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7
Table of Mainboard Components
Label
Component
1394A-J2
IEEE 1394A header
AGP1
Accelerated Graphics Port
ATX1
Standard 20-pin ATX power connector
AUDIO1
Front audio connector
BAT1
Three volt realtime clock battery
BAKFAN1
Case fan connector 2
CHSFAN1
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
CHSFAN1
Chassis Fan connector
CPUFAN1
Cooling fan for CPU
DIMM1, DIMM2, DIMM3 Three 184-pin DDR SDRAM
FDD1
Floppy disk drive connector
FIDJP1
CPU ratio selector
IDE 1
Primary IDE channel
IDE 2
Secondary IDE channel
IR1 Infrared
port
SMI1
System Management Interrupt
J5/J6
Serial ATA header
JP1
Clear CMOS jumper
JP6
Serial ATA jumper
LED1
1
Memory
module
LED
PANEL1
Connector for case front panel switches and LED indica-
tors
PCI1 ~ PCI5
Five 32-bit add-on card slots
SJ1
Single color LED header
SPEAKER1 Speaker
connector
SPDIFO1
SPDIF out header
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.