Motherboard DIY Troubleshooting Guide
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About this document. It includes brief descriptions of the special attributes of the P4B-M motherboard. How this guide is organized This manual contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the motherboard and ... 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-M motherboard.
About this document. It includes brief descriptions of the special attributes of the P4B-M motherboard. How this guide is organized This manual contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the motherboard and ... 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-M motherboard.
Motherboard DIY Troubleshooting Guide
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... Ribbon cable for an effective desktop platform solution. The ASUS P4B-M motherboard delivers a host of the above items is your P4B-M package for the following items. ASUS P4B-M motherboard (micro-ATX form factor: 9.6-in x 9.6-in the world of ASUS quality motherboards! Supporting up to 3GB of system memory... User Guide If any of new features and latest technology making it , check the items in the long line of power computing! ASUS P4B-M motherboard user guide 1-1 1.1 Welcome! Thank you start installing the motherboard, and hardware devices on it another standout in your package...
... Ribbon cable for an effective desktop platform solution. The ASUS P4B-M motherboard delivers a host of the above items is your P4B-M package for the following items. ASUS P4B-M motherboard (micro-ATX form factor: 9.6-in x 9.6-in the world of ASUS quality motherboards! Supporting up to 3GB of system memory... User Guide If any of new features and latest technology making it , check the items in the long line of power computing! ASUS P4B-M motherboard user guide 1-1 1.1 Welcome! Thank you start installing the motherboard, and hardware devices on it another standout in your package...
Motherboard DIY Troubleshooting Guide
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... set the CPU external frequency. This 2Mb firmware contains the programmable BIOS program. 9 DIP switches. The MCH along with 400MHz system bus. 2 North bridge controller. ASUS P4B-M motherboard user guide 1-3 The power supply must have at least 1A on the +5V standby lead (+5Vsb). 5 Super I/O chipset. These dual-channel bus master IDE...
... set the CPU external frequency. This 2Mb firmware contains the programmable BIOS program. 9 DIP switches. The MCH along with 400MHz system bus. 2 North bridge controller. ASUS P4B-M motherboard user guide 1-3 The power supply must have at least 1A on the +5V standby lead (+5Vsb). 5 Super I/O chipset. These dual-channel bus master IDE...
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.../2 keyboard port. 22 ATX 12V connector. This purple 6-pin connector is shipped with a boxed CPU. Retention Module Base Figure 1-2 Pre-installed Heatsink Retention Module Base ASUS P4B-M motherboard user guide 1-5 This power connector connects the 4-pin 12V plug from the ATX 12V power supply. 23 Serial ports. These two 9-pin COM1/COM2...
.../2 keyboard port. 22 ATX 12V connector. This purple 6-pin connector is shipped with a boxed CPU. Retention Module Base Figure 1-2 Pre-installed Heatsink Retention Module Base ASUS P4B-M motherboard user guide 1-5 This power connector connects the 4-pin 12V plug from the ATX 12V power supply. 23 Serial ports. These two 9-pin COM1/COM2...
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... rear of the chassis. The edge with external ports goes to the rear part of the chassis Figure 2-1 Motherboard placement and screw holes ASUS P4B-M motherboard user guide 2-1 The P4B-M uses the micro-ATX form factor that measures 9.6 inches x 9.6 inches, a standard fit for most chassis. Failure to unplug the power cord before installing...
... rear of the chassis. The edge with external ports goes to the rear part of the chassis Figure 2-1 Motherboard placement and screw holes ASUS P4B-M motherboard user guide 2-1 The P4B-M uses the micro-ATX form factor that measures 9.6 inches x 9.6 inches, a standard fit for most chassis. Failure to unplug the power cord before installing...
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... the motherboard, peripherals, and/or components. Whenever you install motherboard components or change any component, place it on them. 4. P4B-M ® P4B-M Onboard LED ON Standby Power Figure 2-3 Onboard Power LED OFF Powered Off ASUS P4B-M motherboard user guide 2-3 Use a grounded wrist strap or touch a safely grounded object or to a metal object, such as...
