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The board’s SATA controller offers independent SATA ports with a theoretical maximum transfer rate of 3.0 Gbits/sec on each port. One device can be installed on each port for a maximum of two SATA devices. A point-to-point interface is used for host to device connections, unlike PATA which supports a master/slave configuration and two devices on each channel. For compatibility, the underlying SATA functionality is transparent to the operating system. The SATA controller supports IDE and AHCI configuration and can operate in both legacy and native modes. In legacy mode, standard ATA 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 and Windows Vista* operating systems. For information about Refer to Obtaining AHCI driver Section 1.2, page 16 The location of the SATA connectors Figure 10, page 43 Intel Desktop Board D510MO Technical Product Specification 1.6 Real-Time Clock Subsystem A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer is not plugged into a wall socket, the battery has an estimated life of three years. When the computer is plugged in, the standby current from the power supply extends the life of the battery. The clock is accurate to ± 13 minutes/year at 25 .C with 3.3 VSB applied. NOTE If the battery and AC power fail, custom defaults, if previously saved, will be loaded into CMOS RAM at power-on. When the voltage drops below a certain level, the BIOS Setup program settings stored in CMOS RAM (for example, the date and time) might not be accurate. Replace the battery with an equivalent one. Figure 1 on page 13 shows the location of the battery. 1.7 Legacy I/O Controller The Legacy I/O Controller provides the following features: • Two serial port headers • One parallel port header with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support • Serial IRQ interface compatible with serialized IRQ support for PCI Conventional bus systems • PS/2-style keyboard and mouse ports • Intelligent power management, including a programmable wake-up event interface • PCI Conventional bus power management support The BIOS Setup program provides configuration options for the Legacy I/O controller. 1.7.1 Serial Port Headers The serial port headers, COM 1 and COM 2, are implemented as two 10-pin headers on the board. The serial port headers support data transfers at speeds up to 115.2 kbits/s with BIOS support. For information about Refer to The location of the serial port headers Figure 10, page 43 Product Description 1.7.2 Parallel Port Header The parallel port header is implemented as a 26-pin header on the board. Use the BIOS Setup program to set the parallel port mode. For information about Refer to The location of the parallel port header Figure 10, page 43 1.8 LAN Subsystem The LAN subsystem consists of the following: • Intel NM10 Express Chipset • Realtek 8111DL Gigabit Ethernet Controller for 10/100/1000 Mbits/sec Ethernet LAN connectivity • RJ-45 LAN connector with integrated status LEDs Additional features of the LAN subsystem include: • CSMA/CD protocol engine • LAN connect interface that supports the ethernet controller • PCI Conventional bus power management . Supports ACPI technology . Supports LAN wake capabilities 1.8.1 LAN Subsystem Drivers LAN drivers are available from Intel’s World Wide Web site. For information about Refer to Obtaining LAN drivers Section 1.2, page 16 Intel Desktop Board D510MO Technical Product Specification 1.8.2 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 LAN connector (shown in Figure 3). Figure 3. LAN Connector LED Locations Table 5 describes the LED states when the board is powered up and the 10/100/1000 Mbits/sec LAN subsystem is operating. Table 5. LAN Connector LED States LED Color State Condition Activity (A) Green Blinking LAN activity occurring N/A Off 10 Mb/s data rate Speed (B) Green On 100 Mb/s data rate Yellow On 1000 Mb/s data rate Product Description 1.9 Audio Subsystem The board supports the Intel High Definition Audio subsystem. The audio subsystem consists of the following: • Intel NM10 Express Chipset • Realtek ALC662 audio codec The audio subsystem has the following features: • 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. • Front panel Intel HD Audio and AC ’97 audio support • 3-port analog audio out stack • Internal S/PDIF out header • Windows Vista Basic certification • A signal-to-noise (S/N) ratio of 95 dB • Independent 5.1 audio playback from back panel connectors and stereo playback from the Intel High Definition Audio front panel header. • 4+2 channel in multi...