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... 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 Overview 1-2 1.3.1 ... 2-1 2.1.2 Screw holes 2-1 2.2 Motherboard layout 2-2 2.3 Before you proceed 2-3 2.4 Central Processing Unit (CPU 2-4 2.4.1 Overview 2-4 2.4.2 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 2-10 2.5.3 Installing a ...
... 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 Overview 1-2 1.3.1 ... 2-1 2.1.2 Screw holes 2-1 2.2 Motherboard layout 2-2 2.3 Before you proceed 2-3 2.4 Central Processing Unit (CPU 2-4 2.4.1 Overview 2-4 2.4.2 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 2-10 2.5.3 Installing a ...
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... slotted to an ATX 12V power supply. 1 CPU socket. This socket accommodates the Intel® Pentium® 4 478/Northwood Processor with the south bridge Intel I /O functionality and system hardware monitoring capability. The power supply must have at least 1A on the +5V standby lead (+5VSB). 6 Floppy disk connector. ASUS P4B-LX motherboard user guide 1-3
... slotted to an ATX 12V power supply. 1 CPU socket. This socket accommodates the Intel® Pentium® 4 478/Northwood Processor with the south bridge Intel I /O functionality and system hardware monitoring capability. The power supply must have at least 1A on the +5V standby lead (+5VSB). 6 Floppy disk connector. ASUS P4B-LX motherboard user guide 1-3
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...) through a network hub. 26 PS/2 keyboard port. This port allows connection to remove the retention module base when installing the CPU or installing other devices. 24 USB ports. This green 6-pin connector is for connecting USB devices such as DV camcorders, digital ... components. This purple 6-pin connector is shipped with a boxed CPU. 21 IEEE-1394 connector. This 6-pin digital interface supports electronic devices such as a mouse and PDA. 25 RJ-45 port. Retention Module Base Figure 1-2 Pre-installed Heatsink Retention Module Base ASUS P4B-LX motherboard user guide 1-5
...) through a network hub. 26 PS/2 keyboard port. This port allows connection to remove the retention module base when installing the CPU or installing other devices. 24 USB ports. This green 6-pin connector is for connecting USB devices such as DV camcorders, digital ... components. This purple 6-pin connector is shipped with a boxed CPU. 21 IEEE-1394 connector. This 6-pin digital interface supports electronic devices such as a mouse and PDA. 25 RJ-45 port. Retention Module Base Figure 1-2 Pre-installed Heatsink Retention Module Base ASUS P4B-LX motherboard user guide 1-5
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... system bus, and execution trace cache. The Intel Pentium 4 Processor in the illustration that should match a specific corner of the CPU socket. Together, these attributes improve system performance by allowing higher processor frequencies, faster execution of integer instructions, and an FSB data ...transfer rate of the CPU into the socket may bend the pins and severely damage the CPU! 2-4 Chapter 2: Hardware information Gold Mark Figure 2-4 Intel Pentium 4 478/Northwood Processor Note in...
... system bus, and execution trace cache. The Intel Pentium 4 Processor in the illustration that should match a specific corner of the CPU socket. Together, these attributes improve system performance by allowing higher processor frequencies, faster execution of integer instructions, and an FSB data ...transfer rate of the CPU into the socket may bend the pins and severely damage the CPU! 2-4 Chapter 2: Hardware information Gold Mark Figure 2-4 Intel Pentium 4 478/Northwood Processor Note in...
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Unlock the socket by pressing the lever sideways, then lift it up to a 90°-100° angle. Socket Lever 90 - 100 Figure 2-6 CPU Socket Lever at 90° -100° Angle Make sure that the socket lever is lifted up to 90°-100° angle, otherwise the CPU does not fit in completely. ASUS P4B-LX motherboard user guide 2-5 2.4.2 Installing the CPU Follow these steps to install a CPU. 1. Figure 2-5 Intel 478-pin ZIF Socket 2. Locate the 478-pin ZIF socket on the motherboard.
