R P2L97 Pentium II Motherboard ® USER’S MANUAL
USER'S NOTICE No part of this manual, including the products and softwares described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
ASUS CONTACT INFORMATION ASUSTeK COMPUTER INC. Marketing Info Address: Telephone: Fax: Email: 150 Li-Te Road, Peitou, Taipei, Taiwan 112, ROC +886-2-894-3447 +886-2-894-3449 info@asus.com.tw Technical Support Fax: BBS: Email: WWW: Gopher: FTP: +886-2-895-9254 +886-2-896-4667 tsd@asus.com.tw www.asus.com.tw gopher.asus.com.tw ftp.asus.com.
CONTENTS I. INTRODUCTION 7 How this Manual is Organized ........................................................... 7 Item Checklist ..................................................................................... 7 II. FEATURES 8 Features of the ASUS P2L97 Motherboard ........................................ 8 The ASUS P2L97 Motherboard .................................................... 9 III. INSTALLATION 10 Layout of the ASUS P2L97 Motherboard ........................................
CONTENTS Standard CMOS Setup ................................................................ 38 Details of Standard CMOS Setup: ......................................... 38 BIOS Features Setup ................................................................... 41 Details of BIOS Features Setup ............................................. 41 Chipset Features Setup ................................................................ 44 Details of Chipset Features Setup ..........................................
FCC & DOC COMPLIANCE Federal Communications Commission Statement This device complies with FCC Rules Part 15. Operation is subject to the following two conditions: • • This device may not cause harmful interference, and This device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
I. INTRODUCTION I. INTRODUCTION (Manual / Checklist) How this Manual is Organized This manual is divided into the following sections: I. II. III. IV. V. VI. Introduction: Manual information and checklist Features: Information and specifications concerning this product Installation: Instructions on setting up the motherboard.
II. FEATURES Features of the ASUS P2L97 Motherboard II. FEATURES (Specifications) The ASUS P2L97 is carefully designed for the demanding PC user who wants many features processed by the fastest CPU. This motherboard: • Versatile Processor Support: Intel Pentium® II (233MHz–333MHz) processor. • Intel Chipset: Features Intel’s 440LX AGPset with I/O subsystems.
II. FEATURES The ASUS P2L97 Motherboard Intel 440LX AGPset 3 DIMM Sockets II.
III. INSTALLATION Layout of the ASUS P2L97 Motherboard DIMM Socket 1 (64 bit, 168 pin module) CR2032 3V Lithium Cell (BIOS Power) Primary IDE Secondary IDE CLRTC Floppy Drives III.
III. INSTALLATION Jumpers 1) CLRTC 2) FS0, FS1, FS2 3) BF0, BF1, BF2, BF3 p. 13 Real Time Clock (RTC) RAM (Short/Clear CMOS) p. 14 CPU External Clock (BUS) Frequency Selection p. 14 CPU”BUS Frequency Ratio Expansion Slots/Sockets 1) 2) 3) 4) 5) 6) System Memory DIMM Sockets SEC CPU Slot SLOT1, SLOT2 PCI1, 2, 3, 4, 5 AGP p. 15 System Memory Support p. 16 DIMM Memory Module Support p. 19 Single Edge Contact CPU Support p. 24 16-bit ISA Bus Expansion Slots* p. 24 32-bit PCI Bus Expansion Slots† p.
III. INSTALLATION Installation Steps Before using your computer, you must complete the following steps: 1. 2. 3. 4. 5. 6. Set Jumpers Install DRAM Modules Install the Central Processing Unit (CPU) Install Expansion Cards Connect Ribbon Cables, Cabinet Wires, and Power Supply Setup the BIOS Software 1. Jumpers III. INSTALLATION (Jumpers) Several hardware settings are made through the use of jumper caps to connect jumper pins (JP) on the motherboard.
