> On Fri, 17 Aug 2012, Tim Nelson wrote:
>
>> To: CentOS mailing list <centos@xxxxxxxxxx>
>> From: Tim Nelson <tnelson@xxxxxxxxxxxxx>
>> Subject: Intel D425KT Motherboard / Realtek RTL8105E
>>
>> Greetings-
>>
>> I'm attempting to get CentOS 5.5 x86 (yes, very specific version required for specific software usage scenario... don't ask) running on an Intel D425KT mini-ITX motherboard. Everything works fine, with the exception of the onboard ethernet, which is a Realtek RTL8105E chip. The stock CentOS installation attempts to use the r8169 driver, which does not work. I've been around the block a few times dealing with Realtek interfaces and their driver hell, but this one is stumping me.
>>
>> Things tried so far:
>>
>> -Adding pci=assign-busses to the kernel parameters
>> -Installing kmod-r8101 from elrepo, old and new versions
>> -Compiling driver from scratch direct from Realtek
>>
>> In every test, I end up with what *appears* to be a functioning ethernet interface (r8101 driver detects chip as RTL8105E correctly), or as reported by the software (ifconfig, ethtool, etc). But, I just cannot get any traffic to pass. There is a link light for the ethernet interface, but no actual activity when testing.
>>
>> Any thoughts?
>
> Hi Tim.
>
> If this NIC is built onto the motherboard, would it not be
> easier just to find an (PCI?) expansion slot NIC that is
> known to work out of the box on Centos 5.5 and use that
> instead?
Or the other option could be to use a USB to RJ45 adaptor
instead of the onboard NIC?
http://www.amazon.co.uk/USB-LAN01-Usb-lan-RJ45/dp/B000CCZP88/ref=sr_1_3?ie=UTF8&qid=1345222425&sr=8-3
Keith
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