6
Table of Mainboard Components
Label
Component
1394A_J1/1394A_J2
IEEE 1394A header
AGP1
Accelerated Graphics Port
ATX1
Standard 20-pin ATX power connector
ATX2
ATX12V power connector
AUDIO1
Front audio connector
BT1
Three volt realtime clock battery
CASFAN1
Case fan connector
CDIN1
Primary CD-in connector
CDIN2
Secondary 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~ DIMM3
Three 184-pin DDR SDRAM
FDD1
Floppy disk drive connector
IDE 1
Primary IDE channel
IDE 2
Secondary IDE channel
IR1
Infrared port
J4/J2
Serial ATA connector
JP1
Clear CMOS jumper
LED1
1
Memory module LED
PANEL1
Connector for case front panel switches and LED indicators
PCI1 ~ PCI5
Five 32-bit add-on card slots
PWRFAN1
Power fan connector
SJ1
Single color LED header
SPEAKER1
Speaker connector
SPDIF1
SPDIF out header
USB2 ~ USB3
Connector for front panel USB ports
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.