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Can Connect, Limited or no Connectivity

Asrock / Coredual
March 22, 2010 at 07:48:06
Specs: Windows XP
I have a machine with an ASRock CoreDual. It began to fail to connect to my router. Have had some issues off and on, but seemed external to machine. New cable run to house, line tested by cable co. all good. Have 4 machines, 3 direct ethernet, one wireless. This is only macnine with problem. Have switched cables from working machine to this, other machine still works, this does not. Replaced with new board of same make. Was iffy on connection. Brought it into work where I have a computer lab. We figured out that the driver loaded by Win 7 was not good, so reloaded with driver from MB dvd and it connected right up. Ran fine for about a week, then all of a sudden reverted to its old ways. Reverted to XP, brand new load, different HD, same problem. Have replaced board again with EVGA nForce 730i. EVERYTHING has been changed in the machine, board, ram, cables, except for the CPU. I do not have the new board fully running yet, but with the ethernet cable connected, the boot hangs on the DHCP kinda like I am going to experience a similar issue. On the second board, I had disabled the NIC, I uninstalled and reinstalled the NIC, reloaded drivers and even put in a 3c905-tx PCI card with no luck.

My question is, is there possibly something with the CPU that could be causing this? It is a Core 2 Duo e6600 and I have seen absoutely nothing wrong with the functioning of the processor otherwise and never heard of a processor causing this type of issue. But, this is this the only thing that I have not replaced.

Open to any suggestions!!

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March 22, 2010 at 12:38:24
I have talked with both. That is one reason why the ISP ran a new much beefier cable into the house an checked the throughput which is running at the top speed that they offer. Board people seem to think that it is the NIC circuit, but replacing the board was only a temporary fix. Could be that, I will get a more definative answer when I get the third board fully functional (different manu. new memory, etc.). If that one has a problem, then it has to be something else. At this point, I have now ruled out the CPU. Thanks for your input.

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March 31, 2010 at 19:59:23
Depending on the main computer it could be Requesting a DHCP IP address from the network and not reciving one as it either isn't in the list to recieve from the server or from other network issues,

Thereby causing your computer to hang for a second booting up the network card until the computer recieves no responce from the others and picks up a PIPPA address which is an IP address outside all normal IP ranges when a computer cannot recieve an IP address from a DHCP server.

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March 31, 2010 at 20:17:01
Thanks for your input! I could get a ping and the nic was sending, just not receiving. As it turned out, the nic circuuit was bad. My original board was the same model. I had it for 1 1/2 yrs and it began to experience ramdom problems, mostly with the USB ports. When the nic failed, I got a new board and it initially worked fine. A week later it failed. I was hoping that it was not the NIC, but I bought an evga board, moved the CPU and it has been working fine from the get-go. Fortunately it failed within the 30 day period for return. I appreciate your taking time to respond. --Mickey

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