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Rockbox mail archiveSubject: Re: Survey for Rockbox in Flash, please participateRe: 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! > _________________________________________________________________ Add photos to your messages with MSN 8. Get 2 months FREE*. http://join.msn.com/?page=features/featuredemail Received on 2003-05-19 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |