BX80547PG3200FSL8Q6 Datasheet, PDF (93/105 Pages) Intel Corporation – Intel® Pentium® 4 Processor 6xxΔ Sequence and Intel® Pentium® 4 Processor Extreme Edition

Boxed Processor Specifications
Figure 7-4. Overall View Space Requirements for the Boxed Processor
7.1.2
7.1.3
7.2
7.2.1
Boxed Processor Fan Heatsink Weight
The boxed processor fan heatsink will not weigh more than 450 grams. See Chapter 5 and the
Intel^® Pentium^® 4 Processor on 90 nm Process in the 775-land LGA Package Thermal Design
Guidelines for details on the processor weight and heatsink requirements.
Boxed Processor Retention Mechanism and Heatsink
Attach Clip Assembly
The boxed processor thermal solution requires a heatsink attach clip assembly, to secure the
processor and fan heatsink in the baseboard socket. The boxed processor will ship with the heatsink
attach clip assembly.
Electrical Requirements
Fan Heatsink Power Supply
The boxed processor's fan heatsink requires a +12 V power supply. An attached fan power cable
will be shipped with the boxed processor to draw power from a power header on the baseboard.
The power cable connector and pinout are shown in Figure 7-5. Baseboards must provide a
matched power header to support the boxed processor. Table 7-1 contains specifications for the
input and output signals at the fan heatsink connector.
The fan heatsink outputs a SENSE signal that is an open-collector output that pulses at a rate of
2 pulses per fan revolution. A baseboard pull-up resistor provides V_OH to match the system board-
mounted fan speed monitor requirements, if applicable. Use of the SENSE signal is optional. If the
SENSE signal is not used, pin 3 of the connector should be tied to GND.
The fan heatsink receives a PWM signal from the motherboard from the 4th pin of the connector
labeled as CONTROL.
Datasheet
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