III. INSTALLATION Jumper Settings 1. Real Time Clock (RTC) RAM (CLRTC) The CMOS RAM is powered by the onboard button cell battery. To clear the RTC data: (1) Turn off your computer and unplug your AC power, (2) Short the two points (Labeled: CLRTC), (3) Turn on your computer, (4) Hold down during bootup and enter BIOS setup to re-enter user preferences. R Short small solder points to clear CLRTC III.
III. INSTALLATION 2. CPU Bus Frequency (FS0, FS1, FS2) This option tells the clock generator what frequency to send to the CPU. This allows the selection of the CPU’s External frequency (or BUS Clock). The BUS Clock multiplied by the BUS Ratio equals the CPU’s Internal frequency (the advertised CPU speed). 1 2 3 60MHz 1 2 3 66MHz FS2 FS1 FS0 FS2 FS1 FS0 FS2 FS1 FS0 FS2 FS1 FS0 3.
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III. INSTALLATION 2. System Memory (DIMM) Only Dual Inline Memory Modules (DIMM’s) can be used with this motherboard. Two sockets are available for 3.3Volt (power level) Unbuffered Synchronous DRAMs (SDRAM) or EDO DRAM of either 8, 16, 32, 64, or 128MB to form a memory size between 8MB to 384MB. One side (with memory chips) of the DIMM module takes up one Row on the motherboard.
III. INSTALLATION DIMM Memory Installation Procedures: Insert the module(s) as shown. Because the number of pins are different on either side of the breaks, the module will only fit in the orientation as shown. DRAM SIMM modules have the same pin contact on both sides. SDRAM DIMM modules have different pint contact on each side and therefore have a higher pin density. R 20 Pins 60 Pins 88 Pins III.
III. INSTALLATION 3. Central Processing Unit (CPU) This motherboard provides a Single Edge Contact (SEC) slot for a Pentium II processor packaged in an SEC cartridge. Pentium II Processor WARNING! Be sure that sufficient air circulation is available across the processor’s passive heatsink. Without sufficient circulation, the processor could overheat and damage both the processor and the motherboard. You may install an auxiliary fan, if necessary. III.
III. INSTALLATION The Motherboard As Shipped Four screws should be showing next to each corner of the SEC CPU Slot using two attach mount bridges from the underside of the motherboard. SEC CPU slot NOTE: Encircled items are screws from the mount bridges (1 & 2) III. INSTALLATION (CPU) Installing the Pentium II Processor: 1. Mount the Pentium II Retention Mechanism: The retention mechanism is designed to fit into the SEC slot only one way.
III. INSTALLATION 2. Mount the Heatsink: Place the SEC cartridge face down on a flat surface and lay the heat sink flush on the back (metal side) of the SEC cartridge. Check the orientation of the heatsink against the pictures. The thicker fin must be orientated toward the bottom. The top clamp is wider than the bottom clamp so only this orientation will fit. With a screw driver, push the clamps one at a time into the SEC cartridge. Be sure that the heatsink is firmly pressed against the SEC cartridge.
III. INSTALLATION 4. Secure the SEC Cartridge: Secure the SEC cartridge in place by pushing the SEC cartridge locks outward so that the lock shows through the retention mechanism’s lock holes. (3) (3) (8) III. INSTALLATION (CPU) 5. Secure the Heatsink: Install the heatsink support base into the motherboard. This is not, however, necessary if you use a heatsink with fan (see next page). The support base is necessary to secure the heatsink (without fan).
III. INSTALLATION The heatsinks shown in this manual are for reference purposes only. The recommended heatsinks for the Pentium II processor are those with three-pin fans that can be connected to the CPU fan connector on motherboard. These heatsinks have the added benefits of proper heat dissipation and with the LM78 hardware monitor, the ability to monitor the fan’s RPM and use the alert function through the included LANDesk Client Manager (LDCM) software. III.
