Ethernet Problem

Hi.
I have a 800 Mhz iMac flat panel that has had a ethernet port issues for a few years, but I have been using the Airport with no problem. I now have faster Internet and would like to connect it via Ethernet, but have not been able to do so.
I ran the network diagnostics and it did not work. I have attempted to reset the PRAM and NVRAM to no avail. Are there any other options I am forgetting? Do I simply have a broken port? How fast is a USB/Ethernet adapter? Is it quicker than the first generation airport?
Thanks for your time.

Hello, 
Very few home Internet connections are faster than even the oldest Airport cards. The original Airport card is 11Mbps, USB1.1 is 12Mbps, Ethernet (in these iMacs) is 100Mbps. Most ISPs in the UK only offer "Up to 8Mbps" and this will be shared between your iMac and MB.
mrtotes

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