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Subject: Re: Survey for Rockbox in Flash, please participate

Re: Survey for Rockbox in Flash, please participate

From: Nathan Gray <sanguination_at_hotmail.com>
Date: Mon, 19 May 2003 11:31:11 -0700

I too had M=BF D=D6
JBFMR 20

>From: idc-dragon_at_gmx.de
>Reply-To: rockbox_at_cool.haxx.se
>To: rockbox_at_cool.haxx.se
>Subject: Survey for Rockbox in Flash, please participate
>Date: Mon, 19 May 2003 11:54:59 +0200 (MEST)
>
>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 +++
>Bitte lächeln! Fotogalerie online mit GMX ohne eigene Homepage!
>

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Received on 2003-05-19

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