I have a Dell D830 which has a Broadcom 57xx Ethernet NIC. I just noticed that the speed of the controller is listed as 100 Mb. When I went to the device manager, I found the following: Device:Broadcom NetXtreme 57xx Gigabit Controller Driver: Microsoft ver 10.100.3.0 (b57nd60a.sys) Properties.Advanced.Speed&Duplex: Auto (The drop down box lists 10 Mb Full, 10Mb Half, 100 Mb Full, 100 Mb Half, Auto) Loading the driver from Broadcom gives the same result. Is there a registry setting that limits the maximum controller speed. Ricoh Aficio Mp C2051 Driver Windows 10. Everything should be ok.
The default speed is 1gb. Use the auto setting. The other choices are to limit the speed and duplex. Check the Network and Sharing center >Network connections. Click on the blue highlighted network connection phrase and it will display the current connection status. It should show 1gb, provided that you are connected to a 1gb router or switch. I used the latest Vista drivers from Dell support as they may have spec'd the card differently to work with their motherboard.
The package provides the installation files for Broadcom NetXtreme 57 xx Gigabit Controller Driver 18.104.22.168. Go to Device Manager (right click on My Computer, choose Manage and then find Device Manager in the left panel), or right click on Start Menu for Windows 10 and select Device Manager. Install Broadcom NetXtreme 57xx Gigabit Controller driver for Windows 10 x64, or download DriverPack Solution software for automatic driver installation and update.