Beginner's links

[Jemison Richard]

Thanks Bill.  Very helpful sites.  Spent much of the afternoon looking both
them over.  It's gonna take another reread ...... or two. ha!

Rick


> -----Original Message-----
> From:	Bill the arcstarter [SMTP:arcstarter at hotmail.com]
> Sent:	Tuesday, November 03, 1998 11:22 AM
> To:	diy_efi at efi332.eng.ohio-state.edu
> Subject:	Beginner's links
> 
> It was written:
> >If you actually want to modify the data in the chip you first of all 
> have 
> >to read it. Secondly you have to know what you want to modify and 
> >where this data is situated in the EPROM. If you kow all this data 
> >you have to figure out what each of the values mean. Then you can 
> >edit the EPROM data with an HEXadecimal editor. Finaly you can 
> >reprogram the erased EPROM and see whether you have created 
> >an explosion.
> 
> Yes.  Two links off the diy_efi page have some excellent introductory 
> information on this process.  I learned a lot by reading through these 
> links:
> 
> http://efi332.eng.ohio-state.edu/diy_efi/oem/gm/prog_101.html
> http://efi332.eng.ohio-state.edu/diy_efi/oem/gm/tunetip.html
> 
> Also -be advised there may be a checksum calculation to be performed and 
> programmed into the eprom prior to running it.  One of the above links 
> has info on that too!
> 
> -Bill
> 
> 
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