Intel BOXD945GTPLKR Product Specification - Page 60
Power Supply Connectors, INTEGRATOR'S NOTE
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Intel Desktop Board D945GTP Technical Product Specification 2.8.2.1 Power Supply Connectors The board has 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. • ATX12V 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. # INTEGRATOR'S NOTE When using high wattage PCI Express x16 graphics cards, use a power supply with a 2 x 12 main power cable. The 2 x 12 main power cable can provide up to 144 W of power from the +12 V rail. Table 25. 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 11 +12 V (Note) 12 2 x 12 connector detect (Note) 22 +5 V 23 +5 V (Note) 24 Ground (Note) Note: When using a 2 x 10 power supply cable, this pin will be unconnected. Table 26. ATX12V Power Connector Pin Signal Name 1 Ground 3 +12 V Pin Signal Name 2 Ground 4 +12 V 60