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Anleitung Zusammenfassung
Failure to do so could damage the board and any attached devices. The Desktop Board’s standby power indicator, shown in Figure 5, is lit when there is standby power to the system. This includes the SO-DIMM sockets and the PCI bus connector, even though the computer appears to be off. Desktop Board Features Figure 5. Location of the Standby Power Indicator For more information on standby current requirements for the Desktop Board, refer to the Technical Product Specification on the Intel Desktop D2500CC web page at Instantly Available PC Technology Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-to- RAM) sleep-state. While in the ACPI S3 sleep-state, the computer will appear to be off (the hard drive(s) and fan will power off, the front panel power LED will blink). When signaled by a wake-up device or event, the system quickly returns to its last known state. The board supports the PCI Bus Power Management Interface Specification. Add-in boards that also support this specification can participate in power management and can be used to wake the computer. Intel Desktop Board D2500CC Product Guide LAN Wake Capabilities The board’s LAN wake capabilities enable remote wake-up of the computer through a network. The LAN subsystem network adapter monitors network traffic at the Media Independent Interface. The board supports LAN wake capabilities with ACPI in the following ways: • By Ping • By Magic Packet Upon detecting the configured wake packet type, the LAN subsystem asserts a wake- up signal that powers up the computer. Wake from USB USB bus activity wakes the computer from an ACPI S1 or S3 state. NOTE Wake from USB requires the use of a USB peripheral that supports wake from USB. Wake from PS/2 Device PS/2 keyboard activity wakes the computer from an ACPI S1, S3, S4, or S5 state. However, when the computer is in an ACPI S4 or S5 state, the only PS/2 activity that will wake the computer is the Alt + Print Screen key combination or the Power key available only on some keyboards. PME# Wakeup Support When the PME# signal is asserted on the PCI bus, the computer wakes from an ACPI S1, S3, S4, or S5 state. WAKE# Signal Wakeup Support When the WAKE# signal is asserted on the PCI Express bus, the computer wakes from an ACPI S1, S3, S4, or S5 state. Wake from Serial Port Serial port activity wakes the computer from an ACPI S1 or S3 state. Battery A coin-cell battery on the Desktop Board keeps the values in CMOS RAM and the clock current when the computer is turned off. Go to page 42 for instructions on how to replace the battery. Real-Time Clock The Desktop Board includes a time-of-day clock and a 100-year calendar. The coin- cell battery keeps the clock current when the computer is turned off. 2 Installing and Replacing Desktop Board Components This chapter tells you how to: • Install the I/O shield • Install and remove the Desktop Board • Install and remove system memory • Connect SATA drives • Install a PCI Express Mini Card • Install an Intel Z-U130 USB Solid-State Drive or compatible device • Connect to internal headers • Connect system fan and power supply cables • Set the BIOS configuration jumper • Clear passwords • Replace the battery Before You Begin CAUTION The procedures in this chapter assume familiarity with the general terminology associated with personal computers and with the safety practices and regulatory compliance required for using and modifying electronic equipment. Disconnect the computer from its power source and from any telecommunications links, networks, or modems before performing any of the procedures described in this chapter. Failure to disconnect power, telecommunications links, networks, or modems before you open the computer or perform any procedures can result in personal injury or equipment damage. Some circuitry on the board can continue to operate even though the front panel power button is off. Follow these guidelines before you begin installing the Desktop Board: • Always follow the steps in each procedure in the correct order. • Set up a log to record information about your computer, such as model, serial numbers, installed options, and configuration information. • Electrostatic discharge (ESD) can damage components. Perform the procedures described in this chapter only at an ESD workstation using an antistatic wrist strap and a conductive foam pad. If such a station is not available, you can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the computer chassis. Intel Desktop Board D2500CC Product Guide CAUTION Failure to ensure appropriate airflow may result in reduced performance of both the processor and/or voltage regulator or, in some instances, damage to the board. All responsibility for determining the adequacy of any thermal or system design remains solely with the reader. Intel makes no warranties or representations that merely foll...