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2-2
Chapter 2: Hardware information
2.2 Motherboard layout
Figure 2-2 Motherboard Layout
The audio codec, external and internal audio connectors, and LAN
features are optional components. The components are grayed out in
the above motherboard layout.
24.4cm (9.60in)
24.4cm (9.6in)
®
PS/2KBMS
T: Mouse
B: Keyboard
PCI3
PANEL
FLOPPY
SECONDARY IDE
PRIMARY IDE
Intel I/O
Controller
Hub
(ICH2)
P4B-MX
PCI_FAN
Accelerated Graphics Port (AGP)
CR2032 3V
Lithium Cell
CMOS Power
ATX Power Connector
2Mbit
Firmware
Hub
Multi
I/O
ATX12V
Intel 845
Memory
Controller
Hub (MCH)
AUX
CPU_FAN
USB
Audio
Codec
CD_IN
IR
BUZZER
LED1
USB1
USB2
Bottom:
RJ-45
Top:
COM1
PARALLEL PORT
COM2
PCI2
PCI1
Socket 478
DIMM Socket 1 (64/72-bit, 168-pin module)
0 1
DIMM Socket 2 (64/72-bit, 168-pin module)
2 3
DIMM Socket 3 (64/72-bit, 168-pin module)
4 5
GAME_AUDIO
Mic
In
Line
Out
Line
In
SYSTEM_FAN
HDDLED
SMB
SW1801
R272
KBPWR
USBPWR
LAN Controller