HELP, I erased the flash in my PCM

Beth Hempstead dave_hempstead at hp.com
Wed Jul 7 00:49:31 GMT 1999


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Please help me!!!

I wrote alot of complex code (with at least 1 bug in it) which =
successfully erased the flash in my '94 GM PCM, but did not successfully =
re-program it with new bits.  Therefore, I have a PCM which is dead. =20

I realize that I can unsolder the flash, reprogram them, and solder (or =
socket) them back in the PCM. =20

Is there any easier way to get the PCM back to listening to the ALDL???? =
 I can easily open it up. =20

What do you experts do when they try to reflash a PCM, and you get a =
glitch, power failure, or some other error code.  I doubt that you throw =
it away.  How do you recover the PCM???


Any help will be GREATLY appreciated
Dave (boy do I feel stupid) Hempstead
(formerly) '94 Caprice PCM 16188051

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<DIV><FONT color=3D#000000 size=3D2>Please help me!!!</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT color=3D#000000 size=3D2>I wrote alot of complex code (with =
at least 1=20
bug in it) which successfully erased the flash in my '94 GM PCM, but did =
not=20
successfully re-program it with new bits.&nbsp; Therefore, I have a PCM =
which is=20
dead.&nbsp; </FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT color=3D#000000 size=3D2>I realize that I can unsolder the =
flash,=20
reprogram them, and solder (or socket) them back in the PCM.&nbsp; =
</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Is there any easier way to get the PCM back to =
listening to=20
the ALDL????&nbsp; I can easily open it up.&nbsp; </FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>What do you experts do when they try to reflash a =
PCM, and you=20
get a glitch, power failure, or some other error code.&nbsp; I doubt =
that you=20
throw it away.&nbsp; How do you recover the PCM???</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Any help will be GREATLY appreciated</FONT></DIV>
<DIV><FONT size=3D2>Dave (boy do I feel stupid) Hempstead</FONT></DIV>
<DIV><FONT size=3D2>(formerly) '94 Caprice PCM =
16188051</FONT></DIV></BODY></HTML>

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