ECS A785GM-AD3 (V1.0) Specifications download pdf (Page 29)

Installing the Motherboard

Front Panel Header

The front panel header (F_PANEL) 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 Function Pin Signal Function

1 HD_LED_P Hard disk LED (+)

2 FP PWR/SLP *MSG LED (+)

3 HD_LED_N Hard disk LED (-)

5 RST_SW_N Reset Switch (-)

7 RST_SW_P Reset Switch (+)

9 RSVD Reserved

4 FP PWR/SLP *MSG LED (-)

6 PWR_SW_P Power Switch (+)

8 PWR_SW_N Power Switch (-)

10 Key No pin

* MSG LED (dual color or single color)

ATX12V1: ATX 12V Power Connector

4 +12V

3 +12V

2 Ground

1 Ground

Pin Signal Name

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.

SPK: Internal speaker

Pin Signal Name

1 VCC

2 Key

3 NC

4 Signal

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 85 86

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ECS A785GM-AD3 (V1.0) Specifications Page 29