1 0
1.3 Motherboard Layout (P4i45G)
1
ATX power connector (ATXPWR1)
15
External speaker connector (SPEAKER1)
2
CPU socket
16
South Bridge controller
3
CPU fan connector (CPU_FAN1)
17
Clear CMOS (CLRCMOS0, 2-pin jumper)
4
North Bridge controller
18
PCI slots (PCI 1- 3)
5
184-pin DDR DIMM slots (Blue)
19
AUDIO CODEC
6
168-pin SDRAM DIMM slots (Black)
20
Front panel audio connector (AUDIO1)
7
Primary IDE connector (IDE1, Blue)
21
PCI LAN
8
Secondary IDE connector (IDE2, Black)
22
PS2_USB_PWR1 jumper
9
Chassis fan connector (CHA_FAN1)
23
Internal audio connector: AUX1(white)
10
Floppy connector (FLOPPY1)
24
Internal audio connector: CD1 (black)
11
BIOS FWH chip
25
Serial port connector (COM1)
12
System panel connector (PANEL1)
26
AMR slot (AMR1)
13
USB 2.0 header (USB45)
27
CPU heatsink retention module
14
Infrared module connector (IR1)
28
FSB jumper (FSB)
29
AGP slot (AGP1)
`
P4i45G
USB2.0
5.1CH
Mic
In
GAME
AUDIO1
USB01
LAN
USB23
Mic in
Line out
GAME
AUDIO1
P
A
RALLEL
P
OR
T
PS/2
PS/2
Mouse
Keyboard
VGA
Line
In
Line in
AT
X
P
W
R
1
1
0
3
2
DDR
DIMM1
(64/72
bit,
184-pin
module)
DDR
DIMM2
(64/72
bit,
184-pin
module)
SDR
D
IMM1
(64
bit,
168-pin
module)
SDR
D
IMM2
(64
bit,
168-pin
module)
3
2
0 1
5
6
8
7
FLOPPY1
FLOPPY1
FLOPPY1
10
FLOPPY1
USB45
1
13
SPEAKER1
1
IR1
1
14
1
HDLED
RESET
PLED
PWRBTN
1
1
12
PANEL 1
1
COM1
CHA_FAN1
9
CMOS
Battery
mPGA478B
2
PCI 1
PCI 2
PCI 3
AMR1
2MB
BIOS
Intel
ICH4
Intel
845G
Chipset
Super
I/O
PCI
LAN
21
1
AUDIO1
Audio CODEC
19
CPU_FAN1
1
22
PS2_USB_PWR1
24.4cm (9.6 in)
24.4cm
(9.6
in)
27
3
1
17
16
25
26
4
18
11
20
AUX1
CD1
23
24
15
AGP 1
29
IDE1
IDE2
1
FSB
CLRCMOS0
28