III. INSTALLATION 4. Expansion Cards WARNING! Unplug your power supply when adding or removing expansion cards or other system components. Failure to do so may cause severe damage to both your motherboard and expansion cards. First read your expansion card documentation for hardware and software settings that may be required to set up your specific card. Expansion Card Installation Procedure III. INSTALLATION (Expansion Cards) 1. 2. 3. 4. 5. 6. 7. 8. 9. Read the documentation for your expansion card.
III. INSTALLATION To simplify this process, this motherboard complies with the Plug and Play (PnP) specification, which was developed to allow automatic system configuration whenever a PnP-compliant card is added to the system. For PnP cards, IRQs are assigned automatically from those available. If the system has both legacy and PnP ISA cards installed, IRQs are assigned to PnP cards from those not used by legacy cards.
III. INSTALLATION 5. External Connectors WARNING! Some pins are used for connectors or power sources. These are clearly separated from jumpers in “Map of the Motherboard.” Placing jumper caps over these will cause damage to your motherboard. IMPORTANT: Ribbon cables should always be connected with the red stripe on the Pin 1 side of the connector. The four corners of the connectors are labeled on the motherboard. Pin 1 is the side closest to the power connector on hard drives and floppy drives.
III. INSTALLATION 3. Parallel Printer Connector (25-pin Female) You can enable the parallel port and choose the IRQ through “Onboard Parallel Port” in Chipset Features Setup of the BIOS SOFTWARE. NOTE: Serial printers must be connected to the serial port. Parallel (Printer) Port (25-pin Female) III. INSTALLATION (DMA (Connectors) Channels) 4. Serial Port COM1 and COM2 Connectors (Two 9-pin Male) The two serial ports can be used for pointing devices or other serial devices.
III. INSTALLATION 6. Universal Serial BUS Ports 1 & 2 (Two 4-pin Female) Two USB ports are available for connecting USB devices. USB 1 Univeral Serial Bus (USB) 2 III. INSTALLATION (Connectors) 7. Primary / Secondary IDE connectors (Two 40-1pin IDE) These connectors support the provided IDE hard disk ribbon cable. After connecting the single end to the board, connect the two plugs at the other end to your hard disk(s).
III. INSTALLATION 8. IDE activity LED (2-pin IDE_LED) This connector supplies power to the cabinet’s IDE activity LED. Read and write activity by devices connected to the Primary or Secondary IDE connectors will cause the LED to light up. IDE_LED R TIP: If the case-mounted LED does not light, try reversing the 2-pin plug. IDE Activity LED III. INSTALLATION (Connectors) 9. Chassis , CPU , & Power Supply Fan Connectors (3-pin FANPWR) These connectors support cooling fans of 500mAMP (6WATT) or less.
III. INSTALLATION 10. IrDA / Fast IR-Compliant infrared module connector (5-pin IR) This connector supports the optional wireless transmitting and receiving infrared module. This module mounts to a small opening on system cases that support this feature. You must also configure the setting through “UART2 Use Infrared” in Chipset Features Setup to select whether UART2 is directed for use with COM2 or IrDA.
III. INSTALLATION 12. Wake on LAN (3-pin WOL) This connector connects to LAN cards with a Wake On LAN output. When the system is in soft-off mode, LAN activity will power on the system. +5 Volt Standby (No Connection) Ground R IMPORTANT: Requires an ATX power supply with at least 720ma +5 volt standby power III.
III. INSTALLATION 13. Message LED Lead (MSG LED) This indicates whether a message has been received from a fax/modem. The LED will remain lit when there is no signal and blink when there is data transfer or waiting in the inbox. This function requires OS and driver support. III. INSTALLATION (Connectors) 14.
III. INSTALLATION Power Connection Procedures 1. After all connections are made, close the system case cover. 2. Be sure that all switches are off (in some systems, marked with ). 3. Connect the power supply cord into the power supply located on the back of your system case according to your system user’s manual. 4. Connect the power cord into a power outlet that is equipped with a surge protector. III. INSTALLATION (Power Connections) 5. You may then turn on your devices in the following order: a.
