Asus A8N-E A8N-ECPU fan connector

3.When the fan and heatsink assembly is in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.

CPU_FAN

GND +12V Rotation

A8N-E

A8N-E CPU fan connector

Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector.

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Chapter 1: Product introduction

Contents

Page E2500 March Copyright © 2006 ASUSTeK COMPUTER INC. All Rights Reserved Chapter 1: Product introduction Chapter 2: BIOS setup Page Federal Communications Commission Statement Canadian Department of Communications Statement Electrical safety Operation safety How this guide is organized Where to find more information Conventions used in this guide A8N-Especifications summary C P U Chipset Memory Expansion slots L A N AI Audio U S B IEEE Rear panel Page Page 1.1.1Product highlights Latest processor technology AMD Cool ‘n’ Quiet!™ Technology HyperTransport™ Technology Dual Channel DDR memory support RAID solution PCI Express™ interface S/PDIF digital sound ready USB 2.0 technology Temperature, fan, and voltage monitoring 1.1.2Innovative ASUS features ASUS Q-Fantechnology ASUS Multi-languageBIOS Onboard LEDs 1.3.1Placement direction 1.3.2Screw holes 1.3.3Motherboard layout 1.4.1Overview 1.4.2Installling the CPU Page 1.4.3Installing the heatsink and fan Page A8N-ECPU fan connector 1.5.1Overview 1.5.2Memory Configurations DDR400 Qualified Vendors List 1.5.3Installing a DIMM 1.5.4Removing a DIMM 1.6.1Installing an expansion card 1.6.2Configuring an expansion card 1.6.3Interrupt assignments Standard interrupt assignments IRQ assignments for this motherboard 1.6.4PCI slots 1.6.5PCI Express x16 slot 1.6.6PCI Express x1 slot 1.6.7Universal PCIe slot (PCI Express x4 slot) 1.7 Jumpers 1 . Clear RTC RAM (CLRTC) A8N-EClear RTC RAM 1.8.1Rear panel connectors LAN port LED indications Audio 2, 4, 6, or 8-channelconfiguration 1.8.2 Internal connectors 3 . Serial ATA connectors (7-pinSATA1, SATA2, SATA3, SATA4) SAT A NVRAID Configuration A8N-ESATA connectors SATA4 SATA3 4 . CPU, Chassis and Power fan connectors (3-pinCPU_FAN, 3-pinCHA2_FAN, 3-pinPWR_FAN, 3-pinCHA1_FAN) A8N-EFan connectors 5 . Serial port connector (10-1pin COM1) A8N-ECOM port connector 6 . USB connectors (10-1pin USB56, USB78, USB910) A8N-EUSB 2.0 connectors 1394 cable 7 . IEEE 1394a connector (10-1pinIE1394_1 [orange]) A8N-EIEEE 1394 connector USB port module cable 8 . ATX power connectors (24-pinEATXPWR1, 4-pinATX12V1) 9 . Internal audio connectors (4-pinCD, AUX) 10 . GAME/MIDI port connector (16-1pin GAME) 11 . Chassis intrusion connector (4-1pin CHASSIS) 12 . Front panel audio connector (10-1pin FP_AUDIO) 13 . System panel connector (10-1pin F_PANEL1) •System power LED (2-pinPLED) •ATX power button/soft-offbutton (2-pinPWRSW) •Hard disk drive activity LED (2-pinIDELED) •Reset button (2-pinRESET) Page Page 2.1.1Creating a bootable floppy disk 2.1.2Updating the BIOS File Name to Program 2.1.3Saving the current BIOS file 2.1.4ASUS EZ Flash utility 2.2BIOS setup program Load Default Settings 2.2.1BIOS menu screen 2.2.2Menu bar 2.2.3Legend bar 2.2.4Menu items 2.2.5Sub-menuitems 2.2.6Configuration fields 2.2.7Pop-upwindow 2.2.8General help 2.3.1System Time [xx:xx:xxxx] 2.3.2System Date [Day xx/xx/xxxx] 2.3.3Language [English] 2.3.4Legacy Diskette A [1.44M, 3.5 in.] 2.3.5Primary and Secondary IDE Master/Slave PIO Mode UDMA Mode IDE Primary Master/Slave [Auto]; IDE Secondary Master/ Slave [Auto] Access Mode [Auto] Transfer Mode 2.3.6First, Second, Third, Fourth SATA Master Extended Drive Access Mode Precomp Landing Zone 2.3.7HDD SMART Monitoring 2.3.8Installed Memory 2.4.1CPU Configuration DRAM Configuration Hyper Transport Frequency [Auto] AMD K8 Cool’n’Quiet control [Auto] 2.4.2PCIPnP Plug & Play O/S [No] Resources Controlled By [Auto] IRQ Resources PCI/VGA Palette Snoop [Disabled] 2.4.3Onboard Devices Configuration IDE Function Setup OnChip IDE Channel0 [Enabled] OnChip IDE Channel1 [Enabled] IDE DMA transfer access [Enabled] SATA Port 1, 2 [Enabled] SATA DMA access [Enabled] SATA Port 3, 4 [Enabled] SATA2 DMA transfer [Enabled] IDE Primary, Secondary Master/Slave RAID [Disabled] First, Second, Third, Fourth SATA Master RAID [Disabled] USB Configuration USB Controller [Enabled] USB 2.0 Controller [Enabled] Serial Port1 Address [3F8/IRQ4] Parallel Port Address [378/IRQ7] Parallel Port Mode [ECP+EPP] ECP Mode Use DMA [3] Game Port Address [201] 2.5.1ACPI Suspend Type [S1&S3] 2.5.2ACPI APIC Support [Enabled] 2.5.3APM Configuration Restore on AC Power Loss [Disabled] PWR Button < 4 secs [Instant-Off] Power On By PCI Devices [Disabled] Power On By External Modems [Disabled] Power On By RTC Alarm [Disabled] Day of Month Alarm [Disabled] Time (hh:mm:ss) Alarm [Disabled] Power Up By PS/2 Mouse [Disabled] Power On By PS/2 Keyboard [Disabled] 2.5.4Hardware Monitor Q-FanController [Disabled] VCORE Voltage, +12V Voltage, 3.3V Voltage, 5VCC Voltage CPU Temperature, M/B Temperature CPU Target Temperature 2.6.1Boot Device Priority 1st ~ xxth Boot Device [Removable] 2.6.2Removable Drives 1. Floppy Disks 2.6.3Hard Disk Drives 1. 1st Master: 2.6.4CDROM Drives 2.6.5Boot Settings Configuration Case Open Warning [Enabled] Quick Boot [Enabled] Boot Up Floppy Seek [Enabled] Bootup Num-Lock[On] 2.6.6Security Supervisor Password User Password Password Check Exit & Save Changes Exit & Discard Changes Load Setup Defaults Discard Changes