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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 FM27C040 will only program at -2 speed. take 70min		  New Topic  Reply to Topic
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BKues

USA
2 Posts
Posted - 11/26/2015 :  03:03:49  Show Profile  Reply with Quote
so I got a bunch of new FM27C040 and they always fail verification if programmed at a higher speed then -2. Anyone have any idea on how to fix this? specifically it is a FM27C040Q 90
Edited by - BKues on 11/27/2015 13:14:06
Reply #1

ZLM

2945 Posts
Posted - 11/26/2015 :  11:34:58  Show Profile  Reply with Quote
What is your exact error message? What is your software version?
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Reply #2

BKues

USA
2 Posts
Posted - 11/26/2015 :  23:24:44  Show Profile  Reply with Quote
quote:
Originally posted by ZLM

What is your exact error message? What is your software version?
the error while verifiying is "Verify Failed" the last one that failed when I tried -1 was "Verify Failed, Address=0x06D41E, Device=0xE6, Buffer=0x66"

I dont know if this was the same on each one
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