MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 GQ-4x Problem writing to 28f001-bxt

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T O P I C    R E V I E W
Imanu Posted - 07/01/2010 : 04:31:18
Hello I have problems writing to p28f001-bx-t120.
To read I use a resistor between pin 1 and 30. But I can not write to the memorie.
Programmer GQ-4x
Software Re. 5.03 Beta
It does seem to write but it does not pass the verificacion and actually nothing is writen to the memorie.
Thanks for help
4   L A T E S T    R E P L I E S    (Newest First)
Imanu Posted - 07/02/2010 : 01:33:02
Works!!!!!! thanks

What is the url of hte support root to look for more help on other stuff?

tks
Imanu Posted - 07/01/2010 : 13:02:15
Tks, I will try isolating pin 30 and use the resistor jumper.
ZLM Posted - 07/01/2010 : 09:17:23
Did you see :

http://www.mcumall.com/support/28F001_PLCC32_GQ-3X.jpg

http://www.mcumall.com/support/28F001_GQ-3X.jpg


The GQ-4X will be similar.
Imanu Posted - 07/01/2010 : 04:38:01
I also have problems erasing the 28f001. It sends a message that says function not supported and I need to disconnect the programmer and reconnect to make it work again.
Thanks for help

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