MCUmall EPROM BIOS Chip Burner Forum
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gusdaver

Greece
5 Posts

Posted - 09/06/2017 :  11:25:41  Show Profile  Reply with Quote
Hi,

It is the first time that I try to write Flash eprom M29f400BB with psop44 but I receive message ''write address failed 0x002000''
The steps that I do is :
1. I choose the flash thatI will work
2. I put the eprom in adapter psop44
3. I read the eprom
4. I erase the eprom
5. I do blank check
everthing is ok
6.I try to write eprom and I receive the message above.
I have try to remove the adapter psop44 and epro 29f400 and put it again to the programmer but the problem still remain.

Could someone help me to solve this propblem




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Reply #1

gusdaver

Greece
5 Posts

Posted - 09/06/2017 :  22:25:30  Show Profile  Reply with Quote
Hi,

The problem solved after clean the pins of eprom.
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Reply #2

anniel

1996 Posts

Posted - 09/15/2017 :  06:37:07  Show Profile  Reply with Quote
quote:
Originally posted by gusdaver

Hi,

The problem solved after clean the pins of eprom.



+1 Many times oxydation is a problem.
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