Asus A7N8X-X 16

1.4Motherboard layout

24.5cm (9.64in)

PS/2

T: Mouse

KBPWR1

B: Keyboard

USBPWR_34

USB3

USB4

COM1

PARALLEL PORT

USBPWR_12

Bottom:

Top:

USB1

RJ-45

USB2

Socket 462

nVidia nForce2 400 Chipset

CPU_FSB

CPU_FAN1

DDR DIMM1 (64/72 bit, 184-pin module)	DDR DIMM2 (64/72 bit, 184-pin module)	DDR DIMM3 (64/72 bit, 184-pin module)
			ATX Power Connector	FLOPPY1



				(12.0in)

Top:Line In

Center:Line Out

Below:Mic In

CHA_FAN1

Realtek	Accelerated Graphics Port (AGP)
RTL8201

0	1	2	3	4	5	SEC IDE1	PRI IDE1	30.5cm

CD1				2Mb
CD1				BIOS
				BIOS
FPAUDIO1	PCI 1		nForce2
	PCI 1

AUX1			MCP	Super
Audio			Chipset	Super
Codec	PCI 2		Chipset	I/O
SPDIF1				I/O

	® A7N8X-X
	PCI 3	CR2032 3V	CLRTC1
		Lithium Cell		COM2
		CMOS Power		COM2
		CMOS Power
			USB56
	PCI 4		USBPWR_56	GAME1
			ASUS
MODEM1	PWR_LED1		ASIC
MODEM1	PCI 5		with Hardware	IR_CON1
	PCI 5		Monitor	IR_CON1
			Monitor
				IDELED1
			PWRTMP1
			CHASSIS1	CTRL_PANEL1
				CTRL_PANEL1

1-6	Chapter 1: Motherboard Information

Contents

Page E1461 Revised Edition October Chapter 1: Motherboard Info Chapter 2: BIOS Information Chapter 3: Starting Up Federal Communications Commission Statement Canadian Department of Communications Statement This class B digital apparatus complies with Canadian ICES-003 Electrical safety Operation safety Conventions used in this guide Where to find more information ASUSTeK COMPUTER INC. (Asia-Pacific) ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Germany and Austria) ASUSTeK COMPUTER (Middle East and North Africa) Page Page ASUS A7N8X-XMotherboard Thank you for buying the ASUS® A7N8X-Xmotherboard Page NorthBridge Controller DDR DIMM Sockets ATX power connector Floppy Disk connector IDE Connectors Onboard LED S/PDIF connector Audio CODEC LAN chip AGP Slot Page Page 1.7.1Installing a DIMM 1.8.1 Configuring an expansion card Standard Interrupt Assignments 1.8.3 AGP slot 1.USB device wake-up (3-pinUSBPWR_12,USBPWR_34,USBPWR_56) 2.Central Processing Unit FSB (CPU_FSB) 3.Clear RTC RAM (CLRTC1) (optional) 4.Keyboard power (3-pinKBPWR1) 1.IDE connectors (40-1pin PRI_IDE1, SEC_IDE1) 2.Floppy disk drive connector (34-1pin FLOPPY1) 3.ATX power connectors (20-pinATXPWR1) 4.USB header (10-1pin USB56) (optional) 5.GAME/MIDI connector (16-1pin GAME1) (optional) 7. Chassis intrusion connector (4-1pin CHASSIS1) 8.Front panel audio connectors (10-1pin FP_AUDIO1) 9.Hard disk connector (2-pinIDELED1) 10.OnBoard LED 11.Internal audio connectors (4-pinCD1, AUX1, MODEM1) 12. Power Supply Thermal Sensor (2-pinPWRTMP1) 13. Serial Port 2 connector (10-1pin COM2) (optional) 14. Digital Audio Connector (6 pin SPDIF1) (optional) 15. Infrared Module connector (10-1or 10-2pin IR_CON1) (optional) 16.System panel connector (20-pinPANEL1) •System Power LED Lead (3-1pin PLED) •Keyboard Lock Lead (2-1pin KEYLOCK) •System Warning Speaker Lead (4-pinSPEAKER) •System Management Interrupt Lead (2-pinSMI) Page Page 2.1.1 Using the computer system for the first time 2.1.2 Updating BIOS procedures Updating BIOS via Built-inAwardBIOS Flash Utility Page Updating BIOS via Bootable Floppy Disk Page 2.2.1 BIOS menu bar 2.2.2 Legend bar General help Saving changes and exiting the Setup program Scroll bar Sub-menu System Date [mm/dd/yy] System Time [hh:mm:ss] Legacy Diskette A [1.44M, 3.5 in.] Halt On [All Errors] 2.3.1 Primary Master/Slave Cylinders Head Precomp 2.3.2 Secondary Master/Slave Advanced menu items 2.4.1 Advanced BIOS Features 2.4.2 Advanced Chipset Features CPU Frequency Multiple Setting [Auto] CPU Frequency Multiple [5.0x] System Performance [Optimal] CPU Interface [Optimal] Memory Frequency [By SPD] SDRAM RAS Precharge Delay [1] SDRAM CAS Latency [2.5T] FSB Spread Spectrum [Disabled] AGP Spread Spectrum [Disabled] CPU Vcore Setting [Auto] 2.4.3 Integrated Peripherals USB Controllers [V1.1+V2.0] USB Legacy Keyboard Support [Disabled] USB Legacy Mouse Support [Disabled] Onboard AC97 Audio Controller [Auto] Onboard AC97 Modem Controller [Auto] 2.4.4 Power Management Setup Video Off Method [DPMS Support] HDD Down In Suspend [Disabled] PWR button < 4 Secs [Suspend] Power Up on PCI Device [Enabled] Wake-PowerUp On Ext. Modem [Disabled] 2.4.5 PnP / PCI Configurations Page Security Option [Setup] Set Supervisor Password / Set User Password MB, CPU Temperature [xx C / xx F] VCORE Voltage, +3.3V Voltage, +5V Voltage, +12V Voltage CPU Fan Speed xxxx RPM or 0 RPM CHASSIS Fan Speed xxxx RPM or 0 RPM POWER Fan Speed xxxx RPM or 0 RPM Exit & Save Changes Exit & Discard Changes Load Setup Defaults Discard Changes Save Changes Page 3.2.1 Running the support CD 3.2.2 Drivers menu NVIDIA nForce Driver QFE Drivers USB 2.0 Driver 3.2.3 Utilities menu 3.2.4 ASUS Contact Information