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Fabricante : Intel
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The VGA port is enabled for POST whenever a monitor is attached, regardless of the DVI-D connector status. PCI Express* x16 Graphics Intel Core i7, Intel Core i5, Intel Core i3, and Intel Pentium processors in an LGA1155 package support discrete add-in graphics cards via the PCI Express 2.0 x16 add-in card connector. The board supports the following PCI Express speeds: • PCI Express 2 frequency of 2.5 GHz which results in 5.0 Gb/s in each direction (500 MB/s) per lane. The maximum theoretical bandwidth on the interface is 8 GB/s in each direction, simultaneously, when operating in x16 mode. • PCI Express 1 frequency of 1.25 GHz resulting in 2.5 Gb/s each direction (250 MB/s) per lane. The maximum theoretical bandwidth on the interface is 4 GB/s in each direction, simultaneously, when operating in x16 mode. Audio Subsystem The board supports Intel High Definition Audio through a Realtek ALC892 audio codec. The Realtek ALC892-based audio subsystem provides the following features: • 6-channel audio with independent multi-streaming stereo • Advanced jack sense for the back panel audio connectors that enables the audio codec to recognize the device that is connected to an audio port. The back panel audio connectors are capable of retasking according to the user’s definition, or can be automatically switched depending on the recognized device type. • Stereo input and output via back panel connectors • Headphone and Mic in functions for front panel audio connectors • A signal-to-noise (S/N) ratio of 90 dB The board provides onboard audio headers and back panel connectors. The onboard audio headers include the following: • Front panel audio (a 2 x 5 pin header that provides headphone and mic in signals for front panel audio connectors) • S/PDIF audio header (1 x 4 pin header) Front panel headphone output is supported by a separate audio channel pair, allowing multi-streaming audio configurations such as simultaneous surround sound playback and stereo audio conferencing (through speakers connected to the back panel audio connectors and a headset connected to the front panel audio connectors). The onboard internal mono speaker header allows connection to an internal, low- power speaker for basic system sound capability. The subsystem is capable of driving a speaker load of 8 . at 1 W (rms) or 4 . at 1.5 W (rms). The onboard S/PDIF header allows connection to coaxial or optical adapters for digital audio output. The back panel audio connectors are configurable through the audio device drivers. Audio software and drivers are available from LAN Subsystem The LAN subsystem includes: • Intel 82579V Gigabit (10/100/1000 Mb/s) Ethernet LAN controller • RJ-45 LAN connector with integrated status LEDs LAN software and drivers are available at Two LEDs are built into the RJ-45 LAN connector located on the back panel (see Figure 2). These LEDs indicate the status of the LAN as shown in Tabl Figure 2. LAN Status LEDs Table 3. LAN Status LEDs States LED LED Color LED State Indicates A (Link/Activity) Green Off LAN link is not established On LAN link is established Blinking LAN activity is occurring B (Link Speed) N/A Off 10 Mb/s data rate Green On 100 Mb/s data rate Yellow On 1000 Mb/s data rate USB Support The Desktop Board supports USB 2.0. There are 6 USB 2.0 ports (four ports routed to back panel connectors and two ports routed to an onboard header). The USB 2.0 ports are high-speed, full-speed, and low-speed capable. USB 2.0 support requires both an operating system and drivers that fully support USB 2.0 transfer rates. SATA Support The board provides four SATA 3.0 Gb/s channels, through the PCH, which support one device per channel. Expandability Intel Desktop Board DH61WW provides the following expansion capability: • One PCI Express 2.0 x16 interface • One PCI Express 2.0 x1 interface • One Conventional PCI bus interface Legacy I/O The board’s Legacy I/O Controller provides the following legacy features: • PS/2 back panel connector for mouse/keyboard support • One serial port header • One parallel port connector on the back panel • Serial IRQ interface compatible with serialized IRQ support for Conventional PCI bus systems • Intelligent power management, including a programmable wake-up event interface • Conventional PCI bus power management support The BIOS Setup program provides configuration options for the Legacy I/O controller. BIOS The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, and the PCI/PCI Express and SATA auto-configuration utilities. The BIOS is stored in the Serial Peripheral Interface (SPI) Flash memory device. The BIOS can be updated by following the instructions in Chapter 3 starting on page 59. SATA Auto Configuration If you install a SATA device (such as a hard disk drive) in your computer, the auto- configuration utility in the BIOS automatically detects and configures the device for your computer. You do not n...