MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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tahir

United Kingdom
45 Posts
Posted - 04/18/2012 :  13:36:18  Show Profile
Hi could anyone help me I'm programing a mx29lv160 when I erase chip it says erase ok but fails blank check it program s ok but fails on verify but compares good is it possible the chip is faulty thanks
t.hussain
Reply #1

ZLM

2945 Posts
Posted - 04/20/2012 :  23:01:18  Show Profile
if blankcheck failed, then the erase is fail.

If the chip is locked, then you need to unloack the chip before write it.
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Reply #2

ZLM

2945 Posts
Posted - 05/01/2012 :  20:14:40  Show Profile
Not sure the FlashPRo 400+. I am only know the GQ-4X. On GQ-4X, there is a unlock feature, it can unlock whole chip.
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Reply #3

vendest

5 Posts
Posted - 01/15/2017 :  15:39:22  Show Profile
Hi guys, I'm new here.
Bumping on this old thread as I'm having a similar issue
Trying to program a MX29LV160TM with TOP 3100.
The program seems to be writing upon verifying the chip is still blank.
Understand from above that the eeprom could be locked/protected. Is there a way to unlock the chip from topwin7?

Thanks,
Jerome
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Reply #4

ZLM

2945 Posts
Posted - 01/22/2017 :  18:36:28  Show Profile
Try on new chips. Brand new chip never in a locked state.
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Reply #5

vendest

5 Posts
Posted - 01/25/2017 :  02:10:13  Show Profile
quote:
Originally posted by ZLM

Try on new chips. Brand new chip never in a locked state.


Thanks for the information about new chip.
I have tried a bunch of new chips but still having the same issue.
Even tried 2 different SOP44/DIP40 adapters.
The chip is recognized properly but the data programmed passes thru.
I've been using this programmer to burn regular Eprom mainly with no problem. I
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Reply #6

vendest

5 Posts
Posted - 02/01/2017 :  08:07:12  Show Profile
Managed to program successfully a MX29F800TMC-90 with TOP3100.
The programmer might just not be compatible with MX29LV160TM.
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