Internal I/O Connectors; Smbus - DFI WL051 User Manual
2.5" pico-itx motherboard
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X Internal I/O Connectors
SMBus
4
3
1
1 6
36
6
5
8
5
USB3_1/2
3
1
2
2
1
Intel
3
5
4
3
5 4
4
1
3
1
1
5
4
5
4
1
5
4
BGA 1528
1
1
4
5
1
3
5
5
4
3
1
4
1
4
9
5
1
5 4
6
4
A
1
3
1
3
5
5
1
13
4
5
3
1
WL051
3
1
3
3
6
4
6
1
2
1
1
D
BZ1
A
1
64
A
G
S
C
4
1
C
264
7
5
B
E
4
16
C
6
4
B
E
5
SO_DIMM1
1
1
3
259
5
1
6
4
145
143
DDR4 SODIMM
A
1
262
C
144
146
260
B
E
The SMBus (System Management Bus) connector is used to connect the SMBus device. It is a
multiple device bus that allows multiple chips to connect to the same bus and enable each one
to act as a master by initiating data transfer.
„ SMBus Pin Assignment
Pin
Assignment
1
3V3SB
3
SMBus_Clock
5
SMBus_Alert
User's Manual | WL051
4
1
1 6
1
4 6
6
6
1
1
1
HDMI_DP
1
1
1
3
3
1 3
1
3
3
6
3
4
1
6
4
6
4
6
4
1
2
1
D
2
S
3
1
G
4
5
52
40
1
24
16
15
SM_BUS
1
2
31
9
1
5
6
1
3
1
AUJ1
2
4
6
4
1
1
2
1
3
4
6
6
32
5
4
263
3
10
1
9
1
3
3
1
2
1
2
Front Audio
261
REV.1
2
Pin
Assignment
2
GND
4
SMBus_SDA
6
N.C.
Chapter 2
HARDWARE INSTALLATION
16
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