AIMB-503 User Manual 726.1 IntroductionThe AIMB-503 has dual Gigabit Ethernet LANs via dedicated PCI Express x1 lanes(Realtek RTL8111E-VL (LAN1) and Realtek RTL8111E-VL (LAN2)) that offer band-width of up to 500 MB/sec, eliminating the bottleneck of network data flow and incor-porating Gigabit Ethernet at 1000 Mbps.6.2 InstallationThe AIMB-503’s Realtek RTL8111E-VL (LAN1) and Realtek RTL8111E-VL (LAN2)Gigabit integrated controllers support all major network operating systems. However,the installation procedure varies from system to system. Please find and use the sec-tion that provides the driver setup procedure for the operating system you are using.6.3 Windows® 7 Driver Setup (Realtek RTL8111E-VL)Insert the driver CD into your system's CD-ROM drive. Select the LAN folder thennavigate to the directory for your OS.Note! Before installing the LAN drivers, make sure the CSI utility has beeninstalled on your system. See Chapter 5 for information on installing theCSI utility.