Intel Desktop Board D955XBK Product Guide
48
Connecting Power Cables
NOTE
Failure to use the appropriate power supply and/or not connecting the 12 V (2x4) power connector
to the desktop board may result in damage to the board or the system may not function properly.
See Table 3 on page 13 for power supply requirements.
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 27 shows the location of the power connectors for a 2x10 power
supply.
Channel A
Intel
82801
(ICH7)
Intel
955X
(MCH)
OM17603
2
OR
Figure 27. Connecting 2x10 Power Supply Cables
1. Observe the precautions in "Before You Begin" on page 23.
2. Connect the 12 V processor core voltage power supply cable to the 2x4 connector. Use the 2x2
to 2x4 adapter if needed.
3. Connect the 1x4 power supply cable to the 1x4 connector.
4. Connect the main 2x10 power supply cable to the 2x12 connector (see Figure 27, 1 and 2).
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