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For information on reinstalling audio drivers, reconfiguring the audio controller, or using the audio utilities provided with your system, see “Using the Audio Controller” in your online System User’s Guide. 1,& Your system may have an integrated 10/100-megabit-per-second (Mbps) 3Com PCI 3C905B-TX Ethernet NIC. The NIC provides all the functions of a separate network expansion card and supports both the 10BASE-T and 100BASE-TX Ethernet standards. The NIC includes a Wakeup On LAN feature that enables the computer to be started up by a special LAN signal from a server management console. Wakeup On LAN provides remote computer setup, software downloading and installation, file updates, and asset tracking after hours and on weekends when local area network (LAN) traffic is typically at a minimum. The NIC connector on the computer’s back panel has the following indicators (see Figure 4-1): . A yellowactivity indicator flashes when the system is transmitting or receiving network data. (A high volume of network traffic may make this indicator appear to be in a steady “on” state.) . A green link integrity indicator lights up when there is a good connection between the network and the NIC. When the green indicator is off, the computer is not detecting a physical connection to the network. )LJXUH,23RUWVDQG&RQQHFWRUV keyboard connector mouse connector serial port 2 connector USB connectors (2) parallel port connector optional integrated NIC connector line-out jack microphone jack video connector line-in jack link integrity activity indicator indicator serial port 1 connector 1HWZRUN&DEOH5HTXLUHPHQW. Your computer’s NIC connector (an RJ45 connector located on the back panel) is designed for attaching an unshielded twisted pair (UTP) Ethernet cable. Press one end of the UTP cable into the NIC connector until the cable snaps securely into place. Connect the other end of the cable to an RJ45 jack wall plate or to an RJ45 port on a UTP concentrator or hub, depending on your network configuration. Observe the following cabling restrictions for 10BASE-T and 100BASE-TX networks. &$87,217RDYRLGOLQHLQWHUIHUHQFHYRLFHDQGGDWDOLQHVPXVWEHLQVHSD. UDWHVKHDWKV. . For 10BASE-T networks, use Category 3 or greater wiring and connectors. . For 100BASE-TX networks, use Category 5 wiring and connectors. . The maximum cable run length (from a workstation to a concentrator) is 328 feet (ft) (100 meters [m]). . The maximum number of workstations (not counting concentrators) on a network is 1024. . For 10BASE-T networks, the maximum number of daisy-chained concentrators on one network segment is four. 6HWWLQJWKH1HWZRUN)UDPH7\S. If your system is connected to a network, verify the following network protocol settings: . 5LJKWFOLFNWKH1HWZRUN1HLJKERUKRRGLFRQRQWKH:LQGRZVGHVNWRS. DQGFOLFN3URSHUWLHV. . &OLFNWKH3URWRFROVWDELQWKH1HWZRUNZLQGRZDQGVHOHFW1:/LQN,3;. 63;&RPSDWLEOH7UDQVSRUWSURWRFROLILWLVQRWDOUHDG\VHOHFWHG. . &OLFN3URSHUWLHVWRRSHQWKH1:/LQN,3;63;FRPSDWLEOH3URWRFRO. 3URSHUWLHVZLQGRZ. . &OLFNWKHGRZQDUURZQH[WWRWKH)UDPH7\SHWH[WER[DQGVHOHFWWKH. DSSURSULDWHIUDPHW\SHDFFRUGLQJWR\RXUQHWZRUNUHTXLUHPHQWVIURP. WKHGURSGRZQOLVW7KHQFOLFN2.. See your network administrator if you need more information on which frame type to select. 8VLQJ&RP(WKHU'LVN;/9HUVLRQ'LVNHWWH. The 3Com EtherDisk XL version 3.01 diskettes provided by Dell are compatible with the 3C905 family of NICs. If you purchased a 3Com 3C905-based NIC separately, do not attempt to use the 3Com EtherDisk XL diskettes that came with the NIC. Use only the 3Com EtherDisk XL version 3.01 diskettes that were provided by Dell. 4-4 Dell OptiPlex GX1 and GX1p Mini Tower Managed PC Systems Reference and Installation Guide &RQILJXULQJWKH1,. This subsection provides instructions for configuring or reconfiguring the computer’s integrated NIC under the following operating systems: . Microsoft Windows NT . Microsoft Windows 95 or Windows 98 . Microsoft Windows for Workgroups ™ . MS-DOS® NOTE: The NIC drivers for systems running a Dell-installed Windows NT 4.0 or Windows 95 operating system are automatically detected and installed. Instructions for reconfiguring the NIC driver are included in the following subsections. :LQGRZV171,. NOTE:If youare installing the Windows NT 4.0 operating system for the first time, you must install Windows NT 4.0 Service Pack 3 and the Bus-Mastering enhanced integrated drive electronics (EIDE) device drivers prior to installing the Windows NT 4.0 NIC driver. To connect your system to, and reconfigure it for use on, an Ethernet network, you must complete the following steps: . 8VHWKH3URJUDP'LVNHWWH0DNHUORFDWHGLQWKH'HOO$FFHVVRULHVIROGHU. WRPDNHDGLVNHWWHFRS\RIWKH1,&GULYHUVLQVWDOOHGRQ\RXUKDUGGLVN. GULYH. . &RQQHFWWKHQHWZRUNFDEOHWRWKHEDFNRI\RXUFRPSXWHU. See “Network Cable Requirements” found earlier in this section for more information. . 9HULI\WKDWWKH1,&LVHQDEOHGLQWKH6\VWHP6HWXSSURJUDP. See Chapter 2, “Using the System Setup Program,” for more information. . 6WDUW:LQGRZV17DQGORJLQDVXVHU$...

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