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 Power
connector
AUDIO1 Mic/speaker-out
connector
BT1
Three volt realtime clock battery
CASFAN1
Auxiliary case cooling fan
CD1
Primary CD-in connector (Sony)
CD2
Secondary CD-in connector (Panasonic)
CNR1
Communications Networking Riser slot
CPU SOCKET
CPU Socket (mPGA478)
CPUFAN1
Cooling fan for CPU
DDR1 ~ DDR3
Three 184-pin DDR DIMM sockets
FDD1
Floppy disk drive connector
IDE 1
Primary IDE channel
IDE 2
Secondary IDE channel
IDE 3
Third IDE channel for ATA 66/100 (RAID)
IDE 4
Fourth IDE channel for ATA 66/100 (RAID)
JP1
Clear CMOS jumper
JP2
CPU bus speed select jumper
LED1
LED 2.5 VSB for DDR SDRAM (red)
PANEL1
Panel connector for case switches and LEDs
PCI1 ~ PCI5
Five 32-bit add-on card slots
SJ1
Single-color LED header
SIR1
Serial infrared port
SMI1
External System Management Interrupt header
SPDIF_4P
SPDIF out header
USB2/USB3
Connector for front panel USB ports
Note:
LED1 is usually connected to a light that indicates that the computer is
powered on. Do not install hardware or disconnect power cables while the
LED is on.
This concludes Chapter 1. The next chapter explains how to install the
mainboard.
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