5
Table of Mainboard Components
Label
Component
AGP1
Accelerated Graphics Port
ATX1
Auxiliary power connector for Pentium 4 CPUs
ATX2
Power connector
AUDIO1
Front audio connector
BAT1
Three volt realtime clock battery
CASFAN1
Auxiliary case cooling fan
CDIN1
Primary CD-in connector
CDIN2
Secondary CD-in connector
CNR1
Communications Networking Riser slot
COM2
Onboard serial port header COM2
CPU SOCKET
Micro PGA 478-pin socket for Pentium 4 CPUs
CPUFAN1
Cooling fan for CPU
DIMM1 ~ DIMM2
Two 168-pin SDRAM
FLOPPY1
Floppy disk drive connector
IDE 1
Primary IDE channel
IDE 2
Secondary IDE channel
J2
Smart I/O interface header
JP1
Clear CMOS jumper
JP2
BIOS protection jumper
LED1
1
Memory module LED
PANEL1
Connector for case front panel switches and LED indicators
PCI1 ~ PCI3
Three 32-bit add-on card slots
PWRFAN1
Case fan connector 2
SIR1
Infrared cable header
SPEAKER1
Speaker connector
USB2
Front panel USB headers
USB3
Front panel USB headers
WOL1
Wake On LAN wakeup connector
WOM1
Wake On Modem wakeup connector
This concludes Chapter 1. The next chapter explains how to install the main-
board.
1
The red indicator LED1 turns on if your system is still powered, at which
time memory modules cannot be installed or uninstalled.