R P2L-N/P2E-N
Pentium® II NLX Motherboards
USER’S MANUAL
USER’S NOTICE
No part of this manual, including the products and software described in it, may be repro-
duced, 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”).
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OR PRODUCT.
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Products and corporate names appearing in this manual may or may not be registered trade-
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explanation and to the owners’ benefit, without intent to infringe.
• Intel, LANDesk, and Pentium are registered trademarks of Intel Corporation.
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The product name and revision number are both printed on the product itself. Manual revi-
sions are released for each product design represented by the digit before and after the period
of the manual revision number. Manual updates are represented by the third digit in the manual
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For previous or updated manuals, BIOS, drivers, or product release information, contact ASUS
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SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FUR-
NISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT
ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COM-
MITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR
ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUD-
ING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Copyright © 1998 ASUSTeK COMPUTER INC. All Rights Reserved.
Product Name:
Manual Revision:
Release Date:
ASUS P2L-N/P2E-N
1.02
May 1998
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ASUS P2L-N/P2E-N User’s Manual
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:
6737 Mowry Ave, Mowry Business Center, Building 2,
Newark, CA 94560, USA
+1-510-608-4555
info-usa@asus.com.tw
Fax:
Email:
Technical Support
Fax:
BBS:
Email:
WWW:
FTP:
+1-510-608-4555
+1-510-739-3774
tsd-usa@asus.com.tw
www.asus.com
ftp.asus.com.tw/pub/ASUS
ASUS COMPUTER GmbH
Marketing
Address:
Telephone:
Fax:
Email:
Harkort Str. 25, 40880 Ratingen, BRD, Germany
49-2102-445011
49-2102-442066
info-ger@asus.com.tw
Technical Support
Hotline:
BBS:
Email:
WWW:
FTP:
49-2102-499712
49-2102-448690
tsd-ger@asus.com.tw
www.asuscom.de
ftp.asuscom.de/pub/ASUSCOM
ASUS P2L-N/P2E-N User’s Manual
3
CONTENTS
I. INTRODUCTION ........................................................................... 7
How this manual is organized .......................................................... 7
Item Checklist .................................................................................. 7
II. FEATURES .................................................................................... 8
Features of the ASUS P2L-N/P2E-N Motherboard ......................... 8
Parts of the ASUS P2L-N/P2E-N Motherboard ....................... 11
Riser Card Back ....................................................................... 11
Riser Card Front ....................................................................... 11
III. INSTALLATION ........................................................................ 12
ASUS P2L-N/P2E-N Motherboard Layout ................................... 12
Installation Steps ............................................................................ 14
1. Jumpers ...................................................................................... 14
2. System Memory (DIMM) ......................................................... 15
DIMM Memory Installation ............................................... 16
3. Central Processing Unit (CPU) ................................................. 17
Pentium II Processor........................................................... 17
AAVID Heatsink ................................................................ 21
Elan Vital Heatsink ............................................................. 21
4. Expansion Cards ........................................................................ 22
Expansion Card Installation Procedure .............................. 22
Assigning IRQs for Expansion Cards................................. 22
Assigning DMA Channels for ISA Cards ........................... 23
ISA Cards and Hardware Monitor ...................................... 23
5. External Connectors .................................................................. 24
Front Panel Descriptions .......................................................... 29
Power Connection Procedures ................................................. 33
IV. BIOS SOFTWARE ...................................................................... 34
Support Software ........................................................................... 34
Flash Memory Writer Utility .................................................... 34
Main Menu ......................................................................... 34
Managing and Updating Your Motherboard’s BIOS................ 36
6. BIOS Setup ............................................................................... 37
Load Defaults ..................................................................... 38
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....................................... 44
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ASUS P2L-N/P2E-N User’s Manual
CONTENTS
Power Management Setup........................................................ 47
Details of Power Management Setup ................................. 47
PNP and PCI Setup .................................................................. 50
Details of PNP and PCI Setup ............................................ 50
Load BIOS Defaults ................................................................. 52
Load Setup Defaults ................................................................. 52
Supervisor Password and User Password ................................ 53
IDE HDD Auto Detection ........................................................ 54
Save & Exit Setup .................................................................... 55
Exit Without Saving ................................................................. 55
V. Support CD .................................................................................... 56
Support CD Main Menu ........................................................... 56
A. PC Probe Utility ........................................................................... 57
B. Video Driver (Windows 95) ......................................................... 63
Other Video Drivers .................................................................... 83
C. Video Player ................................................................................. 97
D. Audio Driver ............................................................................... 103
E. Audio Software ........................................................................... 109
F. ASUS LAN Card (Optional) ...................................................... 119
ASUS P2L-N/P2E-N User’s Manual
5
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. These limits are designed to
provide reasonable protection against harmful interference in a residential installa-
tion. This equipment generates, uses and can radiate radio frequency energy and, if
not installed and used in accordance with manufacturer’s instructions, may cause
harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the inter-
ference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
•
• Connect the equipment to an outlet on a circuit different from that to which
Increase the separation between the equipment and receiver.
