® CUSL2-M
Intel® 815E microATX 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 PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners’ benefit, without intent to infringe.
•Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated.
•Intel, LANDesk, and Pentium are registered trademarks of Intel Corporation.
•Trend and ChipAwayVirus are trademarks of Trend Micro, Inc.
•Windows and MS-DOS are registered trademarks of Microsoft Corporation.
•ADI and SoundMAX are trademarks of Analog Devices, Inc..
The product name and revision number are both printed on the product itself. Manual revisions 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 revision number.
For previous or updated manuals, BIOS, drivers, or product release information, contact ASUS at http://www.asus.com.tw or through any of the means indicated on the following page.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAYAPPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Copyright © 2000 ASUSTeK COMPUTER INC. All Rights Reserved.
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Product Name: |
ASUS CUSL2-M |
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Manual Revision: |
1.01 E575 |
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Release Date: |
June 2000 |
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2 |
ASUS CUSL2-M User’s Manual |
ASUS CONTACT INFORMATION
ASUSTeK COMPUTER INC. (Asia-Pacific)
Marketing
Address: |
150 Li-Te Road, Peitou, Taipei, Taiwan 112 |
Telephone: |
+886-2-2894-3447 |
Fax: |
+886-2-2894-3449 |
Email: |
info@asus.com.tw |
Technical Support
MB/Others (Tel): |
+886-2-2890-7121 (English) |
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Notebook (Tel): |
+886-2-2890-7122 |
(English) |
Desktop/Server (Tel):+886-2-2890-7123 |
(English) |
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Fax: |
+886-2-2895-9254 |
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Email: |
tsd@asus.com.tw |
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WWW: |
www.asus.com.tw |
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FTP: |
ftp.asus.com.tw/pub/ASUS |
ASUS COMPUTER INTERNATIONAL (America)
Marketing
Address: |
6737 Mowry Avenue, Mowry Business Center, Building 2 |
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Newark, CA 94560, USA |
Fax: |
+1-510-608-4555 |
Email: |
tmd1@asus.com |
Technical Support
Fax: |
+1-510-608-4555 |
Email: |
tsd@asus.com |
WWW: |
www.asus.com |
FTP: |
ftp.asus.com/Pub/ASUS |
ASUS COMPUTER GmbH (Europe)
Marketing
Address: |
Harkortstr. 25, 40880 Ratingen, BRD, Germany |
Fax: |
+49-2102-442066 |
Email: |
sales@asuscom.de (for marketing requests only) |
Technical Support
Hotline: |
MB/Others: +49-2102-9599-0 Notebook: +49-2102-9599-10 |
Fax: |
+49-2102-9599-11 |
Support (Email): |
www.asuscom.de/de/support (for online support) |
WWW: |
www.asuscom.de |
FTP: |
ftp.asuscom.de/pub/ASUSCOM |
ASUS CUSL2-M User’s Manual |
3 |
CONTENTS
1. INTRODUCTION ............................................................................. |
7 |
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1.1 |
How This Manual Is Organized .................................................. |
7 |
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1.2 |
Item Checklist ............................................................................. |
7 |
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2. FEATURES ........................................................................................ |
8 |
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2.1 |
The ASUS CUSL2-M ................................................................. |
8 |
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2.2 |
CUSL2-M Motherboard Components ...................................... |
12 |
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3. HARDWARE SETUP ...................................................................... |
14 |
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3.1 |
CUSL2-M Motherboard Layout ............................................... |
14 |
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3.2 |
Layout Contents ........................................................................ |
15 |
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3.3 |
Hardware Setup Procedure ....................................................... |
17 |
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3.4 |
Motherboard Settings ................................................................ |
17 |
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3.5 |
System Memory (DIMM) ......................................................... |
24 |
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3.5.1 |
General DIMM Notes .................................................... |
24 |
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3.5.2 |
Memory Installation ...................................................... |
25 |
3.6 |
Central Processing Unit (CPU) ................................................. |
26 |
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3.7 |
Expansion Cards ....................................................................... |
27 |
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3.7.1 Expansion Card Installation Procedure ......................... |
27 |
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3.7.2 Assigning IRQs for Expansion Cards ............................ |
27 |
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3.7.3 Communication and Networking Riser (CNR) Slot ...... |
28 |
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3.7.4 Accelerated Graphics Port (AGP) Pro Slot ................... |
29 |
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3.8 |
External Connectors .................................................................. |
30 |
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3.9 |
Starting Up the First Time ........................................................ |
43 |
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4. BIOS SETUP ..................................................................................... |
45 |
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4.1 |
Managing and Updating Your BIOS ......................................... |
45 |
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4.1.1 Upon First Use of the Computer System ....................... |
45 |
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4.1.2 |
Updating BIOS Procedures ........................................... |
46 |
4.2 |
BIOS Setup Program ................................................................ |
49 |
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4.2.1 |
BIOS Menu Bar ............................................................. |
50 |
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4.2.2 |
Legend Bar .................................................................... |
50 |
4.3 |
Main Menu ................................................................................ |
52 |
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4.3.1 Primary & Secondary Master/Slave .............................. |
53 |
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4.3.2 |
Keyboard Features ......................................................... |
56 |
4.4 |
Advanced Menu ........................................................................ |
58 |
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4.4.1 |
Chip Configuration ........................................................ |
61 |
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4.4.2 |
I/O Device Configuration .............................................. |
64 |
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4.4.3 |
PCI Configuration ......................................................... |
66 |
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4.4.4 Shadow Configuration ..................................................... |
68 |
4 |
ASUS CUSL2-M User’s Manual |
CONTENTS
4.5 |
Power Menu .............................................................................. |
69 |
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4.5.1 |
