Intel D925XHY English Product Guide - Page 45

Connecting Power Cables

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Installing and Replacing Desktop Board Components Connecting Power Cables NOTE Failure to use an ATX12V power supply, or not connecting the 12 V processor core voltage power supply connector (2x2) to the desktop board may result in the computer not booting. Connecting 2x10 Power Supply Cables The 2x12 main power connector on the desktop board is backwards compatible with ATX12V power supplies with 2x10 power connections. Use of the 1x4 power connection is recommended with ATX12V power supplies with 2x10 connections when using PCI Express video cards that can consume up to 75 W. Figure 22 shows the location of the power connectors for a 2x10 power supply. 1 2 Figure 22. Connecting 2x10 Power Supply Cables OM19132 1. Observe the precautions in "Before You Begin" on page 23. 2. Connect the 1x4 power supply cable to the 1x4 connector. 3. Connect the 12 V processor core voltage power supply cable to the 2x2 connector. 4. Connect the main power supply cable to the 2x10 connector. 45

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Installing and Replacing Desktop Board Components
45
Connecting Power Cables
NOTE
Failure to use an ATX12V power supply, or not connecting the 12 V processor core voltage power
supply connector (2x2) to the desktop board may result in the computer not booting.
Connecting 2x10 Power Supply Cables
The 2x12 main power connector on the desktop board is backwards compatible with ATX12V
power supplies with 2x10 power connections.
Use of the 1x4 power connection is recommended
with ATX12V power supplies with 2x10 connections when using PCI Express video cards that can
consume up to 75 W.
Figure 22 shows the location of the power connectors for a 2x10 power
supply.
OM1
9
132
1
2
Figure 22.
Connecting 2x10 Power Supply Cables
1.
Observe the precautions in "Before You Begin" on page 23.
2.
Connect the 1x4 power supply cable to the 1x4 connector.
3.
Connect the 12 V processor core voltage power supply cable to the 2x2 connector.
4.
Connect the main power supply cable to the 2x10 connector.