DFI GH551, Руководство пользователя

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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