Mechanical Drawingss
36 Thermal and Mechanical Design Guidelines
Figure 17. (G)MCH Reference Heatsink for ATX Platforms – Wire Preload Clip
A
A
AA
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 F ILE. ALL DIMENS IO NS AND T O LERA NCES O N T HIS
DRAWING TAKE PRECEDENCE OVER SUPPLIED FILE AND ARE
APPLICABLE AT PART FREE, UNCONSTRAINED STATE UNLESS
INDICATED OTHE RW ISE .
2. TOLERANCES O N DIM ENSIO NE D AND UNDIM ENSIO NE D
FEATURES UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN M ILLIME TE RS.
TOLERANCES: LINEAR 0.25
ANGLES: 1
3. MAT ER IA L:
A) TYPE: ASTM A228 MUSIC WIRE 1.8 0.1MM 4
PLATING: ELECTRO-LESS NICKEL OR EQUIVALENT UPON
INTEL APPROVAL.
B) CRITICAL MECHANICAL MAT E RIAL PRO PE RTIE S
FOR EQUIVALENT MATERIAL SELECTION:
TENSILE YIELD STRENG T H (AST M D638) > 965 MPa
FLEXURA L M O D ULUS (A S T M D638) 210 G P a 10%
4 CRIT ICAL TO F UNCT IO N DIME NSIO N
5. MARK WIT H INT EL P/N A ND REV ISIO N P ER INT EL M ARK ING
STANDARD 164997; PER SEC 3.8 (POLYETHYLENE BAG)
6. REMOVE ALL SHARP EDGES AND BURRS.
7. ALL DIMENSIONS SHO W N S HALL BE M EAS URED FO R F AI
8. ALL SECONDARY UNIT DIM ENSIO NS ARE F O R REF ERE NCE O NLY.
FAR SIDE
FAR SIDE
SECTION A-A
A2
A3
A2
A3
A1
A2 A3