BBS-1080S Datasheet, PDF (38/88 Pages) BOSER Technology Co., Ltd – 19” 1U Height Half-size Bare Bone System with Pentium 4 Embedded Engine Board & 180W P4 ATX P/S

CN5: Reset Button Connector
PIN
Description
12
1
GND
2
External Reset
CN6: Green LED Connector
PIN
1
2
Description
150Ω Pull +5V
ACTIVE#
4.18 External Speaker
Aside from the buzzer at location BZ1 onboard, the HS-4701 also offers
a connector (CN2) for an external speaker connection. The table below
lists the pin assignments of CN2.
CN2: External Speaker Connector
PIN Description
1
VCC
1
4
2
GND
3
GND
4
Speaker Signal
4.19 Audio Connectors
The HS-4701 has an onboard AC97 3D audio interface. The following
table list the pin assignments of the MIC In / Audio Out and Line In
connector.
CN1: MIC In / Audio Out Connector
PIN Description PIN Description
1
AOUT_L
2
AOUT_R
2
8
3
GND
4
GND
5
MIC_IN
6
N/C
1
7
7
GND
8
GND
30