unknown computer

[Fran and Bud]

Which reference book has this data?  and where do you buy it?
Bud
----------
>From: Shannen Durphey <shannen at grolen.com>
>To: diy_efi at esl.eng.ohio-state.edu
>Subject: Re: unknown computer
>Date: Wed, Mar 31, 1999, 7:42 PM
>

>cwagner at info2000.net wrote:
>> 
>> I was given a GM computer that was not labelled and don't know
>> what kind it is.  The EPROM chip has a label with ABYU on it.  I
>> could use some ideas on what computer it is and what it was used
>> in and if it could be reprogramed easily.
>
>Found my reference book.  ABYU/4317 and ABYU/9010 fit 1986 3.8l HO
>(VIN 3) A body cars (Buick Century).ECM# is 1227148
>Shannen
>