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Asus A7V266-M WARNING, 6. SOFTWARE REFERENCE, Chapter 2: Hardware information, These are not jumpers, do not place jumper caps over these connectors

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11)CPU Fan, Power Fan, and Chassis Fan Connectors (CPU_, PWR_, CHA_FAN)

Three fan connectors support cooling fans of 350mA (4.2 Watts) or less. Orient the fans so that airflow flows across the onboard heat sinks instead of expansion slots. The fan wiring and plug vary depending on the type employed. Connect the fan cable to the connector, ensuring that the black wire matches the ground pin. (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!

CHA_FAN

Rotation +12V

GND

CPU_FAN

Rotation +12V

GND

PWR_FAN

Rotation +12V

A7V266-M

GND

A7V266-M 12-Volt Cooling Fan Power

30	Chapter 2: Hardware information

Contents

Page A7V266-M 1.00 E921 December How this guide is organized Conventions used in this guide Contents Chapter 1: Product introduction Chapter 2: Hardware information Chapter 3: Powering up Chapter 4: BIOS setup Chapter 5: Software support Glossary Index Electrical safety Operational safety Federal Communications Commission Statement Canadian Department of Communications Statement ASUSTeK COMPUTER INC. (Asia-Pacific) ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Europe) Page Page Thank you for buying the ASUS® A7V266-Mmotherboard 1.1Package contents ASUS A7V266-Mmotherboard user guide 1.2Core Specifications AMD® Athlon™ / Athlon™ XP and Duron™ Socket A (462) Processor Smart BIOS: Expansion: Connections: 1.3Special Features Easy Overclocking Thermal Protection Realtek LAN ACPI Ready: A 1.4Motherboard Components 1.4.1 Component Locations Page Page Page 2.1.1 Placement direction 2.1.2 Screw holes 2.2Motherboard layout 2.2.1 Layout contents 2.3Before you proceed 2.4.1 Overview 2.4.2 Installing the CPU 2.5.1 Overview 2.5.2 Memory configurations 2.5.3 Installing a DIMM 2.6.1 Installing an expansion card 2.6.2 Configuring an expansion card 2.6.3 PCI slots 2.6.4 AGP slot 2.7Switches and jumpers Motherboard Frequency Settings (DIP Switches) 1) JumperFree™ Mode (JEN) 2) CPU External Frequency Selection (SYSCLK DSW Switches 1–4) CPU AGP PCI DSW1 3) USB Device Wake-up(USB01_PWR / USB23_PWR) 4) Keyboard Wake Up (KBWK) Wake On PS2 KB/PS2 Mouse/CIR 4.5.1 Power Up Control 5) LAN Enable (2 pin) 6) Clear RTC RAM (2-pinCLR_RTC) 2.8Connectors 1) PS/2 Mouse Port (Green 6-pinPS2KBMS) PS/2 Mouse Function Control 4.4 Advanced Menu 2) PS/2 Keyboard Port (Purple 6-pinPS2KBMS) 3) Universal Serial Bus Ports 1 & 2 (Black two 4-pinUSB) 4) Parallel Port (Burgundy 25-pinPRINTER) Onboard Parallel Port 4.4.2 I/O Device Configuration) 5) Serial Ports (Teal/Turquoise 9-pinCOM1 / 9-pinCOM2) 6) Game/MIDI Ports (Gold 15-pinGAME_AUDIO) (optional) 7) Audio Connectors (Three 1/8” AUDIO) (optional) Line Out Line In Mic 8) IDE Activity LED (2-pinIDELED) 9) Floppy Disk Drive Connector (34-1pin FLOPPY) Page 11)CPU Fan, Power Fan, and Chassis Fan Connectors (CPU_, PWR_, CHA_FAN) 6. SOFTWARE REFERENCE These are not jumpers, do not place jumper caps over these connectors 12) Infrared Module Connector (10-1pin IR_CON) UART2 Use Infrared 4.4.2 I/O Device Configuration) 13) Power Supply Connectors (20-pinblock ATXPWR) 14) SMBus Connector (5-1pin SMB) 15) Internal Audio Connectors (4-1pin CD, AUX, MODEM) (optional) 16) USB Headers (10-1pin USB2_3) 17) Power Supply Thermal Sensor Connector (2 pin JTPWR) 18) Chassis Open Alarm Lead (4 pin CHASSIS) 19) Line-outSelector Jumpers (24-1pin BACK_LT / BACK_RT) 20) ASUS Front Audio Connector (10-1pin IPANEL) 21) System Power LED Lead (3-1pin PLED) 22) Keyboard Lock Switch Lead (2-pinKEYLOCK) 