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Asus CUA266 6. SOFTWARE REFERENCE, ASUS CUA266 User’s Manual, 7)USB Headers (10-1pin USB1, USB2), These are not jumpers, do not place jumper caps over these connectors

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3.HARDWARE SETUP

6)CPU Fan, Power Fan, and Chassis Fan Connectors (CPU_FAN, PWR_FAN, CHA_FAN)

The three fan connectors support cooling fans of 350mA (4.2 Watts) or less. Orient the fans so that the heat sink fins allow airflow to go across the onboard heat sinks instead of the expansion slots. The fan wiring and plug may vary depending on the fan manufacturer. Connect the fan cable to the connector making sure that the black wire matches the ground pin. (NOTE: Use the “ Rotation” signal only with a specially designed fan with a rotation signal. You can monitor the Rotations Per Minute (RPM) using ASUS PC Probe (see 6. SOFTWARE REFERENCE).

WARNING! Make sure to connect the fan cables to the fan connectors. Lack of sufficient airflow within the system could cause damage to the motherboard.

These are not jumpers, do not place jumper caps over these connectors!

CPU_FAN		Rotation
	GND +12V	Rotation
PWR_FAN	GND
PWR_FAN	+12V
	Rotation
CUA266
		GND +12V Rotation
	CHA_FAN

CUA266 12-Volt Cooling Fan Power

7)USB Headers (10-1 pin USB1, USB2)

If the USB port connectors on the back panel are inadequate, two USB headers are available for four additional USB port connectors. Connect a 2-port USB connector set to a USB header and mount the USB bracket to an open slot in the chassis.

	USB1
	USB2
	USB Power	USBP2–	USBP2+	GND NC
CUA266	1			5
	6	USBP3–		10
CUA266 Front Panel USB Headers	USB Power	USBP3–	USBP3+	GND

