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6
Table of Mainboard Components
Label
Component
ATX1
Power connector
AUDIO1
Front-oriented microphone/line-out port header
BT1
Three volt realtime clock battery
CASEFAN1
Auxiliary case cooling fan
CDIN1
Primary CD-in connector
CDIN2
Secondary CD-in connector
CNR1
Communications Networking Riser slot
CPU1
Socket A for AMD Athlon processor
CPUFAN1
Cooling fan for CPU
DIMM1 ~ DIMM2
Two 184-pin DIMM sockets
FDD1
Floppy disk drive connector
FIDJP1
CPU ratio selector
IDE 1
Primary IDE channel
IDE 2
Secondary IDE channel
J3*
Serial IRQ header
J5
IEEE 1394A header
J6
IEEE 1394A header
JP1
Clear CMOS jumper
JP3
BIOS protection jumper
LED1
1
Memory module LED
PANEL1
Connector for case front panel switches and LED indica-
tors
PCI1 ~ PCI3
Three 32-bit add-in card slots
SIR1
Serial infrared cable header
SJ1
Single-color LED header
SPDIF1*
SPDIF out header
SPKR1
Speaker connector
USB2/3
Front panel USB headers
WOL1
Wake On LAN wakeup connector
WOM1
Wake On Modem wakeup connector
* Reserved for OEM use only
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.