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Re: Troublesome Eprom
Don't feel bad--I've been there, too <g>.
LW
-----Original Message-----
From: Shannen Durphey <shannen@grolen.com>
To: gmecm@diy-efi.org <gmecm@diy-efi.org>
Date: February 28, 2000 12:31 AM
Subject: Re: Troublesome Eprom
>I read it, then verified the read against the chip. After getting
>way off track, I found the saved .BIN was bad by trying to verify the
>checksum. By then, I'd erased the chip, so the original calibration
>was lost. I guess I'll have to use trial and error to find out what
>it is now. I guess in the worst case it becomes a candidate for a ZIF
>socket.
>Shannen
>
>Programmer wrote:
>>
>> Were you able to read it ?? Read it, check it with a checksum
>> program and check the file length. It could be a 128K or 256K chip.
>>
>> -----Original Message-----
>> From: Shannen Durphey <shannen@grolen.com>
>> To: gmecm@diy-efi.org <gmecm@diy-efi.org>
>> Date: February 26, 2000 8:14 PM
>> Subject: Troublesome Eprom
>>
>> >I've got a Delco marked and numbered Eprom here. It came from a '165,
>> >so I'd expect it to be a 16K chip, but I can't seem to program it.
>> >The numbers are as follows:
>> >DELCO
>> >40581
>> >E 5012A
>> >L6020078S
>> >
>> >Has anyone else run into a similarly numberd chip? Were you able to
>> >reprogam it? Any other helpful clues?
>> >
>> >Thanks,
>> >Shannen
>>
>---------------------------------------------------------------------------
>> >
>> >
>>
>