2
Hardware Installation
15
2.1 System Board Layout
Chapter 2 - Hardware Installation
NS80-EA
(Supports IEEE 1394A and onboard LAN)
J1
KB
Mouse
USB
1
USB
2
JUSB1
COM 1 (J4)
Parallel (J6)
COM 2 (J3)
+12V power
(ATXP1)
3
4
1
2
LAN
CN2
USB
3
USB
4
Line- in Line- out
Mic-in
CN1
Phy
AC’97
2
1
10
9
Front audio
(J2)
CD-in (J5)
AUX-in (J7)
4CH audio (J8)
2
1
7
BIOS
PCI standby
power LED
I/O
chip
IrDA (J13)
Clear CMOS (JP2)
Battery
1394A (J14)
1394A
(J15)
1394A (J17)
FDD
Chassis
fan (J20)
IDE 1
IDE 2
SiS
648
SiS
963
DDR 1
DDR 2
DDR 3
AT
X
m
ain
po
we
r
(A
TXPWR1)
CPU fan (J16)
Sock
et
478
AGP Slot
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot 4
PCI Slot 5
PCI Slot 6
J18
PWR-LED
ATX-SW G-SW
HD-LED
SPEAKER
RESET
USB 5/6 (J19)
15
2
1
Game/MIDI
(J9)
Realtek
RTL8801
2
1
10
9
2
1
10
9
2
1
10
9
2
1
10
9
DIMM
standby
power LED
S/PDIF-in/out (J11)