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http://fonblog.wordpress.com/2006/10/19/free-as-in-beer-in-germany-austria-and-maybe-korea/
But now , la Fonera is a FON proprietary device , it has been enginered not to change the firmware (even though via serial console you can ), itâs controlled remotly and directly by Fon.
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http://fonblog.wordpress.com/2006/10/05/my-personal-indipendent-fonera-review/
Fonera has been designed not to be hacked. There are no administration port , the only tcp ports opened are 80 (http) 8080 (http-alt) and 53 (domain). There is a 10 pin serial port , and probably , using a serial cable with a max323 converter , same as ipod keyboard hack , and redboot bootloader you can reflash la fonera , but this hacking is not for the masses.
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http://jauzsi.hu/2006/10/13/inside-of-the-fonera
ã»ã» RXã»ã» TXã»ã» ã»ã» GNDã»ã»VCC(3.3V) ----------
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ä¸èº«ã¯Atheros SoCã§ãã... ãã¼ãã·ã³ã¯ãããããã ãã§ããããã§ãã®å¤æ®µã¯å®ãããã
Flashã¯ãã£ã±ãSPIã«ãªã£ã¦ãããé
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MTD driver for SPI flash.
spiflash: Probing for Serial flash ...
spiflash: Found SPI serial Flash.
8388608: size
Creating 8 MTD partitions on "spiflash":
0x00000000-0x00030000 : "RedBoot"
0x00030000-0x00720000 : "rootfs"
0x001c0000-0x00720000 : "rootfs1"
0x00720000-0x00730000 : "config"
0x00730000-0x007e0000 : "vmlinux.bin.l7"
0x007e0000-0x007ef000 : "FIS directory"
mtd: partition "FIS directory" doesn't end on an erase block -- force read-only
0x007ef000-0x007f0000 : "RedBoot config"
mtd: partition "RedBoot config" doesn't start on an erase block boundary -- force read-only
0x007f0000-0x00800000 : "board_config"
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Hacking the La Fonera
http://stefans.datenbruch.de/lafonera/
http://mrmuh.blogspot.com/
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http://lists.gnumonks.org/pipermail/legal/2006-October/000903.html
FON will release the sources, it was only delayed because some components had "weird" licenses. AFAIK the copyright owner took care of this problem yet, and the tarball will appear on the site soon.