Asus K8N K8N User's manual for English Version E1868 - Page 16

Motherboard overview - socket 754

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PRI_IDE SEC_IDE 30.5cm (12.0in) 1.5 Motherboard overview 1.5.1 Motherboard layout PS/2KBMS T: Mouse B: Keyboard SPDIF_O1 SPDIF_O2 ATX12V 24.5cm (9.6in) CPU_FAN ATX Power Connector DDR DIMM1 (64 bit,184-pin module) DDR DIMM2 (64 bit,184-pin module) DDR DIMM3 (64 bit,184-pin module) PARALLEL PORT Socket 754 COM1 USB1 USB2 USB2.0 Top: T: USB3 RJ-45 B: USB4 Top: Rear Surround L/R Middle: Side surround L/R Bottom: Center/Subwoofer Top:Line In Center:Line Out Below:Mic In USBPW12 USBPW34 FP_AUDIO CD AUX 10/100 LAN PHY PWR_FAN SATA2 SATA1 Audio Codec Accelerated Graphics Port (AGP) PCI1 PCI2 R PCI3 Super I/O PCI4 K8N PCI5 GAME nVIDIA nForce3 250 4Mbit BIOS CHA_FAN USBPW56 USBPW78 FLOPPY CR2032 3V SB_PWR Lithium Cell CMOS Power USB56 USB78 CLRTC CHASSIS PANEL USBPW12 USBPW34 12 23 +5V (Default) +5VSB USBPW56 USBPW78 12 23 +5V (Default) +5VSB CLRTC 12 23 Normal Clear CMOS (Default) IDE_LED+ IDE_LED- PWR Ground Reset Ground PLED+ PLED+5V Ground Ground Speaker PANEL Speaker Power LED Connector Reset SW ATX Power IDE_LED Switch* * Requires an ATX power supply. 1-6 Chapter 1: Product introduction

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1-6
Chapter 1: Product introduction
1.5
Motherboard overview
1.5.1
Motherboard layout
PCI1
PANEL
K8N
R
CR2032 3V
Lithium Cell
CMOS Power
CD
AUX
Super
I/O
4Mbit
BIOS
Accelerated Graphics Port (AGP)
FP_AUDIO
Audio
Codec
USB2.0
T: USB3
B: USB4
Top:
RJ-45
GAME
ATX12V
CHASSIS
PRI_IDE
SEC_IDE
ATX Power Connector
USB1
USB2
nVIDIA
nForce3
250
10/100
LAN
PHY
USB78
SB_PWR
CHA_FAN
USBPW12
USBPW34
24.5cm (9.6in)
30.5cm (12.0in)
PS/2KBMS
T: Mouse
B: Keyboard
DDR DIMM1 (64 bit,184-pin module)
DDR DIMM2 (64 bit,184-pin module)
DDR DIMM3 (64 bit,184-pin module)
PCI2
PCI3
PCI4
PCI5
SATA1
USB56
SATA2
CPU_FAN
PWR_FAN
Socket 754
CLRTC
Below:Mic In
Center:Line Out
Top:Line In
FLOPPY
Bottom:
Center/Subwoofer
Middle:
Side surround L/R
Top:
Rear Surround L/R
PARALLEL PORT
COM1
SPDIF_O1
SPDIF_O2
USBPW56
USBPW78
* Requires an ATX power supply.
PLED-
PWR
+5V
Speaker
Speaker
Connector
Power LED
Ground
Reset SW
IDE_LED
IDE_LED+
Ground
Reset
Ground
Ground
ATX Power
Switch*
PLED+
IDE_LED-
PANEL
3
2
2
1
+5V
(Default)
+5VSB
USBPW56
USBPW78
3
2
2
1
+5V
(Default)
+5VSB
USBPW12
USBPW34
2
1
3
2
CLRTC
Normal
Clear CMOS
(Default)