Cannot Connect to 7i76E

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7 years 10 months ago #122175 by PCW
Replied by PCW on topic Cannot Connect to 7i76E
I received the card today and it had an error I've not seen before:

Bad 93C46 EEPROM, bad in such a way that every other word of data
was 0xFFFF. Very strange because this is a on chip failure (1/2 memory array failed?)
This caused the MAC address to start with 0xFF which is invalid for non-broadcast packets,
so ARP worked but ping/UDP did not.

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7 years 10 months ago #122241 by Torq_Shep
Replied by Torq_Shep on topic Cannot Connect to 7i76E
Can it be repaired or do I need another one?

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7 years 10 months ago #122242 by PCW
Replied by PCW on topic Cannot Connect to 7i76E
Already repaired, will send back tommorow

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7 years 10 months ago #122451 by Torq_Shep
Replied by Torq_Shep on topic Cannot Connect to 7i76E
Received it and now it is letting me ping it! I will start messing around with the configuration again today or tomorrow.

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7 years 10 months ago #122754 by Torq_Shep
Replied by Torq_Shep on topic Cannot Connect to 7i76E
It worked temporarily and it is now reacting in the same way it was before. Is there any way I could have the board wired up in a way that it is causing this failure?

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7 years 10 months ago #122756 by PCW
Replied by PCW on topic Cannot Connect to 7i76E
Are you sure its the same issue? that does seem pretty unlikely
I don't see anyway a wiring error could cause EEPROM issues

Is it possible you have a power supply problem?

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7 years 10 months ago #122757 by Torq_Shep
Replied by Torq_Shep on topic Cannot Connect to 7i76E
It is possible. After a couple of restarts it seems to be working again. I will have to go through my machine and check everything else out. Thank you for being patient with me!

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