20
Chapter 2
HARDWARE INSTALLATION
User's Manual |
GH551
X
Internal I/O Connectors
SMBus
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
Pin Assignment
1
3V3SB
2
GND
3
SMBus_Clock
4
SMBus_DATA
5
SMBus_Alert
6
---
Pin Assignment
Pin Assignment
1
DIO_7
2
DIO_6
3
DIO_3
4
DIO_4
5
DIO_5
6
DIO_2
7
DIO_1
8
DIO_0
9
5VSB
10
GND
Digital I/O
The 8-bit Digital I/O (DIO) connector allows for input/output signals of digital logical states de-
fined by voltage levels.
Digital I/O Pin Assignment
X
Internal I/O Connectors
1
2
10
1
5
2
2
1
9
1
1
1
1
2
10
9
1
2
39
40
1
1
1
1
1
1
1
1
9
10
2
2
5
6
1
2
5
6
1
1
1
2
10
1
5
2
2
1
9
1
1
1
1
2
10
9
1
2
39
40
1
1
1
1
1
1
1
1
9
10
2
2
5
6
1
2
5
6
1
1
1
2
10
1
5
2
2
1
9
1
1
1
1
2
10
9
1
2
39
40
1
1
1
1
1
1
1
1
9
10
2
2
5
6
1
2
5
6
1
1
1
2
10
1
5
2
2
1
9
1
1
1
1
2
10
9
1
2
39
40
1
1
1
1
1
1
1
1
9
10
2
2
5
6
1
2
5
6
1
1
