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ACPI LED function
S0
Light
ATX1: ATX 20-pin Power Connector
Pin
Signal Name
1
+3.3V
2
+3.3V
3
Ground
4
+5V
5
Ground
6
+5V
7
Ground
8
PWRGD
9
+5VSB
10
+12V
Front Panel Header
The front panel header (PANEL1) provides a standard set of switch and LED headers
commonly found on ATX or Micro-ATX cases. Refer to the table below for information:
Pin
Signal
1
HD_LED_P Hard disk LED(+)
3
HD_LED_N Hard disk LED(-)
5
RST_SW_N Reset Switch(-)
7
RST_SW_P
9
RSVD
* MSG LED (dual color or single color)
S1
S3
Blinking
Blinking
Pin
Signal Name
11
+3.3V
12
-12V
13
Ground
14
PS ON#
15
Ground
16
Ground
17
Ground
18
-5V
19
+5V
20
+5V
Function
Pin
2
4
6
Reset Switch(+)
8
Reserved
10 Key
Installing the Motherboard
S4/S5
Dark
Signal
Function
FP PWR/SLP *MSG LED(+)
FP PWR/SLP *MSG LED(-)
PWR_SW_P Power Switch(+)
PWR_SW_N Power Switch(-)
No pin
11
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