Motherboard DIY Troubleshooting Guide
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... contents 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-MX motherboard. viii It includes description of the switches, jumpers, and connectors on the motherboard. • Chapter 3: Powering up This chapter describes the power up sequence... BIOS Setup menus. About this guide is organized This manual contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the P4B-MX motherboard.
... contents 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-MX motherboard. viii It includes description of the switches, jumpers, and connectors on the motherboard. • Chapter 3: Powering up This chapter describes the power up sequence... BIOS Setup menus. About this guide is organized This manual contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the P4B-MX motherboard.
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... delivers a host of new features and latest technology making it , check the items in ) ASUS P4B-MX support CD ASUS 2-port USB module 80-conductor ribbon cable for UltraDMA/33/66/100 IDE drives Ribbon cable for a 3.5-inch floppy drive Bag of extra jumper caps ...User Guide If any of system memory with the list below. 1.2 Package contents Check your P4B-MX package for the following items. ASUS P4B-MX motherboard (micro-ATX form factor: 9.6-in x 9.6-in your package with PC100/133 unbuffered SDRAM, high-resolution graphics via an AGP 4X slot...
... delivers a host of new features and latest technology making it , check the items in ) ASUS P4B-MX support CD ASUS 2-port USB module 80-conductor ribbon cable for UltraDMA/33/66/100 IDE drives Ribbon cable for a 3.5-inch floppy drive Bag of extra jumper caps ...User Guide If any of system memory with the list below. 1.2 Package contents Check your P4B-MX package for the following items. ASUS P4B-MX motherboard (micro-ATX form factor: 9.6-in x 9.6-in your package with PC100/133 unbuffered SDRAM, high-resolution graphics via an AGP 4X slot...
Motherboard DIY Troubleshooting Guide
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... MCH along with the south bridge Intel I /O functionality and system hardware monitoring capability. This connector accommodates the provided ribbon cable for the floppy disk drive. ASUS P4B-MX motherboard user guide 1-3 1 CPU socket. The chipset incorporates Fan Speed Control Monitor (FSCM), event wake-up feature, floppy disk controller, keyboard/mouse controller, a parallel port...
... MCH along with the south bridge Intel I /O functionality and system hardware monitoring capability. This connector accommodates the provided ribbon cable for the floppy disk drive. ASUS P4B-MX motherboard user guide 1-3 1 CPU socket. The chipset incorporates Fan Speed Control Monitor (FSCM), event wake-up feature, floppy disk controller, keyboard/mouse controller, a parallel port...
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... retention module base when installing the CPU or installing other devices. 25 PS/2 keyboard port. Retention Module Base Figure 1-2 Pre-installed Heatsink Retention Module Base ASUS P4B-MX motherboard user guide 1-5 This green 6-pin connector is for a PS/2 mouse. 1.3.2 Pre-installed accessory This motherboard is for a PS/2 keyboard. 26 PS/2 mouse port. These...
... retention module base when installing the CPU or installing other devices. 25 PS/2 keyboard port. Retention Module Base Figure 1-2 Pre-installed Heatsink Retention Module Base ASUS P4B-MX motherboard user guide 1-5 This green 6-pin connector is for a PS/2 mouse. 1.3.2 Pre-installed accessory This motherboard is for a PS/2 keyboard. 26 PS/2 mouse port. These...
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... installing or removing the motherboard. The edge with external ports goes to do so may damage the motherboard. The P4B-MX uses the microATX form factor that you place it . Failure to the rear part of the chassis Figure 2-1 Motherboard placement and screw holes ASUS P4B-MX motherboard user guide 2-1 Do not overtighten the screws!
... installing or removing the motherboard. The edge with external ports goes to do so may damage the motherboard. The P4B-MX uses the microATX form factor that you place it . Failure to the rear part of the chassis Figure 2-1 Motherboard placement and screw holes ASUS P4B-MX motherboard user guide 2-1 Do not overtighten the screws!
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... on a grounded antistatic pad or in suspend or soft-off mode, not powered OFF. See the illustration below. ® P4B-MX P4B-MX Onboard LED Figure 2-3 Onboard Power LED ON Standby Power OFF Powered Off ASUS P4B-MX motherboard user guide 2-3 Use a grounded wrist strap or touch a safely grounded object or to a metal object, such as the...
... on a grounded antistatic pad or in suspend or soft-off mode, not powered OFF. See the illustration below. ® P4B-MX P4B-MX Onboard LED Figure 2-3 Onboard Power LED ON Standby Power OFF Powered Off ASUS P4B-MX motherboard user guide 2-3 Use a grounded wrist strap or touch a safely grounded object or to a metal object, such as the...
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Locate the 478-pin ZIF socket on the motherboard. ASUS P4B-MX motherboard user guide 2-5 Unlock the socket by pressing the lever sideways, then lift it up to 90°-100° angle, otherwise the CPU does not fit in completely. 2.4.2 Installing the CPU Follow these steps 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 install a CPU. 1. Figure 2-5 Intel 478-pin ZIF Socket 2.
