MCUmall EPROM BIOS Chip Burner Forum
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 W29EE512 problem erasing and flashing
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jammie

United Kingdom
2 Posts

Posted - 06/20/2013 :  05:25:01  Show Profile
i need to flash some w29ee512 chips with a latest firmware for some scsi to ide cards

im using the willem pcb50b programmer

i use the plcc32 socket i can read the chips but cant verify or erase or flash them

i check the software protect switch to unprotect them

but get errors when trying to do other functions

if i do the id the manufacturer does not come up

or its id

is there a programmer that can identify the chip and do the correct
hardware unprotect 3 byte instruction so that htey can be erased and flashed with the latest firmware

any help would be great

and whats the best programmer for me as i also have a load of 27c040 chips to burn
Reply #1

ZLM

2945 Posts

Posted - 07/06/2013 :  17:44:29  Show Profile
GQ-4X
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Reply #2

smf_

Sweden
1 Posts

Posted - 12/05/2015 :  11:30:35  Show Profile
Did you ever solve your problem? I'm facing the same problem ATM :) i have a willem pcb 50
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