1226870/1227165 conversion

[Shannen Durphey]

I use hex workshop to load the bin, copy it, and paste it back onto
the end of itself.  This makes a .bin of 2x the size, it works great
for me.
Shannen

Romans, Mark wrote:
> 
> I have had problems when trying to substitute 256k chips for 128k chips.  I
> have had to write the data 2x to both the lower and upper parts of the chip
> in order for the car to run.
> Mark
> ----- Original Message -----
> From: "Bruce Plecan" <nacelp at bright.net>
> To: <gmecm at diy-efi.org>
> Sent: Friday, June 16, 2000 3:17 PM
> Subject: Re: 1226870/1227165 conversion
> 
> > Send me a bin of what your woking with, no promises, just Doc is outta
> stuff
> > to think about with since Gar left
> > Grumpy
> >
> >
> >
> > > Thanks Bruce.  I think I might have a problem with the chip itself also.
> > > Well, not really a problem but that it is a 256K chip instead of a 128K
> > > chip.  Seems there is talk of GM using 256K chips instead of 128K and
> > > loading the program twice to fill it up or something like that.  Any
> input
> > > on this thought?  I did read the prom and compare it again and
> everything
> > > checked out ok. -Jeff
> > >
> > > ----- Original Message -----
> > > From: Bruce Plecan <nacelp at bright.net>
> > > To: <gmecm at diy-efi.org>
> > > Sent: Friday, June 16, 2000 2:55 PM
> > > Subject: Re: 1226870/1227165 conversion
> > >
> > >
> > > > Try reading you finished memcal. the compare that to the file you
> > copied.
> > > > Maybe the burner got a bad read on things.
> > > >   The fast flashing SES is a serious problem.
> > > > If there is no error, try erasing the eprom again, and try to copy it
> > > again.
> > > > Grumpy
> > > >
> > >
> > >
> >
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> 
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