MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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Julez

United Kingdom
2 Posts

Posted - 08/21/2009 :  17:04:27  Show Profile
Hi i am new to this, and having a few issues.

Info XP,

PCB50
Version 50A
Software 0.98D9
adaptor psop44

Trying to work on Am29F200AB so44

I can read this chip but cannot erase / write to it.

i understand that more information will be required, but do not know what, so can someone kindly tell me what info is required and i will post up info

Thanks julez

Edited by - Julez on 08/21/2009 17:10:13
Reply #1

ZLM

2945 Posts

Posted - 08/22/2009 :  02:20:15  Show Profile
First you should be able to get the ID. This will confim you have a good basic connection.

If the chip been locked, then the chip can not be erased or programmed, only read is allowed.

Turn on the Temporary Unprotect when erase.
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Reply #2

Julez

United Kingdom
2 Posts

Posted - 08/22/2009 :  04:49:44  Show Profile
Thanks for reply.
have tried with and without, unprotect box checked, still the same.

i am unable to retrive ID, so will keep checking connections and report back.

Thanks for reply.
UPDATE
It would seem that it was just a chip / adaptor connection issue.
Once that was correct chip ID was found and all other functions were also accesable.

Many Thanks To ZLM for his help

Regards Julez.

Edited by - Julez on 08/22/2009 05:39:41
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