23) System Warning Speaker Lead (4-pinSPEAKER) 24) System Message LED Lead (2-pinMLED) 25) System Management Interrupt Lead (2-pinSMI) Page Page Page Award BIOS Beep Codes 3.3Powering off the computer Chapter 3: Powering up Page Page 4.1.1 Using the computer system for the first time Chapter 4: BIOS Setup 4.1.2 Updating BIOS procedures Page 4.2BIOS Setup program 4.2.1 BIOS menu bar 4.2.2 Legend bar General help Saving changes and exiting the Setup program Scroll bar Sub-menu System Time [XX:XX:XX] System Date [XX/XX/XXXX] Legacy Diskette A [1.44M, 3.5 in.] Floppy 3 Mode Support [Disabled] 4.3.1 Primary and Secondary Master/Slave Type [Auto] [User Type HDD] Translation Method [LBA] Cylinders Head Sector CHS Capacity SMART Monitoring [Disabled] PIO Mode [4] Ultra DMA Mode [Disabled] 4.3.2 Keyboard Features Boot Up NumLock Status [On] Keyboard Auto-RepeatRate [6/Sec] Keyboard Auto-RepeatDelay [1/4 Sec] Language [English] Supervisor Password [Disabled] / User Password [Disabled] A note about passwords Forgot the password Halt On [All Errors] CPU Speed [Manual] CPU: System Frequency Multiple (when CPU Speed is set to [Manual]) System / PCI Frequency (MHz) (when CPU Speed is set to [Manual]) System / SDRAM Frequency Ratio [Auto] Load Performance Setting [Normal] CPU VCore [1.750V] CPU Level 1 Cache, CPU Level 2 Cache [Enabled] CPU Level 2 Cache ECC Check [Disabled] BIOS Update [Enabled] USB Legacy Support [Auto] OS/2 Onboard Memory > 64M [Disabled] 4.4.1 Chip Configuration SDRAM Configuration [By SPD] SDRAM CAS Latency [3T] SDRAM RAS Precharge Time [3T] SDRAM RAS to CAS Delay [3T] SDRAM Active to Precharge Delay [6T] Bank Interleave [Auto] DRAM 4K/8K PAGE ENABLE [Auto] DDR_1T/2T_ITEM [2T CMD] Burst Len [4] Graphics Aperture Size [32MB] Video Memory Cache Mode [UC] Onboard PCI IDE Controller [Both] Memory Hole At 15M-16M[Disabled] 4.4.2 I/O Device Configuration Onboard FDC Swap A & B [No Swap] Onboard Serial Port 1 [3F8H/IRQ4] Onboard Serial Port 2 [2F8H/IRQ3] UART2 Use As [COM Port] 4.4.2.1 Onboard Peripheral Resource Control Game Port Function [200H-207H] Onboard MIDI I/O [330H-331H] Onboard MIDI IRQ [5] 4.4.3 PCI Configuration Slot 1, Slot 2 IRQ [Auto] PCI/VGA Palette Snoop [Disabled] PCI Latency Timer [32] USB Function [Enabled] 4.4.3.1 PCI IRQ Resource Exclusion IRQ XX Reserved [No/ICU] Power Management [User Defined] Video Off Option [Suspend ->Off ] Video Off Method [DPMS OFF] HDD Power Down [Disabled] Suspend-to-RAMCapability [Disabled] Suspend Mode [Disabled] 4.5.1 Power Up Control AC PWR Loss Restart [Disabled] PWR Up On External Modem Act [Disabled] Wake On LAN or PCI Modem [Disabled] Power Up by USB [Disabled] Power On by Keyboard [Space Bar] Power On By PS/2 Mouse [Disabled] Automatic Power Up [Disabled] 4.5.2 Hardware Monitor MB Temperature [xxxC/xxxF] CPU Temperature [xxxC/xxxF] JTPWR Temperature [Ignore] CPU Fan Speed [xxxxRPM] Boot Sequence Removable Device [Legacy Floppy] IDE Hard Drive ATAPI CD-ROM Other Boot Device Select [INT18 Device (Network)] Plug & Play O/S [No] Reset Configuration Data [No] Boot Virus Detection [Enabled] Quick Power On Self Test [Enabled] Boot Up Floppy Seek [Enabled] Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Page Page Page 5.1.1 Windows 98 first time installation 5.2.1 Running the support CD 5.3.1 Installation Menu 5.3.2 Installation Procedure Page 5.4.1 Starting ASUS PC Probe 5.4.2 Using ASUS PC Probe Settings CPU Cooling System Setup When CPU Overheated History Hard Drives Memory Device Summary DMI Explorer Execute Program 5.4.3 ASUS PC Probe Task Bar Icon 5.5ASUS Live Update 6.5.1 3Deep Color Tuning 6.5.2 The 3Deep Control Panel Page Page Page Appendix: Glossary Page Page Page Page Symbols Index