Update on 101 and too long

Bruce Plecan nacelp at bright.net
Sun Mar 29 19:03:52 GMT 1998


-----Original Message-----
From: Mike Dillon <mdill at lsil.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Sunday, March 29, 1998 1:45 PM
Subject: Re: Update on 101 and too long


>
> Hi Bruce,
>
> I just got my dissesmbler, for 68XX code up and running, this
> past week and dissassembled a couple of PROMs (Not 747). If someone
> could use it let me know, I got the original code off the web somewhere

I got a copy of a 747 (dis) prom yesterday, and have been using that.
If when you have time, having a complete doc. one to use would
be a great thing for the "next" ecm..

> and just fixed up some of the sections to allow it to read Mot "S" record
> files. Whoever wants a copy would need a C compiler. (I guess I could
> pass out a compiled ver. but I don't have the time to support and there
> is no doc. on it) I am not sure what you are looking for on a O2 emulater
> I thought this would be pretty simple high Z source beteen 1-2 Volts ??

Needs to be a really smooth sine wave, 0-1V..  Garfield be a good
contact on what all is perferred.  Thanks
> (Am I missing something)
>
>Mike D
>
Thanks Bruce

>> From diy_efi-owner at esl.eng.ohio-state.edu Sat Mar 28 09:55 CST 1998
>> From: "Bruce Plecan" <nacelp at bright.net>
>>
>> Well seems that things have changed in the last 24 hours.  At this
>> point we have several people looking for ecms, and I got some
>> interesting mail.  Also, there seems to be a new interest in some
>> folks doing bench testing so we might pull this off.  Little to minor
>> hitch it will be a while before we get a "good life like" O2 signal
>> generator.  But, we can easily live with that.  Gonna take a couple
>> days for everyone to get ecms, and wiring, any way.
>>   There are more tables involved than I originally thought, but I was
>> guessing, so no big deal.  Looks to be 73 all together, plus switch
>> settings.  Some we may never figure out all of it, or need to.  We're
doing
>> this the old fashion way to a certain extent, we're brute forcing some of
>> it.  As much of it as we can find in printed manner, figure from
>> some logic, and then trial and error.  Hopefull the error factor will
>> be a min..  So if ya got some secret reserve of info, your just slowing
>> us down not stopping us.  Sounds neat being able to say that.





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