Connectors

3. H/W SETUP

ASUS CUA266 User’s Manual

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Contents

JumperFree™ 133MHz FSB DDR/SDR SDRAM AGP Pro/4X Product Name: ASUS CUA266 Manual Revision: 1.01 E755 Release Date: May ASUSTeK COMPUTER INC. (Asia-Pacific) Marketing Technical Support ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Europe) 3.7.1 Installing an Expansion Card 3.7.2 Assigning IRQs for Expansion Cards 3.7.3 Accelerated Graphics Port (AGP) Pro Slot 3.7.4 Audio Modem Riser (AMR)) Slot Managing and Updating Your BIOS 4.1.1 Upon First Use of the Computer System 4.1.2 Updating BIOS Procedures 4.3.1 Primary & Secondary Master/Slave 4.4.2 I/O Device Configuration 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 CUA266 Motherboard 2.1.1 Specifications SMBus: PCI Expansion Slots: AMR Slot: Smart BIOS: Enhanced ACPI and 2.1.2Performance 2.1.3Intelligence 2.2Motherboard Components 2.2.1Component Locations 3.1Motherboard Layout 3.2Layout Contents SETUP H/W 3.3Hardware Setup Procedure 3.4Motherboard Settings Motherboard Frequency Settings (DIP Switches) 1)JumperFree™ Mode (JEN) 4.4 Advanced Menu Setting JEN 2)CPU External Frequency Selection (DIP_SW Switches 1–4) External BUS Clock Internal 3)SDRAM Voltage Selection (JP25V) 4)Clear RTC RAM (R220) 3.5System Memory 3.5.1 General DIMM Notes 3.5.2Memory Installation 3.6Central Processing Unit (CPU) 3.6.1CPU Installation 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 3.7.3Accelerated Graphics Port (AGP) Pro Slot 3.7.4Audio Modem Riser (AMR)) 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 7) Audio Ports (Three 1/8” AUDIO) (optional) Line Out Line In Mic SOFTWARE SETUP 3.8.2Internal Connectors 3)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: 4)Wake-On-LANConnector (3-pinWOL_CON) 4.4.3 Power Management 5)Wake-On-RingConnector (2-pinWOR) 6. SOFTWARE REFERENCE These are not jumpers, do not place jumper caps over these connectors 7)USB Headers (10-1pin USB1, USB2) 8)Infrared Module Connector (5-pinIR) 9)Chassis Open Alarm Lead (4-pinCHASSIS) 10)Power Supply Connectors (20-pinblock ATXPWR) IMPORTANT: Make sure that the ATX 12V power supply (minimum 11)SMBus Connector (5-1pin SMB) 12)ASUS iPanel Connector (24-1pin AFPANEL) 13)Digital Audio Interfaces (10-pinAUDIO_PANEL) (optional) 15)Internal Microphone Connector (3-pinMIC2) (optional) 16)Power Supply Thermal Sensor Connector (2-pinJTPWR) The following 20-pinPANEL illustration is for items 17)System Power LED Lead (3-1pin PWR.LED) 18)System Warning Speaker Lead (4-pinSPEAKER) 19)System Message LED Lead (2-pinMSG.LED) 20)System Management Interrupt Lead (2-pinSMI) 21)ATX Power Switch / Soft-OffSwitch Lead (2-pinPWR.SW) 3.9Starting Up the First Time Award BIOS Beep Codes 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 3.Short the jumper 4.4Advanced Menu CPU/Memory Frequency Ratio [Auto] CPU Vcore Setting [Auto] CPU Vcore [3.50V] CPU Level 1 Cache, CPU Level 2 Cache [Enabled] CPU Level 2 Cache ECC Check [Disabled] Notes for JumperFree Mode Page 4.4.1Chip Configuration SDRAM Cycle Time tRAS [7T] Graphics Aperture Size [128MB] AGP Capability [4X Mode] Video Memory Cache Mode [UC] Memory Hole At 15M-16M[Disabled] Optimize Performance [Enabled] AGP Fast Write [Enabled] Onboard PCI IDE Enable [Both] Onboard PCI Audio [Enabled] 4.4.2I/O Device Configuration Onboard Parallel Port [378H/IRQ7] Parallel Port Mode [ECP+EPP] ECP DMA Select [3] ECP Parallel Port Mode 4.4.3PCI Configuration PCI IRQ Resource Exclusion 4.5Power Menu Video Off Option [Suspend ->Off ] Video Off Method [DPMS OFF] HDD Power Down [Disabled] Suspend Mode [Disabled] PWR Button < 4 Secs [Soft Off] 4.5.1Power Up Control Power On By PS/2 Keyboard [Space Bar] Power On By PS/2 Mouse [Disabled] Automatic Power Up [Disabled] 4.5.2Hardware Monitor 4.6Boot Menu Boot Sequence Plug & Play O/S [No] Reset Configuration Data [No] Boot Virus Detection [Enabled] Quick Power On Self Test [Enabled] Boot Up Floppy Seek [Enabled] 4.7Exit Menu Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Page 5.1Operating Systems 5.1.1 Windows 98 First Time Installation 5.2 CUA266 Motherboard Support CD 5.2.1 Installation Menus 5.2.2 Applications Install Cyberlink Video and Audio Applications: •ASUS Screen Saver: Installs the ASUS screen saver ASUS Screen Saver: Show Motherboard Information: •Browse Support CD: Allows you to view the contents of the support CD Page 6.1ASUS PC Probe 6.1.1 Starting ASUS PC Probe 6.1.2Using ASUS PC Probe Monitoring Settings History Fan Control Page Utility 6.1.3ASUS PC Probe Task Bar Icon 7.1 Glossary APPENDIX Boot Bus Master IDE Byte (Binary Term) COM Port LPT Port (Line Printer Port) MMX (Klamath) CPU as well as other OnNow PC100 ROM (Read Only Memory) SCSI (Small Computer System Interface) SDRAM (Synchronous DRAM) SPD for SDRAM module SSE (Streaming SIMD Extensions)