Motherboard DIY Troubleshooting Guide
Page 8
... list of the support CD that comes with the motherboard package. • Glossary This part lists the technical terms that you need when installing the ASUS P4B-LX motherboard. How this guide is organized This manual contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the switches, jumpers.... About this guide This user guide contains the information you have to change system settings through the BIOS Setup menus. It includes description of the P4B-LX motherboard. viii
... list of the support CD that comes with the motherboard package. • Glossary This part lists the technical terms that you need when installing the ASUS P4B-LX motherboard. How this guide is organized This manual contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the switches, jumpers.... About this guide This user guide contains the information you have to change system settings through the BIOS Setup menus. It includes description of the P4B-LX motherboard. viii
Motherboard DIY Troubleshooting Guide
Page 13
...174; 845 (Brookdale) chipset to set a new benchmark for buying the ASUS® P4B-LX motherboard! ASUS P4B-LX motherboard user guide 1-1 The P4B-LX incorporates the Intel® Pentium® 4 Processor in the world of ASUS quality motherboards! Supporting up to 2GB of system memory with PC100/133 unbuffered... If any of the above items is damaged or missing, contact your P4B-LX package for the following items. ASUS P4B-LX motherboard (micro-ATX form factor: 9.6 x 9.6 inches) ASUS P4B-LX support CD ASUS 2-port USB module ASUS 2-port 1394 module and two 8-to get ahead in 478-pin package...
...174; 845 (Brookdale) chipset to set a new benchmark for buying the ASUS® P4B-LX motherboard! ASUS P4B-LX motherboard user guide 1-1 The P4B-LX incorporates the Intel® Pentium® 4 Processor in the world of ASUS quality motherboards! Supporting up to 2GB of system memory with PC100/133 unbuffered... If any of the above items is damaged or missing, contact your P4B-LX package for the following items. ASUS P4B-LX motherboard (micro-ATX form factor: 9.6 x 9.6 inches) ASUS P4B-LX support CD ASUS 2-port USB module ASUS 2-port 1394 module and two 8-to get ahead in 478-pin package...
Motherboard DIY Troubleshooting Guide
Page 15
... bus master IDE connectors support up when power is supplied to prevent incorrect insertion of the connector is slotted to an ATX 12V power supply. ASUS P4B-LX motherboard user guide 1-3 The power supply must have at least 1A on the +5V standby lead (+5VSB). 6 Floppy disk connector. Both the primary (blue) and...
... bus master IDE connectors support up when power is supplied to prevent incorrect insertion of the connector is slotted to an ATX 12V power supply. ASUS P4B-LX motherboard user guide 1-3 The power supply must have at least 1A on the +5V standby lead (+5VSB). 6 Floppy disk connector. Both the primary (blue) and...
Motherboard DIY Troubleshooting Guide
Page 17
.../2 mouse port. This purple 6-pin connector is shipped with a boxed CPU. 21 IEEE-1394 connector. Retention Module Base Figure 1-2 Pre-installed Heatsink Retention Module Base ASUS P4B-LX motherboard user guide 1-5 This 25-pin port connects a parallel printer, a scanner, or other motherboard components.
.../2 mouse port. This purple 6-pin connector is shipped with a boxed CPU. 21 IEEE-1394 connector. Retention Module Base Figure 1-2 Pre-installed Heatsink Retention Module Base ASUS P4B-LX motherboard user guide 1-5 This 25-pin port connects a parallel printer, a scanner, or other motherboard components.
Motherboard DIY Troubleshooting Guide
Page 21
Refer to the image below. 2.1.2 Screw holes Place eight (8) screws into the chassis in the correct orientation. The P4B-LX uses the micro-ATX form factor that you place it . Doing so may cause you physical injury and damage motherboard components. 2.1.1 ... Place this side towards the rear of the chassis. Make sure to the rear part of the chassis Figure 2-1 Motherboard placement and screw holes ASUS P4B-LX motherboard user guide 2-1 Do not overtighten the screws! 2.1 Motherboard installation Before you install the motherboard, study the configuration of your chassis to ensure...
Refer to the image below. 2.1.2 Screw holes Place eight (8) screws into the chassis in the correct orientation. The P4B-LX uses the micro-ATX form factor that you place it . Doing so may cause you physical injury and damage motherboard components. 2.1.1 ... Place this side towards the rear of the chassis. Make sure to the rear part of the chassis Figure 2-1 Motherboard placement and screw holes ASUS P4B-LX motherboard user guide 2-1 Do not overtighten the screws! 2.1 Motherboard installation Before you install the motherboard, study the configuration of your chassis to ensure...
Motherboard DIY Troubleshooting Guide
Page 23
... bag that the system is detached from the wall socket before touching any motherboard component. LED1 P4B-LX P4B-LX Onboard LED ON Power ON or Sleep Mode OFF Power OFF or Soft-Off Mode Figure 2-3 Onboard Power LED ASUS P4B-LX motherboard user guide 2-3 Whenever you uninstall any motherboard settings. 1. Hold components by the edges and...
