MCUmall EPROM BIOS Chip Burner Forum
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 WANT HELP 29l3211 adp 019 v4,1		  Forum Locked
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darleiv

Brazil
8 Posts
Posted - 01/12/2018 :  19:30:03  Show Profile
my gq 4x4 return error verify all eproms 29l3211
after burn
help me it prrobleman in eprom or adp 019? my seller want return adp for change
Reply #1

anniel

2572 Posts
Posted - 01/13/2018 :  05:25:23  Show Profile
quote:
Originally posted by darleiv

my gq 4x4 return error verify all eproms 29l3211
after burn
help me it prrobleman in eprom or adp 019? my seller want return adp for change


Did you set the jumper to 5V and 29L3211 positions?
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Reply #2

darleiv

Brazil
8 Posts
Posted - 01/15/2018 :  22:38:20  Show Profile
yes jumper ok. i burn many times and one sucess . after only fail fail fail. it eprom is low quality? or adp 019 have bug?
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Reply #3

anniel

2572 Posts
Posted - 01/16/2018 :  04:09:21  Show Profile
quote:
Originally posted by darleiv

yes jumper ok. i burn many times and one sucess . after only fail fail fail. it eprom is low quality? or adp 019 have bug?


Some chips seem fine and others seem to need out of spec. voltage, did you try another source for the chips or different resistors?

http://www.mcumall.com/forum/topic.asp?TOPIC_ID=5230
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