the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
WARNING! The use of shielded cables for connection of the monitor to the
graphics card is required to assure compliance with FCC regulations. Changes
or modifications to this unit not expressly approved by the party responsible for
compliance could void the user’s authority to operate this equipment.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions
from digital apparatus set out in the Radio Interference Regulations of the Cana-
dian Department of Communications.
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ASUS P2L-N/P2E-N User’s Manual
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I. INTRODUCTION
How this manual is organized
This manual is divided into the following sections:
Introduction:
Features:
Installation:
I.
II.
III.
IV. BIOS Software:
V.
Support CD:
Manual information and checklist
Information and specifications concerning this product
Instructions on setting up the motherboard
Instructions on setting up the BIOS software
Information on the included support software
Item Checklist
Please check that your package is complete. If you discover damaged or missing
items, please contact your retailer.
(1) ASUS motherboard
(1) Retention mechanism & heatsink support
(2) Attach mount bridges (preinstalled)
(1) IDE ribbon cable for one hard disk drive
(1) Floppy ribbon cable for one 3.5inch floppy disk drive
(1) FPC slim CD-ROM cable
(1) Support drivers and utilities
(1) Motherboard User’s Manual
(1) System housing User’s Manual
(1) NLX Form-factor system housing, riser card, and power supply
DIMM memory module
3.5inch Floppy Drive
Slim CD-ROM
ASUS PCI-L101 Wake-on-LAN 10/100 Ethernet Card (optional)
ASUS P2L-N/P2E-N User’s Manual
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II. FEATURES
Features of the ASUS P2L-N/P2E-N Motherboard
The ASUS P2L-N/P2E-N motherboard is carefully designed for the demanding PC
user who wants many features in a small package.
ASUS P2L-N/P2E-N Specifications:
• NLX: Features ASUS’ custom designed NLX form factor.
• Multi-Speed: Supports the Intel Pentium® II (233MHz–333MHz) and Celeron™
(266MHz and faster) processors.
Intel AGPset: Features Intel’s 440LX or 440EX AGPset with I/O subsystems.
•
• Onboard AGP VGA: Features ATI 3D Rage Pro AGP 2X VGA chipset onboard
with several memory options from 2MB to 8MB.
• Onboard Audio: Features ESS 16-bit audio onboard.
• Versatile Memory: Supports two DIMM sockets to support 8MB-128MB 168-
pin 3.3Volt SDRAM/EDO memory modules up to 256MB.
• Riser Card: Provides NLX power, primary IDE, floppy drive, LAN wake up
connector, 2 PCI slots, 1 ISA slot, 2 USB ports, and IrDA.
• TV Out: Supports optional onboard TV out funtion using ImpacTV2 chipset.
• Ultra DMA/33 BM IDE: Comes with an onboard PCI Bus Master IDE control-
ler with two connectors that supports four IDE devices in two channels, sup-
ports Ultra DMA/33, PIO Modes 3 and 4 and Bus Master IDE DMA Mode 2,
and supports Enhanced IDE devices, such as Tape Backup and CD-ROM drives.
Supports two drives of either 5.25-inch (360KB or 1.2MB) or 3.5-inch (720KB,
1.44MB, or 2.88MB) disk drives. Supports Japanese “Floppy 3 mode” (3.5-
inch disk drive: 1.2MB) and LS-120 floppy disk drives (3.5-inch disk drive: 120
MB, 1.44MB, 720K). BIOS supports IDE CD-ROM or SCSI device boot-up.
• Onboard IrDA: Features an infrared port on the riser card for wireless interface.
• Multi-Cache: Supports a Pentium® II processor with either 512KB, 256KB, or
0KB Pipelined Burst Level 2 cache in the Single Edge Contact (SEC) cartridge.
Slim CD-ROM: Supports a notebook-sized slim CD-ROM drive.
Super Multi-I/O: Provides two high-speed UART compatible serial ports and
one parallel port with EPP and ECP capabilities. UART2 can also be directed
from COM2 to the Infrared Module for wireless connections.
•
•
The P2L-N Motherboard adds:
• Data Integrity: Features Error Checking and Correction (ECC) through the
440LX chipset and ECC supported DIMM.
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ASUS P2L-N/P2E-N User’s Manual