Compaq 470007-802 Guide to Features&Upgrades Compaq Deskpro EN Series of P - Page 24

Interpreting the Network Status Lights Disabling the Autosensing Capabilities The rear panel has two network status lights for the RJ-45 connector. The yellow link light will illuminate when the network driver is properly configured and the system is physically connected to an active network. The green activity light illuminates when the computer detects network activity. When the system is connected to a highly used network, the green activity light will remain on almost constantly. If Remote Wakeup is enabled, the link and activity lights will remain functional even when power to the computer is turned off, as long as the computer's power cord is still connected to a power outlet. Your computer automatically senses whether the attached network supports 10 Mbs or 100 Mbs and configures itself accordingly. This process of determining the maximum network operating speed is known as autosensing. The computer begins autosensing whenever it loses a valid network link, for example, if the cable is disconnected. 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. The different modes of operation are: s 100Base-TX, full-duplex s 100Base-TX, half-duplex s 10Base-T, full-duplex s 10Base-T, half-duplex If necessary, you can disable the autosensing capabilities and force the system into a different operating mode. To set the network operating mode manually: 1. Click on the Network icon, located in the Control Panel. 2. Click on the Integrated Compaq 10/100 TX NIC Intel WOL UTP PCI Controller. 3. Select the Advanced Properties tab. 2-4 Using Network Communications