Intel® 31244 PCI-X to Serial ATA Controller
Routing Guidelines
4.3EMI Considerations
It is highly recommended that good EMI design practices be followed when designing with the Intel® 31244
•To minimize EMI on your PCB a useful technique is to not extend the power planes to the edge of the board.
•Another technique is to surround the perimeter of your PCB layers with a GND trace. This helps to shield the PCB with grounds minimizing radiation.
The below link may provide some useful general EMI guidelines considerations:
http://developer.intel.com/design/auto/mcs96/applnots/272673.htm
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