
Chapter 2 Hardware Configuration
Page: 2-10
PSB-1688LF USER
′
S MANUAL
2-11. EXTERNAL SPEAKER CONNECTOR
JP3 (2,4,6,8) :
External Speaker Connector
The pin assignment is as follows :
PIN ASSIGNMENT
2 VCC
4 GND
6 NC
8 P_SPK
2-12. POWER LED CONNECTOR
JP3 (1,3,5) :
Power LED Connector
The pin assignment is as follows :
PIN ASSIGNMENT
1 PW_LED
3 PW_LED
5 GND
2-13. ATX POWER BUTTON
JP3 (13,15) :
ATX Power Button
The pin assignment is as follows :
PIN ASSIGNMENT
13 PW_BN1
15 PW_BN2
JP3
1
2
19
20
EXT_SPEAKER
JP3
1
2
19
20
POWER_LED
JP3
1
2
19
20
POWER BUTTON