... bag that the system is detached from the wall socket before touching any motherboard component. LED1 P4B-LX P4B-LX Onboard LED ON Power ON or Sleep Mode OFF Power OFF or Soft-Off Mode Figure 2-3 Onboard Power LED ASUS P4B-LX motherboard user guide 2-3 Whenever you uninstall any motherboard settings. 1. Hold components by the edges and...
Motherboard DIY Troubleshooting Guide
Page 25
2.4.2 Installing the CPU Follow these steps to a 90°-100° angle. Figure 2-5 Intel 478-pin ZIF Socket 2. Unlock the socket by pressing the lever sideways, then lift it up to 90°-100° angle, otherwise the CPU does not fit in completely. Socket Lever 90 - 100 Figure 2-6 CPU Socket Lever at 90° -100° Angle Make sure that the socket lever is lifted up to install a CPU. 1. ASUS P4B-LX motherboard user guide 2-5 Locate the 478-pin ZIF socket on the motherboard.
2.4.2 Installing the CPU Follow these steps to a 90°-100° angle. Figure 2-5 Intel 478-pin ZIF Socket 2. Unlock the socket by pressing the lever sideways, then lift it up to 90°-100° angle, otherwise the CPU does not fit in completely. Socket Lever 90 - 100 Figure 2-6 CPU Socket Lever at 90° -100° Angle Make sure that the socket lever is lifted up to install a CPU. 1. ASUS P4B-LX motherboard user guide 2-5 Locate the 478-pin ZIF socket on the motherboard.
Motherboard DIY Troubleshooting Guide
Page 27
... 2-9 Installing the CPU Heatsink Your boxed Intel Pentium 4 478/Northwood Processor package should come with installation instructions for the CPU, heatsink, and the retention mechanism. ASUS P4B-LX motherboard user guide 2-7 When you use only Intel certified heatsink and fan.
... 2-9 Installing the CPU Heatsink Your boxed Intel Pentium 4 478/Northwood Processor package should come with installation instructions for the CPU, heatsink, and the retention mechanism. ASUS P4B-LX motherboard user guide 2-7 When you use only Intel certified heatsink and fan.
Motherboard DIY Troubleshooting Guide
Page 29
CPU Fan Connector (CPU_FAN) Figure 2-12 CPU Fan Connector ASUS P4B-LX motherboard user guide 2-9 When secure, the retention locks should point to the module base. Push down the locks on the motherboard labeled CPU_FAN. 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. 3.
CPU Fan Connector (CPU_FAN) Figure 2-12 CPU Fan Connector ASUS P4B-LX motherboard user guide 2-9 When secure, the retention locks should point to the module base. Push down the locks on the motherboard labeled CPU_FAN. 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. 3.
Motherboard DIY Troubleshooting Guide
Page 31
Figure 2-14 Installing a DIMM Unlocked Retaining Clip Figure 2-15 Installed DIMM ASUS P4B-LX motherboard user guide Locked Retaining Clip 2-11 Align a DIMM on the socket such that the notches on the DIMM match the breaks on the socket. 3. 2.5.3 ...
Figure 2-14 Installing a DIMM Unlocked Retaining Clip Figure 2-15 Installed DIMM ASUS P4B-LX motherboard user guide Locked Retaining Clip 2-11 Align a DIMM on the socket such that the notches on the DIMM match the breaks on the socket. 3. 2.5.3 ...
Motherboard DIY Troubleshooting Guide
Page 33
... may need to install expansion cards. Remove the system unit cover (if your motherboard is completely seated on the slot. 5. Figure 2-17 Installing a PCI Card ASUS P4B-LX motherboard user guide 2-13 Remove the bracket opposite the slot that they support. Keep the screw for the card. 2. Replace the system cover. The motherboard...
... may need to install expansion cards. Remove the system unit cover (if your motherboard is completely seated on the slot. 5. Figure 2-17 Installing a PCI Card ASUS P4B-LX motherboard user guide 2-13 Remove the bracket opposite the slot that they support. Keep the screw for the card. 2. Replace the system cover. The motherboard...
Motherboard DIY Troubleshooting Guide
Page 35
...LAN card, SCSI card, USB card, and other cards that you buy an AGP card, make sure that comply with +1.5V specification. P4B-LX Keyed for one with PCI specifications. 2.6.3 PCI slots This motherboard has three 32-bit PCI slots. The AGP slot supports only 1.5V ...card installed on your motherboard. Take note of a +1.5V AGP card. When you ask for 1.5v P4B-LX Accelerated Graphics Port (AGP) Figure 2-19 Accelerated Graphics Port (AGP) Slot Location ASUS P4B-LX motherboard user guide 2-15 Figure 2-18 Installed PCI Card 2.6.4 AGP slot This motherboard has an Accelerated Graphics...
