P4B266 User Manaul
Page 3
... Safety information vii About this guide viii How this guide is organized viii Conventions used in this guide ix Where to find more information ix ASUS contact information x Chapter 1: Product introduction 1-1 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-2 1.3.1 Product highlights 1-2 1.3.2 Value...Installing the CPU 2-5 2.4.3 Installing the heatsink and fan 2-7 2.4.4 Connecting the CPU fan cable 2-9 2.5 System memory 2-10 2.5.1 Overview 2-10 2.5.2 Memory configurations 2-11 2.5.3 Installing a DIMM 2-11 2.5.4 Removing a DIMM 2-12 2.6 Expansion slots 2-13 iii
... Safety information vii About this guide viii How this guide is organized viii Conventions used in this guide ix Where to find more information ix ASUS contact information x Chapter 1: Product introduction 1-1 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-2 1.3.1 Product highlights 1-2 1.3.2 Value...Installing the CPU 2-5 2.4.3 Installing the heatsink and fan 2-7 2.4.4 Connecting the CPU fan cable 2-9 2.5 System memory 2-10 2.5.1 Overview 2-10 2.5.2 Memory configurations 2-11 2.5.3 Installing a DIMM 2-11 2.5.4 Removing a DIMM 2-12 2.6 Expansion slots 2-13 iii
P4B266 User Manaul
Page 13
...2GB of system memory with PC2100/1600 DDR SDRAM, high-resolution graphics via an AGP 4X slot, USB 2.0 capability, communication and networking options through a CNR slot, high-speed data transfers using the ATA100 protocol, and enhanced PCI audio features, the P4B266 is damaged or... coupled with the list below. 1.2 Package contents Check your P4B266 package for the following items. ASUS P4B266 motherboard (ATX form factor: 12-in x 9.4-in) ASUS P4B266 support CD ASUS 2-port USB 1.1 module ASUS 4-port USB 2.0 module (optional) ASUS S/PDIF module (for audio models only) 80-conductor ribbon ...
...2GB of system memory with PC2100/1600 DDR SDRAM, high-resolution graphics via an AGP 4X slot, USB 2.0 capability, communication and networking options through a CNR slot, high-speed data transfers using the ATA100 protocol, and enhanced PCI audio features, the P4B266 is damaged or... coupled with the list below. 1.2 Package contents Check your P4B266 package for the following items. ASUS P4B266 motherboard (ATX form factor: 12-in x 9.4-in) ASUS P4B266 support CD ASUS 2-port USB 1.1 module ASUS 4-port USB 2.0 module (optional) ASUS S/PDIF module (for audio models only) 80-conductor ribbon ...
P4B266 User Manaul
Page 14
... processor core with USB 1.1. See section "5.3.2 ASUS MyLogo" on USB 2.0. 1.3 Special features 1.3.1 Product highlights Latest processor technology The P4B266 motherboard supports the latest Intel Pentium 4 478/ Northwood Processor, also known as high resolution video conferencing cameras, next generation scanners and printers, and fast storage units. DDR memory support Employing the Double Data Rate...
... processor core with USB 1.1. See section "5.3.2 ASUS MyLogo" on USB 2.0. 1.3 Special features 1.3.1 Product highlights Latest processor technology The P4B266 motherboard supports the latest Intel Pentium 4 478/ Northwood Processor, also known as high resolution video conferencing cameras, next generation scanners and printers, and fast storage units. DDR memory support Employing the Double Data Rate...
P4B266 User Manaul
Page 15
... is onboard to page 2-29. See page 2-33. 1.3.2 Value-added solutions Overclocking The P4B266 overclocking features: • adjustable CPU frequency multiple in optimization mode • adjustable CPU VCORE and DDR memory voltage ASUS iPanel support The motherboard supports the ASUS iPanel to provide the additional power required by the P4 CPU. Experience 5.1-channel surround...
... is onboard to page 2-29. See page 2-33. 1.3.2 Value-added solutions Overclocking The P4B266 overclocking features: • adjustable CPU frequency multiple in optimization mode • adjustable CPU VCORE and DDR memory voltage ASUS iPanel support The motherboard supports the ASUS iPanel to provide the additional power required by the P4 CPU. Experience 5.1-channel surround...
