11
Chapter 2
HARDWARE INSTALLATION
User's Manual |
GHF51
SMBus
Front Panel
X
I/O Connectors
X
I/O Connectors
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.
RESET - Reset Switch
This switch allows you to reboot without having to power off the system.
Power/Standby LED
When the system’s power is on, this LED will light up. When the system is in the S1 (POS -
Power On Suspend) state, it will blink at 1-second intervals. When the system is in the S3 (STR
- Suspend To RAM) state, it will blink at 4-second intervals.
Power Button
This switch is used to power on or off the system.
SMBus Pin Assignment
Front Panel Pin Assignment
Pin Assignment
Pin Assignment
1
N.C.
2
SMBus_Alert
3
SMBus_DATA
4
SMBus_Clock
5
GND
6
3V3SB
Pin Assignment
Pin Assignment
1
N.C.
2
Reset
3
Power LED
4
GND
5
Power LED (3V3SB)
6
Power Button
SMBus
Front Panel
Top View
Top View
1
5
6
2
1
5
6
2
