Intel 945P User Manual

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Thermal and Mechanical Design Guidelines 

Figure 1. (G)MCH Non-Grid Array ......................................................................12

 

Figure 2. 0° Angle Attach Methodology (top view, not to scale)..............................16

 

Figure 3. 0° Angle Attach Heatsink Modifications (generic heatsink side and bottom 

view shown, not to scale)...........................................................................16

 

Figure 4. Airflow Temperature Measurement Locations .........................................17

 

Figure 5. Processor Heatsink Orientation to Provide Airflow to (G)MCH Heatsink on an 

ATX Platform............................................................................................20

 

Figure 6. Processor Heatsink Orientation to Provide Airflow to (G)MCH Heatsink on a 

Balanced Technology Extended (BTX) Platform..............................................21

 

Figure 7. ATX GMCH Heatsink Installed on Board .................................................22

 

Figure 8. Balanced Technology Extended (BTX) GMCH Heatsink Installed on Board...23

 

Figure 9. (G)MCH Package Drawing ...................................................................28

 

Figure 10. (G)MCH Component Keep-Out Restrictions for ATX Platforms .................29

 

Figure 11. (G)MCH Component Keep-Out Restrictions for Balanced Technology 

Extended (BTX) Platforms ..........................................................................30

 

Figure 12. (G)MCH Reference Heatsink for ATX Platforms – Sheet 1 .......................31

 

Figure 13. (G)MCH Reference Heatsink for ATX Platforms – Sheet 2 .......................32

 

Figure 14. (G)MCH Reference Heatsink for ATX Platforms – Anchor ........................33

 

Figure 15. (G)MCH Reference Heatsink for ATX Platforms – Ramp Retainer Sheet 1 ..34

 

Figure 16. (G)MCH Reference Heatsink for ATX Platforms – Ramp Retainer Sheet 2 ..35

 

Figure 17. (G)MCH Reference Heatsink for ATX Platforms – Wire Preload Clip ..........36

 

Figure 18. (G)MCH Reference Heatsink for Balanced Technology Extended (BTX) 

Platforms.................................................................................................37

 

Figure 19. (G)MCH Reference Heatsink for Balanced Technology Extended (BTX) 

Platforms – Clip ........................................................................................38

 

Figure 20. (G)MCH Reference Heatsink for Balanced Technology Extended (BTX) 

Platforms – Heatsink Assembly ...................................................................39

 

 

Table 1. (G)MCH Loading Specifications..............................................................12

 

Table 2.

 

(G)MCH Case Temperature Specifications .............................................13

 

Table 3.

 

(G)MCH Thermal Design Power Specifications........................................14

 

Table 4.

 

Reference Thermal Solution Environmental Reliability Requirements .........24

 

Table 5. 

 

(G)MCH ATX Intel Reference Heatsink Enabled Suppliers.........................25

 

Table 6. 

 

(G)MCH Balanced Technology Extended (BTX) Intel Reference Heatsink 

Enabled Suppliers .....................................................................................26