GQ-4X and TMS 2516 eproms

RedlandMan

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I was able to program them when i first got my programer but now it says it programed it and verifies it but eproms dont work. Ive used lots of different chips but no results. Im using the same files i used before. I even had a factory eprom on my centipede pcb which self test said was bad .Installed one from another board and checked out good on test mode. Now if i get the bad eprom and verify it against my rom image it verifies ok with the programer. I would like to hear other guys results or sollutions
 
Are you connecting external power?

disconnect the USB, and connect external power, does the power light come on?
 
If your using the latest software try downgrading and see if that helps. Maybe a bug in the new 6.0 version?

Or download the latest version if you don't have it.
 
got it working . Had to enable double write and use auto mode so it does the double write. Last time i used it i just hit the write button and it worked . Who knows as long as it works. Thanks to all that responded.
 
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