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Asus P2B-N Internal, External, CPU Bus Frequency, 5)CPU Bus Frequency Selector (FS0, FS1, FS2), 6)CPU Core:Bus Frequency Multiple (BF0, BF1, BF2, BF3)

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SETUP H/W .3

Settings Motherboard

3.HARDWARE SETUP

5)CPU Bus Frequency Selector (FS0, FS1, FS2)

This option tells the clock generator what frequency to send to the CPU, DRAM, and AGPset. This allows the selection of the CPU’s External frequency (or BUS Clock). The Bus Clock multiplied by the Bus Multiple equals the CPU’s Internal frequency (the advertised CPU speed).

FS0 →	3 2		1	3 2		1	3 2		1	3 2	1
FS0 →
FS1 →
FS2 →
CPU → 66.8MHZ				75.0MHZ			83.3MHZ			100.2MHZ
PCI → 33.1MHZ				37.5MHZ			41.7MHZ			33.3MHZ
FS0 →	3	2	1	3	2	1	3	2	1
FS0 →
FS1 →
FS2 →
CPU →	103.0MHZ			112.0MHZ			133.0MHZ
PCI →	33.4MHZ			37.3MHZ			33.3MHZ

P2B-N CPU Bus Frequency Setting

6)CPU Core:Bus Frequency Multiple (BF0, BF1, BF2, BF3)

This option sets the frequency multiple between the Internal frequency of the CPU and the CPU’s External frequency. These must be set in conjunction with the CPU Bus Frequency.

BF0	BF1	BF2	BF3	BF0	BF1	BF2	BF3
3
2
1
2.0x(2/1)				2.5x(5/2)
BF0	BF1	BF2	BF3	BF0	BF1	BF2	BF3
3
2
1
4.5x(9/2)				5.0x(5/1)
BF0	BF1	BF2	BF3	BF0	BF1	BF2	BF3

3 2 1 7.0x(7/1) 7.5x(15/2)

BF0	BF1 BF2 BF3	BF0	BF1 BF2 BF3	BF0 BF1 BF2 BF3
3.0x(3/1)		3.5x(7/2)		4.0x(4/1)
BF0	BF1 BF2 BF3	BF0	BF1 BF2 BF3	BF0 BF1 BF2 BF3
5.5x(11/2)			6.0x(6/1)	6.5x(13/2)
BF0	BF1 BF2 BF3
	8.0x(8/1)

