MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X, GQ-3X, GQ-4X)
 gq-4x unable to read 39vf6401

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T O P I C    R E V I E W
prf1 Posted - 10/02/2017 : 03:03:56
I am unable to read flash 39vf6401 .. I was getting an error with the device id and noticed in the device text the was incorrect..have amended that and reading device id correctly now..when I try to read the programmer fails at 50 % and gives an error of " address exceeded range . Internal error.. I have checked and device text and the codesize is 8288608 which is correct
I can read it with 39vf3201 without any errors but the file size is incorrect
Please help

Thanks
2   L A T E S T    R E P L I E S    (Newest First)
prf1 Posted - 10/26/2017 : 05:24:43
Hi..It will only read as far as 50% then the GQ-4X crashes.. It will read fine when I select 39vf3201
ZLM Posted - 10/05/2017 : 07:01:01
It seems last address bit has problem. This need to be checked in software.

Does it read correctly?

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