Ang: RE: [Gmecm] New ROM-code in a 1227747?

[Per Lonnborg]

Wow!
That was an impressing project going on over there, a complete new TBI-code with better options than in many new EFI-system it seems!

This was a bit more than I had plans for though, so I will ask again if there is a possibility at all to change the onboard ROM with 
"something else"?

On Ludis pages there are instructions to dump the ROM-content into a computer, so I guess the hard part is to replace 
that stock ROM chip. What chip is that btw?

I might add that I am quite new to both diy-efi and assembler programming, so maybe some of my 
questions seems strange!

Thanks,

/Per

>--------------------------------
>Fr?n: turbotuneusltd at triad.rr.com
>Datum: 2005-nov-25 14:46
>Till: "Per Lonnborg"<perlon at passagen.se>, <gmecm at diy-efi.org>
>?rende: RE: [Gmecm] New ROM-code in a 1227747?
>
>Check out this link... 
>
>
>    http://thirdgen.org/techbb2/showthread.php?s=&threadid=321767
>
>Much more than just a code change, but if that is what you want, 
then that
>forum is a very good place to learn how to make changes. If you search the
>archives you might find what you want to do has 
already been done. 
>
>Mark
>
>
>
>-----Original Message-----
>From: gmecm-bounces at diy-efi.org [mailto:gmecm-bounces at diy-efi.org] On Behalf
>Of Per Lonnborg
>Sent: Friday, November 25, 2005 6:27 AM
>To: gmecm at diy-efi.org
>Subject: [Gmecm] New ROM-code in a 1227747?
>
>Hi, 
>
>is 
it common/possible out there to insert altered ROM-code in a "new" ROM to
>get new funtionality in my TBI?
>
>My plan is to use the 
>EGR
(A4) and/or the EAC(C2) outputs to regulate my electric radiator fan
>instead. ( Since the 747 is put in a ?75 Monza, i dont need these 
>emission components by swedish law).
>
>For what I have seen, the code for EGR activation is starting at EB59 which
>would be ROM-code.
>
>/Per
>
>
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