Unlock the socket by pressing the lever sideways, then lift it up to a 90°-100° angle. Socket Lever 90 - 100 Figure 2-6 CPU Socket Lever at 90° -100° Angle Make sure that the socket lever is lifted up to 90°-100° angle, otherwise the CPU does not fit in completely. ASUS P4B-LX motherboard user guide 2-5 2.4.2 Installing the CPU Follow these steps to install a CPU. 1. Figure 2-5 Intel 478-pin ZIF Socket 2. Locate the 478-pin ZIF socket on the motherboard.
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...it is locked. Gold Mark Figure 2-7 Installing the CPU 5. Figure 2-8 Installed CPU 2-6 Chapter 2: Hardware information The lever clicks on the socket while you push down the socket lever to prevent bending the pins and damaging the CPU! DO NOT force the CPU into the socket until it fits in one correct orientation.... Position the CPU above the socket such that it firmly on the side tab to indicate that its ...
...it is locked. Gold Mark Figure 2-7 Installing the CPU 5. Figure 2-8 Installed CPU 2-6 Chapter 2: Hardware information The lever clicks on the socket while you push down the socket lever to prevent bending the pins and damaging the CPU! DO NOT force the CPU into the socket until it fits in one correct orientation.... Position the CPU above the socket such that it firmly on the side tab to indicate that its ...
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... that the heatsink fits properly on the motherboard. If the instructions in this section do not match the CPU documentation, follow the latter. Follow these steps to ensure optimum thermal condition and performance. ASUS P4B-LX motherboard user guide 2-7 The retention module base is already installed on the retention module base. 2.4.3 Installing the heatsink...
... that the heatsink fits properly on the motherboard. If the instructions in this section do not match the CPU documentation, follow the latter. Follow these steps to ensure optimum thermal condition and performance. ASUS P4B-LX motherboard user guide 2-7 The retention module base is already installed on the retention module base. 2.4.3 Installing the heatsink...
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When secure, the retention locks should point to the module base. CPU Fan Connector (CPU_FAN) Figure 2-12 CPU Fan Connector ASUS P4B-LX motherboard user guide 2-9 3. Figure 2-11 Fan and Retention Mechanism Installed and Locked 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 retention mechanism to secure the heatsink and fan to opposite directions. Push down the locks on the motherboard labeled CPU_FAN.
When secure, the retention locks should point to the module base. CPU Fan Connector (CPU_FAN) Figure 2-12 CPU Fan Connector ASUS P4B-LX motherboard user guide 2-9 3. Figure 2-11 Fan and Retention Mechanism Installed and Locked 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 retention mechanism to secure the heatsink and fan to opposite directions. Push down the locks on the motherboard labeled CPU_FAN.
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...pin USB23) If the USB ports on the fan connectors! 3. P4B-LX P4B-LX USB Header Figure 2-24 USB Header USB23 1 5 6 10 1: USB Power 6: USB Power 2: USBP2- 7: USBP3- 3: USBP2+ 8: USBP3+ 4: GND 9: GND 5: NC ASUS P4B-LX motherboard user guide 2-19 Connect the fan cable to the connector ...cables to an open slot in the chassis. CPU and chassis fan connectors (3-pin CPU_FAN, CHASSIS_FAN) The fan connectors support a CPU fan and a chassis fan at +12V. CPU_FAN GND +12V Rotation P4B-LX CHASIS_FAN GND +12V Rotation P4B-LX 12-Volt Fan Connectors Figure 2-23 Fan Connectors ...
...pin USB23) If the USB ports on the fan connectors! 3. P4B-LX P4B-LX USB Header Figure 2-24 USB Header USB23 1 5 6 10 1: USB Power 6: USB Power 2: USBP2- 7: USBP3- 3: USBP2+ 8: USBP3+ 4: GND 9: GND 5: NC ASUS P4B-LX motherboard user guide 2-19 Connect the fan cable to the connector ...cables to an open slot in the chassis. CPU and chassis fan connectors (3-pin CPU_FAN, CHASSIS_FAN) The fan connectors support a CPU fan and a chassis fan at +12V. CPU_FAN GND +12V Rotation P4B-LX CHASIS_FAN GND +12V Rotation P4B-LX 12-Volt Fan Connectors Figure 2-23 Fan Connectors ...
