Em 4/8/2010 21:12, alan.b.pearce@stfc.ac.uk escreveu:
>>>> It seems to me that the one thing that changed was "reloading the
> library
>>>> on the Dataman S4"
>> It's starting to look like that is where the problem lies, I just dont
> know
>> what to do about it. I have reloaded the 'Library' a couple of times
> since,
>> and while it reloads with no problem and shows all the different chip
> types
>> in it's memory etc  ...  still no go.
> You are selecting the correct manufacturer from the menu for each chip?
> Even for nominally the same EEPROM different manufacturers do have
> subtly different programming algorithms and voltages.
>
> But that doesn't explain why the chips apparently program and verify.=20
>
> I would be tempted to load the master chip, read a few locations writing
> down the contents. Now turn off the programmer, power back on and read a
> failing chip. Do the memory locations read the same?

Why don't simply read the copy to a file and do a "fc /b file1 file2"?

Perhaps reboot the PC before reading the copy, to make sure no original
data remains in the RAM?


Isaac

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