately 3 hours 20
minutes per file at 44.1 kHz 16 bit stereo. However, Rockbox has an
automatic file split function, so it will continue recording in a new

However, the largest file that FAT32 can support is 4 GB, not 2 GB. To
quote microsoft

"The largest possible file for a FAT32 volume is 4 GB minus 1 byte"

Is this a mistake in the FAQ or is there some other limit that will
prevent a file from getting bigger than 2 GB? I didn't want to edit
the wiki without knowing for sure.


Received on 2005-07-22

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