User's Manual
Mechanical Drawings
Thermal and Mechanical Design Guidelines 33
Figure 14. (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
.39 9
.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 T O BE USED IN CONJUNCTIO N W ITH SUPPLIED 3D
DATABASE FILE. ALL DIMENSIO NS AND TOLERANCES O N THIS
DRAW ING TAKE PRECEDENCE OVER SUPPLIED FILE AND ARE
APPLICABLE AT PART FREE, UNCONSTRAINED STATE UNLESS
INDICATED O THERW ISE.
2. TO LERANCES O N DIMENSIO NED AND UNDIMENSIONED
FEATURES UNLESS O THERW ISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS.
FO R FEAT URE SIZES < 10M M: LINEAR .07
FO R FEAT URE SIZES > 10M M: LINEAR .08
ANG LES: 0.5
3. M AT ERIALS:
INSULATO R: PO LYCARBO NATE THERMO PLASTIC, UL 94V-0, BLACK (739)
(REF. G E LEXAN 3412R-739)
CONTACT: BRASS OR EQUIVALENT UPON INTEL APPROVAL
CO NT ACT FINISH: .000050u" MIN. NICKEL UNDER PLATING ;
SO LDE R T AILS, 0.000100" MIN T IN O NLY S O LDE R (LEAD FREE).
5. MARK W ITH INTEL P/N AND REVISIO N PER INTEL MARKING
STANDARD 164997; PER SEC 3.8 (POLYETHYLENE BAG)
6 CRITICAL TO FUNCTIO N DIMENSIO N
7. ALL DIMENSIONS SHO W N SHALL BE MEASURED FO R FAI
8. NO T E REM O V ED
9. DEG ATE: FLUSH TO 0.35 BELO W ST RUCT URAL THICKNESS
(G ATE W ELL OR GATE RECESS ACCEPTABLE)
10. F LASH: 0.15 MAX.
11. SINK: 0.25 M AX .
12. EJECTOR MARKS: FLUSH TO -0.25
13. PARTING LINE MISMAT CH NOT TO EXCEED 0.25.
14. EJECTIO N PIN BO SSES, G AT ING , AND TO O LING INSERTS REQ UIRE
INTEL'S APPRO VAL PRIO R TO TO O L CONST RUCTIO N.
ALL EJECTION PIN BOSSES AND GATE FEATURES SHO W N
ARE F O R REFERENCE O NLY.
15. EDG ES SHO W N AS SHARP R 0.1 MAX.
16. TO O LING REQ UIRED TO MAKE THIS PART SHALL BE THE
PRO PERTY OF INTEL, AND SHALL BE PERMANENTLY MARKED
WITH INTEL'S NAME AND APPROPRIATE PART NUMBER.
17. ALL SECO NDARY UNIT DIMENSIONS ARE FOR REFERENCE O NLY.
45 X 0.2 M IN
2X CHAMFER ALL ARO UND
CONTACT TO INSULATOR INTERFACE
AT SUPPLIERS OPTION