Check Sum/Dev. Verify

god910 · February 13, 2004, 08:36:29 PM

Well, I got a chip from someone and am going to be installing a 29C256 and the manual code. Anywho, the chip he sent me is different from my own (ATMK 5205, w/ Delco J251 covering the window) but he says it's a stock TGP chip. One BIG difference noticed is there is a resistor on my MEMCAL, it's on the side opposite the chip. It's soldered down into the jumper area of the MEMCAL, but is factory installed for sure as it's covered w/ the silicon that covers that end of the chip. Here's my questions: 1) I have a pocket Programmer 2, and when I move the device from the chip to the buffer, I get a different checksum every time. Furthermore, when I goto verify the device and the buffer, it won't verify. Does anyone know why this would be happening? I never had any problems w/ my chip, but this one is acting up. TIA.

turby · February 13, 2004, 08:40:15 PM

You still gonna make me a chip?

god910 · February 13, 2004, 08:47:00 PM

C, senior, de nada. I just loaded my manTGPorg.bin and it loaded fine, and checksum came up good. So, I'm guessing something is wrong w/ this chip.

z24turbo93 · February 14, 2004, 04:24:24 PM

It should be a tgp chip....atleast i hope it is. I took it from the tgp that i bought...

If it is bad i can check to see how much chips are from gm.

z24turbo93 · February 14, 2004, 06:26:49 PM

okay i checked a book for that number 5205 atmk.......and it says that it is a 89-90 tgp chip with federal emmisions so i don't know what is up with it. But jay what are the numbers off of your chip. There are like 3 different tgp chips with federal emissions. And they also have different chips for california emisions.

god910 · February 14, 2004, 08:37:37 PM

143 ($8F) 1989-90 3.1 V6 PFI turbo ?V? LG5 1227727 27C256 $8000 $8008 $8000:$8001 AUAF
From: http://www.cruzers.com/~ludis/p4xref.html

The ATMK is on there as well, but I'm not gonna touch this until I find out what is going on. I'll fiddle more w/ it tonight.

z24turbo93 · February 14, 2004, 08:58:47 PM

so your sources say it is a tgp chip also??? I will see on monday how much gm wants for one.

god910 · February 19, 2004, 07:35:40 PM

Okay, so does anyone won't to try and run there bin and see if they compare to mine. If anyone wants to send me a .bin of there STOCK chip I would like to verify it. I can rip the chip and burn it, and everything looks okay, but if I "move" the .bin it comes up different EVERY time. I can't even find a common err point. It's just random. It even shows different data locations every time I Verify it. Man, I don't know what I'm unna do. I don't want to remove/solder a new chip in if it's something else. But then again that might fix it. I don't know. Tips???

z24turbo93 · February 24, 2004, 08:05:04 PM

chips are 60 dollars from gm. I just need the number of what your chip is jay so we are sure the program will work with it