Asus p4b266 2.4.4 Connecting the CPU fan cable

3.Push down the locks on the retention mechanism to secure the heatsink and fan to the module base.

When secure, the retention locks should point to opposite directions.

2.4.4 Connecting the CPU fan cable

When the fan, heatsink, and the retention mechanism are in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.

CPU Fan Connector (CPU_FAN)

Don’t forget to connect the CPU fan connector! Hardware monitoring errors may occur if you fail to plug this connector.

ASUS P4B266 motherboard user guide

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Contents

Page E936 First Edition January Chapter 1: Product introduction Chapter 2: Hardware information Chapter 3: Powering up Chapter 4: BIOS setup Chapter 5: Software support G-1 Index Federal Communications Commission Statement Canadian Department of Communications Statement This class B digital apparatus complies with Canadian ICES-003 Electrical safety Operation safety How this guide is organized Conventions used in this guide Where to find more information ASUSTeK COMPUTER INC. (Asia-Pacific) ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Europe) Product introduction Page Thank you for buying the ASUS® P4B266motherboard ASUS P4B266 motherboard user guide 1.3.1 Product highlights Latest processor technology DDR memory support ASUS MyLogo™ ASUS EZ Plug™ 1.3.2 Value-addedsolutions Overclocking ASUS iPanel support 1.4.1 Motherboard components Page ATX 12V connector CPU socket North bridge controller DDR DIMM sockets ATX power connector Super I/O controller DIP switches Flash EEPROM South bridge controller ASUS ASIC PS/2 mouse port Parallel port Game/MIDI port Microphone jack Line In jack Hardware information Page 2.1.1 Placement direction 2.1.2 Screw holes Chapter 2: Hardware information Page 2.4.1 Overview 2.4.2 Installing the CPU Page 2.4.3 Installing the heatsink and fan Page 2.4.4 Connecting the CPU fan cable 2.5.1 Overview 2.5.2 Memory configurations 2.5.3 Installing a DIMM 2.5.4 Removing a DIMM 2.6.1 Installing an expansion card 2.6.2 Configuring an expansion card Standard Interrupt Assignments IRQ assignments for this motherboard 2.6.3 PCI slots 2.6.4 AGP slot 2.6.5 CNR slot 1.JumperFree™ mode (JEN) 2.CPU Core:Bus frequency multiple (SWITCH Switches 1-4) 3.CPU frequency selection (SWITCH Switches 5-9) 4.Keyboard power (3-pinKBPWR) 5.DDR voltage (4-pinDDR_OV) 6.USB device wake-up (3-pinUSBPWR01, USBPWR23) 7.VCORE over-voltage (3-pinOVER_VOLT) 8.Line out selector (two 2-pinLO_L, LO_R) (on audio models only) 9.Bass/Center setting (3-pinBCS1, BCS2) (on audio models only) 10.Clear RTC RAM (CLRTC) 1.Hard disk activity LED (2-pinHDDLED) 2.IDE connectors (40-1pin PRIMARY IDE/SECONDARY IDE) 3.Floppy disk drive connector (34-1pin FLOPPY) 4.Chassis open alarm lead (4-1pin CHASSIS) Page 6.CPU, Chassis, and Power Fan Connectors (3-pinCPU_FAN, PWRFAN, CH_FAN) 7.USB headers (10-1pin USB11_23) 8.SMBus connector (6-1pin SMB) 9.Internal audio connectors (4-pinCD1, AUX, MODEM) (optional) 10.Line in connector (5-pinLINE_IN) (optional) 11.Front panel audio connector (10-1pin IAPANEL) (optional) 12.ASUS iPanel connector (24-1pin AFPANEL) (optional) 13.Digital audio connector (6-1pin SPDIF_C) (optional) 14.Infrared module connector (two 5-1pin IR) UART2 Use As 15.Power supply thermal connector (2-pinTRPWR) 16.System panel connector (20-pinPANEL) •System