Wrong Mask for PCM?

[350yj]

That was ACSM not ACSN. Is there a big difference? I looked everywhere for a stock ACSN bin and was unable to find one.

I have the Moates APU1 kit. Re-reading my ACSN chip never passes the 'Verify Chip w/ Buffer' option. This may be a bug because I get the same result with a Jet Stage 2 chip I also have that Jet said matched the ACSN PROM.

My question is, are the verification failures a red herring? I have looked and cannot find an ADX or XDF file to go with the ACSN bin that I have. This may be what is causing strange timing/fuel numbers.

Should I ignore all of that and start with a fresh bin? If so, which one should I go with?

Kris

[1project2many]

I haven't looked at the differences but what I'm suggesting is that you make sure you can see spark numbers and other values with the known good file ACSM. If all you see are zeroes then you have something wrong with your tunerpro configuration. You should be using $42 definitions. If you can "Read" ACSM in Tunerpro then you probably have something wrong with the file you read from the chip and need to check your configuration for the APU1.

[350yj]

Makes sense, the ACSM file appears to have the same spark values as the ASDX file in TunerPro. I verified the switches on the APU1 and the TunerPro configuration. I did have the chip positioned incorrectly in the reader, however putting it in the correct spot made no difference to what I am seeing the timing and fuel tables.

Edit:

Added my read of the ACSN chip.

[ony]

somethings wrong,7747 uses a 4.0kb file?

[350yj]

I read this off the chip using TunerPro and the 27C256 option. Is it possible TunerPro is padding the bin file?

[ony]

is your ecm a 1227747 for sure, if it has not been modified it would use a 2732 eprom.

[350yj]

Sadly, the outer sticker is illegible. I believe it is called the "CALPAC"? It has 16060837 silkscreened on it. Also, attached some shots from the inside.