Intel Desktop Boards D865PCD Product Guide 18 RJ-45 LAN Connector LEDs Two LEDs are built into the RJ-45 LAN connector. Table 4 describes the LED states when the board is powered up and the 10/100 Ethernet LAN subsystem is operating. Table 4. RJ-45 10/100 Ethernet LAN Connector LEDs LED Color LED State Indicates Off 10 Mbit/sec data rate is selected. Green On 100 Mbit/sec data rate is selected. Off LAN link is not established. On (steady state) LAN link is established. Yellow On (brighter and pulsing) The computer is communicating with another computer on the LAN. Input/Output (I/O) Controller The super I/O controller features the following: · Low pin count (LPC) interface · One serial port · One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support · Serial IRQ interface compatible with serialized IRQ support for PCI systems · PS/2-style mouse and keyboard interfaces · Interface for one 1.44 MB or 2.88 MB diskette drive · Intelligent power management, including a programmable wake up event interface · PCI power management support Hi-Speed USB 2.0 Support NOTE Computer systems that have an unshielded cable attached to a USB port might not meet FCC Class B requirements, even if no device or a low-speed USB device is attached to the cable. Use a shielded cable that meets the requirements for a full-speed USB device. The desktop board supports up to six USB 2.0 ports via ICH5; four ports routed to the back panel and two routed to the internal USB 2.0 headers. USB 2.0 ports are backward compatible with USB 1.1 devices. USB 1.1 devices will function normally at USB 1.1 speeds. Disabling Hi-Speed USB in the BIOS reverts all USB 2.0 ports to USB 1.1 operation. This may be required to accommodate operating systems that do not support USB 2.0. NOTE USB devices are limited to USB 1.1 transfer rates prior to operating system and driver initialization.
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