MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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T O P I C    R E V I E W
pinguy Posted - 02/14/2010 : 18:29:33
I just received my new programmer, and have burned a few chips. However, I often receive an error message "write failed at..."
Does this happen if the chip is not blank? Do I have to erase chips first?
I have successfully copied a program on to an ST M27C256, and then not been able to copy the same program to a different ST M27C256 chip.
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ZLM Posted - 02/14/2010 : 21:21:56
The chip need to be erased before write any new data.

Do a blank check before write the data. This will tell you if the chip blank.

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