P2B-N CPU Core:Bus Frequency Multiple Selection

20	ASUS P2B-N User’s Manual

Contents

Page Product Name: ASUS P2B-N Manual Revision: 1.04 E407 Release Date: ASUSTeK COMPUTER INC. (Asia-Pacific) Marketing Technical Support ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Europe) 3.5.2 DIMM Memory Installation 3.6.1 Universal Retention Mechanism 3.6.4 ASUS Smart Thermal Solutions 3.6.5 Recommended Heatsinks for Slot 1 Processors 3.7.1 Expansion Card Installation Procedure 4.1.2 Updating BIOS Procedures (only when necessary) Display Settings for Windows 95/98 Desktop Management Interface (DMI) Federal Communications Commission Statement •This device may not cause harmful interference, and •Re-orientor relocate the receiving antenna •Increase the separation between the equipment and receiver •Consult the dealer or an experienced radio/TV technician for help 1.1How This Manual Is Organized 1.2 Item Checklist 1.2.1 Motherboard 1.2.2 Riser Card 2.1The ASUS P2B-NMotherboard 2.1.1 Specifications 2.1.2 Special Features 2.1.3 Performance Features 2.1.4Intelligence 2.2ASUS P2B-NParts 3.1Motherboard Layout Motherboard Settings Sockets Hardware Monitor Back Panel Connectors Midboard Connectors 3.2Riser Cards 3.2.1 NLX-RRiser Card 3.2.2 B9-NRiser Card 3.2.3 Yeong-YangRiser Card Riser Card Expansion Slots Riser Card Connectors Riser Card Contents The optional onboard hardware monitor uses the address Page 3.3Hardware Setup Procedure 3.4Motherboard Settings 1)+3V Voltage Selection (VIO) VIO Setting Normal Volt High Volt 3)Audio Setting (AUDIS_EN) The onboard 32-bitPCI audio may be enabled or disabled using this jumper AUDIS EN 4)Keyboard Wake Up (KB_WAKE) KB WAKE 5)CPU Bus Frequency Selector (FS0, FS1, FS2) 6)CPU Core:Bus Frequency Multiple (BF0, BF1, BF2, BF3) Internal External CPU Bus Frequency Set the jumpers by the Internal speed of your processor as follows: Page 3.5System Memory (DIMM) 3.5.1 General DIMM Notes 3.5.2DIMM Memory Installation 3.6Central Processing Unit (CPU) 3.6.1 Universal Retention Mechanism 3.6.2 Heatsinks 3.6.3 Installing the Processor 3.Insert the SECC2/SECC/SEPP SECC with Pentium II only: 4.Secure the SECC2/SECC/SEPP 3.6.4ASUS Smart Thermal Solutions 3.6.5 Recommended Heatsinks for Slot 1 Processors SECC Heatsink & Fan 3.7Expansion Cards 3.7.1 Expansion Card Installation Procedure 3.7.2 Assigning IRQs for Expansion Cards 3.7.3 Assigning DMA Channels for ISA Cards 3.7.4 ISA Cards and Hardware Monitor 3.8External Connectors 3.8.1 Back Panel Connectors 3)PS/2 Mouse Connector (6-pinPS2KBMS) PS/2 Mouse Control 4.4 BIOS Features Setup 4)PS/2 Keyboard Connector (6-pinPS2KBMS) 5)Fast-EthernetPort Connector (RJ-45) 3.8.2 Midboard Connectors 2)CD-ROMConnector (50-3pin CDROM) 3)Voice Modem In Connector (4-pinMODEM) 3.8.3 Riser Card Connectors 2)LAN Activity Connectors (2-pinLAN_LED & 3-pinWOL_CON) PCI-L101 Fast Ethernet Card IMPORTANT: This feature requires that Wake On LAN is set to Enabled (see Wake On LAN 4)Front Panel Microphone Connector (2-pin MIC-CON) 5)NLX Power Supply Connector (20-pinblock) 6)IDE Connectors (40-1pins) 7)3.5” Floppy Disk Drive Connector (34-1pin FLOPPY) 9)IrDA-CompliantInfrared Module 3.9Power Connection Procedures 4.1 Managing and Updating Your BIOS 4.1.1 Upon First Use of the Computer System 4.1.2Updating BIOS Procedures (only when necessary) 6.When prompted to confirm the BIOS update, press Y to start the update Flashed Successfully 8. Follow the onscreen instructions to continue 4.2BIOS Setup Load Defaults 4.3 Standard CMOS Setup Details of Standard CMOS Setup: Time (Hour: (00 to 23), Minute: (00 to 59), Second: (00 to 59) Hard Disks For IDE hard disk drive setup, you can: •Use theAuto setting for detection during bootup Auto detection of hard disks on bootup Drive A / Drive B (None) Floppy 3 Mode Support (Disabled) Drive A, Drive B, Both, and Disabled Video (EGA/VGA) 4.4BIOS Features Setup Details of BIOS Features Setup Processor Serial Number (Disabled) CPU Level 1 Cache / CPU Level 2 Cache (Enabled) CPU Level 2 Cache ECC Check (Disabled) This function controls the ECC check capability in the CPU level 2 cache BIOS Update (Enabled) HDD S.M.A.R.T. capability (Disabled) PS/2 Mouse Function Control (Auto) OS/2 Onboard Memory > 64M (Disabled) PCI/VGA Palette Snoop (Disabled) Video ROM BIOS Shadow (Enabled) 4.5Chipset Features Setup Details of Chipset Features Setup Graphics Aperture Size (64MB) Video Memory Cache Mode (UC) USWC PCI 2.1 Support (Enabled) Memory Hole At 15M–16M(Disabled) Onboard FDC Swap A & B (No Swap) Onboard Serial Port 1 (3F8H/IRQ4) Settings are and for the onboard serial connector 4.6Power Management Setup Details of Power Management Setup Video Off Method (DPMS OFF) DPMS OFF DPMS Reduce ON Blank Screen V/H SYNC+Blank, DPMS Standby PWR Up On Modem Act (Enabled) AC PWR Loss Restart (Disabled) Disabled Power Up By Keyboard (Disabled) Wake On LAN (Disabled) 4.7PNP and PCI Setup Details of PNP and PCI Setup DMA x Used By ISA (No/ICU) ISA MEM Block BASE (No/ICU) Symbios SCSI BIOS (Auto) USB IRQ (Enabled) ONB VGA BIOS First (No) 4.8Load BIOS Defaults 4.9 Load Setup Defaults 4.10Supervisor and User Password 4.11IDE HDD Auto Detection 4.12 Save & Exit Setup 4.13 Exit Without Saving Page 5.1Support CD Main Menu (Windows 98) Navigation Button Descriptions 5.2.1Installation Submenu 5.2.2DOS Utility Submenu 5.2.3 ASUS Contact Information 5.3LDCM Local Setup Page 5.4LDCM Administrator Setup 5.5ASUS PC Probe 5.6ASUS LiveUpdate 5.6.1 Network Driver Setup 5.6.2VGA Driver Setup 5.6.3Audio Driver Setup 5.7.1 ESS Audio Utilities 5.7.2ESS Software Wave Table 5.8Uninstalling Programs 5.9DOS and Windows 3.1 Setup for Novell Automatic configuration Run Setup to install network drivers 5.When Setup finishes the tests, you’ll see the Install Network Drivers screen Other OSes 5.10 Windows NT Server or Workstation 1.Double-clickthe Network icon in the Control Panel 2.Click the Adapters tab in the window that appears 3.Click Add. A list of network interface or adapter appears 4. Select “Intel EtherExpress PRO Adapter” and click OK Install network drivers - Windows NT Version 3.5x only 5.11Windows 5.12Select Duplex Mode (optional) NetWare server FORCEDUPLEX=2 SPEED=100 (or 10 if 10BASE-T) For more information, see the README file for NetWare servers Windows NT 6.1ASUS PC Probe 6.1.1 Starting ASUS PC Probe 6.1.2Using ASUS PC Probe Settings History Information Hard Drives Memory Device Summary Shows a summary of devices in your PC DMI Explorer Utility 6.1.3ASUS PC Probe Task Bar Icon Page 6.2AudioRack32 6.2.1The Command Center The Command Center Controls The Command Center Display 6.2.2The 3-D/ToneController The 3-D/ToneController Controls 6.2.3 The Miniature Mode 6.2.4The Audio Mixer The Audio Mixer Controls 6.2.5The Digital Audio Player The Digital Audio Player Controls The Digital Audio Player Display 6.2.6The MIDI Player The MIDI Player Controls The MIDI Player Display 6.2.7The Compact Disk Player The Compact Disk Player Controls 6.2.8The Audio Recorder The Audio Recorder Controls The Audio Recorder Display 6.2.9Release Notes Disable Eject Button on the CD Player Using AudioRack CD Player as Default CD Player Configuring Playback Mixer 6.3Display Settings for Windows 95/98 6.3.1 Adjustment Menu 6.3.2 Panning Menu 6.3.3Color 6.3.4 Settings 6.4Desktop Management Interface (DMI) 6.4.1 Introducing the ASUS DMI Configuration Utility 6.4.2 Starting the ASUS DMI Configuration Utility 6.4.3Using the ASUS DMI Configuration Utility Notes Save MIFD Load MIFD Load BIOS Defaults 7.1PCI-L101Fast Ethernet Card 7.1.1 Features 7.1.2 Software Driver Support 7.1.3 Question and Answer 7.2S370 Series CPU Cards 7.2.1Using the ASUS S370 Series CPU Card 7.2.2 ASUS S370 Series CPU Card Jumper Settings 7.3Network Controller 7.3.1 Features 7.3.3LED Connectors 7.3.4 Network Cable Connection 7.3.5 Twisted-PairCable 7.3.6 RJ45 Connector 7.3.7Troubleshooting If the interface can’t connect to the network Testing the network interface or adapter Common problems and solutions •Make sure your PCI BIOS is current The interface stopped working without apparent cause •Try reconnecting the cable to the RJ45 port first •Try another motherboard of the same model •Run the diagnostics Page 7.4 Glossary Byte (Binary Term) COM Port CPU (Central Processing Unit) Device Driver DOS (Disk Operating System) MMX (Klamath) CPU as well as other PCI Bus (Peripheral Component Interconnect Local Bus) Peripherals POST (Power On Self Test) UltraDMA/33 USB (Universal Serial Bus) M8300/8200 Series F7400 Series L7300/7200 Series