Locate the 478-pin ZIF socket on the motherboard. ASUS P4B-MX motherboard user guide 2-5 Unlock the socket by pressing the lever sideways, then lift it up to 90°-100° angle, otherwise the CPU does not fit in completely. 2.4.2 Installing the CPU Follow these steps 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 install a CPU. 1. Figure 2-5 Intel 478-pin ZIF Socket 2.
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ASUS P4B-MX motherboard user guide 2-7 2.4.3 Installing the heatsink and fan The Intel® Pentium® 4 478/Northwood Processor requires a specially designed heatsink and fan assembly to install ...
ASUS P4B-MX motherboard user guide 2-7 2.4.3 Installing the heatsink and fan The Intel® Pentium® 4 478/Northwood Processor requires a specially designed heatsink and fan assembly to install ...
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3. When secure, the retention locks should point to the connector on the retention mechanism to secure the heatsink and fan to the module base. 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 opposite directions. CPU Fan Connector (CPU_FAN) Figure 2-12 CPU Fan Connector ASUS P4B-MX motherboard user guide 2-9 Push down the locks on the motherboard labeled CPU_FAN.
3. When secure, the retention locks should point to the connector on the retention mechanism to secure the heatsink and fan to the module base. 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 opposite directions. CPU Fan Connector (CPU_FAN) Figure 2-12 CPU Fan Connector ASUS P4B-MX motherboard user guide 2-9 Push down the locks on the motherboard labeled CPU_FAN.
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Failure to do so may cause severe damage to install a DIMM. 1. Figure 2-14 Installing a DIMM Unlocked Retaining Clip Figure 2-15 Installed DIMM ASUS P4B-MX motherboard user guide Locked Retaining Clip 2-11 Unlock a DIMM socket by pressing the retaining clips outward. 2. Align a DIMM on the socket such that the notches ...
Failure to do so may cause severe damage to install a DIMM. 1. Figure 2-14 Installing a DIMM Unlocked Retaining Clip Figure 2-15 Installed DIMM ASUS P4B-MX motherboard user guide Locked Retaining Clip 2-11 Unlock a DIMM socket by pressing the retaining clips outward. 2. Align a DIMM on the socket such that the notches ...
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... need to install expansion cards. Remove the bracket opposite the slot that they support. Keep the screw for the card. 2. Figure 2-17 Installing a PCI Card ASUS P4B-MX motherboard user guide 2-13 Remove the system unit cover (if your motherboard is completely seated on the slot. 5. 2.6 Expansion slots In the future, you intend...
... need to install expansion cards. Remove the bracket opposite the slot that they support. Keep the screw for the card. 2. Figure 2-17 Installing a PCI Card ASUS P4B-MX motherboard user guide 2-13 Remove the system unit cover (if your motherboard is completely seated on the slot. 5. 2.6 Expansion slots In the future, you intend...
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... such as a LAN card, SCSI card, USB card, and other cards that supports +1.5V AGP cards. Take note of a +1.5V AGP card. ® P4B-MX P4B-MX Accelerated Graphics Port (AGP) Keyed for one with PCI specifications. When you ask for 1.5V Figure 2-19 Accelerated Graphics Port (AGP) Slot Location ASUS P4B-MX motherboard user guide 2-15
... such as a LAN card, SCSI card, USB card, and other cards that supports +1.5V AGP cards. Take note of a +1.5V AGP card. ® P4B-MX P4B-MX Accelerated Graphics Port (AGP) Keyed for one with PCI specifications. When you ask for 1.5V Figure 2-19 Accelerated Graphics Port (AGP) Slot Location ASUS P4B-MX motherboard user guide 2-15
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... multiple equals the CPU's internal frequency (the advertised CPU speed). SW1801 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ® P4B-MX P4B-MX CPU External Frequency Selection CPUCLK 100.00MHz 103.00MHz 105.00MHz 3V66 66.67MHz 68.67MHz 70.00MHz PCICLK 33.33MHz 34.33MHz 35.00MHz ....67MHz PCICLK 35.75MHz 36.25MHz 37.5MHz 38.75MHz 40.00MHz 42.50MHz 33.34MHz 33.33MHz Figure 2-21 CPU Frequency Settings ASUS P4B-MX motherboard user guide 2-17 This allows the selection of the CPU's external frequency (or Bus Clock). CPU frequency selection (SWITCH Switches ...
... multiple equals the CPU's internal frequency (the advertised CPU speed). SW1801 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ® P4B-MX P4B-MX CPU External Frequency Selection CPUCLK 100.00MHz 103.00MHz 105.00MHz 3V66 66.67MHz 68.67MHz 70.00MHz PCICLK 33.33MHz 34.33MHz 35.00MHz ....67MHz PCICLK 35.75MHz 36.25MHz 37.5MHz 38.75MHz 40.00MHz 42.50MHz 33.34MHz 33.33MHz Figure 2-21 CPU Frequency Settings ASUS P4B-MX motherboard user guide 2-17 This allows the selection of the CPU's external frequency (or Bus Clock). CPU frequency selection (SWITCH Switches ...
