Motherboard DIY Troubleshooting Guide
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... the topics found in this guide is organized This manual contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the P4B-LS motherboard. Detailed descriptions of the BIOS parameters are also provided. • Chapter 5: Software support This chapter describes the contents of the support CD that comes... the motherboard and the new technology it supports. • Chapter 2: Hardware information This chapter lists the hardware setup procedures that you need when installing the ASUS P4B-LS motherboard. viii
... the topics found in this guide is organized This manual contains the following parts: • Chapter 1: Product introduction This chapter describes the features of the P4B-LS motherboard. Detailed descriptions of the BIOS parameters are also provided. • Chapter 5: Software support This chapter describes the contents of the support CD that comes... the motherboard and the new technology it supports. • Chapter 2: Hardware information This chapter lists the hardware setup procedures that you need when installing the ASUS P4B-LS motherboard. viii
Motherboard DIY Troubleshooting Guide
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... P4B-LS spells out power computing! The P4B-LS incorporates the Intel® Pentium® 4 Processor in ) ASUS LS99 LAN/SCSI card (for ASUS LS99 proprietary expansion slot) ASUS P4B-LS support CD ASUS 2-port USB module 80-conductor ribbon cable for UltraDMA/33/66/100 IDE drives 40-conductor IDE cable Ribbon cable for buying the ASUS® P4B-LS motherboard! ASUS P4B-LS motherboard...
... P4B-LS spells out power computing! The P4B-LS incorporates the Intel® Pentium® 4 Processor in ) ASUS LS99 LAN/SCSI card (for ASUS LS99 proprietary expansion slot) ASUS P4B-LS support CD ASUS 2-port USB module 80-conductor ribbon cable for UltraDMA/33/66/100 IDE drives 40-conductor IDE cable Ribbon cable for buying the ASUS® P4B-LS motherboard! ASUS P4B-LS motherboard...
Motherboard DIY Troubleshooting Guide
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...: • adjustable CPU frequency multiple in Turbo Mode • adjustable Vcore and VIO ASUS iPanel support The motherboard supports the ASUS iPanel to 30 devices, including Ultra160 hard disk drives, external storage subsystems, scanners, and CD-ROM drives. ASUS P4B-LS motherboard user guide 1-3 The Smart Card Reader promotes cutting-edge technology featuring increased security...
...: • adjustable CPU frequency multiple in Turbo Mode • adjustable Vcore and VIO ASUS iPanel support The motherboard supports the ASUS iPanel to 30 devices, including Ultra160 hard disk drives, external storage subsystems, scanners, and CD-ROM drives. ASUS P4B-LS motherboard user guide 1-3 The Smart Card Reader promotes cutting-edge technology featuring increased security...
Motherboard DIY Troubleshooting Guide
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... interface, and Hub Interface. 3 SDRAM DIMM sockets. The power supply must have an ATX +12V power supply. This ASUS patented auxilliary power connector is present on PCB R1.05 or later versions.) ASUS P4B-LS motherboard user guide 1-5 When this connector to provide sufficient power to the CPU. 7 IDE connectors. This connector accommodates the...
... interface, and Hub Interface. 3 SDRAM DIMM sockets. The power supply must have an ATX +12V power supply. This ASUS patented auxilliary power connector is present on PCB R1.05 or later versions.) ASUS P4B-LS motherboard user guide 1-5 When this connector to provide sufficient power to the CPU. 7 IDE connectors. This connector accommodates the...
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... connector is for connecting USB devices such as a mouse and PDA. 29 PS/2 keyboard port. Retention Module Base Figure 1-2 Pre-installed Heatsink Retention Module Base ASUS P4B-LS motherboard user guide 1-7 These two 9-pin COM1/COM2 ports are available for a PS/2 mouse. 1.4.2 Pre-installed accessory This motherboard is for pointing devices or other...
