I tried everything I could think of, and of course even with the NIC enabled in the BIOS nothing was working.  The light would flash when you plugin the cable for a second, but that's all.

Due to another issue I'm about to post about (server is not compatible with 1TB/1000Gig Hard Drives), I updated the BIOS.  I didn't even know the 100mbit NICs were not working until I decided I should test each NIC one by one.

I noticed that only 1 server out of the stack I have had a working 100mbit NIC.  I was thinking what are the chances of this and how could all of the 100mbit NICs be bad?  Then I realized 1 server actually worked with the 100mbit NIC and it turned out that was the one I got the latest BIOS update for.

So if you have a Tyan 2735-8M motherboard and the 100mbit NIC is not working, update your BIOS (upgrades available from the Tyan website) and you'll be good to go.

I guess this probably goes for other Tyan motherboards and even motherboards from mother manufacturers.  It is a bit ridiculous though that in the original firmware they made such an oversight that the 100mbit NIC doesn't even work.  This must have caused many sysadmins/IT techs headaches, headscratching and frustration.

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