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Asus A7N266 3.1Motherboard Layout, .3 SETUP H/W, Layout Motherboard, (Grayed components are optional at the time of purchase.)

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3.HARDWARE SETUP

3.1Motherboard Layout

24.5cm (9.64in)

USBPWR01

A7N266

PS/2

CPU_FAN

T: Mouse

Socket 462

B: Keyboard

Bottom:

Top:

CHA_FAN

USB1

RJ-45

USB2

Layout Motherboard

.3 SETUP H/W

COM1

PARALLEL PORT

VGA

AUDIO				Line
				Out
				Line
_				In
GAME				In
				Mic		BCS1 BCS2
				In




				INT_LINEIN
				INT_LINEIN
				INT_MIC
				HEADPHONE
				HEADPHONE

JEN

BSEL0

BSEL1

	(64/72 bit, 184-pin module)
nVidia	DIMM1
nForce
IGP-128	DDR
Chipset	DDR
Chipset
	®
	0	1

NB_FAN

DDR DIMM2 (64/72 bit, 184-pin module)

2 3

DDR DIMM2 (64/72 bit, 184-pin module)

4 5

VDDR

PLED	SecondaryIDE	PrimaryIDE
	SecondaryIDE	PrimaryIDE
ATX Power Connector
		FLOPPY

30.5cm (12.0in)

Media CMI8738

Accelerated Graphics Port (AGP Pro)

WARNING

CR2032 3V

Lithium Cell

CMOS Power

				C-

			SPDIF
			SPDIF





				AUD_EN



	AUX
	AUX		CD

	MODEM			Realtek RTL8100



			LAN_EN

PCI 1

nVidia

MCP

2Mb

Chipset

BIOS

PCI 2

Super

I/O

PCI 3

COM2

ASUS

ASIC Hardwarewith Monitor

CLRTC

PCI 4

JTPWR

VID1

VID2

VID3

VID4

IR

BUZZER

PCI 5

USBPWR45

IDELED

SMB

USBPWR23

ACR

USB45

USB23

PANEL

CHASSIS

(Grayed components are optional at the time of purchase.)