IV. BIOS SOFTWARE Support Software PFLASH.EXE - This is the Flash Memory Writer utility that updates the BIOS by uploading a new BIOS file to the programmable flash ROM chip on the motherboard. To determine the BIOS version, check the last four numbers of the code displayed on the upper left-hand corner of your screen during bootup. Larger numbers represent a newer BIOS file. This file works in DOS or Windows mode.
IV. BIOS SOFTWARE IV. BIOS (Flash Memory Writer) 3. Advanced Features This option displays the Advanced Features screen for clearing the PnP configuration record and updating the motherboard BIOS. Advanced Features Menu 1. Clear PNP ESCD Parameter Block This option erases the Plug-and-Play (PnP) configuration record. 2.
IV. BIOS SOFTWARE Managing and Updating Your Motherboard’s BIOS Upon First Use of the Computer System 1. Create a bootable system floppy diskette by typing [FORMAT A:/S] from the DOS prompt without creating “AUTOEXEC.BAT” and “CONFIG.SYS” files. 2. Copy PFLASH.EXE to your new diskette. 3. Run PFLASH.EXE from your new diskette and select option 1 “Save Current BIOS to File.” Enter the “Current BIOS Revision:” for the file name.
IV. BIOS SOFTWARE 6. BIOS Setup The motherboard supports two programmable Flash ROM chips: 5 Volt and 12 Volt. Either of these memory chips can be updated when BIOS upgrades are released. Use the Flash Memory Writer utility to download the new BIOS file into the ROM chip as described in detail in this section. All computer motherboards provide a Setup utility program for specifying the system configuration and settings.
IV. BIOS SOFTWARE Load Defaults The “Load BIOS Defaults” option loads the minimum settings for troubleshooting. “Load Setup Defaults”, on the other hand, is for loading optimized defaults for regular use. Choosing defaults at this level, will modify all applicable settings. A section at the bottom of the above screen displays the control keys for this screen. Take note of these keys and their respective uses.
IV. BIOS SOFTWARE Time To set the time, highlight the “Time” field and then press either / or <+>/<–> to set the current time. Follow the hour, minute and second format. Valid values for hour, minute and second are: (Hour: (00 to 23), Minute: (00 to 59), Second: (00 to 59). Press twice if you do not want to modify the current time. NOTE: You can bypass the date and time prompts by creating an AUTOEXEC.BAT file.
IV. BIOS SOFTWARE Auto detection of hard disks on bootup For each field: Primary Master, Primary Slave, Secondary Master, and Secondary Slave, you can select Auto under the TYPE and MODE fields. This will enable auto detection of your IDE hard disk during bootup. This will allow you to change your hard disks (with the power off) and then power on without having to reconfigure your hard disk type.
IV. BIOS SOFTWARE BIOS Features Setup This “BIOS Features Setup” option consists of configuration entries that allow you to improve your system performance, or let you set up some system features according to your preference. Some entries are required by the motherboard’s design to remain in their default settings. A section at the lower right of the screen displays the control keys you can use. Take note of these keys and their respective uses.
IV. BIOS SOFTWARE CPU Level 1 Cache / CPU Level 2 Cache (Enabled) These fields allow you to choose from the default of Enabled or choose Disabled to turn on or off the CPU’s Level 1 and Level 2 built-in cache. BIOS Update (Enabled) This functions as an update loader integrated into the BIOS to supply the processor with the required data. The BIOS will load the update on all processors during system bootup in the default position of Enabled.
IV. BIOS SOFTWARE Security Option (System) When you specify a Supervisor Password and/or User Password (explained later in this section), the Security Option field determines when the system prompts for the password. The default setting is System, where the system prompts for the User Password every time you start your system. The other option is Setup, where the system goes through its startup routine unless the Setup utility is called, when the system prompts for the Supervisor Password.
