MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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 Using The Enhanced/Dual power Willem Programmer
 SST27SF512 on Dual Power Setting
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2942 Posts

Posted - 09/12/2006 :  00:27:31  Show Profile  Reply with Quote
The jumpers JP1-JP2 for reading/writting and Erase the SST27SF512 on Dual power programmer are different.

When doing read/write, the JP1-JP2 should be:

3.82 KB

When doing erase, the JP1-JP2 should be:

3.83 KB

Edited by - ZLM on 09/12/2006 00:28:22
Reply #1


17 Posts

Posted - 09/14/2006 :  15:10:29  Show Profile  Reply with Quote
still getting error message. When i try to erase it says setting jumper for w27e, Can only read, cant write, erase or anything. fails blank check.what else can i do to get this working?
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Reply #2


2942 Posts

Posted - 09/15/2006 :  11:11:05  Show Profile  Reply with Quote
Please provide exact error message when write error.
Also,remove the chip and check the Vpp if it is around 12.5V in the Test H/W page.
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Reply #3


6 Posts

Posted - 03/08/2007 :  13:49:10  Show Profile  Reply with Quote
Is black where the jumper is?
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Reply #4


2942 Posts

Posted - 05/16/2007 :  21:00:28  Show Profile  Reply with Quote
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