... connector is for connecting USB devices such as a mouse and PDA. 29 PS/2 keyboard port. Retention Module Base Figure 1-2 Pre-installed Heatsink Retention Module Base ASUS P4B-LS motherboard user guide 1-7 These two 9-pin COM1/COM2 ports are available for a PS/2 mouse. 1.4.2 Pre-installed accessory This motherboard is for pointing devices or other...
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... Place six (6) screws into the chassis in the correct orientation. Place this side towards the rear of the chassis. Do not overtighten the screws! The P4B-LS uses the ATX form factor that the motherboard fits into it into the holes indicated by circles to secure the motherboard to do so may.... 2.1 Motherboard installation Before you place it . Failure to the chassis. Make sure to the rear part of the chassis Figure 2-1 Motherboard placement and screw holes ASUS P4B-LS motherboard user guide 2-1
... Place six (6) screws into the chassis in the correct orientation. Place this side towards the rear of the chassis. Do not overtighten the screws! The P4B-LS uses the ATX form factor that the motherboard fits into it into the holes indicated by circles to secure the motherboard to do so may.... 2.1 Motherboard installation Before you place it . Failure to the chassis. Make sure to the rear part of the chassis Figure 2-1 Motherboard placement and screw holes ASUS P4B-LS motherboard user guide 2-1
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... severe damage to touch the ICs on PCB R1.05 and later versions.) WARNING ® P4B-LS ON Incorrect AGP Card OFF Correct AGP Card LED1 P4B-LS Onboard LED Figure 2-3 Onboard LEDs ON Standby Power OFF Powered Off ASUS P4B-LS motherboard user guide 2-3 Failure to do not to the motherboard, peripherals, and/or components. When...
... severe damage to touch the ICs on PCB R1.05 and later versions.) WARNING ® P4B-LS ON Incorrect AGP Card OFF Correct AGP Card LED1 P4B-LS Onboard LED Figure 2-3 Onboard LEDs ON Standby Power OFF Powered Off ASUS P4B-LS motherboard user guide 2-3 Failure to do not to the motherboard, peripherals, and/or components. When...
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Figure 2-5 Intel 478-pin ZIF Socket 2. Locate the 478-pin ZIF socket on the motherboard. 2.4.2 Installing the CPU Follow these steps 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 a 90°-100° angle. Unlock the socket by pressing the lever sideways, then lift it up to install a CPU. 1. ASUS P4B-LS motherboard user guide 2-5
Figure 2-5 Intel 478-pin ZIF Socket 2. Locate the 478-pin ZIF socket on the motherboard. 2.4.2 Installing the CPU Follow these steps 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 a 90°-100° angle. Unlock the socket by pressing the lever sideways, then lift it up to install a CPU. 1. ASUS P4B-LS motherboard user guide 2-5
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... 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-LS motherboard user guide 2-7 Follow these steps to ensure optimum thermal condition and performance. When you use only Intel certified heatsink and fan. The retention module...
... 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-LS motherboard user guide 2-7 Follow these steps to ensure optimum thermal condition and performance. When you use only Intel certified heatsink and fan. The retention module...
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... place, connect the CPU fan cable to the connector on the retention mechanism to secure the heatsink and fan to connect the CPU fan connector! ASUS P4B-LS motherboard user guide 2-9
... place, connect the CPU fan cable to the connector on the retention mechanism to secure the heatsink and fan to connect the CPU fan connector! ASUS P4B-LS motherboard user guide 2-9
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... DIMMs or other system components. Unlock a DIMM socket by pressing the retaining clips outward. 2. Figure 2-14 Installing a DIMM Unlocked Retaining Clip Figure 2-15 Installed DIMM ASUS P4B-LS motherboard user guide Locked Retaining Clip 2-11 2.5.3 Installing a DIMM Make sure to install a DIMM. 1. Failure to do so may cause severe damage to both the...
