[Diy_efi] Mopar PCM
David Cooley
n5xmt at bellsouth.net
Thu Oct 28 01:25:45 GMT 2004
--===============6084396008842905==
Content-Type: Multipart/Alternative;
boundary="------------Boundary-00=_GTS9G6G0000000000000"
--------------Boundary-00=_GTS9G6G0000000000000
Content-Type: Text/Plain;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Interactive Disassembler Pro =0D
=0D
-------Original Message-------=0D
=0D
From: A list for Do-It-Yourself EFI=0D
Date: 10/27/04 20:49:14=0D
To: diy_efi at diy-efi.org=0D
Subject: Re: Re: [Diy_efi] Mopar PCM=0D
=0D
What program is this you are looking at disassembling, that j(some number=
)=0D
program from daimler chrysler?=0D
=0D
=0D
>From: "David Cooley" <n5xmt at bellsouth.net>=0D
>Reply-To: A list for Do-It-Yourself EFI <diy_efi at diy-efi.org>=0D
>To: <diy_efi at diy-efi.org>=0D
>Subject: Re: Re: [Diy_efi] Mopar PCM=0D
>Date: Wed, 27 Oct 2004 17:10:55 -0400 (Eastern Daylight Time)=0D
>=0D
>Hmm... I do have a disassembler for windows programs!=0D
>=0D
>-------Original Message-------=0D
>=0D
>From: A list for Do-It-Yourself EFI=0D
>Date: 10/27/04 16:02:24=0D
>To: A list for Do-It-Yourself EFI=0D
>Subject: Re: Re: [Diy_efi] Mopar PCM=0D
>=0D
>Anyway to reverse engineer the application I sent you to see how Chrysle=
r=0D
>accesses the flash via SCI? Data logger maybe?=0D
> >=0D
> > From: "David Cooley" <n5xmt at bellsouth.net>=0D
> > Date: 2004/10/27 Wed PM 12:52:31 GMT=0D
> > To: <diy_efi at diy-efi.org>=0D
> > Subject: Re: [Diy_efi] Mopar PCM=0D
> >=0D
> > As I said, even the factory flash file looks identical to what is in=
=0D
>the=0D
> > flash proms... it is both flash concatenated into a single file with =
a=0D
> > checksum so the DRB can check for file corruption before it applies t=
he=0D
> > flash. The flash appears to be strictly data, and no code at all. I=
=0D
>ihave=0D
> > to set up SCI direct to the CPU's to see if I can dump the ROM. Once=
I=0D
>do=0D
> > that I will have a better idea what is going on... and the info I ha=
ve=0D
>is=0D
> > not speculation... I have received it from a person that works for a=
=0D
> > company that assembles, programs, reworks and tests the PCM's for=0D
>Chrysler=0D
>=0D
> > 96 and newer Chrysler PCM's are a totally different animal than the 9=
5=0D
>and=0D
> > earlier units.=0D
> >=0D
> >=0D
> >=0D
> > -------Original Message-------=0D
> >=0D
> >=0D
> >=0D
> > From: A list for Do-It-Yourself EFI=0D
> >=0D
> > Date: 10/26/04 22:42:52=0D
> >=0D
> > To: diy_efi at diy-efi.org=0D
> >=0D
> > Subject: Re: [Diy_efi] Mopar PCM=0D
> >=0D
> >=0D
> >=0D
> > again a dump wont do you any good. every piece of chyrsler code ive e=
ver=0D
> > seen has a copyright in asccii test at the bottom of the rom. these d=
o=0D
>not=0D
>=0D
> > the only clear reasoning is that the adress line are muxed or somethi=
ng=0D
> > during programming. this is not even remotely beyond the capability o=
f=0D
>the=0D
> > 68hc vriants running in these ecms.=0D
> >=0D
> >=0D
> >=0D
>=0D
>=0D
>_______________________________________________=0D
>diy_efi mailing list=0D
>diy_efi at diy-efi.org=0D
>http://lists.diy-efi.org/mailman/listinfo/diy_efi=0D
=0D
_________________________________________________________________=0D
Check out Election 2004 for up-to-date election news, plus voter tools an=