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...5VSB). Find the proper orientation and push down firmly until the connectors completely fit. The plugs from the power supply are designed to the CPU. Make sure that you connect the 4-pin ATX +12V power plug to provide sufficient power to fit these connectors in only one orientation. ... or 300W for a fully configured system. 5. Power supply connectors (20-pin ATXPWR, 4-pin ATX+12V) These connectors connect to an ATX 12V power supply. P4B-LX ATXPWR Pin 1 +12.0VDC +5VSB PWR_OK COM +5.0VDC COM +5.0VDC COM +3.3VDC +3.3VDC ATX12V +12V DC COM +5.0VDC +5.0VDC -5.0VDC COM COM COM ...
...5VSB). Find the proper orientation and push down firmly until the connectors completely fit. The plugs from the power supply are designed to the CPU. Make sure that you connect the 4-pin ATX +12V power plug to provide sufficient power to fit these connectors in only one orientation. ... or 300W for a fully configured system. 5. Power supply connectors (20-pin ATXPWR, 4-pin ATX+12V) These connectors connect to an ATX 12V power supply. P4B-LX ATXPWR Pin 1 +12.0VDC +5VSB PWR_OK COM +5.0VDC COM +5.0VDC COM +3.3VDC +3.3VDC ATX12V +12V DC COM +5.0VDC +5.0VDC -5.0VDC COM COM COM ...
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... by three short beeps High frequency beeps when system is equipped with the last device on the chain) c. If your retailer for the first time 1. ASUS P4B-LX motherboard user guide 3-1 After making all switches are using an ATX power supply, you are off. 3. System power (if you need to the power connector...-on . Be sure that is working Meaning No error during POST No DRAM installed or detected Video card not found or video card memory bad CPU overheated; 3.1 Starting up for assistance.
... by three short beeps High frequency beeps when system is equipped with the last device on the chain) c. If your retailer for the first time 1. ASUS P4B-LX motherboard user guide 3-1 After making all switches are using an ATX power supply, you are off. 3. System power (if you need to the power connector...-on . Be sure that is working Meaning No error during POST No DRAM installed or detected Video card not found or video card memory bad CPU overheated; 3.1 Starting up for assistance.
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...bus multiple equals the CPU speed. Configuration options: [Auto] [1:1] [3:4] ASUS P4B-LX motherboard user guide 4-15 CPU Frequency Multiple (when CPU Speed is for unlocked processors only. The options that appear in synchronous or asynchronous mode with respect to the system frequency. 4.4 Advanced Menu CPU Speed [Manual] This ...to change the settings of this field. Select [Manual] if you cannot access this field depends on the CPU Frequency Multiple. CPU/PCI Frequency (MHz) (when CPU Speed is set to [Manual]) This field is set to [Manual]) This field shows the frequency the...
...bus multiple equals the CPU speed. Configuration options: [Auto] [1:1] [3:4] ASUS P4B-LX motherboard user guide 4-15 CPU Frequency Multiple (when CPU Speed is for unlocked processors only. The options that appear in synchronous or asynchronous mode with respect to the system frequency. 4.4 Advanced Menu CPU Speed [Manual] This ...to change the settings of this field. Select [Manual] if you cannot access this field depends on the CPU Frequency Multiple. CPU/PCI Frequency (MHz) (when CPU Speed is set to [Manual]) This field is set to [Manual]) This field shows the frequency the...
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...to detect a PS/2 mouse at startup. Otherwise, IRQ12 can be used for expansion cards. If detected, the USB controller legacy mode is disabled. CPU Level 1 Cache, CPU Level 2 Cache [Enabled] These fields allow you need to set this field to [Enabled], BIOS reserves IRQ12, whether or not a PS/2 mouse... to [Disabled], the USB controller legacy mode is disabled whether or not you set to [Enabled], the BIOS loads the update on or off the CPU Level 1 and Level 2 built-in cache. Otherwise, leave to detect a USB device at startup. Configuration options: [Enabled] [Auto] USB Legacy Support [...
