MVP3 Main Board
17
SMI connector
is a 2-pin Berg strip, which is also called
“green”
or
“sleep”
connector. When SMI is turned from open to close and back to open, the system
will enter sleep mode immediately. This function is to make sure power saving is
working well. In PC system, it is used to connect to the push button SMI switch
located on the case front panel (if there is). The system can be forced to power
saving mode by pressing the SMI switch.
SMI
Operation
Open
Normal
Close
System will enter sleep mode
TB-LED
with a 2-pin Berg strip
on case front panel indicates the current speed
status of system. It is used to connect to the Turbo Led on the front panel of the
case (if there is).
Reset connector
is a 2 -pin keyed Berg strip, connected to the push button reset
switch on the case’s front panel. Shorting both pin 1& pin 2 can reset the
system, which is similar to the power off and then on again.
Pin
Operation
Open
Normal
Close Hardware reset
SPEAKER connector
is a 4-pin keyed Berg strip. It is used to connect to the case
speaker to the main board for sound purpose.
KEYLOCK
is a 2-pin connector. It is used to connect the key lock on the case
front panel (if there is). Keyboard may be disconnected with the system
through this function.
Pin
Operation
Open
Normal
Close
Short the connector to be disconnected with the system
POWER LED
is a 3-pin connector. It is used to connect to the LED on the
case front panel. The LED shows the status of the power.
