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 Using The Enhanced/Dual power Willem Programmer
 Help with erasing 27SF512 ?		  Forum Locked
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moparzrule

USA
4 Posts
Posted - 12/12/2007 :  06:14:00  Show Profile
Hello first off I'd like to say I researched and couldn't find an answer that worked for me. Perhaps it's because I couldn't find anybody else using the enhanced dual power programmer. Found lots using the enhanced universal, and the standard DP. Here's a link to the enhanced DP-
h**p://www.mcumall.com/comersus/store/comersus_viewItem.asp?idProduct=3199
OK, so I'm trying to use 27sf512 chips, but they won't erase. I'm using the .97ja software. I have the DIP switch set correctly and it goes through 0-100% and says device erase OK, but then I do the blank check and it says device NOT empty. I can't burn anything on now because it says error at ''000000 chip=0x04 buffer=0x52'' and I don't know what that means. Any help would be appreciated, thanks!
Edited by - moparzrule on 12/12/2007 12:28:13
Reply #1

moparzrule

USA
4 Posts
Posted - 12/12/2007 :  12:54:23  Show Profile
I'm thinking I have some jumpers in the wrong spot. But I do add a jumper to the J1 in the vertical position to erase, but do I need to remove one somewhere and/or move another pin? Which one sets this to 12.75v, shouldn't it come preset to 12.75 though? Something isn't right that it's not erasing but I cannot figure it out.
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Reply #2

moparzrule

USA
4 Posts
Posted - 12/12/2007 :  13:04:07  Show Profile
Actually I just tried another chip and it erased and I did the blank test and it said device is empty. But now I cannot seem to load my BIN on the chip. I'm using an offset of 8000. But it says-
error at 0x000000 chip=0x00 buffer0x52

Anybody know what that means? I would REALLY appreciate info on this!
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Reply #3

moparzrule

USA
4 Posts
Posted - 12/12/2007 :  13:17:49  Show Profile
Figured it out, J4 jumpers not set the PCB3!
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