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1.3 Motherboard Layout (P4i45GL)
PS/2
Mouse
PS/2
Keyboard
VGA
LAN
(optional)
USB 2.0
Ports
28
USB 2.0
Ports
27
Line out
Line
Line in
In
Mic
Mic in
In
26
25
24
AUDIO1
23
JR1 JL1
22
21
AUDIO
20
CODEC
2MB
19
BIOS
1
CPU Fan Connector (CPU_FAN1)
3
CPU Heatsink Retention Module
5
184-pin DDR DIMM Slots (DDR DIMM1- 2)
7
Primary IDE Connector (IDE1, Blue)
9
South Bridge Controller
11
External Speaker Connector (SPEAKER1)
13
Infrared Module Connector (IR1)
15
Clear CMOS (CLRCMOS0, 2-pin jumper)
17
Serial Port Connector (COM1)
19
BIOS FWH Chip
21
PCI Slots (PCI 1- 2)
23
JR1 Jumper
25
PCI LAN (Optional)
27
Internal Audio Connector: CD1 (Black)
3
1
2
17.8cm (7.0 in)
1
PS2_USB_PWR1
CPU_FAN1
mPGA478B
Intel
845GL
Chipset
PCI
LAN
PCI 1
PCI 2
FLOPPY1
COM1
AMR1
1
18
17
5
4
0
1
2
3
Intel
ICH4
CMOS
Battery
SPEAKER1
USB45
IR1
1
1
CLRCMOS0
16
15
14
13
2
PS2_USB_PWR1 Jumper
4
CPU Socket
6
ATX Power Connector (ATXPWR1)
8
Secondary IDE Connector (IDE2, Black)
10
Chassis Fan Connector (CHA_FAN1)
12
System Panel Connector (PANEL1)
14
USB 2.0 Header (USB45, Blue)
16
Floppy Connector (FLOPPY1)
18
AMR Slot (AMR1)
20
AUDIO CODEC
22
JL1 Jumper
24
Front Panel Audio Connector (AUDIO1)
26
Internal Audio Connector: AUX1 (White)
28
North Bridge Controller
6
7
8
IDE1 IDE2
9
CHA_FAN1
10
11
1
PLED PWRBTN
PANEL 1
1
HDLED
RST
12
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