Intel DG965RY Product Specification - Page 54

Power Supply Connectors

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Intel Desktop Board DG965RY Technical Product Specification 2.8.2.2 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 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 25. Processor Core Power Connector Pin Signal Name Pin Signal Name 1 Ground 3 +12 V 2 Ground 4 +12 V Table 26. 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. 54

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Intel Desktop Board DG965RY Technical Product Specification
54
2.8.2.2
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 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 25. Processor Core Power Connector
Pin
Signal Name
Pin
Signal Name
1
Ground
2
Ground
3
+12 V
4
+12 V
Table 26. 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.