programming 101 and checksum

[Bruce Plecan]

-----Original Message-----
From: Shannen Durphey <Shannen at mcn.net>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Sunday, August 09, 1998 3:13 AM
Subject: programming 101 and checksum


>Memory location 0x004 is listed as the checksum enable for
>7747 ecm. This value is $42 in my factory files.  Does
>anyone know what the value is to disable checksum? 

AA

 Also,
>this location in 8747 ecm contains the value $4F.  Is it
>safe to assume this is checksum enable for this ecm?

I don't know, could try a chip with AA entry and see

Bruce

>Thanks 
>
>Shannen
>