14
2
Hardware Installation
2.1 System Board Layout
Chapter 2 - Hardware Installation
KB
Mouse
USB
1
USB
2
Game/MIDI:
CN6
Line-
out
CN4
Line-
in
CN5
Mic-
in
CN7
J5
J9
COM 1
CN1
Parallel
CN2
COM 2
CN3
Wake-On-
KB/Mouse (JP1)
Socket 478
CPU fan
(J3A)
AT
X
M
ain
Powe
r
System fan
(J8)
Auxiliary power
(ATXP3)
J12
J11
Secondar
y
IDE
Pr
imar
y
IDE
Battery
15
11
5
1
Firmware
Hub
Wake-On-LAN
J20
IrDA (J19)
I/O
chip
PCI Standby Power LED
AC’97
2
1
9
10
Front audio
(J16)
CPU FSB select
(JP2)
+12V power
(ATXP2)
4
3
2
1
Intel
82801
ICH2
USB 4 select
(J24 and J25)
CD-in
(J10)
DIMM Standby
Power LED
AGP Slot
PCI 1 Slot
PCI 2 Slot
PCI 3 Slot
PCI 4 Slot
PCI 5 Slot
CNR Slot
J2
J1
J4
J7
J6
AUX-in
(J13)
TAD (J14)
Wake-On-Ring (J15)
J17
Chassis
open
DDR SDRAM
DIMM 1
ATXP1
DDR SDRAM
DIMM 2
J24
J25
Factory use only
(J1/J2/J4/J6/J7)
USB 1
(Black)
Mouse
(Green)
KB
(Purple)
COM 1
COM 2
Parallel
(Burgundy)
Game/MIDI
(Gold)
Line-In
(Light Blue)
Line-Out
(Lime)
Mic-In
(Pink)
USB 2
(Black)
Square denotes pin 1
(Teal/Turquoise)
PWR-LED
HD-LED
J27
ATX-SW
G-LED G-SW
RESET
SPEAKER
J18
FDD
Clear CMOS
(JP3)
Chassis fan
(J22)
USB 3, 4
(J21/J23)
Intel
82845E
MCH
AGP Warning LED