... the motherboard, peripherals, and/or components. Whenever you install motherboard components or change any component, place it on them. 4. P4B-M ® P4B-M Onboard LED ON Standby Power Figure 2-3 Onboard Power LED OFF Powered Off ASUS P4B-M motherboard user guide 2-3 Use a grounded wrist strap or touch a safely grounded object or to a metal object, such as...
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Unlock the socket by pressing the lever sideways, then lift it up to 90°-100° angle, otherwise the CPU does not fit in completely. ASUS P4B-M motherboard user guide 2-5 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.
Unlock the socket by pressing the lever sideways, then lift it up to 90°-100° angle, otherwise the CPU does not fit in completely. ASUS P4B-M motherboard user guide 2-5 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.
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... top of the installed CPU, making sure that you buy a boxed Intel Pentium 4 478/Northwood Processor, the package includes the heatsink, fan, and retention mechanism. ASUS P4B-M motherboard user guide 2-7 The retention module base is already installed on the retention module base. If the instructions in this section do not match the...
... top of the installed CPU, making sure that you buy a boxed Intel Pentium 4 478/Northwood Processor, the package includes the heatsink, fan, and retention mechanism. ASUS P4B-M motherboard user guide 2-7 The retention module base is already installed on the retention module base. If the instructions in this section do not match the...
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Push down the locks on the retention mechanism to secure the heatsink and fan to the connector on the motherboard labeled CPUFAN. 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 module base. CPU Fan Connector (CPUFAN) Figure 2-12 CPU Fan Connector ASUS P4B-M motherboard user guide 2-9 When secure, the retention locks should point to opposite directions. 3.
Push down the locks on the retention mechanism to secure the heatsink and fan to the connector on the motherboard labeled CPUFAN. 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 module base. CPU Fan Connector (CPUFAN) Figure 2-12 CPU Fan Connector ASUS P4B-M motherboard user guide 2-9 When secure, the retention locks should point to opposite directions. 3.
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... socket such that the notches on the DIMM match the breaks on the socket. 3. Figure 2-14 Installing a DIMM Unlocked Retaining Clip Figure 2-15 Installed DIMM ASUS P4B-M motherboard user guide Locked Retaining Clip 2-11 Firmly insert the DIMM into the socket until the retaining clips snap back in place and the DIMM...
... socket such that the notches on the DIMM match the breaks on the socket. 3. Figure 2-14 Installing a DIMM Unlocked Retaining Clip Figure 2-15 Installed DIMM ASUS P4B-M motherboard user guide Locked Retaining Clip 2-11 Firmly insert the DIMM into the socket until the retaining clips snap back in place and the DIMM...
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... screw you physical injury and damage motherboard components. 2.6.1 Installing an expansion card Follow these steps to install an expansion card. 1. Figure 2-17 Installing a PCI Card ASUS P4B-M motherboard user guide 2-13 2.6 Expansion slots In the future, you intend to use . 4.
... screw you physical injury and damage motherboard components. 2.6.1 Installing an expansion card Follow these steps to install an expansion card. 1. Figure 2-17 Installing a PCI Card ASUS P4B-M motherboard user guide 2-13 2.6 Expansion slots In the future, you intend to use . 4.
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... slot on a PCI slot. When you ask for 1.5V Figure 2-19 Accelerated Graphics Port (AGP) Slot Location ASUS P4B-M motherboard user guide 2-15 The following figure shows a LAN card installed on your motherboard. P4B-M ® P4B-M Accelerated Graphics Port (AGP) Keyed for one with PCI specifications. 2.6.3 PCI slots There are three 32-bit PCI...
... slot on a PCI slot. When you ask for 1.5V Figure 2-19 Accelerated Graphics Port (AGP) Slot Location ASUS P4B-M motherboard user guide 2-15 The following figure shows a LAN card installed on your motherboard. P4B-M ® P4B-M Accelerated Graphics Port (AGP) Keyed for one with PCI specifications. 2.6.3 PCI slots There are three 32-bit PCI...
