Compaq d530 Network & Internet Communications Guide - Page 9
Disabling 802.3u Auto-Negotiation Capabilities, Start > Settings > Control Panel - network controller driver
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Network Communications ■ Operating Speed light-illuminates during 1000 Mbps or 100 Mbps operation. The color of the light identifies the operating speed. Some NICs include only two network status lights where link (light on) and activity (light blinking) are indicated by one light and 1000-Mbps or 100-Mbps operation is indicated by the second light. The integrated NIC has two network status lights on the NIC connector: ■ Link/Activity light-Illuminates green when physically linked to the network and blinks on and off to indicate network activity. ■ Operating Speed light-Illuminates green when operating at 1000 Mbps, yellow when operating at 100 Mbps, and is not illuminated when operating at 10 Mbps. 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 2000 1. Select Start > Settings > Control Panel. 2. Double-click Network Connections. 3. Double-click Local Area Connection. 4. Click Properties. 5. Click Configure. 6. Click the Advanced tab. Network & Internet Communications Guide www.hp.com 1-5