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
.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 DRAWING TO B E USED IN CO NJUNCTIO N W IT H SUPP LIED 3D
DATABASE FILE. ALL DIMENSIO NS A ND TO LERANCES ON T HIS
DRAWING TAKE PRECEDENCE OVER SUPPLIED FILE AND ARE
APPLICABLE AT PART FREE, UNCONSTRAINED STATE UNLESS
INDICATED OTHERW ISE.
2. TOLERANCES ON DIMENS IONE D AND UNDIMENS IONE D
FEATURES UNLESS O THERW ISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS.
FOR FEATURE SIZE S < 10MM: LINEAR .07
FOR FEATURE SIZE S > 10MM: LINEAR .08
ANGLES: 0.5
3. MATE RIA LS:
INSULATOR: POLYCARBO NAT E T HERMO P LASTIC, UL 94V-0, BLACK (739)
(REF. GE LEXAN 3412R-739)
CONTACT: BRASS OR EQUIVALENT UPON INTEL APPROVAL
CONTACT F INIS H: .000050u" MIN. NICKEL UNDER PLA TING ;
SOLDER T A ILS , 0.000100" M IN T IN O NLY SO LDE R (LE AD FR EE ).
5. MARK WITH INTEL P/N AND RE VISIO N PER INT EL MA RKING
STANDARD 164997; PER SEC 3.8 (POLYETHYLENE BAG)
6 CRITICAL T O FUNCT ION DIM ENSIO N
7. ALL DIMENSIONS SHOW N SHALL BE ME ASURED F O R FA I
8. NOTE REM O VED
9. DEGATE: F LUSH T O 0.35 BELO W S TRU CTURA L THIC KNES S
(GATE WELL OR G A TE RECE SS A CCEPT ABLE)
10. FLASH: 0.15 M A X.
11. SINK: 0.25 M AX .
12. EJECTOR MARKS: FLUSH TO -0.25
13. PARTING LINE MISMATCH NO T TO EX CEED 0.25.
14. EJECTION PIN BOSSE S, G AT ING, A ND TO O LING INS ERTS REQ UIRE
INTEL'S APPROVAL PRIOR TO T O O L CONST RUCT ION.
ALL EJECTION PIN BOSSES AND GATE FEATURES SHOWN
ARE FOR REF ERE NCE O NLY.
15. EDGES SHOWN AS SHARP R 0.1 MAX.
16. TOOLING REQ UIRED TO M AKE THIS PA RT S HALL BE THE
PROPERTY OF INTEL, AND SHALL BE PERMANENTLY MARKED
WITH INTEL'S NAME AND APPROPRIATE PART NUMBER.
17. ALL SECONDARY UNIT DIMENSIONS ARE FO R REF ERENCE O NLY.
45 X 0.2 M IN
2X CHAMFER ALL AROUND
CONTACT TO INSULATOR INTERFACE
AT SUPPLIERS OPTION