R P2L97 Pentium II Motherboard ® USER’S MANUAL
USER'S NOTICE No part of this manual, including the products and software 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 Address: Telephone: Fax: Email: 150 Li-Te Road, Peitou, Taipei, Taiwan 112 +886-2-2894-3447 +886-2-2894-3449 info@asus.com.tw Technical Support Fax: BBS: Email: WWW: FTP: +886-2-2895-9254 +886-2-2896-4667 tsd@asus.com.tw www.asus.com.tw ftp.asus.com.tw/pub/ASUS ASUS COMPUTER INTERNATIONAL Marketing Address: Fax: Email: 6737 Mowry Avenue, Mowry Business Center, Building 2 Newark, CA 94560, USA +1-510-608-4555 info-usa@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. Introduction: Features: Installation: BIOS Software Manual information and checklist Information and specifications concerning this product Instructions on setting up the motherboard and jumper Instructions on setting up the BIOS software Item Checklist Check that your package is complete. If you discover damaged or missing items, contact your retailer.
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. • Versatile Processor Support: Intel Pentium® II (233MHz–333MHz) processor. • Intel Chipset: Features Intel’s 440LX AGPset with I/O subsystems. • Multi-Cache: Supports processors with Pipelined Burst Level 2 cache.
II. FEATURES The ASUS P2L97 Motherboard Intel 440LX AGPset 3 DIMM Sockets II.
III. INSTALLATION Layout of the ASUS P2L97 Motherboard Top: PWR_FAN Mouse PS/2 CPU_FAN Bottom: CR2032 3V Lithium Cell (BIOS Power) III.
III. INSTALLATION Jumpers 1) 2) 3) 4) CLRTC KB_UP FS0, FS1, FS2 BF0, BF1, BF2, BF3 p. 13 Real Time Clock (RTC) RAM (Short/Clear CMOS) p. 13 Keyboard Power Up 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.
III. INSTALLATION Installation Steps Before using your computer, you must complete the following steps: 1. 2. 3. 4. 5. 6. Set Jumpers on the Motherboard Install System Memory 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. INSTALLATION (Jumpers) P2L97 Clear RTC RAM 2.
III. INSTALLATION 3. 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 4.
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III. INSTALLATION 2. System Memory (DIMM) Only Dual Inline Memory Modules (DIMM) can be used with this motherboard. 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) Your motherboard provides a Slot 1 connector for a Pentium® II processor packaged in a Single Edge Contact Cartridge (SECC/SECC2) or a Celeron™ processor packaged in a Single Edge Processor Package (SEPP). Pentium II processor packaged in an SECC with heatsink and fan (top view) Pentium II processor packaged in an SECC2 or Celeron™ processor packaged in an SEPP with heatsink and fan (top view) III.
III. INSTALLATION Installing the Processor 1. Unlock the URM’s Folding Support Arms: The folding support arms of the URM are locked when shipped. Locked Folding Support Arms To unlock the support arms, simply flip them up to an upright position. The URM is now ready for the installation of your processor. Unlocked Folding Support Arms III. INSTALLATION CPU 2. Attach the Heatsink NOTE: Follow carefully the heatsink attachment instructions included with your heatsink or processor.
III. INSTALLATION WARNING! Make sure the heatsink is mounted tightly against the SECC, SECC2 or SEPP; otherwise, the CPU will overheat. You may install an auxiliary fan to provide adequate circulation across the processor’s passive heatsink. 3. Insert the SECC/SECC2/SEPP SECC with Pentium® II only: Push the SECC’s two locks inward until you hear a click (the picture in step 2 shows the locks in the outward position and inward in the picture below).
III. INSTALLATION ASUS Smart Thermal Solutions ASUS provides two smart solutions to Slot 1 CPU thermal problems: the ASUS Smart Fan or ASUS S-P2FAN and the ASUS P2T-Cable. The ASUS Smart Fan or ASUS S-P2FAN is a CPU fan for a Pentium® II processor packaged in a Single Edge Contact Cartridge (SECC). Unlike other CPU thermal solutions, the ASUS S-P2FAN has an integrated thermal sensor located near the center of the CPU heat source.
III. INSTALLATION Recommended Heatsinks for Pentium II Processors 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 the motherboard. These heatsinks have the added benefits of proper heat dissipation and with the hardware monitor, the ability to monitor the fan’s RPM and use the alert function through the included LANDesk Client Manager (LDCM) software.
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. Expansion Card Installation Procedure III. INSTALLATION Expansion Cards 1. Read the documentation for your expansion card and make any necessary hardware or software settings for your expansion card, such as jumpers. 2.
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 Universal 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. TIP: If the case-mounted LED does not light, try reversing the 2-pin plug. R IDE_LED P2L97 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-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 PME 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 mail waiting in the inbox. This function requires ACPI 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 Flash Memory Writer Utility AFLASH.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 of your motherboard, 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 only in DOS mode.
IV. BIOS SOFTWARE 2. Update BIOS Including Boot Block and ESCD This option updates the boot block, the baseboard BIOS, and the ACPI extended system configuration data (ESCD) parameter block from a new BIOS file. See the next page for procedures on downloading an updated BIOS file. IV. BIOS (Flash Memory Writer) To update your current BIOS, type [2] at the Main Menu and then press . The Update BIOS Including Boot Block and ESCD screen appears.
IV. BIOS SOFTWARE Managing and Updating Your Motherboard’s BIOS Upon First Use of the Computer System 1. Create a bootable system floppy disk by typing [FORMAT A:/S] from the DOS prompt without creating “AUTOEXEC.BAT” and “CONFIG.SYS” files. 2. Copy AFLASH.EXE to the just created boot disk. 3. Run AFLASH.EXE from this new disk and select option 1. Save Current BIOS to File. See 1. Save Current BIOS To File on the previous page for more details and the rest of the steps.
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). NOTE: You can bypass the date and time prompts by creating an AUTOEXEC.BAT file. For information on how to create this file, please refer to the MS-DOS manual.
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 The “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 IV. BIOS (BIOS Features) 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. CPU Level 2 Cache ECC Check (Disabled) This function controls the ECC check capability in the CPU level 2 cache. BIOS Update (Enabled) This functions as an update loader integrated into the BIOS to supply the processor with the required data.
IV. BIOS SOFTWARE ASUS P2L97 User’s Manual IV. BIOS (BIOS Features) PCI/VGA Palette Snoop (Disabled) Some display cards that are nonstandard VGA, such as graphic accelerators or MPEG video cards may not show colors properly. Setting this to Enabled should correct this problem. Otherwise, leave this on the default setting of Disabled. Video ROM BIOS Shadow (Enabled) This field allows you to change the video BIOS location from ROM to RAM.
IV. BIOS SOFTWARE Chipset Features Setup The “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 IV. BIOS (Chipset Features) 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 IV. BIOS (Chipset Features) Graphics Aperture Size (64MB) Memory-mapped, graphics data structures can reside in a Graphics Aperture. Leave on default setting. 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.
IV. BIOS SOFTWARE IV. BIOS (Chipset Features) 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 The “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 The “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 The “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 The “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.
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