Mechanical Drawings
Thermal and Mechanical Design Guide 39
Figure 19. (G)MCH Reference Heatsink for ATX Platforms – Anchor
65.21 0.12
.205
.004[]
4X 67.83 0.12
.308
.004[]
2X 10.13 0.12
.399
.004[]
2X 60.77 0.1
.030
.003[]
7.62 0.15
.300
.005[]
2.5 0.15
.098
.005[]
0.64
0
-0.07
.025
+.000
-.002
[]
65.08 0.12
.200
.004[]
2X 3.94 0.15
.155
.005[]
2X 45 2
2X 4
.157[]
2X 0.5 0.05
.020
.001[]
2X 0.75
.030[]
0.64
0
-0.07
.025
+.000
-.002
[]
NOTES:
1. THIS DRAW ING TO BE USED IN CO NJUNCTIO N W ITH 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 O T HERW ISE.
2. TO LERANCES O N DIMENSIO NED AND UNDIMENSIO NED
FEATURES UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS.
FOR FEATURE SIZES < 10MM: LINEAR .07
FOR FEATURE SIZES > 10MM: LINEAR .08
ANGLES: 0.5
3. MATERIALS:
INSULATOR: POLYCARBONATE THERMO PLASTIC, UL 94V-0, BLACK (739)
(REF. GE LEXAN 3412R-739)
CONTACT: BRASS OR EQUIVALENT UPON INTEL APPROVAL
CO NTACT F INISH: .000050u" MIN. NICKE L UNDER PLA T ING ;
SOLDER TAILS, 0.000100" MIN TIN ONLY SOLDER (LEAD FREE).
5. MARK WITH INTEL P/N AND REVISION PER INTEL MARKING
ST ANDARD 164997; PE R SEC 3.8 (PO LYET HYLENE BAG )
6 CRITICAL TO F UNCTIO N DIMENSIO N
7. ALL DIMENSIO NS SHO W N SHALL BE MEASURED FO R FAI
8. NOTE REMO VED
9. DEGAT E: FLUSH TO 0.35 BELOW STRUCTURAL THICKNESS
(GATE W ELL OR GATE RECESS ACCEPTABLE)
10. FLASH: 0.15 MAX.
11. SINK: 0.25 MAX.
12. EJECTOR MARKS: FLUSH TO -0.25
13. PARTING LINE MISMATCH NOT TO EXCEED 0.25.
14. EJECTION PIN BOSSES, GATING, AND TOOLING INSERTS REQUIRE
INTEL'S APPROVAL PRIOR TO TOO L CONSTRUCTION.
ALL EJECTION PIN BOSSES AND GATE FEATURES SHO W N
ARE FOR REF ERENCE O NLY.
15. EDGES SHOW N AS SHARP R 0.1 MAX.
16. TOOLING REQUIRED TO MAKE THIS PART SHALL BE THE
PROPERTY O F INTEL, AND SHALL BE PERMANENTLY MARKED
WITH INTEL'S NAME AND APPROPRIATE PART NUMBER.
17. ALL SECO NDARY UNIT DIMENSIO NS ARE FO R REFERENCE ONLY.
45 X 0.2 MIN
2X CHAMFER ALL ARO UND
CONTACT TO INSULATO R INTERFACE
AT SUPPLIERS OPTION
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