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Installing and Replacing Desktop Board Components
49
Connecting Power Cables
CAUTION
Failure to use an ATX12V power supply, or not connecting the 12 V (2x2) processor core voltage
power supply connector to the desktop board may result in damage to the desktop board and/or
power supply.
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 24 shows the location of the power connectors.
OM16854
2X10
1
2
Figure 25. Connecting 2x10 Power Supply Cables
1. Observe the precautions in "Before You Begin" on page 27.
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.