VIA Technologies P4MA Instrukcja Użytkownika Pobierz pdf (Strona 28)

Installation

2-15

Power Button (PW_BN)

Connect to a 2-pin switch button. Pressing this button will turn the system

power on or off.

Reset Switch (RST_SW)

The Reset Switch is used to reboot the system rather than turning the power

ON/OFF. Avoid rebooting while the HDD is working. You can connect the

Reset Switch from the system case to this pin.

Power LED (PW_LED)

The LED is lit when the system is power on. If the system is in S1 (POS - Power

On Suspend) or S3 (STR - Suspend To RAM) state, the LED will blink.

HDD LED (HD_LED)

HDD LED shows the activity of a hard disk drive. Avoid turning the power off

while HDD LED is lit. Connect the HDD LED from the system case to this pin.

Sleep LED (SLP_LED)

The SLED is lit when the system is in the S1 (POS - Power On Suspend) state.

Speaker (SPEAKER)

The speaker from the system case is connected to this pin.

Socket 478

F_Panel

F_Panel2

PW_BN

HD_LED RST_SW

PW_LED

SPEAKER

SLP_LED

F_Panel Pin Definition

PIN SIGNAL PIN SIGNAL

1 5VDUAL 8 GND

2 +5V 9 SPEAK

3 5VDUAL 10 RST_SW

4 HD_LED 11 NC

5 PLED 12 GND

6 PW_BN 13 SPEAK

7 +SPEAK 14 NC

+SLP_LED

-SLP_LED

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 97 98

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VIA Technologies P4MA Instrukcja Użytkownika Strona 28