(i'm not sure if the chip is erasable or not, i have a doubt on that). At first view i do all what is necessary. My programmer software says that this chip can hold 64k of data (when i save the buffer to a file)ĭou you have a link where you got your homebrew kits from so i can check it out? Try getting a different chip maybe a 27c256 and seeing if that will program Without testing getting and testing one i cant really help much more other than to say if does the chip have the correct pinout for the board your using it on? even then that does not help the programming. there is a possibility that the chip your using is dead, it does happen (especially on UV EPROMS if you get them second hand) If your using a UV erasable eprom, change this to If your programmer has the same facilities as mine i would set up the job as follows: Which is a UV erasable chip, the chip your attempting to use looks to be an EEPROM so it can be erased electrically by the programmer. I have just checked and the chip i used for boulder dash was a 27c256
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