[Diy_efi] Mopar PCM

[biob dobbs]

no, not that,  what PC program are you talking about dissassembling with it


>From: "David Cooley" <n5xmt at bellsouth.net>
>Reply-To: A list for Do-It-Yourself EFI <diy_efi at diy-efi.org>
>To: <diy_efi at diy-efi.org>
>Subject: Re: Re: [Diy_efi] Mopar PCM
>Date: Wed, 27 Oct 2004 21:15:16 -0400 (Eastern Daylight Time)
>
>Interactive Disassembler Pro
>
>-------Original Message-------
>
>From: A list for Do-It-Yourself EFI
>Date: 10/27/04 20:49:14
>To: diy_efi at diy-efi.org
>Subject: Re: Re: [Diy_efi] Mopar PCM
>
>What program is this you are looking at disassembling, that j(some number)
>program from daimler chrysler?
>
>
> >From: "David Cooley" <n5xmt at bellsouth.net>
> >Reply-To: A list for Do-It-Yourself EFI <diy_efi at diy-efi.org>
> >To: <diy_efi at diy-efi.org>
> >Subject: Re: Re: [Diy_efi] Mopar PCM
> >Date: Wed, 27 Oct 2004 17:10:55 -0400 (Eastern Daylight Time)
> >
> >Hmm... I do have a disassembler for windows programs!
> >
> >-------Original Message-------
> >
> >From: A list for Do-It-Yourself EFI
> >Date: 10/27/04 16:02:24
> >To: A list for Do-It-Yourself EFI
> >Subject: Re: Re: [Diy_efi] Mopar PCM
> >
> >Anyway to reverse engineer the application I sent you to see how Chrysler
> >accesses the flash via SCI? Data logger maybe?
> > >
> > > From: "David Cooley" <n5xmt at bellsouth.net>
> > > Date: 2004/10/27 Wed PM 12:52:31 GMT
> > > To: <diy_efi at diy-efi.org>
> > > Subject: Re: [Diy_efi] Mopar PCM
> > >
> > >  As I said, even the factory flash file looks identical to what is in
> >the
> > > flash proms... it is both flash concatenated into a single file with a
> > > checksum so the DRB can check for file corruption before it applies 
>the
> > > flash.  The flash appears to be strictly data, and no code at all.  I
> >ihave
> > > to set up SCI direct to the CPU's to see if I can dump the ROM.  Once 
>I
> >do
> > > that I will have a better idea what is going on...  and the info I 
>have
> >is
> > > not speculation...  I have received it from a person that works for a
> > > company that assembles, programs, reworks and tests the PCM's for
> >Chrysler
> >
> > > 96 and newer Chrysler PCM's are a totally different animal than the 95
> >and
> > > earlier units.
> > >
> > >
> > >
> > > -------Original Message-------
> > >
> > >
> > >
> > > From: A list for Do-It-Yourself EFI
> > >
> > > Date: 10/26/04 22:42:52
> > >
> > > To: diy_efi at diy-efi.org
> > >
> > > Subject: Re: [Diy_efi] Mopar PCM
> > >
> > >
> > >
> > > again a dump wont do you any good. every piece of chyrsler code ive 
>ever
> > > seen has a copyright in asccii test at the bottom of the rom. these do
> >not
> >
> > > the only clear reasoning is that the adress line are muxed or 
>something
> > > during programming. this is not even remotely beyond the capability of
> >the
> > > 68hc vriants running in these ecms.
> > >
> > >
> > >
> >
> >
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