Power LED Lead (3-1pin PLED) •Keyboard Lock Lead (2-pinKEYLOCK) •System Warning Speaker Lead (4-pinSPEAKER) •System Message LED Lead (2-pinMLED) •ATX Power Switch / Soft-OffSwitch Lead (2-pinPWRBTN) •Reset Switch Lead (2-pinRESET) Page Powering up Page Award BIOS Beep Codes Chapter 3: Powering up BIOS setup Page 4.1.1 Using the computer system for the first time Chapter 4: BIOS Setup 4.1.2 Updating BIOS procedures Page Page 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 Frequency Multiple (when CPU Speed is set to [Manual]) CPU Frequency (MHz) (when CPU Speed is set to [Manual]) CPU/Memory Frequency Ratio [Auto] CPU VCore Setting [Auto] CPU VCore [1.750V] CPU Level 1 Cache, CPU Level 2 Cache [Enabled] BIOS Update [Enabled] PS/2 Mouse Function Control [Auto] USB Legacy Support [Auto] OS/2 Onboard Memory > 64M [Disabled] 4.4.1 Chip Configuration SDRAM Configuration [By SPD] SDRAM CAS Latency [2.5T] SDRAM RAS to CAS Delay [3T] SDRAM RAS Precharge Delay [3T] SDRAM Active Precharge Delay [6T] SDRAM Idle Timer [Infinite] Optimization Mode [Normal] Graphics Aperture Size [64MB] Video Memory Cache Mode [UC] Memory Hole At 15M-16M[Disabled] Delayed Transaction [Disabled] Onboard PCI IDE [Both] Onboard PCI Audio [Enabled] 4.4.2 I/O Device Configuration Floppy Disk Access Control [R/W] Onboard Serial Port 1 [3F8H/IRQ4] Onboard Serial Port 2 [2F8H/IRQ3] UART2 Use As [COM Port] Parallel Port Mode [ECP+EPP] ECP DMA Select [3] Onboard AC97 Audio Controller [Auto] Onboard AC97 Modem Controller [Auto] 4.4.3 PCI Configuration Slot 1/5, Slot 2, Slot 3, Slot 4, Slot 6 IRQ [Auto] PCI/VGA Palette Snoop [Disabled] PCI Latency Timer [32] USB1.1 Function [Enabled] IRQ XX Reserved [No/ICU] Power Management [User Defined] Video Off Option [Suspend ->Off ] Video Off Method [DPMS OFF] HDD Power Down [Disabled] ACPI Suspend To RAM [Disabled] Suspend Mode [Disabled] 4.5.1 Power Up Control AC PWR Loss Restart [Disabled] Wake/Power Up On Ext. Modem [Disabled] Power Up On PCI Card [Disabled] Power On By PS/2 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] POWER Temperature [xxxC/xxxF] 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] Interrupt Mode [APIC] Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Software support Page 5.2.1 Running the support CD 5.2.2 Main menu 5.2.3 Software menu ASUS Update Intel® LDCM Administrator Setup Intel® LDCM Client Setup ASUS BIOS Flash Utility ASUS PC Probe Cyberlink Video and Audio Applications Direct E-Color3Deep 5.2.4 Drivers menu INF Driver Intel® Application Accelerator Audio 5.2.5 DOS Utility menu 5.2.6 ASUS Contact Information 5.2.7 Other information Motherboard Info Browse this CD Technical Support Form Readme 5.3.1 ASUS Update 5.3.2 ASUS MyLogo™ Page 5.3.3 Multi-ChannelAudio Feature Setting the C-MediaAudio Mixer Running the C-MediaAudio Demo Program Connector Settings and Functions Page Page Page AC’97 (Audio Codec '97) Bandwidth Data Transfer Rate Backup G-1 BIOS (Basic Input/Output System) Bit (Binary Digit) Boot Bus Master IDE Byte (Binary Term) Device Driver DOS (Disk Operating System) Expansion Card Flash ROM IDE (Integrated Drive Electronics) LAN (Local Area Network) Modem Network OS (Operating System) PC100/PC133 POST (Power On Self Test) PS/2 Port RAM (Random Access Memory) ROM (Read Only Memory) SDRAM (Synchronous DRAM) System Disk USB (Universal Serial Bus) WAN (Wide Area Network) G-6 Page Page Page Index