...to detect a PS/2 mouse at startup. Otherwise, IRQ12 can be used for expansion cards. If detected, the USB controller legacy mode is disabled. CPU Level 1 Cache, CPU Level 2 Cache [Enabled] These fields allow you need to set this field to [Enabled], BIOS reserves IRQ12, whether or not a PS/2 mouse... to [Disabled], the USB controller legacy mode is disabled whether or not you set to [Enabled], the BIOS loads the update on or off the CPU Level 1 and Level 2 built-in cache. Otherwise, leave to detect a USB device at startup. Configuration options: [Enabled] [Auto] USB Legacy Support [...
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... reads from, but not writes to set the addresses for the onboard serial connectors. Configuration options: [3F8H/IRQ4] [2F8H/IRQ3] [3E8H/IRQ4] [2E8H/IRQ10] [Disabled] ASUS P4B-LX motherboard user guide 4-19 This process normally consumes about 50-60 PCI Clocks without PCI delayed transaction. Configuration options: [R/W] [Read Only] Onboard Serial Port 1 [3F8H...: [Enabled] [Disabled] Onboard PCI IDE [Both] This field allows tou to [Enabled], this field to [Disabled]. Set this feature frees the PCI bus when the CPU is accessing 8-bit ISA cards.
... reads from, but not writes to set the addresses for the onboard serial connectors. Configuration options: [3F8H/IRQ4] [2F8H/IRQ3] [3E8H/IRQ4] [2E8H/IRQ10] [Disabled] ASUS P4B-LX motherboard user guide 4-19 This process normally consumes about 50-60 PCI Clocks without PCI delayed transaction. Configuration options: [R/W] [Read Only] Onboard Serial Port 1 [3F8H...: [Enabled] [Disabled] Onboard PCI IDE [Both] This field allows tou to [Enabled], this field to [Disabled]. Set this feature frees the PCI bus when the CPU is accessing 8-bit ISA cards.
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...time and day by selecting [By Date]. Enter Power setup menu for details". CPU Fan Speed [xxxxRPM] or N/A Chassis Fan Speed [xxxxRPM] or N/A The onboard hardware monitor automatically detects the CPU, system, and PCI fan speeds in rotations per minute (RPM). You will ...hardware monitor automatically detects the MB (motherboard) and CPU temperatures. VCORE Voltage, +3.3V Voltage, +5V Voltage, +12V Voltage The onboard hardware monitor automatically detects the voltage output via the onboard voltage regulators and show N/A. ASUS P4B-LX motherboard user guide 4-27 If any of the...
...time and day by selecting [By Date]. Enter Power setup menu for details". CPU Fan Speed [xxxxRPM] or N/A Chassis Fan Speed [xxxxRPM] or N/A The onboard hardware monitor automatically detects the CPU, system, and PCI fan speeds in rotations per minute (RPM). You will ...hardware monitor automatically detects the MB (motherboard) and CPU temperatures. VCORE Voltage, +3.3V Voltage, +5V Voltage, +12V Voltage The onboard hardware monitor automatically detects the voltage output via the onboard voltage regulators and show N/A. ASUS P4B-LX motherboard user guide 4-27 If any of the...
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ASUS PC Probe This smart utility monitors the fan speed, CPU temperature, and system voltages, and alerts you on any detected problems. This utility helps you to remotely flash the Client PC's BIOS when used with... supports Windows XP operating system and maintains backward compatibility with the Intel LDCM Administrator. ASUS Screen Saver This item installs the ASUS screen saver. 5-4 Chapter 5: Software support Install the LANDesk Client Manager to deliver true vibrant colors. ASUS BIOS Flash Utility This utility allows you keep your computer at a healthy operating condition...
ASUS PC Probe This smart utility monitors the fan speed, CPU temperature, and system voltages, and alerts you on any detected problems. This utility helps you to remotely flash the Client PC's BIOS when used with... supports Windows XP operating system and maintains backward compatibility with the Intel LDCM Administrator. ASUS Screen Saver This item installs the ASUS screen saver. 5-4 Chapter 5: Software support Install the LANDesk Client Manager to deliver true vibrant colors. ASUS BIOS Flash Utility This utility allows you keep your computer at a healthy operating condition...
