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Subject: Re: The future
From: roland (for_spam_at_gmx.de)
Date: 2003-12-19


mhhh - maybe there is no hardware mp3 decoding in this device?
all done with software on that powerful cpu ?

----- Original Message -----
From: "roland" <for_spam_at_gmx.de>
To: <rockbox_at_cool.haxx.se>
Sent: Friday, December 19, 2003 3:21 PM
Subject: Re: The future

> hey this looks really nice!
>
> maybe this is easy to hack?
> i downloaded firmware-file (~3.5mb-ouch!) of hd500 and it seems somewhat
> unscrambled. at least there is readable clear-text at adress hex#00153820.
> maybe they run a proprietary embedded OS on that ? the header of the .bin
> has a string "estfbinr" which seems to be "EST flat binary file format" (two
> hits on google groups pointing to comp.os.vxworks)
>
> btw: is there a program which can analyze a binary in depht and tell me, what
> kind of code (platform, maybe even programming language) is inside?
> i know unix "file" but does "file" do a comprehensive analysis of the whole file?
> i think you need a lot of hacker experience to distinguish between "data" "code"
> "scrambled shit" inside a file when just using a hex editor. is there such a
> "reverse engineer`s best friend" ?
>
> > Microcontroller: Motorola MCF5249, with a ColdFire CPU clocked at 120 MHz.
> so this mp3 player probably should be able to run linux!?
> (see http://www.linuxdevices.com/news/NS5265530840.html)
> pretty powerful device!
>
> > This indeed looks like a device we could have fun some with!
> and it makes me probably drop my intention to buy another archos jbr 20(old model)
> for future usage.
> :)
>
> > (Xclef also makes an 1.8"-disk model called HD-800. Those of you who value size over
> >capacity may want to have a look at that.)
> my favourite mp3 player now :) WHEN and WHERE available in EUROPE?
> btw: their "consumer website entry" seems to be at: http://www.multichannel-labs.com/
>
> > I found some info in a dutch forum:
> > http://gathering.tweakers.net/forum/list_messages/811305
> can someone translate that to english or make that guys TALK english? most of the dutch people speak
> perfect english so i wonder why such geektalk must be done in dutch ;)
>
> regards
> roland
>
>
>
>
> ----- Original Message -----
> From: "Björn Stenberg" <bjorn_at_haxx.se>
> To: <rockbox_at_cool.haxx.se>
> Sent: Friday, December 19, 2003 2:05 PM
> Subject: Re: The future
>
>
> > ajf_at_midmaine.com wrote:
> > > Here's another one to consider. These folks have been making flash memory
> > > mp3 player/recorders for quite a while, and have just announced a hard
> > > drive model.
> > >
> > > http://www.pogoproducts.com/
> >
> > This appears to be a rebranded XClef HD-500, which indeed looks like a pretty nice device: http://www.xclef.com/pro03_e.htm
> >
> > I found some info in a dutch forum:
> > http://gathering.tweakers.net/forum/list_messages/811305
> >
> > Photo of internals:
> > http://www.emmeau.com/xclef/xclef-print.jpg
> >
> > Microcontroller: Motorola MCF5249, with a ColdFire CPU clocked at 120 MHz.
> > USB controller: Our old friend the In-System ISD300
> > Flash: AM 29LV160DB-EC90
> >
> > Motorola sample block schematic:
> > http://www.emmeau.com/xclef/layoutbig.gif
> >
> > Motorola MCF5249 product page, with plenty of documentation:
> > http://e-www.motorola.com/webapp/sps/site/prod_summary.jsp?code=MCF5249L
> >
> > The display resolution is 160x105 and uses EL backlight.
> >
> > This indeed looks like a device we could have fun some with!
> >
> > (Xclef also makes an 1.8"-disk model called HD-800. Those of you who value size over capacity may want to have a look at that.)
> >
> > --
> > Björn
> >
>



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