User`s manual

Hardware Installation
3-3
3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS
t I/O Ports Connector
USB USB port.
IDE1 For Primary IDE port.
IDE2 For Secondary IDE port.
KB For Keyboard port.
PS/2 For PS/2 Mouse port.
FLOPPY For Floppy port
COMB For Serial port2 (COM B).
COMA For Serial port1 (COM A).
POWER For AT Power Connector.
ATX POWER For ATX Power Connector.
LPT For LPT port.
t CPU
For Pentium

II / III / Celeron processor installed
t IR : INFRARED Connector (IR) -- Function Option
Pin Function
1 IR Data Output
2 GND
3 IR Data Input
4 NC
5 POWER (+)
t PWR : POWER ON LED/ Key-Lock
Pin Function
1 LED anode (+)
2 LED cathode (−)
3 LED cathode (−)
4 Key-Lock
5 GND
t SPK : SPEAKER Connector
Pin Function
1 VCC
2 NC
3 NC
4 Data