IV. BIOS SOFTWARE Chipset Features Setup This “Chipset Features Setup” option controls the configuration of the board’s chipset. Control keys for this screen are the same as for the previous screen. NOTE: SETUP Defaults are noted in parenthesis next to each function heading. Details of Chipset Features Setup EDO Auto Configuration (60ns DRAM) The default setting of 60ns DRAM sets the optimal timings for items 2 through 5 for 60ns DRAM modules.
IV. BIOS SOFTWARE Video Memory Cache Mode (UC) USWC (uncacheable, speculative write combining) is a new cache technology for the video memory of the processor. It can greatly improve the display speed by caching the display data. You must leave this on the default setting of UC (uncacheable) if your display card cannot support this feature or else your system may not boot. PCI 2.1 Support (Enabled) This function allows you to Enable or Disable PCI 2.1 features. Leave on Enabled setting for PCI 2.
IV. BIOS SOFTWARE Onboard FDC Swap A & B (No Swap) This field allows you to reverse the hardware drive letter assignments of your floppy disk drives. Two options are available: No Swap and Swap AB. If you want to switch drive letter assignments through the onboard chipset, set this field to Swap AB. Onboard Serial Port 1 (3F8H/IRQ4) Settings are 3F8H/IRQ4, 2F8H/IRQ3, 3E8H/IRQ4, 2E8H/IRQ10, and Disabled for the onboard serial connector.
IV. BIOS SOFTWARE Power Management Setup This “Power Management Setup” option allows you to reduce power consumption. This feature turns off the video display and shuts down the hard disk after a period of inactivity. NOTE: SETUP Defaults are noted in parenthesis next to each function heading. Details of Power Management Setup IV. BIOS (Power Management) Power Management (User Define) This field acts as the master control for the power management modes.
IV. BIOS SOFTWARE Video Off Method (DPMS OFF) This field defines the video off features. The following options are available: DPMS OFF, DPMS Reduce ON, Blank Screen, V/H SYNC+Blank, DPMS Standby, and DPMS Suspend. The DPMS (Display Power Management System) features allow the BIOS to control the video display card if it supports the DPMS feature. Blank Screen only blanks the screen (use this for monitors without power management or “green” features.
IV. BIOS SOFTWARE PWR Up On Modem Act (Enabled) This allows either settings of Enabled or Disabled for powering up the computer (turns the ATX power supply on) when the modem receives a call while the computer is off. NOTE: The computer cannot receive or transmit data until the computer and applications are fully running, thus connection cannot be made on the first try.
IV. BIOS SOFTWARE PNP and PCI Setup This “PNP and PCI Setup” option configures the PCI bus slots. All PCI bus slots on the system use INTA#, thus all installed PCI cards must be set to this value. NOTE: SETUP Defaults are noted in parenthesis next to each function heading. Details of PNP and PCI Setup IV. BIOS (Plug & Play / PCI) PNP OS Installed (No) This field allows you to use a Plug-and-Play (PnP) operating system to configure the PCI bus slots instead of using the BIOS.
IV. BIOS SOFTWARE DMA x Used By ISA (No/ICU) These fields indicate whether or not the displayed DMA channel for each field is being used by a legacy (non-PnP) ISA card. Available options include: No/ICU and Yes. The first option, the default setting, indicates either that the displayed DMA channel is not used or an ICU is being used to determine if an ISA card is using that channel.
IV. BIOS SOFTWARE Load BIOS Defaults This “Load BIOS Defaults” option allows you to load the troubleshooting default values permanently stored in the BIOS ROM. These default settings are non-optimal and disable all high performance features. To load these default settings, highlight “Load BIOS Defaults” on the main screen and then press . The system displays a confirmation message on the screen. Press and then to confirm. Press and then to abort.
IV. BIOS SOFTWARE Supervisor Password and User Password These two options set the system passwords. “Supervisor Password” sets a password that will be used to protect the system and the Setup utility; “User Password” sets a password that will be used exclusively on the system. By default, the system comes without any passwords. To specify a password, highlight the type you want and then press . A password prompt appears on the screen.
