User's Manual
Mechanical Drawingss 
38     Thermal and Mechanical Design Guidelines 
Figure 19. (G)MCH Reference Heatsink for Balanced Technology Extended (BTX) Platforms – Clip 
A
A
A
A
B
B2X  90
27.3
1.075[]
47.36
1.865[]
R
 TYP
1.3
.051[]
8.87 1.25
.34 9
.04 9[]
4 X R 1 .8
.0 7 1[]
3.8
.150[]
62.6 1
2.465
.039[]
25.14
.990[]
W IR E TER MIN ATIO N 
WITHIN 
10.0
4.1
.1 6 1[]
2X 26.16
1.030[]
35.3
1.390[]
()1.80
.07 1[]
()3.80
.150[]
()10.27
.40 4[]
NOTES:
1. R EMOVE ALL SH AR P ED GES AN D BUR R S
2. MATERIAL: ASTM A228 MU SIC  WIRE   1.8 MM STOC K
3. TOTAL WIRE LENGTH = 121.9 MM
4  CRITICAL TO FUNCTION DIMENSIONS
5. PLATING: ELEC TR O-LESS N ICKEL
4
4
FAR SIDE
FAR SIDE
FAR SIDE
VIEW A
SEE DETAIL  C
SECTION   B-B
SCALE  10:1
DETAIL  C
SC ALE  8:1
A3
A1
A2
A1
A3
A2










