Rockbox Development > New Ports
Toshiba Gigabeat S30
toffe:
For the update:
I have a board of a S30 without component. This will allowed me to trace the signals.
At first, I will try to trace the jtag connector (hope it will be done this week)
I order an interface for the hd with zif connector so I can see the drive from my computer and copy and modify files on it (should receive it a t the end of this week).
More information a t the end of week
toffe:
Update :
I trace the jtag connector on the S30 : it is present, just need to know if it is working.
I got a working S30 and wait for the hd interface with zif connector to try some changes in the nk.bin.
I will do it this week I think.
Can somebody analyze the recovery.bin file to see what it does actually as it can be a solution to load something on the S, a little risky because if you go in recovery mode, theer is no software available to reload something.
So if we can analyze it and try to write a software to load the firmware, it will be a first step.
AnthraxPants:
My wife just purchased a S30 and I spotted your forum. I am really busy over the next week but I will purchase another S30 ASAP. I'll order a hd interface with zif also.
I can say the next week will be quite busy so I am not sure how much help I can be for a while. I will talk to some friends here in Australia and see who is interested in helping out. I will begin looking at firmware but I can't do too much until I have the hd interface.
I'll check in over the next week to see how things are going but I will be quite busy for a few days with work as I have to travel some 300KM away tomorrow and then back again either the next day, or day after.
toffe:
Hello AnthraxPants
If you want more informations on the firmware, just have a look here :
http://www.rockbox.org/twiki/bin/view/Main/GigabeatSInfo
and go on the irc #gigabeat or #rockbox on freenode
ZunePet:
My status update:
> ...The updater is specific to the v30...So we have to modify the updater to work with the S
> ...Perhaps we can modify the updater to load a modified firmware on the S
You only need to change one byte (hint: change the first unicode "gigabeat V" -> "gigabeat S")
Then the Japanese firmware updater can be used to re-install the firmware on the GigaBeatS !
http://www.mygigabeat.com/forum/messages.cfm?threadid=B4FB14C7-3048-2906-EA4E52CB99CE6A7E
NOTE: since there is only one official release, this is good for fixing broken S30/S60s.
It is also good for running 'homebrew' (see below) !!!
> ..and why not on a zune..
The Zune update process is different. The existing ZUNE.EXE windows app can be hacked to update the Zune device. Homebrew not (currently) possible for different reasons.
==========
re: Homebrew on the GigaBeat"S" S30 or S60 (the key to running Linux or RockBox)
The GigaBeatS uses digitally signed firmware. If you change almost any byte in the NK.BIN the SHA-1 hash changes, it fails the signature test, and the image will not be run.
Fortunately the boot loader is not very secure. With a trivial mod to the NK.BIN file, you can disable the check (BTW: 16 bytes)
NOTE: the Zune firmware (all released versions) does not have this hole so this technique won't work :-
To keep it non-invasive, you will have to cold boot your GigaBeatS to switch between the different OSs (another advantage of the little battery off switch).
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