Intel BOXD955XCSLKR Product Specification - Page 58
Power Supply Connectors, CAUTION
UPC - 735858173834
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Intel Desktop Board D955XCS Technical Product Specification 2.7.2.1 Power Supply Connectors The board has three power supply connectors: • Main power - a 2 x 12 connector. The board requires a power supply with a 2 x 12 main power cable. • Processor power - This connector provides power directly to the processor voltage regulator and must always be used. Depending on manufacturing options, the board will contain either a 2 x 4 or a 2 x 2 connector for the processor voltage regulator. • Auxiliary PCI Express power - a 1 x 4 connector. This connector provides the required additional power when using high power (75 W or greater) add-in cards in both the PCI Express x16 and the Secondary PCI Express x16/x4 bus add-in card connectors. CAUTION Regardless of the connector type (2 x 4 or a 2 x 2), the Processor power connector must always be used. Failure to do so will prevent the board from booting. If the board is equipped with a 2 x 4 power connector, you must use a power supply with a dualrail 2 x 4 Processor power cable. Failure to do so may cause damage to the board. CAUTION If high power (75 W or greater) add-in cards are installed in both the PCI Express x16 and the Secondary PCI Express x16/x4 bus add-in card connectors, the Auxiliary PCI Express power connector must be used. Failure to do so may cause damage to the board and the add-in cards. 58