... DIMMs or other system components. Unlock a DIMM socket by pressing the retaining clips outward. 2. Figure 2-14 Installing a DIMM Unlocked Retaining Clip Figure 2-15 Installed DIMM ASUS P4B-LS motherboard user guide Locked Retaining Clip 2-11 2.5.3 Installing a DIMM Make sure to install a DIMM. 1. Failure to do so may cause severe damage to both the...
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Failure to do so may need to install expansion cards. The motherboard has five standard PCI slots, one ASUS proprietary expansion slot, one Accelerated Graphics Port (AGP) slot, and a Communications and Networking Riser (CNR) slot. Make sure to unplug the ... 4. Remove the system unit cover (if your motherboard is completely seated on the slot. 5. Replace the system cover. Figure 2-17 Installed PCI Card ASUS P4B-LS motherboard user guide 2-13 Align the card connector with it and make the necessary hardware settings for later use . 2.6 Expansion slots In the future, ...
Failure to do so may need to install expansion cards. The motherboard has five standard PCI slots, one ASUS proprietary expansion slot, one Accelerated Graphics Port (AGP) slot, and a Communications and Networking Riser (CNR) slot. Make sure to unplug the ... 4. Remove the system unit cover (if your motherboard is completely seated on the slot. 5. Replace the system cover. Figure 2-17 Installed PCI Card ASUS P4B-LS motherboard user guide 2-13 Align the card connector with it and make the necessary hardware settings for later use . 2.6 Expansion slots In the future, ...
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...motherboard. NEVER install a SiS305based AGP card or any other cards that you ask for 1.5V P4B-LS Accelerated Graphics Port (AGP) Slot Figure 2-19 Accelerated Graphics Port (AGP) Slot Location ASUS P4B-LS motherboard user guide 2-15 When you buy an AGP card, make sure that comply with ...+1.5V specification. Doing so will severely damage the motherboard! ® P4B-LS Keyed for one with PCI specifications. The standard slots ...
...motherboard. NEVER install a SiS305based AGP card or any other cards that you ask for 1.5V P4B-LS Accelerated Graphics Port (AGP) Slot Figure 2-19 Accelerated Graphics Port (AGP) Slot Location ASUS P4B-LS motherboard user guide 2-15 When you buy an AGP card, make sure that comply with ...+1.5V specification. Doing so will severely damage the motherboard! ® P4B-LS Keyed for one with PCI specifications. The standard slots ...
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... use the DIP switches. The JumperFree mode allows you to OFF. JEN OFF SWITCH ON 1 2 3 4 5 6 7 8 9 10 ® P4B-LS 2 1 P4B-LS JumperFree™ Mode Setting Jumper Mode Figure 2-22 JumperFree Mode Setting 3 2 Jumper Free (Default) The JEN jumper is adjusted through the BIOS setup instead... set all the switches in conjunction with the DIP switches. SWITCH OFF ON ON 1 2 3 4 5 6 7 8 9 10 ® P4B-LS P4B-LS DIP Switches Figure 2-21 DIP Switches 1. Frequency Selection 10. The white block represents the switch position. The illustration below shows all the DIP switches ...
... use the DIP switches. The JumperFree mode allows you to OFF. JEN OFF SWITCH ON 1 2 3 4 5 6 7 8 9 10 ® P4B-LS 2 1 P4B-LS JumperFree™ Mode Setting Jumper Mode Figure 2-22 JumperFree Mode Setting 3 2 Jumper Free (Default) The JEN jumper is adjusted through the BIOS setup instead... set all the switches in conjunction with the DIP switches. SWITCH OFF ON ON 1 2 3 4 5 6 7 8 9 10 ® P4B-LS P4B-LS DIP Switches Figure 2-21 DIP Switches 1. Frequency Selection 10. The white block represents the switch position. The illustration below shows all the DIP switches ...