14	ASUS A7N266 User’s Manual

Contents

JumperFree™ DDR DRAM 266MHz FSB Product Name: ASUS A7N266 Manual Revision: 1.00 E853 Release Date: November ASUSTeK COMPUTER INC. (Asia-Pacific) Marketing Technical Support ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Europe) 2.1.3 Performance and Intelligence 3.7.1 Installing an Expansion Card 3.7.2 Assigning IRQs for Expansion Cards 3.7.3 Advanced Communication Riser (ACR) Slot 3.7.4 Accelerated Graphics Port (AGP) Pro Slot 5.3.3 Manual Installation of Drivers for Windows 98 7.2.4 Software Setup in Windows 98 Federal Communications Commission Statement •This device may not cause harmful interference, and •Re-orientor relocate the receiving antenna •Increase the separation between the equipment and receiver •Consult the dealer or an experienced radio/TV technician for help 1.1How This Manual Is Organized 1.2 Item Checklist 2.1ASUS A7N266 Motherboard 2.1.1 Core Specifications 2.1.2Connections 2.1.3Performance and Intelligence Two Onboard LEDs: green red warning Concurrent PCI: 2.2Motherboard Components 2.2.1Component Locations 3.1Motherboard Layout 3.2Layout Contents 3.3 Hardware Setup Procedure 3.4Motherboard Settings 2)Jumperless Setting (JEN) 3)CPU:DRAM Frequency Setting (BSEL0, BSEL1) Note CPU BSEL0 4)Voltage Regulator Output Setting (VID1, VID2, VID3, VID4) 5)DDR Voltage Setting (VDDR) Setting VDDR [3-4] 6)Bass / Center Setting (BCS1, BCS2) 7)Onboard Network Setting (LAN_EN) (LAN Models only) 8)Onboard Audio Setting (AUD-EN)(Audio Models only) 9)USB Device Wake-up(USB01PWR / USB23PWR / USB45PWR) 10)Clear RTC RAM (2-pinCLR_RTC) 1.Turn OFF the computer and unplug the power cord 2.Remove the battery 4.Re-installthe battery 5.Plug the power cord and turn ON the computer 3.5System Memory 3.5.1 DDR DIMM Support 3.5.2Memory Installation 3.5.4 General DIMM Memo 3.6Central Processing Unit (CPU) 3.7Expansion Cards 3.7.1 Installing an Expansion Card 3.7.2Assigning IRQs for Expansion Cards Standard Interrupt Assignments Interrupt Request Table for this Motherboard 3.7.3 Advanced Communication Riser (ACR) Slot 3.7.4Accelerated Graphics Port (AGP) Pro Slot 3.8Connectors 3.8.1 External Connectors 4)Parallel Port (Burgundy 25-pinPRINTER) Onboard Parallel Port 4.4.2 I/O Device Configuration) NOTE: Serial printers must be connected to the serial port NOTE Serial Port Connectors (Teal/Turquoise 9-pin COM1 pin COM2) Onboard Serial Port 1/2 8)Game/MIDI Ports (Gold 15-pinGAME_AUDIO) (optional) 9)Audio Connectors (Three 1/8” AUDIO) (optional) Line Out Line In Mic 10)IDE Activity LED (2-pinIDELED) 11)Floppy Disk Drive Connector (34-1pin FLOPPY) 12)Primary (Blue) / Secondary IDE Connectors (40-1pin IDE1/IDE2) NOTES: 2.The hole near the blue connector on the UltraDMA/100/66 cable is intentional TIP: You may configure two hard disks to be both Masters with two ribbon TIP: 13)CPU Fan, North Bridge Fan, and Chassis Fan Connectors (CPU, NB, CHA_FAN) These are not jumpers, do not place jumper caps over these connectors 14) USB Headers (10-1pin USB2_3, USB4_5) 15)Infrared Connector (10-1pin IrDA) 16)Power Supply Connectors (20-pinblock ATXPWR) IMPORTANT: Make sure that the ATX power supply (minimum recommended IMPORTANT: 17)SMBus Connector (5-1pin SMB) 18)Internal Audio Connectors (4-1pin CD, AUX, MODEM) (optional) 19)Internal Microphone Connector (3-pinINT_MIC) (optional) 20)Headphone True-levelLine Out Header (3-pinHPHONE) (optional) 21)Line In Header (3-pinINT_LINEIN) (optional) This connector supports an additional line in to the motherboard 22)Digital Audio Interfaces (2-pinS/PDIF) (optional) 23)Chassis Open Alarm Lead (4-pinCHASSIS) 24)Power Supply Thermal Sensor Connector (2-pinJTPWR) 25)System Power LED Lead (3-1pin PWR.LED) 26)Keyboard Lock Switch Lead (2-pinKEYLOCK) 27)System Warning Speaker Lead (4-pinSPEAKER) 28)System Message LED Lead (2-pinMSG.LED) 29)System Management Interrupt Lead (2-pinSMI) 3.9Starting Up the First Time Award BIOS Beep Codes 4. BIOS SETUP Powering Off your computer: Start Shut Down Shut down the computer 4.1Managing and Updating Your BIOS 4.1.1 Upon First Use of the Computer System 1. Save Current BIOS to File Save Current BIOS To File A:\XXX-XX.XXX SETUP BIOS 4.1.2Updating BIOS Procedures Page 4.2BIOS Setup Program 4.2.1BIOS Menu Bar 4.2.2 Legend Bar General Help Saving Changes and Exiting the Setup Program Scroll Bar Sub-Menu 4.3Main Menu 4.3.1Primary & Secondary Master/Slave [User Type HDD] Translation Method [LBA] Cylinders Type Translation Method CHS Capacity Maximum LBA Capacity Multi-SectorTransfers [Maximum] SMART Monitoring [Disabled] PIO Mode [4] 4.3.2Keyboard Features Language [English] This field displays the BIOS language version A Note about Passwords Forgot the Password To erase the RTC RAM: 4.4Advanced Menu CPU/Memory Frequency Ratio [Auto] CPU/PCI Frequency (MHz) CPU Level 1 Cache, CPU Level 2 Cache [Enabled] CPU Level 2 Cache ECC Check [Enabled] BIOS Update [Enabled] Summary of Warning Messages 4.4.1Chip Configuration Internal Graphic Over-clocking[Disable] VGA LCD TV Display Type [Auto] Video Memory Cache Mode [UC] Onboard VGA BIOS Update [Enabled] MCP IDE Controller [Both] 4.4.2I/O Device Configuration Parallel Port Mode [ECP+EPP] ECP DMA Select [3] ECP Parallel Port Mode Onboard Game Port [200H-207H] 4.4.3PCI Configuration PCI DMA Resource Exclusion PCI UMB Resource Exclusion 4.4.4Shadow Configuration 4.5Power Menu 4.5.1 Power Up Control 4.5.2Hardware Monitor 4.6Boot Menu Boot Sequence Boot Virus Detection [Enabled] Quick Power On Self Test [Enabled] Boot Up Floppy Seek [Enabled] Interrupt Mode [APIC] Configuration options: [APIC] [PIC] 4.7Exit Menu Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes 5.1Install Operating System 5.2 Start Windows 5.3A7N266 Series Motherboard Support CD 5.3.1 Installation Menu 5.3.2 Installation Procedure 5.3.3Manual Installation of Drivers for Windows ITEM 3: PCI Standard Ram Controller 6.1ASUS Live Update 6.2ASUS PC Probe 6.2.1 Starting ASUS PC Probe 6.2.2Using ASUS PC Probe Settings CPU Cooling System Setup History Information Hard Drives Memory Device Summary DMI Explorer Utility Execute Program 6.2.3ASUS PC Probe Task Bar Icon 6.3Multi-ChannelAudio Feature Setup 6.3.1 The C-MediaAudio Mixer 6.3.2 The C-MediaAudio Demo Program 6.3.3 Connector Configuration 6.43Deep Color Tuner 6.4.13Deep Color Tuning 6.4.2The 3Deep Control Panel 6.5CyberLink PowerPlayer SE 6.5.1 Starting CyberLink PowerPlayer SE 6.5.2 CyberLink PowerPlayer Control Panel 6.6CyberLink VideoLive Mail 6.6.1Starting VideoLive Mail 6.6.2CyberLink VideoLive Mail User Interface 7.1 Glossary APPENDIX Page Page 7.2 Modem Riser 7.2.1 56K Software Modem 7.2.2 Primary/Seconday MR Layout of Primary 7.2.3Hardware Installation Procedure 7.2.4Software Setup in Windows INDEX