MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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 Using The Enhanced/Dual power Willem Programmer
 Problem SST49LF004B and Willem Enhanced
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dumaster

3 Posts

Posted - 09/19/2007 :  20:30:43  Show Profile  Reply with Quote
hello , i am Eduardo from Brasil , sorry my bad english :)

i cant erase and program a SST49LF004B , i am used PLCC32 FWH/LPC socket , used WE 0.97ja , setup in SST49LF004A , read is very slow , after read i compared with bin file but error , i try erase but error too !!!

Please help me !!!
Reply #1

ZLM

2926 Posts

Posted - 09/20/2007 :  07:21:27  Show Profile  Reply with Quote
Check the ID, you have get correct ID before doing anything.
If ID is incorrect, check the pin contact or tr do not push the chip too deep in the socket.

Or to confirm if the chip been damaged.
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Reply #2

dumaster

3 Posts

Posted - 10/08/2007 :  16:18:35  Show Profile  Reply with Quote
sorry long busy , thanks for your post !!!

chips no damage , i can use fine in my A8N-SLI , but i cant burn , erase !!!

Who find ID in chip for compare with ID show in willem program ??

Thanks !!!
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Reply #3

ZLM

2926 Posts

Posted - 10/09/2007 :  18:17:44  Show Profile  Reply with Quote
if the ID correct, then the software should show the device name:SST49LF004
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Reply #4

Devilman

1 Posts

Posted - 08/17/2009 :  11:38:30  Show Profile  Reply with Quote
Hi I have a erased my SST49LF004B after reading and copying it, but I cannot write it, I always have an error message: error at 0x00000 Chip = 0x00 buffer = 0x49

Do I need an additional power supply?

I used PLCC32 FWH/LPC socket, WE 0.97ja, setup in SST49LF004A my PCB should be version 3
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