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