P4B266 User Manaul
Page 18
... the Intel® Pentium® 4 478/Northwood Processor with 400MHz system bus. 3 North bridge controller. The MCH provides the processor interface, memory interface, AGP interface, and Hub Interface. 4 DDR DIMM sockets. Serving as a smart burn-out protection for the floppy disk drive. When ..., this LED is lit, there is used if you press the power button. 7 ASUS EZ Plug™ Auxilliary +12V connector. A 478-pin surface mount, Zero Insertion Force (ZIF) socket called the Intel Memory Controller Hub (MCH) is slotted to the CPU. 8 IDE connectors. This controller called...
... the Intel® Pentium® 4 478/Northwood Processor with 400MHz system bus. 3 North bridge controller. The MCH provides the processor interface, memory interface, AGP interface, and Hub Interface. 4 DDR DIMM sockets. Serving as a smart burn-out protection for the floppy disk drive. When ..., this LED is lit, there is used if you press the power button. 7 ASUS EZ Plug™ Auxilliary +12V connector. A 478-pin surface mount, Zero Insertion Force (ZIF) socket called the Intel Memory Controller Hub (MCH) is slotted to the CPU. 8 IDE connectors. This controller called...
P4B266 User Manaul
Page 24
....5cm (12.0in) GAME_AUDIO COM2 Line Out Line In ATX12V Mic In Intel 845D Memory Controller Hub (MCH) Accelerated Graphics Port AGP 01 23 23 Intel LAN Controller PCI1 ...LINE_IN AUX CD PCI2 BCS1 BCS2 IAPANEL LO_L LO_R PCI3 PCI4 P4B266 PCI5 LED1 C-Media CMI8738 6CH Audio Controller SPDIF_C PCI6 MODEM CNR Intel I/O Controller Hub ...; (ICH2) FLOPPY CR2032 3V Lithium Cell CMOS Power CLRTC(R197) Super I/O SD MS ASUS ASIC with Hardware Monitor SMART JEN Speech Controller SPEECH CH_FAN SMARTCARD USB20_EN USB20_34 IR USB2.0 Controller...
....5cm (12.0in) GAME_AUDIO COM2 Line Out Line In ATX12V Mic In Intel 845D Memory Controller Hub (MCH) Accelerated Graphics Port AGP 01 23 23 Intel LAN Controller PCI1 ...LINE_IN AUX CD PCI2 BCS1 BCS2 IAPANEL LO_L LO_R PCI3 PCI4 P4B266 PCI5 LED1 C-Media CMI8738 6CH Audio Controller SPDIF_C PCI6 MODEM CNR Intel I/O Controller Hub ...; (ICH2) FLOPPY CR2032 3V Lithium Cell CMOS Power CLRTC(R197) Super I/O SD MS ASUS ASIC with Hardware Monitor SMART JEN Speech Controller SPEECH CH_FAN SMARTCARD USB20_EN USB20_34 IR USB2.0 Controller...
P4B266 User Manaul
Page 32
... DDR DIMM is single notched while an SDR DIMM is not backward compatible with three Double Data Rate (DDR) Dual Inline Memory Module (DIMM) sockets. 2.5 System memory 2.5.1 Overview The motherboard comes with SDR, and should be installed only in a socket specially designed for DDR DIMMs. 2-10 ... 200MHz DDR DIMM will support a 100MHz memory bus, and a 266MHz DDR DIMM will support a 133MHz memory bus. DDR memory however, has the ability to 2GB system memory using 184-pin unbuffered ECC or non-ECC PC2100/1600 DIMMs. 80 Pins ® P4B266 P4B266 184-Pin DDR DIMM Sockets 104 Pins A...
... DDR DIMM is single notched while an SDR DIMM is not backward compatible with three Double Data Rate (DDR) Dual Inline Memory Module (DIMM) sockets. 2.5 System memory 2.5.1 Overview The motherboard comes with SDR, and should be installed only in a socket specially designed for DDR DIMMs. 2-10 ... 200MHz DDR DIMM will support a 100MHz memory bus, and a 266MHz DDR DIMM will support a 133MHz memory bus. DDR memory however, has the ability to 2GB system memory using 184-pin unbuffered ECC or non-ECC PC2100/1600 DIMMs. 80 Pins ® P4B266 P4B266 184-Pin DDR DIMM Sockets 104 Pins A...
