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Subject: RE: Survey for Rockbox in Flash, please participate
From: Scrambler (thescrambler0_at_yahoo.com)
Date: 2003-06-21


(DB v030605)
My Jukebox Studio 20 says "Flash:BF,D6".

On a side note, it says "ROM: 5.06", but when I boot
up the boot rom displays "Ver : 5.08".

> -----Original Message-----
> From: idc-dragon_at_gmx.de [mailto:idc-dragon_at_gmx.de]
> Sent: 19 May 2003 11:55
> To: rockbox_at_cool.haxx.se
> Subject: Survey for Rockbox in Flash, please
> participate
>
>
> Hello,
>
> we're starting to work on the possibility to bring
> Rockbox into the Flash
> ROM of the jukebox. Imagine booting in maybe 3
> seconds!
>
> Don't tell me it's dangerous. The box has a boot
> ROM, it seems to contain a
> little monitor communicating over RS232. We may be
> able to use this to
> inject
> code to program the box even if the flash is
> completely garbled. All this is
> to be analyzed yet.
>
> There are units with flash chips that could be
> programmed in-system, while
> others can't (like mine, grr!).
> I made some test code to find out, by reading the
> flash IDs. Since the
> 20030518 daily build this code is in. Please test
> yours, in the menu go to
> "Debug
> (Keep Out!)" -> "View HW info". If the Flash entry
> lists hex bytes for
> manufacturer and device, you're lucky. If it gives
> only question marks, it
> failed
> to bring the flash into command mode, meaning either
> the chip would need a
> 12.5V programming voltage (like my SST37VF020) or
> you have some exotic flash
> my
> code is not prepared for.
>
> The lucky guys are most likely to find "Flash: M=BF
> D=D6", which means
> SST39VF020. I would be very interested in other
> values.
>
> If you did the test, please post here or email me
> regardless of the result,
> I'd like to get some meaningful statistics.
>
> Thanks,
> Jörg
>
> --
> +++ GMX - Mail, Messaging & more http://www.gmx.net

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Page was last modified "Jan 10 2012" The Rockbox Crew
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