User's Manual

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 DIMENSIO NS AND T O LERANCES O N T HIS DRAW ING TAKE PRECEDENCE OVER SUPPLIED FILE AND ARE APPLICABLE AT PART FREE, UNCONSTRAINED STATE UNLESS INDICAT ED O T HERW ISE. 2. TO LERANCES ON DIMENSIO NED AND UNDIMENSIO NED FEATURES UNLESS OTHERWISE SPECIFIED: DIM ENSIO NS ARE IN M ILLIMETERS. TO LERANCES: LINEAR 0.25 ANGLES: 1 3. M A T E RIAL: A) TYPE: ASTM A228 MUSIC WIRE 1.8 0.1MM 4 PLATING: ELECTRO-LESS NICKEL OR EQUIVALENT UPON INTEL APPROVAL. B) CRITICAL MECHANICAL MATERIAL PRO PERT IES FOR EQUIVALENT MATERIAL SELECTION: TENSILE YIELD STRENG TH (ASTM D638) > 965 MPa FLE XURAL M O DULUS (AS T M D638) 210 G Pa 10%
4 CRITICAL TO FUNCTION DIMENSIO N
5. MARK W ITH INTEL P/N AND REVISIO N PER INT EL MARKING STANDARD 164997; PER SEC 3.8 (POLYETHYLENE BAG) 6. REMOVE ALL SHARP EDGES AND BURRS. 7. ALL DIM ENSIO NS SHO W N SHALL BE MEASURED FO R FAI 8. ALL SECO NDARY UNIT DIMENSIO NS ARE FO R REFERENCE O NLY.
FAR SIDE FA R SIDE
SECTION A-A
A2
A3
A2
A3
A1
A2 A3