P4B266 User Manaul
Page 33
2.5.2 Memory configurations You may not boot up. Double-sided DIMM DDR DIMM3 (Rows 3&2) None SS DDR DIMM sockets 2 and 3 share the same rows, so if you ... retaining clips outward. 2. Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket. Single-sided DIMM DS - ASUS P4B266 motherboard user guide Unlocked Retaining Clip 2-11 Use only the following combinations to both the motherboard and the components. Follow these steps to unplug the...
2.5.2 Memory configurations You may not boot up. Double-sided DIMM DDR DIMM3 (Rows 3&2) None SS DDR DIMM sockets 2 and 3 share the same rows, so if you ... retaining clips outward. 2. Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket. Single-sided DIMM DS - ASUS P4B266 motherboard user guide Unlocked Retaining Clip 2-11 Use only the following combinations to both the motherboard and the components. Follow these steps to unplug the...
P4B266 User Manaul
Page 42
... recommended that you to select the voltage supplied to Stage1 and Stage2 does not guarantee better system performance. Setting to the system memory by changing the jumper setting. 4. Set this jumper to pins 2-3 (+5VSB) if you wish to enable or disable the keyboard...press a key on the +5VSB lead, and a corresponding setting in the BIOS (see section 4.5.1 Power Up Control). ® P4B266 KBPWR 2 1 +5V (Default) 3 2 +5VSB P4B266 Keyboard Power Setting 5. DDR_OV ® P4B266 12 DISABLE (Default) 23 34 STAGE1 STAGE2 P4B266 DDR_OV Setting 2-20 Chapter 2: Hardware information
... recommended that you to select the voltage supplied to Stage1 and Stage2 does not guarantee better system performance. Setting to the system memory by changing the jumper setting. 4. Set this jumper to pins 2-3 (+5VSB) if you wish to enable or disable the keyboard...press a key on the +5VSB lead, and a corresponding setting in the BIOS (see section 4.5.1 Power Up Control). ® P4B266 KBPWR 2 1 +5V (Default) 3 2 +5VSB P4B266 Keyboard Power Setting 5. DDR_OV ® P4B266 12 DISABLE (Default) 23 34 STAGE1 STAGE2 P4B266 DDR_OV Setting 2-20 Chapter 2: Hardware information
P4B266 User Manaul
Page 46
You can clear the CMOS memory of date, time, and system setup parameters by the onboard button cell battery. To erase the RTC ...6. Hold down the key during the boot process and enter BIOS setup to re-enter data. ® P4B266 P4B266 Clear RTC RAM CR2032 3V Lithium Cell CMOS Power CLRTC(R197) Short solder points to use USB 2.0 compliant devices. ®...; P4B266 P4B266 USB Setting USB20_EN 32 21 Disable Enable (Default) 12. 11. Set to Enable (pins 1-2) if you to clear...
You can clear the CMOS memory of date, time, and system setup parameters by the onboard button cell battery. To erase the RTC ...6. Hold down the key during the boot process and enter BIOS setup to re-enter data. ® P4B266 P4B266 Clear RTC RAM CR2032 3V Lithium Cell CMOS Power CLRTC(R197) Short solder points to use USB 2.0 compliant devices. ®...; P4B266 P4B266 USB Setting USB20_EN 32 21 Disable Enable (Default) 12. 11. Set to Enable (pins 1-2) if you to clear...
P4B266 User Manaul
Page 56
... SD, MS)* These connectors support the sophisticated memory devices called Secure Digital (SD) memory card and Memory Stick (MS). You need an SD/MS reader to retain the information stored in them. * The SD and MS connectors may or may not be purchased separately. ® P4B266 SD GND SDB1 +3V SDB2 SDB3 SDB4 SDB5...
... SD, MS)* These connectors support the sophisticated memory devices called Secure Digital (SD) memory card and Memory Stick (MS). You need an SD/MS reader to retain the information stored in them. * The SD and MS connectors may or may not be purchased separately. ® P4B266 SD GND SDB1 +3V SDB2 SDB3 SDB4 SDB5...
P4B266 User Manaul
Page 63
...power-on test. For ATX power supplies, the system LED lights up . While the tests are off. 3. External SCSI devices (starting with a surge protector. 5. ASUS P4B266 motherboard user guide 3-1 If you do not see anything within 30 seconds from the time you press the ATX power switch. Turn on the devices... High frequency beeps when system is working Meaning No error during POST No DRAM installed or detected Video card not found or video card memory bad CPU overheated; After applying power, the power LED on the system front panel case lights up when you turned on the power,...
