6
Table of Motherboard Components
Label
Component
AGP1
Accelerated Graphics Port
ATX1
Auxiliary power connector for Pentium 4 CPUs
ATX2
Standard 20-pin ATX power connector
AUDIO1
Front audio connector
BAT1
Three volt realtime clock battery
CASFAN1
Case fan connector 1
CDIN1
Primary CD-in connector
CNR1
Communications Networking Riser slot
CPU SOCKET
Micro PGA 478-pin socket for Pentium 4 CPUs
CPUFAN1
Cooling fan for CPU
DIMM1 ~ DIMM2
Two 184-pin DDR SDRAM
FDD1
Floppy disk drive connector
IDE 1
Primary IDE channel
IDE 2
Secondary IDE channel
JP1
Clear CMOS jumper
JP2
BIOS protection jumper
LED1
1
Memory module LED (optional)
PANEL1
Connector for case front panel switches and LED indicators
PCI1 ~ PCI2
Two 32-bit add-on card slots
PWRFAN1*
Case fan connector 2
SJ1*
Single color LED header
SPDIF1*
SPDIF out header
SPEAKER1 Speaker
connector
USB3
Front panel USB headers
USBCR1
USB Card Reader header
*Optional component
This concludes Chapter 1. The next chapter explains how to install the moth-
erboard.
1
The red indicator LED1 turns on if your system is still powered, at which
time memory modules cannot be installed or uninstalled.