Front Panel Header; Hard Drive Activity Led; Atx 20-Pin Power Connector - ECS 845PE-A800 Manual

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
ATX12V: ATX 12V Power Connector
Pin Signal Name
1
Ground
2
Ground
3
+12V
4
+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 Name
1 HD_LED_P
3 HD_LED_N
5 RST_SW_N
7 RST_SW_P
9 RSVD
* MSG LED (dual color or single color)

Hard Drive Activity LED

Connecting pins 1 and 3 to a front panel mounted LED provides visual indication that data
is being read from or written to the hard drive. For the LED to function properly, an IDE
drive should be connected to the onboard IDE interface. The LED will also show activity
for devices connected to the SCSI (hard drive activity LED) connector.
Installing the Motherboard
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 Signal Name
Hard disk LED+ 2 FP PWR/SLP
Hard disk LED- 4 FP PWR/SLP
Reset Switch 6 PWR_SW_P
Reset Switch
8 PWR_SW_N
Reserved 10 Key
Function
*MSG LED+
*MSG LED-
Power Switch
Power Switch
No pin
11