...power-on test. For ATX power supplies, the system LED lights up . While the tests are off. 3. External SCSI devices (starting with a surge protector. 5. ASUS P4B266 motherboard user guide 3-1 If you do not see anything within 30 seconds from the time you press the ATX power switch. Turn on the devices... High frequency beeps when system is working Meaning No error during POST No DRAM installed or detected Video card not found or video card memory bad CPU overheated; After applying power, the power LED on the system front panel case lights up when you turned on the power,...
P4B266 User Manaul
Page 64
... Pentium 4 478/Northwood Processor into the AGP slot. • Make sure that came with your own messages to section "2.3 System memory" for assistance. System failed memory test • Install 168-pin unbuffered PC133 DIMMs into the DIMM sockets. • Check if the DIMMs on the DIMM sockets are...check your VGA/AGP card is a list of the problem. System failed CPU test • Check the CPU if properly installed. • Call ASUS technical support for instruction on page x. Following is not defective. System failed VGA test • Install a PCI VGA card into one of system ...
... Pentium 4 478/Northwood Processor into the AGP slot. • Make sure that came with your own messages to section "2.3 System memory" for assistance. System failed memory test • Install 168-pin unbuffered PC133 DIMMs into the DIMM sockets. • Check if the DIMMs on the DIMM sockets are...check your VGA/AGP card is a list of the problem. System failed CPU test • Check the CPU if properly installed. • Call ASUS technical support for instruction on page x. Following is not defective. System failed VGA test • Install a PCI VGA card into one of system ...
P4B266 User Manaul
Page 69
....EXE to the boot disk you boot from the floppy disk. BIOS setup must specify "Floppy" as the first item in DOS mode. ASUS P4B266 motherboard user guide 4-1 To determine the BIOS version of your motherboard, check the last four numbers of your screen during bootup. It does... using a floppy disk. 3. It is recommended that you need to reinstall the BIOS later. If the word "unknown" appears after Flash Memory:, the memory chip is either not programmable or is not supported by the ACPI BIOS and therefore, cannot be loaded when you created. Larger numbers represent ...
....EXE to the boot disk you boot from the floppy disk. BIOS setup must specify "Floppy" as the first item in DOS mode. ASUS P4B266 motherboard user guide 4-1 To determine the BIOS version of your motherboard, check the last four numbers of your screen during bootup. It does... using a floppy disk. 3. It is recommended that you need to reinstall the BIOS later. If the word "unknown" appears after Flash Memory:, the memory chip is either not programmable or is not supported by the ACPI BIOS and therefore, cannot be loaded when you created. Larger numbers represent ...
P4B266 User Manaul
Page 72
... boot. This minimizes the possibility of boot problems in case of update failures. The utility starts to the boot disk. If the Flash Memory Writer utility is done, the message "Flashed Successfully" appears. 8. If you encounter problems while updating the new BIOS, DO NOT turn ...off the system because this happens, call the ASUS service center for support. 4-4 Chapter 4: BIOS Setup When the programming is not able to continue. The boot block is updated automatically only when...
... boot. This minimizes the possibility of boot problems in case of update failures. The utility starts to the boot disk. If the Flash Memory Writer utility is done, the message "Flashed Successfully" appears. 8. If you encounter problems while updating the new BIOS, DO NOT turn ...off the system because this happens, call the ASUS service center for support. 4-4 Chapter 4: BIOS Setup When the programming is not able to continue. The boot block is updated automatically only when...
P4B266 User Manaul
Page 82
...access the BIOS Setup program. Configuration options: [All Errors] [No Error] [All but Keyboard] [All but Disk] [All but Disk/Keyboard] Installed Memory [XXX MB] This field automatically displays the amount of errors that will cause the system to specify two different passwords: a Supervisor password and a User ... BIOS Setup program allows you can type up to [Disabled]. Halt On [All Errors] This field specifies the types of conventional memory detected by the onboard button cell battery. Language [English] This field displays the BIOS language version. Main menu items continued...
