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		  Forum Locked
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ZLM

2945 Posts
Posted - 09/12/2006 :  00:27:31  Show Profile
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

starchland

17 Posts
Posted - 09/14/2006 :  15:10:29  Show Profile
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?



Torontoaccords.com
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Reply #2

ZLM

2945 Posts
Posted - 09/15/2006 :  11:11:05  Show Profile
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

Chezedik

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

ZLM

2945 Posts
Posted - 05/16/2007 :  21:00:28  Show Profile
Yes.
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