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Asus A8S-X 2.4.2 USB Configuration, FID/VID Change [Auto], Processor Voltage [1.350 V], DDR Reference Voltage [Auto], OnBoard SiS USB1.1 DEVICE [Enabled]

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PCI Clock Synchronization Mode [To PCI Express]

Sets the PCI Express clock synchronization mode.

Configuration options: [To PCI Express] [33.33MHz] [37.5MHz] [40.0MHz]

DDR Reference Voltage [Auto]

Allows you to automatically detect or select from a list the DDR operating voltage. Configuration options: [2.6V] [2.7V] [2.8V] [2.9V] [Auto]

FID/VID Change [Auto]

Sets the frequency ID and voltage ID.

Configuration options: [Auto] [Manual]

Processor Frequency Multiplier [x8 1600 MHz]

Sets the processor frequency multiplier. The default value varies depending on the processor installed. This item appears only when the FID/VID Change item is set to Manual. Configuration options: [x8 1600 MHz] [x9 1800 MHz] [x10 2000 MHz] [x11 2200 MHz]

Processor Voltage [1.350 V]

Sets the processor voltage. The configuration options vary depending on the processor installed. This item appears only when the FID/VID Change item is set to Manual.

2.4.2 USB Configuration

The items in this menu allows you to change the USB-related features. Select an item then press <Enter> to display the configuration options.

OnBoard	SiS	USB1.1	DEVICE	[Enabled]
OnBoard	SiS	USB2.0	DEVICE	[Enabled]

USB Configuration

Module Version - 2.23.2-9.4

USB	Devices Enabled: None
Legacy USB Support		[Auto]
USB	2.0 Controller Mode	[HiSpeed]
Stop EHCI Hand-Off		[Enabled]

OnBoard SiS USB1.1 DEVICE [Enabled]

Allows you to enable or disable the onboard SiS USB 1.1 port. Configuration options: [Disabled] [Enabled]

OnBoard SiS USB2.0 DEVICE [Enabled]

Allows you to enable or disable the onboard SiS USB 2.0 port. Configuration options: [Disabled] [Enabled]

ASUS A8S-X

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Contents

Page E2123 First Edition July Chapter 1: Product introduction IRQ assignments for this motherboard Chapter 2: BIOS Information 2.1 Managing and updating your BIOS 2.1.1 Creating a bootable floppy disk 2.1.2 Using AFUDOS to update the BIOS 2.1.3 Using AFUDOS to copy BIOS from PC Chapter 3: Software support 3.2.1 Running the support CD Where to find more information Electrical safety Operation safety Conventions used in this guide Typography Page Page Page Thank you for buying the ASUS® A8S-Xmotherboard Check your motherboard package for the following items 1 x Ultra DMA 133/100/66 cables 1 x Serial ATA cable 1 x Serial ATA power cable 1.3.1 Product Highlights 1.3.2 Unique ASUS features Onboard LED 1.5.1 Motherboard layout 1.5.2 Placement direction 1.5.3 Screw holes 1.6.1 Overview 1.6.2 Installing the CPU 1.7.1 DIMM sockets location 1.7.2Memory configurations 1.7.3 Installing a DIMM Standard interrupt assignments 1.8.2 IRQ assignments for this motherboard 1.8.3 PCI slots 1.8.4 PCI Express x1 slot 1.8.5 PCI Express x16 slot 1.Clear RTC RAM (CLRTC) To erase the RTC RAM: 1.Turn OFF the computer and unplug the power cord 3.Plug the power cord and turn ON the computer Hold down the 2.USB device wake-up (3-pinUSBPW12, USBPW34, USBPW56, USBPW78) 1.10.1 Rear panel connectors 1.10.2 Internal connectors 3.ATX power connectors (24-pinATXPWR, 4-pinATX12V) 4.Internal audio connectors (4-pinCD, AUX) 5.CPU and chassis fan connectors (3-pinCPU_FAN, CHA_FAN, PWR_FAN) 6.USB header (10-1pin USB56, USB78) 7.Chassis intrusion connector (4-1pin CHASSIS) 8.GAME/MIDI connector (16-1pin GAME1) 9.Serial ATA connectors (7-pinSATA1, SATA2) 10.Front panel audio connector (10-1pin AAFP) 12.System panel connector (10-1pin PANEL) This connector accommodates several system front panel functions •System Power LED Lead (Green 3-pinPLED) •System Warning Speaker Lead (Orange 4-pinSPEAKER) •Reset Switch Lead (Blue 2-pinRESET) Page DOS environment Windows® XP environment Windows® 2000 environment 2.1.2 Using AFUDOS to update the BIOS 2.1.3 Using AFUDOS to copy BIOS from PC 2.1.4 Using ASUS EZ Flash to update the BIOS 2.1.5 Recovering the BIOS with CrashFree BIOS 2. When the BIOS update process is complete, reboot the system To recover the BIOS from the support CD: Place the support CD in the <Ctrl+Alt+Delete 2.2.1 BIOS menu screen 2.2.2 Menu bar 2.2.3 Navigation keys 2.2.4 Menu items 2.2.5 Sub-menuitems 2.2.6 Configuration fields 2.2.7 Pop-upwindow 2.2.8 Scroll bar 2.3.1 System Time [xx:xx:xx] 2.3.2 System Date [Day xx/xx/xxxx] 2.3.3 Legacy Diskette A [1.44M, 3.5 in.] 2.3.4 Language [English] Type [Auto] LBA/Large Mode [Auto] Block (Multi-sectorTransfer) [Auto] PIO Mode [Auto] DMA Mode [Auto] 2.3.6 Onboard PCI S-ATAController [Native] 2.3.7 System Information 2.4.1 JumperFree Configuration 2.4.2 USB Configuration 2.4.3 CPU Configuration 2.4.4 Chipset CAS Latency (CL) [Auto] TRAS [Auto] TRP [Auto] TRCD [Auto] TRRD [Auto] TRFC [Auto] TRWT [Auto] 2.4.5 Onboard Devices Configuration Serial Port Mode [Normal] EPP Version [1.9] ECP Mode DMA Channel [DMA3] Onboard LAN Boot ROM [Disabled] 2.4.6 PCI PnP 2.4.7 AMD Cool ‘N Quiet Configuration 2.5.1 Suspend Mode [S1 & S3 (STR)] 2.5.2 Repost Video On S3 Resume [No] 2.5.3 ACPI 2.0 Support [No] 2.5.4 ACPI APIC Support [Enabled] 2.5.5 APM Configuration 2.5.6 Hardware Monitor 2.6.1 Boot Device Priority 2.6.2 Boot Settings Configuration 2.6.3 Security User Access Level (Full Access] No Access prevents user access to the Setup utility Change User Password Installed To set a User Password: Exit & Save Changes Exit & Discard Changes Discard Changes Load Setup Defaults <F5 Exit & Save Changes Page 3.2.1 Running the support CD 3.2.2 Drivers menu 3.2.3 Utilities menu ASUS PC Probe Install ASUS Update ASUS Screen Saver ASUS Cool’n’Quiet Utility Acrobat Reader 3.2.4 Make Disk 3.2.5 Manual 3.2.6 ASUS Contact Information