...access the BIOS Setup program. Configuration options: [All Errors] [No Error] [All but Keyboard] [All but Disk] [All but Disk/Keyboard] Installed Memory [XXX MB] This field automatically displays the amount of errors that will cause the system to specify two different passwords: a Supervisor password and a User ... BIOS Setup program allows you can type up to [Disabled]. Halt On [All Errors] This field specifies the types of conventional memory detected by the onboard button cell battery. Language [English] This field displays the BIOS language version. Main menu items continued...
P4B266 User Manaul
Page 83
...make changes to the two subsequent fields. CPU Frequency (MHz) (when CPU Speed is for unlocked processors only. Configuration options: [Auto] [1:1] [3:4] ASUS P4B266 motherboard user guide 4-15 CPU Frequency Multiple (when CPU Speed is set to [Manual]) This field is set to [Manual]) This feature tells the ... multiplied by the bus multiple equals the CPU speed. Select [Manual] if you cannot access this field. CPU/Memory Frequency Ratio [Auto] This field determines whether the memory clock frequency is set to be in the popup menu vary according to the CPU Frequency (MHz). Set this ...
...make changes to the two subsequent fields. CPU Frequency (MHz) (when CPU Speed is for unlocked processors only. Configuration options: [Auto] [1:1] [3:4] ASUS P4B266 motherboard user guide 4-15 CPU Frequency Multiple (when CPU Speed is set to [Manual]) This field is set to [Manual]) This feature tells the ... multiplied by the bus multiple equals the CPU speed. Select [Manual] if you cannot access this field. CPU/Memory Frequency Ratio [Auto] This field determines whether the memory clock frequency is set to be in the popup menu vary according to the CPU Frequency (MHz). Set this ...
P4B266 User Manaul
Page 85
... mode is enabled. If detected, the USB controller legacy mode is disabled whether or not you set this field to the system memory, CNR slot, and other system devices. Configuration options: [Mux] [Hub] Keep the default setting [Mux] for expansion cards....OS/2 operating systems with the required data. Configuration options: [Disabled] [Enabled] [Auto] OS/2 Onboard Memory > 64M [Disabled] When using a USB device. Otherwise, IRQ12 can be used for system stability! Otherwise, leave to [Hub] does not guarantee better system performance. ASUS P4B266 motherboard user guide 4-17
... mode is enabled. If detected, the USB controller legacy mode is disabled whether or not you set this field to the system memory, CNR slot, and other system devices. Configuration options: [Mux] [Hub] Keep the default setting [Mux] for expansion cards....OS/2 operating systems with the required data. Configuration options: [Disabled] [Enabled] [Auto] OS/2 Onboard Memory > 64M [Disabled] When using a USB device. Otherwise, IRQ12 can be used for system stability! Otherwise, leave to [Hub] does not guarantee better system performance. ASUS P4B266 motherboard user guide 4-17
P4B266 User Manaul
Page 86
...The DDR SDRAM RAS to CAS Delay parameter appears only when you set the SDRAM Configuration to [User Defined]. The EEPROM on the memory modules that you are using. 4.4.1 Chip Configuration SDRAM Configuration [By SPD] This parameter allows you to set the optimal timings for items... 2-5, depending on the memory module stores critical information about the module, such as memory type, size, speed, voltage interface, and module banks. The default setting is [By SPD], which configures items...
...The DDR SDRAM RAS to CAS Delay parameter appears only when you set the SDRAM Configuration to [User Defined]. The EEPROM on the memory modules that you are using. 4.4.1 Chip Configuration SDRAM Configuration [By SPD] This parameter allows you to set the optimal timings for items... 2-5, depending on the memory module stores critical information about the module, such as memory type, size, speed, voltage interface, and module banks. The default setting is [By SPD], which configures items...
P4B266 User Manaul
Page 87
... enhance system performance and overclocking capability when set to [User Defined]. Configuration options: [1X Mode] [4X Mode] ASUS P4B266 motherboard user guide 4-19 SDRAM Active Precharge Delay [6T] This item controls the number of mapped memory for DDR SDRAM parameters. If you are using an AGP 4x card. When set to the DDR...
... enhance system performance and overclocking capability when set to [User Defined]. Configuration options: [1X Mode] [4X Mode] ASUS P4B266 motherboard user guide 4-19 SDRAM Active Precharge Delay [6T] This item controls the number of mapped memory for DDR SDRAM parameters. If you are using an AGP 4x card. When set to the DDR...