Asus P4B-LS Motherboard DIY Troubleshooting Guide - Page 24

Motherboard layout

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2.2 Motherboard layout PS/2KBMS T: Mouse B: Keyboard USB1 USB2 COM1 22cm (8.7in) Socket 478 PWR_FAN CPU_FAN OVER_VOLT SDRVOL USBPWR1 ATX Power Connector AUX+12V FLOPPY DIMM Socket 1 (64/72-bit, 168-pin module) DIMM Socket 2 (64/72-bit, 168-pin module) DIMM Socket 3 (64/72-bit, 168-pin module) PARALLEL PORT PRIMARY IDE 30.5cm (12.0in) COM2 GAME_AUDIO Line Intel 845 Out Memory Line Controller In Hub (MCH) SECONDARY IDE Mic In MICF SPEAKER ATX12V Accelerated Graphics Port (AGP+1.5V) WARNING 01 23 45 ® P4B-LS SWITCH AAPANEL CD1 AUX Audio Codec PCI1 PCI2 PCI3 Intel I/O Controller Hub (ICH2) MS SD CLRCMOS CR2032 3V Lithium Cell CMOS Power SMART MODEM SPDIFOUT USB2 FUSB AUD_EN1 PCI4 LED1 ASUS Proprietary Expansion Slot PCI6 CNR Super I/O 2Mbit Firmware Hub JEN SPEECH CHASSIS SMB ASUS ASIC with Hardware Monitor SMARTCON CHA_FAN AFPANEL KBPWR PANEL Figure 2-2 Motherboard Layout The audio CODEC, external GAME/AUDIO connectors, internal audio connectors are optional components, and present in audio models only. The components are grayed in the above motherboard layout. For System Integrators: The SD and MS connectors may or may not be mounted depending on required specifications. 2-2 Chapter 2: Hardware information

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2-2
Chapter 2: Hardware information
2.2
Motherboard layout
The audio CODEC, external GAME/AUDIO connectors, internal audio
connectors are optional components, and present in audio models
only. The components are grayed in the above motherboard layout.
For System Integrators:
The SD and MS connectors may or may not be mounted depending on
required specifications.
Figure 2-2
Motherboard Layout
2Mbit
Firmware
Hub
22cm (8.7in)
30.5cm (12.0in)
PWR_FAN
PCI1
PCI2
PCI4
PCI3
PANEL
FLOPPY
SECONDARY IDE
PRIMARY IDE
Intel I/O
Controller
Hub
(ICH2)
P4B-LS
CHA_FAN
SWITCH
®
Accelerated Graphics Port
(AGP+1.5V)
ASUS
ASIC
with
Hardware
Monitor
CR2032 3V
Lithium Cell
CMOS Power
ATX Power Connector
USB2
CPU_FAN
ATX12V
USBPWR1
JEN
COM1
PARALLEL PORT
COM2
PCI6
Socket 478
Intel 845
Memory
Controller
Hub (MCH)
LED1
CNR
PS/2KBMS
T: Mouse
B: Keyboard
USB1
USB2
SPDIFOUT
CD1
AUX
Super
I/O
MODEM
AFPANEL
SMARTCON
MS
SD
GAME_AUDIO
Mic
In
Line
Out
Line
In
SDRVOL
AUD_EN1
Audio
Codec
KBPWR
FUSB
AUX+12V
CHASSIS
SMB
SMART
CLRCMOS
SPEECH
AAPANEL
MICF
SPEAKER
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
ASUS Proprietary Expansion Slot
OVER_VOLT
WARNING