Contec SEH-9450-LAS Manual Do Utilizador

3. Hardware Installations 

 

 

 

 

16 

SEH-9450-LAS 

FP1 consist of header can be connected to a front panel power switch.    The front panel connector 
includes headers for these I/O connections: 

This header can be connected to a power push switch for ATX power supply. 

This header can be connected to a reset push switch. 

This header can be connected to an LED that will light when the computer is powered on. 

This header can be connected to an LED to provide a visual indicator that data is being read from or 
written to an IDE hard drive.    For the LED to function properly, the IDE drive must be connected to the 
onboard IDE controller.   

A speaker can be installed on the SEH-9450-LAS as a manufacturing option.    The speaker is connected 
by a jumper on pins 9, 11, 13, 15 of the front panel connector.   
The speaker (on-board or off-board) provides error beep code information during the POST in the event 
that the computer cannot use the video interface.    The speaker is not connected to the audio subsystem 
and does not receive output from the audio subsystem. 

Pin No.

1

3

5

7

9

11

13

15

Function

Power BT

GND

RESET

GND

VCC

N.C.

N.C.

BUZZER

Pin No.

2

4

6

8

10

12

14

16

Function

VCC

IDE ACT

N.C.

VCC

N.C.

GND (for Power LED)

N.C.

N.C.

1

15

HDD Active Indicator LED

Power LED

Power Switch

for ATX

External Speaker

( E x .   8

Ω   0 . 2 5 W)

Reset Switch

Speaker

Reset Button

Power LED

9, 11, 13, 15

5, 7

8, 10, 12

Power Button

HDD LED

1, 3

2, 4

FP1

1

15

2

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