HP dx6120 Network & Internet Communications Guide - Page 10
Disabling 802.3u Auto-Negotiation Capabilities, Windows XP, Windows 2000 - windows 7 drivers
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Network Communications Disabling 802.3u Auto-Negotiation Capabilities Auto-Negotiation NICs automatically determine the maximum network operating speed and duplex capabilities of the attached network and configure themselves on the highest common combination. The computer begins Auto-Negotiation whenever it obtains a valid network link, or when the NIC driver is loaded. In addition to determining the network operating speed, the computer determines if full-duplex is supported. Full-duplex systems can transmit and receive information on the network simultaneously. Half-duplex systems cannot transmit and receive simultaneously. If necessary, you can disable the Auto-Negotiation capabilities and force the system to operate in one mode only. Windows XP 1. Select Start > Control Panel. 2. Double-click Network Connections. 3. Double-click Local Area Connection. 4. Click Properties. 5. Click Configure. 6. Click the Advanced tab. 7. Select Link Speed & Duplex in the Property list box. 8. Change the speed and duplex values to the appropriate values, depending on the capabilities of the network. 9. Click OK. You may be prompted to restart the computer for the changes to take effect. Windows 2000 1. Select Start > Settings > Control Panel. 2. Double-click Network and Dial-up Connections. 3. Right-click Local Area Connection. 4. Click Properties. 5. Click Configure. 1-6 www.hp.com Network & Internet Communications Guide