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)
 Can't Program Chips

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T O P I C    R E V I E W
teknix1 Posted - 03/08/2008 : 11:50:44
I just got my new programmer and can't write anything with it.
I've tried many different devices including three different types: AM29F040B, AT29C040A and AM27C040. On the AM29C040A the programmer says that it does not support locking it. This was the reason I bought this programmer.

All I get is a write error right away except for the AM29C040A which seems to program the chip but then verify fails if I take the chip out and put it back in to the programmer.

Any ideas? If I can't fix this, I'll have to return the product.

I tried USB hubs and external power supply. Same thing.

Thanks
Nic
1   L A T E S T    R E P L I E S    (Newest First)
ZLM Posted - 03/08/2008 : 13:45:13
All those chips supported.

Check your adapter if it is a right one.

You should be able to get correct ID to confirm the pin contacting no problem.

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