2. Hardware Installations
SPI-8150-LVA, SPI-8151-LVA
25
2.21 Front Panel Connector: CN24
This header can be connected to a front panel power switch. The front panel
connector includes headers for these I/O connections:
Power switch
This header can be connected the power on switch when ATX power supply use.
Power LED
This header can be connected to an LED that will light when the computer is
powered on. And this LED can blink for into suspend mode.
HDD LED
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.
Speaker
The external speaker can be installed on the SPI-8150/1-LLVA as a option. The
external speaker is enabled by a jumper on pins 9, 11, 13, 15 of the front panel connector.
The speaker (onboard or external) provides error beep code information during the POST in
the event that the computer cannot use the video interface.
Pin No.
1
3
5
7
9
11
13
15
Sign name
Power BT
GND
RESET
GND
VCC
GND
GND
BUZZER
Pin No.
2
4
6
8
10
12
14
16
Sign name
VCC
IDE ACT
N.C.
VCC
VCC
GND
N.C.
N.C.
Speaker
Reset Button
Power LED
9, 11, 13, 15
5, 7
8, 10, 12
Power Button
HDD LED
1, 3
2, 4
1
15
HDD Active Indicator LED
Power LED
Power Switch
for ATX
External Speaker
( E x . 8
Ω
0 . 2 5 W )
Reset Switch
CN24
1
2
15
16
