PSB PSB-1688LF, Operation Manual, Page: 22 / 90

Chapter 2 Hardware Configuration
PSB-1688LF USER
′
S MANUAL
Page: 2-11
2-14. IRDA CONNECTOR
IR1 : IrDA (Infrared) Connector
The pin assignments are as follows:
PIN ASSIGNMENT
1 VCC
2 NC
3 IRRX
4 GND
5 IRTX
2-15. CLEAR CMOS DATA SELECTION
JP5 : Clear CMOS Data Selection
The selections are as follows :
FUNCTION JUMPER SETTING
(pin closed)
JUMPER
ILLUSTRATION
Normal 1-2
1
JP5
Clear CMOS 2-3
1
JP5
*** Manufacturing Default is set as Normal.
Note: To clear CMOS data, user must power-off the computer and set the jumper to
“Clear CMOS” as illustrated above. After five to six seconds, set the jumper back
to “Normal” and power-on the computer.
IR1
1