Figure 3-2.
LGA1156 Socket Contact Numbering (Top View of Socket)
30
30
30
30
29
29
29
29
28
28
28
28
27
27
27
27
26
26
26
26
25
25
25
25
24
24
24
24
23
23
23
23
22
22
22
22
21
21
21
21
20
20
20
20
19
19
19
19
18
18
18
18
17
17
17
17
16
16
16
16
15
15
15
15
14
14
14
14
13
13
13
13
12
12
12
12
11
11
11
11
10
10
10
10
9
9
9
9
8
8
8
8
7
7
7
7
6
6
6
6
5
5
5
5
4
4
4
4
3
3
3
3
2
2
2
2
1
1
1
1
18
A
A
A
A
C
C
C
C
E
E
E
E
G
G
G
G
J
J
J
J
L
L
L
L
N
N
N
N
R
R
R
R
B
B
B
B
D
D
D
D
F
F
F
F
H
H
H
H
K
K
K
K
M
M
M
M
P
P
P
P
T
T
T
T
U
U
U
U
W A A A C A E A G A J A L A N A R A U AW
W A A A C A E A G A J A L A N A R A U AW
W A A A C A E A G A J A L A N A R A U AW
W A A A C A E A G A J A L A N A R A U AW
V
V
V
V
Y A B A D A F A H A K A M A P A T A V A Y
Y A B A D A F A H A K A M A P A T A V A Y
Y A B A D A F A H A K A M A P A T A V A Y
Y A B A D A F A H A K A M A P A T A V A Y
Thermal/Mechanical Specifications and Design Guidelines
LGA1156 Socket
4 0
4 0
4 0
4 0
39
39
39
39
3 8
3 8
3 8
3 8
37
37
37
37
3 6
3 6
3 6
3 6
35
35
35
35
3 4
3 4
3 4
3 4
33
33
33
33
3 2
3 2
3 2
3 2
31
31
31
31
3 0
3 0
3 0
3 0
29
29
29
29
2 8
2 8
2 8
2 8
27
27
27
27
2 6
2 6
2 6
2 6
25
25
25
25
2 4
2 4
2 4
2 4
23
23
23
23
2 2
2 2
2 2
2 2
21
21
21
21
2 0
2 0
2 0
2 0
19
19
19
19
1 8
1 8
1 8
1 8
17
17
17
17
1 6
1 6
1 6
1 6
15
15
15
15
1 4
1 4
1 4
1 4
13
13
13
13
1 2
1 2
1 2
1 2
11
11
11
11