d=0D
more! http://special.msn.com/msn/election2004.armx=0D
=0D
_______________________________________________=0D
diy_efi mailing list=0D
diy_efi at diy-efi.org=0D
http://lists.diy-efi.org/mailman/listinfo/diy_efi=0D
=20
--------------Boundary-00=_GTS9G6G0000000000000
Content-Type: Text/HTML;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; charset=3Diso-8859-=
1">
<META content=3D"IncrediMail 1.0" name=3DGENERATOR></HEAD>
<BODY style=3D"BACKGROUND-POSITION: 0px 0px; FONT-SIZE: 12pt; MARGIN: 5px=
10px 10px; FONT-FAMILY: Arial" bgColor=3D#ffffff background=3D"" scroll=3D=
yes ORGYPOS=3D"0">
<TABLE id=3DINCREDIMAINTABLE cellSpacing=3D0 cellPadding=3D2 width=3D"100=
%" border=3D0>
<TBODY>
<TR>
<TD id=3DINCREDITEXTREGION style=3D"FONT-SIZE: 12pt; CURSOR: auto; FONT-F=
AMILY: Arial" width=3D"100%">
<DIV>Interactive Disassembler Pro </DIV>
<DIV> </DIV>
<DIV id=3DIncrediOriginalMessage><I>-------Original Message-------</I></D=
IV>
<DIV> </DIV>
<DIV id=3Dreceivestrings>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>From:</B></I> <A href=3D"m=
ailto:diy_efi at diy-efi.org">A list for Do-It-Yourself EFI</A></DIV>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>Date:</B></I> 10/27/04 20:=
49:14</DIV>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>To:</B></I> <A href=3D"mai=
lto:diy_efi at diy-efi.org">diy_efi at diy-efi.org</A></DIV>
<DIV dir=3Dltr style=3D"FONT-SIZE: 11pt" <i><B>Subject:</B></I> Re: Re: [=
Diy_efi] Mopar PCM</DIV></DIV>
<DIV> </DIV>
<DIV>What program is this you are looking at disassembling, that j(some n=
umber)</DIV>
<DIV>program from daimler chrysler?</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>>From: "David Cooley" <<A href=3D"mailto:n5xmt at bellsouth.net">=
n5xmt at bellsouth.net</A>></DIV>
<DIV>>Reply-To: A list for Do-It-Yourself EFI <<A href=3D"mailto:di=
y_efi at diy-efi.org">diy_efi at diy-efi.org</A>></DIV>
<DIV>>To: <<A href=3D"mailto:diy_efi at diy-efi.org">diy_efi at diy-efi.o=
rg</A>></DIV>
<DIV>>Subject: Re: Re: [Diy_efi] Mopar PCM</DIV>
<DIV>>Date: Wed, 27 Oct 2004 17:10:55 -0400 (Eastern Daylight Time)</D=
IV>
<DIV>></DIV>
<DIV>>Hmm... I do have a disassembler for windows programs!</DIV>
<DIV>></DIV>
<DIV>>-------Original Message-------</DIV>
<DIV>></DIV>
<DIV>>From: A list for Do-It-Yourself EFI</DIV>
<DIV>>Date: 10/27/04 16:02:24</DIV>
<DIV>>To: A list for Do-It-Yourself EFI</DIV>
<DIV>>Subject: Re: Re: [Diy_efi] Mopar PCM</DIV>
<DIV>></DIV>
<DIV>>Anyway to reverse engineer the application I sent you to see how=
Chrysler</DIV>
<DIV>>accesses the flash via SCI? Data logger maybe?</DIV>
<DIV>> ></DIV>
<DIV>> > From: "David Cooley" <<A href=3D"mailto:n5xmt at bellsouth=
=2Enet">n5xmt at bellsouth.net</A>></DIV>
<DIV>> > Date: 2004/10/27 Wed PM 12:52:31 GMT</DIV>
<DIV>> > To: <<A href=3D"mailto:diy_efi at diy-efi.org">diy_efi at diy=
-efi.org</A>></DIV>
<DIV>> > Subject: Re: [Diy_efi] Mopar PCM</DIV>
<DIV>> ></DIV>
<DIV>> > As I said, even the factory flash file looks id=
entical to what is in</DIV>
<DIV>>the</DIV>
<DIV>> > flash proms... it is both flash concatenated into a single=
file with a</DIV>
<DIV>> > checksum so the DRB can check for file corruption before i=
t applies the</DIV>
