Introduction
Mainboard Layout
11
Key to Mainboard Components
NO.
Name Function
1 PGA478
CPU
socket
2
DIMM1~2
DDR SDRAM Memory module slots
3 IDE1
IDE
1
connector
4 IDE2
IDE
2
connector
5 FDC
Floppy
drive
connector
6
PCI1
32-bit PCI Slot
7 AGP1
Accelerated
Graphics
Slot
8 PW
ATX
standard
power
connector
9
CN2
ATX 12V power connector
10 JP1
Front
Panel
connector
11 SPDIF
S/P
DIF
connector
12
AUX
Audio AUX-In header
13
CD IN
Audio CD-In header
14
JP2
Front Mic-IN, Line-IN Audio connector
15 JP3
Front
speaker
connector
16 1394
1394
connectors
17 IR
IrDA
compliant
Infrared
(IR)
connector
18 LAN
CON
Extra
LAN
connector
(Optional)
19 USB1~3
Front
USB
Connectors
20 SATA
Serial
ATA
connectors
21 Game
Game
connector
(Optional)
22 COM2
COM2
connector
23
JP25
External Mouse / Keyboard (Optional)
24
CPU FAN
CPU FAN Connector
25 SYS
FAN
System
FAN
26 JP4
Clear
CMOS
27 BAT
RTC
battery
28 U20
Flash
BIOS
