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Mechanical Drawingss
36 Thermal and Mechanical Design Guidelines
Figure 17. (G)MCH Reference Heatsink for ATX Platforms – Wire Preload Clip
A
A
A
A
46.6
0.5
1.8 3 5
.019[]
2X 90
TYP R1.8
.071[]
19.3 0.5
.760
.019[]
27.3 0.5
1.075
.019[]
427.7
1.090[]
61.74 0.5
2.431
.019[]
37.06
1.459[]
2.65
.104[]
NOTES:
1. THIS DRAWING TO BE USED IN CORRELATION WITH SUPPLIED 3D
DATABASE FILE. ALL DIMENSIONS AND TOLERANCES ON THIS
DRAWING TAKE PRECEDENCE OVER SUPPLIED FILE AND ARE
APPLICABLE AT PART FREE, UNCONSTRAINED STATE UNLESS
INDICATED OTHERWISE.
2. TOLERANCES ON DIMENSIONED AND UNDIMENSIONED
FEATURES UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS.
TOLERANCES: LINEAR 0.25
ANGLES: 1
3. MATERIAL:
A) TYPE: ASTM A228 MUSIC WIRE 1.8 0.1MM 4
PLATING: ELECTRO-LESS NICKEL OR EQUIVALENT UPON
INTEL APPROVAL.
B) CRITICAL MECHANICAL MATERIAL PROPERTIES
FOR EQUIVALENT MATERIAL SELECTION:
TENSILE YIELD STRENGTH (ASTM D638) > 965 MPa
FLEXURAL MODULUS (ASTM D638) 210 GPa 10%
4 CRITICAL TO FUNCTION DIMENSION
5. MARK WITH INTEL P/N AND REVISION PER INTEL MARKING
STANDARD 164997; PER SEC 3.8 (POLYETHYLENE BAG)
6. REMOVE ALL SHARP EDGES AND BURRS.
7. ALL DIMENSIONS SHOWN SHALL BE MEASURED FOR FAI
8. ALL SECONDARY UNIT DIMENSIONS ARE FOR REFERENCE ONLY.
FAR SIDE
FA R SIDE
SECTION A-A
A2
A3
A2
A3
A1
A2 A3