<DIV>> > flash. The flash appears to be strictly data, a=
nd no code at all. I</DIV>
<DIV>>ihave</DIV>
<DIV>> > to set up SCI direct to the CPU's to see if I can dump the=
ROM. Once I</DIV>
<DIV>>do</DIV>
<DIV>> > that I will have a better idea what is going on... &n=
bsp;and the info I have</DIV>
<DIV>>is</DIV>
<DIV>> > not speculation... I have received it from a pe=
rson that works for a</DIV>
<DIV>> > company that assembles, programs, reworks and tests the PC=
M's for</DIV>
<DIV>>Chrysler</DIV>
<DIV>></DIV>
<DIV>> > 96 and newer Chrysler PCM's are a totally different animal=
than the 95</DIV>
<DIV>>and</DIV>
<DIV>> > earlier units.</DIV>
<DIV>> ></DIV>
<DIV>> ></DIV>
<DIV>> ></DIV>
<DIV>> > -------Original Message-------</DIV>
<DIV>> ></DIV>
<DIV>> ></DIV>
<DIV>> ></DIV>
<DIV>> > From: A list for Do-It-Yourself EFI</DIV>
<DIV>> ></DIV>
<DIV>> > Date: 10/26/04 22:42:52</DIV>
<DIV>> ></DIV>
<DIV>> > To: <A href=3D"mailto:diy_efi at diy-efi.org">diy_efi at diy-efi=
=2Eorg</A></DIV>
<DIV>> ></DIV>
<DIV>> > Subject: Re: [Diy_efi] Mopar PCM</DIV>
<DIV>> ></DIV>
<DIV>> ></DIV>
<DIV>> ></DIV>
<DIV>> > again a dump wont do you any good. every piece of chyrsler=
code ive ever</DIV>
<DIV>> > seen has a copyright in asccii test at the bottom of the r=
om. these do</DIV>
<DIV>>not</DIV>
<DIV>></DIV>
<DIV>> > the only clear reasoning is that the adress line are muxed=
or something</DIV>
<DIV>> > during programming. this is not even remotely beyond the c=
apability of</DIV>
<DIV>>the</DIV>
<DIV>> > 68hc vriants running in these ecms.</DIV>
<DIV>> ></DIV>
<DIV>> ></DIV>
<DIV>> ></DIV>
<DIV>></DIV>
<DIV>></DIV>
<DIV>>_______________________________________________</DIV>
<DIV>>diy_efi mailing list</DIV>
<DIV>&<A href=3D"mailto:gt;diy_efi at diy-efi.org">gt;diy_efi at diy-efi.or=
g</A></DIV>
<DIV>><A href=3D"http://lists.diy-efi.org/mailman/listinfo/diy_efi">ht=
tp://lists.diy-efi.org/mailman/listinfo/diy_efi</A></DIV>
<DIV> </DIV>
<DIV>_________________________________________________________________</D=
IV>
<DIV>Check out Election 2004 for up-to-date election news, plus voter too=
ls and</DIV>
<DIV>more! <A href=3D"http://special.msn.com/msn/election2004.armx">http:=
//special.msn.com/msn/election2004.armx</A></DIV>
<DIV> </DIV>
<DIV>_______________________________________________</DIV>
<DIV>diy_efi mailing list</DIV>
<DIV><A href=3D"mailto:diy_efi at diy-efi.org">diy_efi at diy-efi.org</A></DIV>
<DIV><A href=3D"http://lists.diy-efi.org/mailman/listinfo/diy_efi">http:/=
/lists.diy-efi.org/mailman/listinfo/diy_efi</A></DIV>
<DIV> </DIV></TD></TR>
<TR>
<TD id=3DINCREDIFOOTER width=3D"100%">
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%">
<TBODY>
<TR>
<TD width=3D"100%"></TD>
<TD id=3DINCREDISOUND vAlign=3Dbottom align=3Dmiddle></TD>
<TD id=3DINCREDIANIM vAlign=3Dbottom align=3Dmiddle></TD></TR></TBODY></T=
ABLE></TD></TR></TBODY></TABLE></BODY></HTML>
--------------Boundary-00=_GTS9G6G0000000000000--
--===============6084396008842905==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
_______________________________________________
diy_efi mailing list
diy_efi at diy-efi.org
http://lists.diy-efi.org/mailman/listinfo/diy_efi
--===============6084396008842905==--
More information about the Diy_efi
mailing list