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Инструкция по эксплуатации Intel, модель Intel® Desktop Board DH87MC

Производитель: Intel
Размер: 4.1 mb
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Язык инструкции:en

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The SMBus clock line is connected to pin A40. . The SMBus data line is connected to pin A41. 2.2.2.3 Power Supply Connectors The board has the following power supply connectors: • Main power – a 2 x 12 connector. This connector is compatible with 2 x 10 connectors previously used on Intel Desktop boards. The board supports the use of ATX12V power supplies with either 2 x 10 or 2 x 12 main power cables. When using a power supply with a 2 x 10 main power cable, attach that cable to the main power connector, leaving pins 11, 12, 23, and 24 unconnected. • Processor core power – a 2 x 2 connector. This connector provides power directly to the processor voltage regulator and must always be used. Failure to do so will prevent the board from booting. Table 26. Processor Core Power Connector Pin Signal Name Pin Signal Name 1 Ground 2 Ground 3 +12 V 4 +12 V Table 27. Main Power Connector Pin Signal Name Pin Signal Name 1 +3.3 V 13 +3.3 V 2 +3.3 V 14 -12 V 3 Ground 15 Ground 4 +5 V 16 PS-ON# (power supply remote on/off) 5 Ground 17 Ground 6 +5 V 18 Ground 7 Ground 19 Ground 8 PWRGD (Power Good) 20 No connect 9 +5 V (Standby) 21 +5 V 10 +12 V 22 +5 V 11 +12 V (Note) 23 +5 V (Note) 12 2 x 12 connector detect (Note) 24 Ground (Note) Note: When using a 2 x 10 power supply cable, this pin will be unconnected. For information about Refer to Power supply considerations Section 2.5.1 on page 57 OM20472 2.2.2.4 Front Panel Connector This section describes the functions of the front panel header. Table 28 lists the signal names of the front panel header. Figure 10 is a connection diagram for the front panel header. Table 28. Front Panel Connector Pin Signal Name Description Pin Signal Name Description 1 HDD_POWER_LED Pull-up resistor (750 .) to +5 V 2 POWER_LED_MAIN [Out] Front panel LED (main color) 3 HDD_LED# [Out] Hard disk activity LED 4 POWER_LED_ALT [Out] Front panel LED (alt color) 5 GROUND Ground 6 POWER_SWITCH# [In] Power switch 7 RESET_SWITCH# [In] Reset switch 8 GROUND Ground 9 +5 V_DC Power 10 Key No pin Figure 10. Connection Diagram for Front Panel Header 2.2.2.4.1 Hard Drive Activity LED Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive. Proper LED function requires a SATA hard drive or optical drive connected to an onboard SATA connector. 2.2.2.4.2 Reset Switch Pins 5 and 7 can be connected to a momentary single pole, single throw (SPST) type switch that is normally open. When the switch is closed, the board resets and runs the POST. NOTE 2.2.2.4.3 Power/Sleep LED Pins 2 and 4 can be connected to a one- or two-color LED. Table 29 shows the possible states for a one-color LED. Table 30 shows the possible states for a two-color LED. Table 29. States for a One-Color Power LED LED State Description Off Power off/sleeping Steady Green Running Table 30. States for a Two-Color Power LED LED State Description Off Power off Steady Green Running Steady Yellow Sleeping NOTE The colors listed in Table 29 and Table 30 are suggested colors only. Actual LED colors are chassis-specific. 2.2.2.4.4 Power Switch Header Pins 6 and 8 can be connected to a front panel momentary-contact power switch. The switch must pull the SW_ON# pin to ground for at least 50 ms to signal the power supply to switch on or off. (The time requirement is due to internal debounce circuitry on the board.) At least two seconds must pass before the power supply will recognize another on/off signal. 2.2.2.5 Alternate Front Panel Power/Sleep LED Header Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. Table 31. Alternate Front Panel Power/Sleep LED Header Pin Signal Name Description 1 POWER_LED_MAIN [Out] Front panel LED (main color) 2 Key (no pin) 3 POWER_LED_ALT [Out] Front panel LED (alt color) NOTE OM23173 2.2.2.6 Front Panel Connectors and Headers Figure 11, Figure 12, and Figure 13 are connection diagrams for the front panel USB connectors and headers. NOTE • The +5 V DC power on the USB connectors is fused. • Use only a front panel USB connector that conforms to the USB 2.0 specification for high-speed USB devices. Figure 11. Connection Diagram for the Front Panel Dual-Port USB 2.0 Connectors Figure 12. Connection Diagram for the Front Panel USB 2.0 Single-Port Header Figure 13. Connection Diagram for the Front Panel USB 3.0 Connector 2.2.2.7 Consumer Infrared (CIR) Header The Consumer Infrared (CIR) header provides features that are designed to comply with Microsoft Consumer Infrared usage models. The CIR feature is made up of the receiving (receiver) header. The receiving header consists of a filtered translated infrared input compliant with Microsoft CIR specifications. Customers are required to buy or create their own interface modules to connect to Intel Desktop Boards for this feature to work. 2.3 BIOS Security Jumper CAUTION Do not move the jumper with the power on. Always turn off the power and unplug the power cord from the com...

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