Lucky Star 5MVP4, Руководство пользователя

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VT8501 Main Board 21
SOFT-PWR is ATX Soft-PWR with 2 pins. SOFT-PWR is for ATX power supply
only.
PW-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.
SPEAKER is a 4-pin keyed Berg strip. It is used to connect to the case speaker to
the main board for sound purpose.
RESET 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.
HD-LED (Hard Disk activity LED connector) is a 2-pin keyed Berg strip. It is
used to connect to front panel Hard Disk LED.
TB-LED with a 2-pin keyed Berg strip on case front panel indicates the current
speed status of system.
EXTSMI is a 2-pin keyed 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