D-Link DFE-570TX User Manual page 17

Then you will able to find Intel 21143 Based PCI Fast
Ethernet Adapter...in "Network Adapters" group.
Double
click it to open its property.
4. In the "Driver" sheet of the adapter's properties, there
is a
button named "Update Driver". Click it, the Upgrade
Device Driver Wizard will show up to help updating
the driver.
The following steps will lead you through the wizard ...
1. The first page is the welcome messages, click "Next" to
continue.
2. Select "Search for a suitable driver for my device
(recommanded)", and click "Next".
3. Check "Specify a location" only. Click "Next" to
continue.
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