Cannot Connect to 7i76E

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10 Dec 2018 23:38 - 10 Dec 2018 23:38 #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.
Last edit: 10 Dec 2018 23:38 by PCW.

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12 Dec 2018 00:24 #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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12 Dec 2018 00:34 #122242 by PCW
Replied by PCW on topic Cannot Connect to 7i76E
Already repaired, will send back tommorow
The following user(s) said Thank You: joekline9

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15 Dec 2018 18:56 #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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22 Dec 2018 19:31 #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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22 Dec 2018 19:52 #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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22 Dec 2018 20:20 #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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