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NOTE The board will support up to two integrated graphics interfaces plus one PCI Express Graphics card simultaneously with required changes to the BIOS setup. 1.7.1.1 Analog Display (VGA) The VGA port supports analog displays. The maximum supported resolution is 2048 x 1536 (QXGA) at a 75 Hz refresh rate. The VGA port is enabled for POST whenever a monitor is attached, regardless of the DVI-D connector status. 1.7.1.2 Digital Visual Interface (DVI-D) The DVI-D port supports only digital DVI displays. The maximum supported resolution is 1920 x 1200 at 60 Hz refresh (WUXGA). The DVI-D port is compliant with the DVI 1.0 specification. 1.7.2 PCI Express x16 Graphics The Intel Core i7, Intel Core i5, Intel Core i3, and Intel Pentium processors in an LGA1155 socket support discrete add in graphics cards through the PCI Express 2.0 x16 graphics connector: • Supports PCI Express GEN2 frequency of 2.5 GHz resulting in 5.0 Gb/s each direction (500 MB/s) per lane. Maximum theoretical bandwidth on interface is 8 GB/s in each direction, simultaneously, when operating in x16 mode. • Supports PCI Express GEN1 frequency of 1.25 GHz resulting in 2.5 Gb/s each direction (250 MB/s) per lane. Maximum theoretical bandwidth on interface is 4 GB/s in each direction, simultaneously, when operating in x16 mode. For information about Refer to PCI Express technology 1.8 USB The board supports up to ten USB 2.0 ports and two USB 3.0 ports. The Intel H61 Express Chipset provides the USB controller for the 2.0 ports. The two USB 3.0 ports are provided by the NEC UPD720200 controller. The port arrangement is as follows: • Two USB 3.0 ports are implemented with stacked back panel connectors (blue) • Two USB 2.0 ports are implemented with stacked back panel connectors (black) • Eight USB 2.0 front panel ports are implemented through four dual-port internal headers All 12 USB ports are high-speed, full-speed, and low-speed capable. The USB 3.0 ports are super-speed capable. NOTE Computer systems that have an unshielded cable attached to a USB port may not meet FCC Class B requirements, even if no device is attached to the cable. Use a shielded cable that meets the requirements for full-speed devices. For information about Refer to The location of the USB connectors on the back panel Figure 9, page 42 The location of the front panel USB headers Figure 10, page 43 1.9 SATA Interfaces The board provides six SATA connectors, which support one device per connector: • Two internal SATA 6 Gb/s ports through the Marvell 88SE917X controller (blue) • Four internal SATA 3 Gb/s ports (black) The underlying SATA functionality is transparent to the operating system. The SATA controller can operate in both legacy and native modes. In legacy mode, standard IDE I/O and IRQ resources are assigned (IRQ 14 and 15). In Native mode, standard PCI Conventional bus resource steering is used. Native mode is the preferred mode for configurations using the Windows* XP, Windows Vista*, and Windows 7* operating systems. For more information, see: For information about Refer to The location of the SATA connectors Figure 10, page 43 1.10 Legacy I/O Controller The Legacy I/O Controller provides the following features: • One serial port • One back panel parallel port (with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support • PS/2-style keyboard/mouse interface on the back panel • Serial IRQ interface compatible with serialized IRQ support for PCI Conventional 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. 1.10.1 Serial Port The serial port is implemented as a 10-pin header on the board. The serial port supports data transfers at speeds up to 115.2 kbits/s with BIOS support. For information about Refer to The location of the serial port header Figure 10, page 43 1.11 Audio Subsystem The board supports Intel High Definition Audio through the Realtek ALC892 audio codec interface. The Realtek ALC892-based audio subsystem supports the following features: • 8+2-channel audio with independent multi-streaming stereo. • Advanced jack sense for the back panel audio jacks that enables the audio codec to recognize the device that is connected to an audio port. The back panel audio jacks 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 through back panel jacks • Headphone and Mic in functions for front panel audio jacks • S/PDIF audio header • A signal-to-noise (S/N) ratio of 90 dB Table 4 lists the supported functions of the front panel and back panel audio jacks. Table 4. Audio Jack Support Audio Jack Micro- phone Head- phones Front Speaker Line In Rear Surround Center/ Sub Side Surround FP Green Default FP Pink Default Rear Bl...