Intel Pentium 4 Processor in the 478-pin Package / Intel 850 Chipset Platform Family Design Guide

Intel® Pentium® 4 Processor in the 478-Pin Package Processor Power Distribution Guidelines
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Intel
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Pentium
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4 Processor / Intel
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850 Chipset Family Platform Design Guide 199
11.1.2 FMB2 VR Component Placement
Figure 141. Four-Phase VR Component Placement
Figure 142. Three-Phase VR Component Placement