MCUmall EPROM BIOS Chip Burner Forum
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John32

USA
3 Posts

Posted - 10/21/2018 :  14:57:26  Show Profile  Reply with Quote
I'm trying to write a file on a M27C512. I have literally done this process thousands of times with no error. Suddenly I'm now getting this error on every chip I use:

Write failed, Address=0x000000, Buffer=0x00 Device=0xFF

The blank check function works fine and all chips are blank. What's going on?
Reply #1

anniel

1996 Posts

Posted - 10/21/2018 :  16:32:44  Show Profile  Reply with Quote
quote:
Originally posted by John32

I'm trying to write a file on a M27C512. I have literally done this process thousands of times with no error. Suddenly I'm now getting this error on every chip I use:

Write failed, Address=0x000000, Buffer=0x00 Device=0xFF

The blank check function works fine and all chips are blank. What's going on?




Same batch of chips?
Only M27C512 failing?
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Reply #2

John32

USA
3 Posts

Posted - 10/21/2018 :  18:49:03  Show Profile  Reply with Quote
I've tried different batches and different chips. All are having the exact same error. I'm wondering if my GQ 4X4 is broke?
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Reply #3

anniel

1996 Posts

Posted - 10/22/2018 :  03:06:54  Show Profile  Reply with Quote
quote:
Originally posted by John32

I've tried different batches and different chips. All are having the exact same error. I'm wondering if my GQ 4X4 is broke?



Try the hardware tests.
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Reply #4

John32

USA
3 Posts

Posted - 10/22/2018 :  19:22:38  Show Profile  Reply with Quote
The Hardware is detected and the voltage test said everything passed. I'll be honest, I don't really know what I'm doing with the hardware test. Is there something specific I should be doing?
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Reply #5

anniel

1996 Posts

Posted - 10/23/2018 :  03:38:45  Show Profile  Reply with Quote
quote:
Originally posted by John32

The Hardware is detected and the voltage test said everything passed. I'll be honest, I don't really know what I'm doing with the hardware test. Is there something specific I should be doing?



Look for discrepancies between your readings and the I/O diagnostics page.
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