Intel BLKDP55KG Product Specification - Page 48

Power Supply Connectors, CAUTION

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Intel Desktop Board DP55KG Technical Product Specification 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 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. • Auxiliary PCI Express graphics power connector (SATA style) - this connector provides the required additional power when using high power (75 W or greater) add-in cards in either or both the PCI Express x16 and the PCI Express x8 bus add-in card connectors. See Figure 1 for location. CAUTION If high power (75 W or greater) add-in cards are installed in either or both the Secondary PCI Express x16 and the PCI Express x4 bus add-in card connectors, the Auxiliary PCI Express graphics power connector must be used. Failure to do so may cause damage to the board and the add-in cards. Table 15. 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 48

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Intel Desktop Board DP55KG Technical Product Specification
48
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 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.
•
Auxiliary PCI Express graphics power connector (SATA style) –
this
connector provides the required additional power when using high power (75 W or
greater) add-in cards in either or both the PCI Express x16 and the PCI Express x8
bus add-in card connectors. See Figure 1 for location.
CAUTION
If high power (75 W or greater) add-in cards are installed in either or both the
Secondary PCI Express x16 and the PCI Express x4 bus add-in card connectors, the
Auxiliary PCI Express graphics power connector must be used.
Failure to do so may
cause damage to the board and the add-in cards.
Table 15.
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