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... current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode. ® P4B-MX KBPWR 2 1 +5V (Default) 3 2 +5VSB P4B-MX Keyboard Power Up Figure 2-23 Keyboard Power Settings ASUS P4B-MX motherboard user guide 2-19 Keyboard power (3-pin KBPWR) This jumper allows you press a key on the keyboard (the default...
... current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode. ® P4B-MX KBPWR 2 1 +5V (Default) 3 2 +5VSB P4B-MX Keyboard Power Up Figure 2-23 Keyboard Power Settings ASUS P4B-MX motherboard user guide 2-19 Keyboard power (3-pin KBPWR) This jumper allows you press a key on the keyboard (the default...
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.... Always connect ribbon cables with the red stripe to light up. ® P4B-MX TIP: If the case-mounted LED does not light up, try reversing the 2-pin plug. HDDLED P4B-MX HDD Activity LED Figure 2-25 Hard Disk LED Connector ASUS P4B-MX motherboard user guide 2-21 Pin 1 is usually on the side closest to the...
.... Always connect ribbon cables with the red stripe to light up. ® P4B-MX TIP: If the case-mounted LED does not light up, try reversing the 2-pin plug. HDDLED P4B-MX HDD Activity LED Figure 2-25 Hard Disk LED Connector ASUS P4B-MX motherboard user guide 2-21 Pin 1 is usually on the side closest to the...
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...and plug may damage the motherboard components. Do not forget to connect the fan cables to the ground pin. CPU_FAN Rotation +12V- ® P4B-MX SYSTEM_FAN Rotation -+12V PCI_FAN Rotation +12V- CPU, System, and PCI fan connectors (3-pin CPU_FAN, SYSTEM_FAN, PCI_FAN) The fan connectors support a... drive. (Pin 5 is removed to PIN 1. ® P4B-MX P4B-MX Floppy Disk Drive Connector Figure 2-27 Floppy Disk Drive Connector 4. P4B-MX 12-Volt Cooling Fan Power Figure 2-28 CPU, System, and PCI Fan Connectors ASUS P4B-MX motherboard user guide 2-23 Orient the fans properly to allow air...
...and plug may damage the motherboard components. Do not forget to connect the fan cables to the ground pin. CPU_FAN Rotation +12V- ® P4B-MX SYSTEM_FAN Rotation -+12V PCI_FAN Rotation +12V- CPU, System, and PCI fan connectors (3-pin CPU_FAN, SYSTEM_FAN, PCI_FAN) The fan connectors support a... drive. (Pin 5 is removed to PIN 1. ® P4B-MX P4B-MX Floppy Disk Drive Connector Figure 2-27 Floppy Disk Drive Connector 4. P4B-MX 12-Volt Cooling Fan Power Figure 2-28 CPU, System, and PCI Fan Connectors ASUS P4B-MX motherboard user guide 2-23 Orient the fans properly to allow air...
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... +5.0VDC COM +3.3VDC +3.3VDC +5.0VDC +5.0VDC -5.0VDC COM COM COM PS_ON# COM -12.0VDC +3.3VDC ® P4B-MX P4B-MX ATX Power Connectors ATX +12V +12V DC COM Pin 1 +12V DC COM Figure 2-31 Power Supply Connectors ASUS P4B-MX motherboard user guide 2-25 In addition to the 20-pin ATXPWR connector, this motherboard requires that your...
... +5.0VDC COM +3.3VDC +3.3VDC +5.0VDC +5.0VDC -5.0VDC COM COM COM PS_ON# COM -12.0VDC +3.3VDC ® P4B-MX P4B-MX ATX Power Connectors ATX +12V +12V DC COM Pin 1 +12V DC COM Figure 2-31 Power Supply Connectors ASUS P4B-MX motherboard user guide 2-25 In addition to the 20-pin ATXPWR connector, this motherboard requires that your...
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System panel connectors (20-pin PANEL) This connector accommodates several system front panel functions. ASUS P4B-MX motherboard user guide 2-27 Figure 2-34 System Panel Connectors • System Power LED Lead (3-1 pin PWRLED) This 3-1 pin connector connects to allow the ...Connector GND PLED Keylock +5V Ground Ground Speaker 20 1 +5 VSB MLED ExtSMI# Ground PWR Ground Reset Ground Reset SW ® P4B-MX Message LED ATX Power SMI Lead Switch* P4B-MX System Panel Connectors * Requires an ATX power supply. The LED blinks when data is no incoming data signal. The LED lights ...
System panel connectors (20-pin PANEL) This connector accommodates several system front panel functions. ASUS P4B-MX motherboard user guide 2-27 Figure 2-34 System Panel Connectors • System Power LED Lead (3-1 pin PWRLED) This 3-1 pin connector connects to allow the ...Connector GND PLED Keylock +5V Ground Ground Speaker 20 1 +5 VSB MLED ExtSMI# Ground PWR Ground Reset Ground Reset SW ® P4B-MX Message LED ATX Power SMI Lead Switch* P4B-MX System Panel Connectors * Requires an ATX power supply. The LED blinks when data is no incoming data signal. The LED lights ...