...LAN card, SCSI card, USB card, and other cards that you buy an AGP card, make sure that comply with +1.5V specification. P4B-LX Keyed for one with PCI specifications. 2.6.3 PCI slots This motherboard has three 32-bit PCI slots. The AGP slot supports only 1.5V ...card installed on your motherboard. Take note of a +1.5V AGP card. When you ask for 1.5v P4B-LX Accelerated Graphics Port (AGP) Figure 2-19 Accelerated Graphics Port (AGP) Slot Location ASUS P4B-LX motherboard user guide 2-15 Figure 2-18 Installed PCI Card 2.6.4 AGP slot This motherboard has an Accelerated Graphics...
Motherboard DIY Troubleshooting Guide
Page 37
... not place jumper caps over connector pins. 2.8 Connectors This section describes and illustrates the internal connectors on the connectors. P4B-LX PIN 1 P4B-LX Floppy Disk Drive Connector Figure 2-21 Floppy Disk Drive Connector ASUS P4B-LX motherboard user guide 2-17 Floppy disk drive connector (34-1 pin FLOPPY) This connector supports the provided floppy drive ribbon cable...
... not place jumper caps over connector pins. 2.8 Connectors This section describes and illustrates the internal connectors on the connectors. P4B-LX PIN 1 P4B-LX Floppy Disk Drive Connector Figure 2-21 Floppy Disk Drive Connector ASUS P4B-LX motherboard user guide 2-17 Floppy disk drive connector (34-1 pin FLOPPY) This connector supports the provided floppy drive ribbon cable...
Motherboard DIY Troubleshooting Guide
Page 39
... connector matching the black wire to the fan connectors. 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 USB header (10-1 pin ...USB23) If the USB ports on the rear panel are not jumpers! 3. CPU_FAN GND +12V Rotation P4B-LX CHASIS_FAN GND +12V Rotation P4B-LX 12-Volt Fan Connectors Figure 2-23 Fan Connectors 4. Connect...
... connector matching the black wire to the fan connectors. 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 USB header (10-1 pin ...USB23) If the USB ports on the rear panel are not jumpers! 3. CPU_FAN GND +12V Rotation P4B-LX CHASIS_FAN GND +12V Rotation P4B-LX 12-Volt Fan Connectors Figure 2-23 Fan Connectors 4. Connect...
Motherboard DIY Troubleshooting Guide
Page 41
... headers. 8-pin Connector 6-pin Connector P4B-LX P4B-LX IEEE-1394 Headers Ground Ground TPA2+ TPA2TPB2+ TPB2Ground +12V +12V Ground TPB2TPB2+ TPA2TPA2+ Ground Ground 1394HEAD3 1394HEAD2 Figure 2-27 Internal Audio Connectors ASUS P4B-LX motherboard user guide 2-21 AUX_CON CD ...IN Right Audio Channel Ground Ground Left Audio Channel Right Audio Channel Ground Ground Left Audio Channel P4B-LX P4B-LX Internal Audio Connectors Figure 2-26 Internal Audio Connectors...
... headers. 8-pin Connector 6-pin Connector P4B-LX P4B-LX IEEE-1394 Headers Ground Ground TPA2+ TPA2TPB2+ TPB2Ground +12V +12V Ground TPB2TPB2+ TPA2TPA2+ Ground Ground 1394HEAD3 1394HEAD2 Figure 2-27 Internal Audio Connectors ASUS P4B-LX motherboard user guide 2-21 AUX_CON CD ...IN Right Audio Channel Ground Ground Left Audio Channel Right Audio Channel Ground Ground Left Audio Channel P4B-LX P4B-LX Internal Audio Connectors Figure 2-26 Internal Audio Connectors...
Motherboard DIY Troubleshooting Guide
Page 43
... connector connects to this 2-pin connector. • ATX Power Switch / Soft-Off Switch Lead (2-pin PWRBTN) This connector connects a switch that controls the system power. ASUS P4B-LX motherboard user guide 2-23 • System Management Interrupt Lead (2-pin EXTSMI) This 2-pin connector allows you to manually place the system into a suspend mode, or...
... connector connects to this 2-pin connector. • ATX Power Switch / Soft-Off Switch Lead (2-pin PWRBTN) This connector connects a switch that controls the system power. ASUS P4B-LX motherboard user guide 2-23 • System Management Interrupt Lead (2-pin EXTSMI) This 2-pin connector allows you to manually place the system into a suspend mode, or...
Motherboard DIY Troubleshooting Guide
Page 47
... endless loop One long beep followed by three short beeps High frequency beeps when system is equipped with a surge protector. 5. At power on test. Monitor b. ASUS P4B-LX motherboard user guide 3-1 External SCSI devices (starting with "green" standards or if it has a "power standby" feature, the monitor LED may have failed a power-on...
... endless loop One long beep followed by three short beeps High frequency beeps when system is equipped with a surge protector. 5. At power on test. Monitor b. ASUS P4B-LX motherboard user guide 3-1 External SCSI devices (starting with "green" standards or if it has a "power standby" feature, the monitor LED may have failed a power-on...