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... External Frequency Selection CPU 120MHz 125MHz 133MHz PCI 30MHz 31MHz 33MHz Figure 2-24 CPU Frequency Settings Set the CPU frequency only to send the CPU. ASUS P4B-LS motherboard user guide 2-19 This allows the selection of the CPU's external frequency (or Bus Clock). 3. CPU frequency selection (SWITCH Switches 5-9) This option tells the...
... External Frequency Selection CPU 120MHz 125MHz 133MHz PCI 30MHz 31MHz 33MHz Figure 2-24 CPU Frequency Settings Set the CPU frequency only to send the CPU. ASUS P4B-LS motherboard user guide 2-19 This allows the selection of the CPU's external frequency (or Bus Clock). 3. CPU frequency selection (SWITCH Switches 5-9) This option tells the...
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... Device Wake Up +5VSB +5V (Default) Figure 2-27 USB Device Wake-up . 2. Otherwise, the system does not power up Settings ASUS P4B-LS motherboard user guide 2-21 USB device wake-up (USBPWR, FUSB) Set these jumpers are set to CPU, DRAM in slow refresh, power supply in sleep ...
... Device Wake Up +5VSB +5V (Default) Figure 2-27 USB Device Wake-up . 2. Otherwise, the system does not power up Settings ASUS P4B-LS motherboard user guide 2-21 USB device wake-up (USBPWR, FUSB) Set these jumpers are set to CPU, DRAM in slow refresh, power supply in sleep ...
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...Remove the battery. 3. Remove the jumper cap. 4. Re-install the battery. 5. Refer to re-enter data. OVER_VOLT 12 23 ® P4B-LS Disable (Default) Enable P4B-LS OVER_VOLT Setting 10. Turn OFF the computer and unplug the power cord. 2. You can clear the CMOS memory of +1.75V to +2.1V for ... RAM in CMOS, that you to short the jumper. To erase the RTC RAM: 1. Plug the power cord and turn ON the computer. 6. ASUS P4B-LS motherboard user guide 2-23 The RAM data in CMOS. Clear RTC RAM (CLRCMOS) This jumper allows you keep the default setting (Disable). 9. VCORE ...
...Remove the battery. 3. Remove the jumper cap. 4. Re-install the battery. 5. Refer to re-enter data. OVER_VOLT 12 23 ® P4B-LS Disable (Default) Enable P4B-LS OVER_VOLT Setting 10. Turn OFF the computer and unplug the power cord. 2. You can clear the CMOS memory of +1.75V to +2.1V for ... RAM in CMOS, that you to short the jumper. To erase the RTC RAM: 1. Plug the power cord and turn ON the computer. 6. ASUS P4B-LS motherboard user guide 2-23 The RAM data in CMOS. Clear RTC RAM (CLRCMOS) This jumper allows you keep the default setting (Disable). 9. VCORE ...
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... included in the motherboard package also supports UltraDMA/100. 2. BIOS supports specific device bootup. ASUS P4B-LS motherboard user guide 2-25 The hole near the blue connector on the UltraDMA cable connector. P4B-LS IDE Connectors PIN 1 Figure 2-32 IDE Connectors For UltraDMA/100/66 IDE devices, use... an 80-conductor IDE cable. Pin 20 on each IDE connector is intentional. Secondary IDE Connector Primary IDE Connector ® P4B-LS NOTE: Orient the red markings (usually zigzag) on the IDE ribbon cable to be both master devices with two ribbon cables - ...
... included in the motherboard package also supports UltraDMA/100. 2. BIOS supports specific device bootup. ASUS P4B-LS motherboard user guide 2-25 The hole near the blue connector on the UltraDMA cable connector. P4B-LS IDE Connectors PIN 1 Figure 2-32 IDE Connectors For UltraDMA/100/66 IDE devices, use... an 80-conductor IDE cable. Pin 20 on each IDE connector is intentional. Secondary IDE Connector Primary IDE Connector ® P4B-LS NOTE: Orient the red markings (usually zigzag) on the IDE ribbon cable to be both master devices with two ribbon cables - ...