MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 GQ-3X and writing problem.		  New Topic  Reply to Topic
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Révo

0 Posts
Posted - 06/14/2012 :  03:55:28  Show Profile  Reply with Quote
Hello, I bought a GQ-3X the 10 January of this year at mcumall_electronics_inc on ebay.

I used the programmer like 30 times and now I've a problem when I want to write a eprom.

The blank check work, the software told me after writing: ''Device write completed OK'' but when I test the eprom, it's still blank...

I didn't change nothing about the configuration of the software.

I tried with 3 different computers, I tried to put a alimentation of 12v DC, I tried with different eprom (like 10 M27C1001 and 10 M27C2001)and I've always the same problem...

If you can give me some advice or test to do it's cool.

Thank you in advance for your answer.
Reply #1

ZLM

2945 Posts
Posted - 06/17/2012 :  17:43:09  Show Profile  Reply with Quote
Does it verify the chip after write?

If write fail, then it must be verified.

Do verify after write. If verify passed, then most likely you write the blank to the chip. There is no data loaded.
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Reply #2

_n3o_

10 Posts
Posted - 06/18/2012 :  01:49:46  Show Profile  Reply with Quote
ZLM i have already helped him in MP , now his gq-3X works unlike mine ...
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