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... frequency only to send the CPU. Frequency Selection 5. This allows the selection of the CPU's external frequency (or Bus Clock). ASUS P4B-M motherboard user guide 2-17 Frequency Selection 3. Frequencies other than the recommended CPU bus frequencies are not guaranteed to be stable. 2.7... Switches and jumpers 2.7.1 Switch settings The motherboard frequency is adjusted through the DIP switches. DIP_SW ON OFF ON 12345 P4B-M ® P4B-M DIP Switches Figure 2-21 DIP Switches 1. Frequency Selection 4. The illustration below shows all the switches in the default position....
... frequency only to send the CPU. Frequency Selection 5. This allows the selection of the CPU's external frequency (or Bus Clock). ASUS P4B-M motherboard user guide 2-17 Frequency Selection 3. Frequencies other than the recommended CPU bus frequencies are not guaranteed to be stable. 2.7... Switches and jumpers 2.7.1 Switch settings The motherboard frequency is adjusted through the DIP switches. DIP_SW ON OFF ON 12345 P4B-M ® P4B-M DIP Switches Figure 2-21 DIP Switches 1. Frequency Selection 4. The illustration below shows all the switches in the default position....
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... keyboard wake-up the computer when you to wake up feature. Both jumpers are set to activate USB port 3. CNRUSB0 CNRUSB1 P4B-M ® P4B-M USB/CNR Selection 12 Use External USB Ports (Default) Figure 2-24 USB Port Selection 23 Use CNR USB 3. Setting the... jumpers to pins 1-2 by default. P4B-M KBPWR 2 1 +5V (Default) 3 2 +5VSB ® P4B-M Keyboard Power Setting Figure 2-25 Keyboard Power Settings ASUS P4B-M motherboard user guide 2-19 Keyboard power (3-pin KBPWR) This jumper allows you press a key on ...
... keyboard wake-up the computer when you to wake up feature. Both jumpers are set to activate USB port 3. CNRUSB0 CNRUSB1 P4B-M ® P4B-M USB/CNR Selection 12 Use External USB Ports (Default) Figure 2-24 USB Port Selection 23 Use CNR USB 3. Setting the... jumpers to pins 1-2 by default. P4B-M KBPWR 2 1 +5V (Default) 3 2 +5VSB ® P4B-M Keyboard Power Setting Figure 2-25 Keyboard Power Settings ASUS P4B-M motherboard user guide 2-19 Keyboard power (3-pin KBPWR) This jumper allows you press a key on ...
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...RTC RAM: 1. Short the two pads for a few seconds. 4. Hold down the key during the boot process and enter BIOS setup to clear CMOS ASUS P4B-M motherboard user guide 2-21 Re-install the battery. 5. You can clear the CMOS memory of date, time, and system setup parameters by the onboard... button cell battery. Turn OFF the computer and unplug the power cord. 2. Plug the power cord and turn ON the computer. 6. 6. P4B-M ® P4B-M Clear RTC RAM Figure 2-28 Clear RTC RAM Intel I/O Controller Hub (ICH2) CLRCMOS Short the pads to re-enter data. Remove the battery. 3....
...RTC RAM: 1. Short the two pads for a few seconds. 4. Hold down the key during the boot process and enter BIOS setup to clear CMOS ASUS P4B-M motherboard user guide 2-21 Re-install the battery. 5. You can clear the CMOS memory of date, time, and system setup parameters by the onboard... button cell battery. Turn OFF the computer and unplug the power cord. 2. Plug the power cord and turn ON the computer. 6. 6. P4B-M ® P4B-M Clear RTC RAM Figure 2-28 Clear RTC RAM Intel I/O Controller Hub (ICH2) CLRCMOS Short the pads to re-enter data. Remove the battery. 3....
