Figure A-1. Board Keepin / Keepout Zones (Sheet 1 of 2)
8 7 6 5 4 3 2
H
G
F
E
D
C
B
A
8 7 6 5 4 3 2 1
H
G
F
E
D
C
B
A
R
52.00
0.00
39.45
2X 23.00
2X 23.00
39.45
42.00
52.00
52.00
0.00
45.00
9.70
9.70
R2.50
2X 34.57
2X 34.57
42.00
2X 849.99
2X 840.52
2X 840.52
2X 849.99
2X 23.00
2X 23.00
2X 34.60
2X 34.60
38.38
2X 849.99
2X 840.52
2X 840.52
2X 849.99
45.00
30.99
38.38
17.00
48.20
30.99
40.00
40.00
40.00
40.00
4X (NO ROUTING)6.50
4X
LOCATION 0.1 RADIAL TRUE POSITION
RELATIVE TO SOCKET CENTER
4.50
+0.05
-0.03
4X (NO ROUTING)6.50
R TYP5.0
17.00
2X 34.18
2X 34.18
48.20
43.00
43.00
26.58
14.45
26.58
15.53
2X 25.57
2X 25.57
4X NPTH
LOCATION 0.1 RADIAL TRUE POSITION
RELATIVE TO SOCKET CENTER.
3.80
+0.05
-0.03
(104.00)
(104.00)
(46.00)
(69.20)
()7.00
()7.00
(80.00)
(80.00)
REVISION HISTORY
ZONE REV DESCRIPTION DATE APPROVED
- 1.2
RELEASED
Jan-08-10 T.Ault
C-4 1.3
4.50 HOLE AND 6.50 RKO CHANGED FROM
4.03 AND 5.50 TO MATCH BOARD LAYOUT.
JAN-22-10 T.AULT
SHT 2
1.4
BACK SIDE KOZ CHANGED TO 72X82 (WAS 59X82)
MAY-17-10 K.KOZYRA
E76352 1 1.4
DWG. NO SHT. REV
DEPARTMENT
2200 MISSION COLLEGE BLVD.
P.O. BOX 58119
SANTA CLARA, CA 95052-8119
CMTE
TITLE
LGA 2011 SOCKET ATX KEEP-INS
SIZE DRAWING NUMBER REV
A1 E76352
1.4
SCALE: NONE
DO NOT SCALE DRAWING
SHEET 1 OF 2
N.A.N.A.
FINISHMATERIAL
DATEAPPROVED BY
-
DATECHECKED BY
DATEDRAWN BY
DATEDESIGNED BY
UNLESS OTHERWISE SPECIFIED
INTERPRET DIMENSIONS AND TOLERANCES
IN ACCORDANCE WITH ASME Y14.5M-1994
DIMENSIONS ARE IN MILLIMETERS
ALL UNTOLERANCED LINEAR
DIMENSIONS ±0.3
ANGLES ±0.5
THIRD ANGLE PROJECTION
PARTS LIST
DESCRIPTIONPART NUMBER
ITEM NO
QTY
E76352
TOP
NOTES:
1. DIMENSIONS ARE IN MILLIMETERS.
2 GEOMETRIC CENTER OF CPU PACKAGE / SOCKET HOUSING CAVITY.
3. BOARD COMPONENT KEEP-INS AND MECHANICAL COMPONENT KEEP-OUTS
TO BE UTILIZED WITH SUFFICIENT ALLOWANCES FOR PLACEMENT AND SIZE TOLERANCES,
ASSEMBLY PROCESS ACCESS, AND DYNAMIC EXCURSIONS.
4. ASSUME SYMMETRY FOR UNDIMENSIONED CORNERS AND EDGES.
5 REMOVED
6 NON-GROUNDED COPPER SURFACE ADDED TO INCREASE PCB DURABILITY.
7 COMBINED COMPONENT AND SOLDER PASTE HEIGHT INCLUDING TOLERANCES AFTER REFLOW.
8 REFERENCE TO THEORETICAL INTERSECTION.
BOARD PRIMARY SIDE
2
2
PACKAGE
BOUNDARY
PIN 1
REFERENCE
SOCKET
BOUNDARY
ROUTING KEEP-OUTS
COMPONENT VOLUMETRIC
KEEP-INS
LEGEND
SOCKET/THERMO/MECHANICAL COMPONENT KEEP-INS
10.0MM MAX COMPONENT HEIGHT 7
ROUTING AND COMPONENT KEEP-OUT
1.5 MM MAX COMPONENT HEIGHT 7
2.54 MM MAX COMPONENT HEIGHT 7
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