[Gmecm] P6 ECM information?

[William Lucke]

What is "modula"?
Is there a "family tree" of GM ECMs, from the earliest digital (which 
was...?) through the modern ones?


Will



> From: "Steve Ravet" <Steve.Ravet at arm.com>
> Subject: RE: [Gmecm] P6 ECM information?
> 
> Ryan, are you writing your own code that you've run out of memory and
> CPU cycles?  The 32 bit computers should have plenty of both, and there
> are tuners available for them.  tunercat has a package for the 96 and 97
> pickups, and probably others as well.  I'm currently working on a USB<->
> VPW cable that can be used for scan tool and reflashing functions on
> these computers.
> 
> These computers are programmed in a version of modula, so there won't be
> any commented disassemblies.  I do have some information on the
> internals of these PCMs, I need to get it posted one of these days.
> 
> --steve 
> 
>> -----Original Message-----
>> From: gmecm-bounces at diy-efi.org 
>> [mailto:gmecm-bounces at diy-efi.org] On Behalf Of Ryan Hess
>> Sent: Tuesday, April 04, 2006 9:28 PM
>> To: gmecm at diy-efi.org
>> Subject: [Gmecm] P6 ECM information?
>>
>> Hi everone,
>>   
>>   I'm investigating possible upgrades for my P4 computer.  At 
>> the  moment it doesn't have enough processor power or free 
>> space.  I  found some information about the P6 family with 
>> dual processors and a  27512 eprom and/or flash memory.  
>>   
>>   Now as far as I know, these are the ECMs you'd find on the 
>> OBDII LT1's  and other cars.  Or maybe I'm all mixed up and 
>> what I'm really  talking about is a P66?
>>   
>>   At any rate, if the dual processor ECM is the LT1 ECM, I 
>> know these  have been hacked, or at least enough to create 
>> the programs out there  such as LT1edit (?).  Are there any 
>> commented  disassemblies???  Maybe more importantly, are 
>> there any schematics  of these ECMs?  Or ANY ECM a few steps 
>> above the P4?
>>   
>>   Thanks,
>>   Ryan