IV. BIOS SOFTWARE IDE HDD Auto Detection This “IDE HDD Auto Detection” option detects the parameters of an IDE hard disk drive, and automatically enters them into the Standard CMOS Setup screen. IV. BIOS (Hard Disk Detect) Up to four IDE drives can be detected, with parameters for each listed inside the box. To accept the optimal entries, press or else select from the numbers displayed under the OPTIONS field (2, 1, 3 in this case); to skip to the next drive, press .
IV. BIOS SOFTWARE IMPORTANT: If your hard disk was already formatted on an older previous system, incorrect parameters may be detected. You will need to enter the correct parameters manually or use low-level format if you do not need the data stored on the hard disk. If the parameters listed differ from the ones used when the disk was formatted, the disk will not be readable. If the auto-detected parameters do not match the ones that should be used for your disk, do not accept them.
V. DESKTOP MANAGEMENT Desktop Management Interface (DMI) Introducing the ASUS DMI Configuration Utility This motherboard supports DMI within the BIOS level and provides a DMI Configuration Utility to maintain the Management Information Format Database (MIFD). DMI is able to auto-detect and record information pertinent to a computer’s system such as the CPU type, CPU speed, and internal/external frequencies, and memory size.
V. DESKTOP MANAGEMENT Using the ASUS DMI Configuration Utility Edit DMI (or delete) Use the ←→ (left-right) cursors to move the top menu items and the ↑↓ (up-down) cursor to move between the left hand menu items. The bottom of the screen will show the available keys for each screen. Press enter at the menu item to enter the right hand screen for editing. “Edit component” appears on top. The reversed color field is the current cursor position and the blue text are available for editing.
V. DESKTOP MANAGEMENT Save MIFD You can save the MIFD (normally only saved to flash ROM) to a file by entering the drive and path here. If you want to cancel save, you may press ESC and a message “Bad File Name” appears here to show it was not saved. Load MIFD You can load the disk file to memory by entering a drive and path and file name here. Load BIOS Defaults V. DMI (Using DMI Utility) You can load the BIOS defaults from a MIFD file and can clear all user modified and added data.
VI. ASUS PCI SCSI Cards VI. ASUS SCSI Cards (SCSI BIOS) Symbios SCSI BIOS and Drivers Aside from the system BIOS, the Flash memory chip on the motherboard also contains the Symbios SCSI BIOS. This Symbios SCSI BIOS works in conjunction with the optional ASUS PCI-SC200 controller card to provide Fast SCSI-2 interface when using compatible SCSI devices or the ASUS PCI-SC860 SCSI controller cards to provide Ultra-Fast SCSI-2 interface when using Ultra-Fast SCSI-2 devices.
VI. ASUS PCI SCSI Cards VI. ASUS SCSI Cards (Setup) Setting Up the ASUS PCI-SC200 & PCI-SC860 There are two jumper settings you may need to make on the ASUS PCI-SC200 to set it up. One setting assigns the PCI INT interrupt, the other sets the card’s termination. The ASUS PCI-SC860 has no jumper settings but you should read the “Terminator Requirements.” Setting the INT Assignment for the ASUS PCI-SC200 You must use PCI INT A setting in order to properly assign the ASUS PCI-SC200's interrupt.
VI. ASUS PCI SCSI Cards VI. ASUS SCSI Cards (Jumpers) Terminator Settings for the ASUS PCI-SC860 Many SCSI devices including the ASUS PCI-SC860 use a set of onboard active resistors to terminate the devices at the ends automatically. Automatic termination requires that the SCSI devices be connected in a straight linear connection or “chain.” Connect SCSI devices to one or two of the SCSI connectors in a linear “chain” for auto termination of the ASUS PCI-SC860 to be effective.
VI. ASUS PCI SCSI Cards VI.
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