MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 Problem burning 27C256

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T O P I C    R E V I E W
cucaracha Posted - 01/24/2009 : 05:03:52
I have a GQ-3X programer and know when I try to burn 27C256 eprom at 51% gives the error write failed adress=0x004023, buffer=0x05 device=0x00 even if i change eproms I allready tried two.

Please help
Best regards.
cucaracha
1   L A T E S T    R E P L I E S    (Newest First)
ZLM Posted - 01/24/2009 : 17:20:45
If bothe chips failed at different location, then check the chip pin contact in ZIF socket.
Also, use slower speed or try use a external power see if it makes different.

Does programmer program any other chips?

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