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manual abstract
Serial ATA Connectors Pin Signal Name 1 Ground 2 TXP 3 TXN 4 Ground 5 RXN 6 RXP 7 Ground Table 14. Front Panel IEEE 1394a Header Pin Signal Name Pin Signal Name 1 Data A (positive) 2 Data A (negative) 3 Ground 4 Ground 5 Data B (positive) 6 Data B (negative) 7 +12V_DC 8 +12 V_DC 9 Key (no pin) 10 Ground Note: The +12 V DC power on the IEEE 1394a header is fused. Intel Desktop Board DX58OG Technical Product Specification Table 15. Chassis Intrusion Header Pin Signal Name 1 Intruder 2 Ground Table 16. Front and Rear Chassis (3-Pin) Fan Headers Pin Signal Name 1 Control (Note) 2 +12 V 3 Tach Note: These fan headers use voltage variance control for fan speed. Table 17. Processor and Rear Chassis 2 (4-Pin) Fan Headers Pin Signal Name 1 Ground (Note) 2 +12 V 3 FAN_TACH 4 FAN_CONTROL Note: These fan headers use Pulse Width Modulation control for fan speed. Table 20. Back Panel CIR Emitter (Output) Header Pin Signal Name 1 Emitter out 1 2 Emitter out 2 3 Ground 4 Key (no pin) 5 Jack detect 1 6 Jack detect 2 Table 21. Front Panel CIR Receiver (Input) Header Pin Signal Name 1 Ground 2 LED 3 NC 4 Learn-in 5 5 V standby 6 VCC 7 Key (no pin) 8 CIR Input Technical Reference 2.2.2.2 Add-in Card Connectors The board has the following add-in card connectors: • PCI Express 2.0 x16: two PCI Express 2.0 x16 connectors supporting simultaneous transfer speeds up to 8 GB/sec of peak bandwidth per direction and up to 16 GB/sec concurrent bandwidth. • PCI Express 1.1 x1: three PCI Express 1.1 x1 connectors. The x1 interface supports simultaneous transfer speeds up to 250 MB/sec of peak bandwidth per direction and up to 2 GB/sec concurrent bandwidth. • Conventional PCI (rev 2.3 compliant) bus: one Conventional PCI bus add-in card connector. The SMBus is routed to the Conventional PCI bus connector. Conventional PCI bus add-in cards with SMBus support can access sensor data and other information residing on the board. Note the following considerations for the Conventional PCI bus connector: • The Conventional PCI bus connector is bus master capable. • SMBus signals are routed to the Conventional PCI bus connector. This enables Conventional PCI bus add-in boards with SMBus support to access sensor data on the board. The specific SMBus signals are as follows: . The SMBus clock line is connected to pin A40. . The SMBus data line is connected to pin A41. 2.2.2.3 Auxiliary 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 18. Auxiliary Front Panel Power/Sleep LED Header Pin Signal Name In/Out Description 1 HDR_BLNK_GRN Out Front panel green LED 2 Not connected 3 HDR_BLNK_YEL Out Front panel yellow LED Intel Desktop Board DX58OG Technical Product Specification 2.2.2.4 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 on the rightmost pins of the main power connector, leaving pins 11, 12, 23, and 24 unconnected. • Processor core power – a 2 x 4 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 19. Processor Core Power Connector Pin Signal Name Pin Signal Name 1 Ground 2 +12 V 3 Ground 4 +12 V 5 Ground 6 +12 V 7 Ground 8 +12 V Technical Reference Table 20. 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. Table 21. Auxiliary PCI Express Graphics Power Connector Pin Signal Name 1 +12 V 2 1 x 4 connector detect 3 Ground 4 +5 V For information about Refer to Power supply considerations Section 2.5.1 on page 56 Intel Desktop Board DX58OG Technical Product Specification 2.2.2.5 Front Panel Header This section describes the functions of the front panel header. Table 22 lists the signal names of the front panel header. Figure 12 is a connection diagram for the front panel header. Table 22. Front Panel Header Pin Signal In/ Out Description Pin Signal In/ Out Description Hard Drive Activity LED Power LED 1 HD_PWR Out Hard disk LED pull-up to +5 V 2 HDR_BLNK_GRN Out Front panel green LED 3 HDA# Out Hard disk active LED 4 HDR_BLNK_YEL Out Front panel yellow LED Reset Switch On/Off Switch 5 Ground Ground 6 FPBUT_IN In Power switch 7 FP_RESET# In Reset switch 8 Ground Ground Power Not Connected 9 +5 V Power 10 N/C Not connected Figure 12. Con...