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...IDE transfers data to represent a single alphanumeric character, punctuation mark, or other symbol. Cache Memory. The cache memory eliminates the CPU wait state. CPU (Central Processing Unit). Bit (Binary Digit). Represents the smallest unit of RAM that translates video or audio between computer components, such... Term). A byte is transferred from the cache memory instead of this data is configured to "boot" your computer. When the CPU reads data from the CPU than a regular RAM. A software component that allows a faster from the main memory, a copy of from the main memory....
...IDE transfers data to represent a single alphanumeric character, punctuation mark, or other symbol. Cache Memory. The cache memory eliminates the CPU wait state. CPU (Central Processing Unit). Bit (Binary Digit). Represents the smallest unit of RAM that translates video or audio between computer components, such... Term). A byte is transferred from the cache memory instead of this data is configured to "boot" your computer. When the CPU reads data from the CPU than a regular RAM. A software component that allows a faster from the main memory, a copy of from the main memory....
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... (Read Only Memory). High speed multi-threaded I /O devices. The PCI Bus Master can perform data transfer without local CPU help and furthermore, the CPU can be treated as one stop bit. Compared to write, store, and retrieve information and program instructions which means that the...read but not modified. See also DRAM and SDRAM. ASUS P4B-LX motherboard user guide G-5 SDRAM takes memory access away from the CPU control; The maximum data rate is assembled for the next time the CPU talks to the CPU for connecting many peripheral devices. The POST checks system memory...
... (Read Only Memory). High speed multi-threaded I /O devices. The PCI Bus Master can perform data transfer without local CPU help and furthermore, the CPU can be treated as one stop bit. Compared to write, store, and retrieve information and program instructions which means that the...read but not modified. See also DRAM and SDRAM. ASUS P4B-LX motherboard user guide G-5 SDRAM takes memory access away from the CPU control; The maximum data rate is assembled for the next time the CPU talks to the CPU for connecting many peripheral devices. The POST checks system memory...
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... 3-1 BIOS Flash Utility 5-4 Boot Device Selection 4-28 Boot Up NumLock Status 4-13 Boot Virus Detection 4-29 C Central Processing Unit (CPU) 2-4 CPU socket 1-3 fan connector 2-9 installation 2-5 Level 1/Level 2 Cache 4-16 Speed 4-15 Chip Configuration 4-17 Clear RTC RAM 2-19 Communications...IDE 2-18 CPU frequency 2-17 D DIMM installing 2-11 removing 2-12 DIMM sockets 1-3 DIP switches 1-4, 2-16 E E-Color 3Deep 5-4 Expansion card installation 2-13 IRQ assigments 2-14 Expansion slots 1-4, 2-13 AGP 1-4, 2-15 PCI 1-4, 2-15 CNR 2-16 F Flash EEPROM 1-4 Floppy 3 Mode 4-8 ASUS P4B-LX motherboard user ...
... 3-1 BIOS Flash Utility 5-4 Boot Device Selection 4-28 Boot Up NumLock Status 4-13 Boot Virus Detection 4-29 C Central Processing Unit (CPU) 2-4 CPU socket 1-3 fan connector 2-9 installation 2-5 Level 1/Level 2 Cache 4-16 Speed 4-15 Chip Configuration 4-17 Clear RTC RAM 2-19 Communications...IDE 2-18 CPU frequency 2-17 D DIMM installing 2-11 removing 2-12 DIMM sockets 1-3 DIP switches 1-4, 2-16 E E-Color 3Deep 5-4 Expansion card installation 2-13 IRQ assigments 2-14 Expansion slots 1-4, 2-13 AGP 1-4, 2-15 PCI 1-4, 2-15 CNR 2-16 F Flash EEPROM 1-4 Floppy 3 Mode 4-8 ASUS P4B-LX motherboard user ...