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Half duplexing Intel Network Cards

By antonio.lewis@imtechnolog ·
How do you get Intel Pro 100+ cards to accept half duplex? At my place of employment we are trying to get these cards to go to half duplex, but everytime we do select half duplex upon rebooting the system tells us that the card settings are wrong and will not connect to the network? Any clue as to what we are doing wrong?

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Half duplexing Intel Network Cards

by grooverr In reply to Half duplexing Intel Netw ...

Either you haven't set up the add/remove hardware or your IRQ's are conflicting. Go to device manager and check resources.

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Half duplexing Intel Network Cards

We did this from the begginning and to no avail. Thanks for the advice though.

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Half duplexing Intel Network Cards

by eBob In reply to Half duplexing Intel Netw ...

It sounds like the NIC is saying "I am trying to talk with the network but the network does not want to talk to ME!"

Obviously you've confirmed that the hub/switch into which these boxes are connecting are also set to 1/2 duplex. I ask because sometimes your network boxes are set to "auto". Auto works only sometimes, so you can hard code this, at both ends to force the issue.

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Half duplexing Intel Network Cards

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Half duplexing Intel Network Cards

by bowieb In reply to Half duplexing Intel Netw ...

Check to make sure that you also have the speed set correctly for the card. If you manually set it to half-duplex, you also have to manually specify 10Mb/s or 100Mb/s.

I will also second what eBob said. Check your switch and manually set it forhalf-duplex as well.

This is actually the easier way to do things. You may even want to leave the cards set to auto and just set the switch to half-duplex. That is the way we have things configured at our office and the Pro100 cards work fine.

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Half duplexing Intel Network Cards

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