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...the second drive as a slave device by setting its jumper accordingly. The hole near the blue connector on the UltraDMA cable connector. ASUS P4B-M motherboard user guide 2-23 It is intentional. BIOS supports specific device bootup. The UltraDMA/66 cable included in the motherboard package ...and another UltraDMA/100/66 cable. If you connect non-UltraDMA/100/66 devices to PIN 1. Secondary IDE Connector Primary IDE Connector P4B-M ® P4B-M IDE Connectors Figure 2-30 IDE Connectors NOTE: Orient the red markings (usually zigzag) on the IDE ribbon cable to the secondary...
...the second drive as a slave device by setting its jumper accordingly. The hole near the blue connector on the UltraDMA cable connector. ASUS P4B-M motherboard user guide 2-23 It is intentional. BIOS supports specific device bootup. The UltraDMA/66 cable included in the motherboard package ...and another UltraDMA/100/66 cable. If you connect non-UltraDMA/100/66 devices to PIN 1. Secondary IDE Connector Primary IDE Connector P4B-M ® P4B-M IDE Connectors Figure 2-30 IDE Connectors NOTE: Orient the red markings (usually zigzag) on the IDE ribbon cable to the secondary...
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...If the USB port connectors on system chassis that support this feature. USB23 1 5 6 10 P4B-M 1: USB Power 6: USB Power 2: USBP2- 7: USBP3- 3: USBP2+ 8: USBP3+ 4: GND 9: GND ® 5: NC P4B-M USB Header Figure 2-33 USB Header 6. Infrared module connector (two 5-1 pin IR_CON) This ... mounts to the pin definitions.. P4B-M IRTX GND IRRX KBPWR SIR KBPWR CIRRX GND CIRTX 1 CIR ® P4B-M Infrared Module Connector Figure 2-34 Infrared Module Connector Standard Infrared (SIR) Front View Back View IRTX +5V GND (NC) IRRX ASUS P4B-M motherboard user guide 2-25 5....
...If the USB port connectors on system chassis that support this feature. USB23 1 5 6 10 P4B-M 1: USB Power 6: USB Power 2: USBP2- 7: USBP3- 3: USBP2+ 8: USBP3+ 4: GND 9: GND ® 5: NC P4B-M USB Header Figure 2-33 USB Header 6. Infrared module connector (two 5-1 pin IR_CON) This ... mounts to the pin definitions.. P4B-M IRTX GND IRRX KBPWR SIR KBPWR CIRRX GND CIRTX 1 CIR ® P4B-M Infrared Module Connector Figure 2-34 Infrared Module Connector Standard Infrared (SIR) Front View Back View IRTX +5V GND (NC) IRRX ASUS P4B-M motherboard user guide 2-25 5....
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AUX (White) CD (Black) Left Audio Channel Ground Ground Right Audio Channel P4B-M MODEM Modem-Out Ground ® Ground Modem-In P4B-M Internal Audio Connectors Figure 2-36 Internal Audio Connectors 9. The MODEM connector allows the onboard audio to an optional ... connector connects to interface with a voice modem card with a similar connector. P4B-M HPHONE 1 Left Headphone GND Right Headphone ® P4B-M True-Level Line Out Connector Figure 2-37 Headphone True-level Line Out Connector ASUS P4B-M motherboard user guide 2-27 If your chassis has this audio module, you ...
AUX (White) CD (Black) Left Audio Channel Ground Ground Right Audio Channel P4B-M MODEM Modem-Out Ground ® Ground Modem-In P4B-M Internal Audio Connectors Figure 2-36 Internal Audio Connectors 9. The MODEM connector allows the onboard audio to an optional ... connector connects to interface with a voice modem card with a similar connector. P4B-M HPHONE 1 Left Headphone GND Right Headphone ® P4B-M True-Level Line Out Connector Figure 2-37 Headphone True-level Line Out Connector ASUS P4B-M motherboard user guide 2-27 If your chassis has this audio module, you ...