Power Up Control .......................................................... |
71 |
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4.5.2 |
Hardware Monitor ......................................................... |
73 |
4.6 |
Boot Menu ................................................................................ |
74 |
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4.7 |
Exit Menu ................................................................................. |
76 |
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5. SOFTWARE SETUP ....................................................................... |
79 |
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5.1 |
Install Operating System ........................................................... |
79 |
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5.2 |
Start Windows ........................................................................... |
79 |
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5.3 |
CUSL2-M Motherboard Support CD ....................................... |
82 |
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5.4 |
INF Update Utility for Intel 815 Chipset .................................. |
84 |
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5.5 |
Intel 815 Chipset Graphic Control Driver ................................ |
85 |
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5.6 |
Intel LDCM Administrator Setup ............................................. |
87 |
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5.7 |
Intel LDCM Client Setup .......................................................... |
89 |
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5.8 |
ASUS BIOS Flash Utility for LDCM 6.0 ................................. |
90 |
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5.9 |
ASUS PC Probe Vx.xx ............................................................. |
91 |
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5.10 Install ASUS Update Vx.xx ...................................................... |
92 |
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5.11 |
Microsoft DirectX 6.0 Driver ................................................... |
93 |
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5.12 YAMAHA SoftSynthesizer S-YXG50 ...................................... |
95 |
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5.13 |
PC-Cillin 98 Vx.xx ................................................................... |
95 |
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5.14 Adobe Acrobat Reader Vx.x ..................................................... |
96 |
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5.15 |
Cyberlink Video and Audio Applications ................................. |
97 |
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5.16 |
Uninstalling Programs .............................................................. |
98 |
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6. SOFTWARE REFERENCE .......................................................... |
101 |
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6.1 |
Display Properties ................................................................... |
101 |
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6.2 |
ASUS PC Probe ...................................................................... |
104 |
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6.3 |
ASUS LiveUpdate .................................................................. |
109 |
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6.4 |
YAMAHA XGPlayer .............................................................. |
110 |
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6.5 |
CyberLink PowerPlayer SE .................................................... |
111 |
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6.6 |
CyberLink PowerDVD ........................................................... |
112 |
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6.7 |
CyberLink VideoLive Mail ..................................................... |
113 |
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7. APPENDIX |
...................................................................................... |
115 |
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7.1 |
PCI-L101 Fast Ethernet Card ................................................. |
115 |
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7.2 |
Glossary .................................................................................. |
117 |
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INDEX |
................................................................................................. |
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121 |
ASUS CUSL2-M 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 installation. 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 interference by one or more of the following measures:
•Re-orient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
WARNING! Any changes or modifications to this product not expressly approved by the manufacturer could void any assurances of safety or performance and could result in violation of Part 15 of the FCC Rules.
Reprinted from the Code of Federal Regulations #47, part 15.193, 1993. Washington DC: Office of the Federal Register, National Archives and Records Administration, U.S. Government Printing Office.
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 Canadian Department of Communications.
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
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ASUS CUSL2-M User’s Manual |
1.INTRODUCTION
1.1How This Manual Is Organized
This manual is divided into the following sections:
1. |
INTRODUCTION |
Manual information and checklist |
2. |
FEATURES |
Production information and specifications |
3. |
HARDWARE SETUP |
Intructions on setting up the motherboard. |
4. |
BIOS SETUP |
Intructions on setting up the BIOS |
5. |
SOFTWARE SETUP |
Intructions on setting up the included software |
6. |
SOFTWARE REFERENCE |
Reference material for the included software |
7. |
APPENDIX |
Optional items and general reference |
1.2 Item Checklist
Check that your package is complete. If you discover damaged or missing items, contact your retailer.
Package Contents
(1) ASUS Motherboard
(1) 40-pin 80-conductor ribbon cable for internal UltraDMA100/66/33 IDE drives
(1) Ribbon cable for master and slave IDE drives
(1) Ribbon cable for (1) 5.25” and (2) 3.5” floppy disk drives
(1) Bag of spare jumpers
(1) Support drivers and utilities
(1) This Motherboard User’s Manual
(1) ASUS 2-port USB connector set with bracket
Optional Items
USB Hub CNR card
LAN/Home PNA CNR card
AIMM card
LCD controller module
TVOUT controller module
ASUS iPanel
ASUS consumer infrared set
ASUS IrDA-compliant infrared module
Manual / Checklist
1. INTRODUCTION
ASUS CUSL2-M User’s Manual |
7 |
Specifications |
2. FEATURES |
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2.FEATURES
2.1The ASUS CUSL2-M
The ASUS CUSL2-M motherboard is carefully designed for the demanding PC user who wants advanced features processed by the fastest processors.
2.1.1 Specifications
•Latest Intel Processor Support
Pentium® III |
100/133MHz FSB |
FC-PGA |
Celeron™ |
66MHz FSB |
FC-PGA |
•North Bridge System Chipset: The Intel® 815E chipset supports a 66/100/133 Front Side Bus (FSB), up to 512MB of PC100/PC133 SDRAM, and AGP Pro/ 4X mode, which can transport twice the amount of data compared to the current AGP standard.
•South Bridge System Chipset: The Intel I/O Controller Hub 2 (ICH2) features support for UltraDMA/100, which allows burst mode data transfer rates of up to 100MB/sec; two USB controllers for a total of 4 USB ports; and six channel AC97 CODEC support.
•Intel® Accelerated Hub Architecture: Features a dedicated high speed hub link between the ICH2 and GMCH with a bandwidth of 266MB/sec – twice the maximum bandwidth of the PCI bus.
•PC100/PC133 Memory Support: Equipped with three Dual Inline Memory Module (DIMM) sockets to support PC100/PC133-compliant SDRAMs (available in 64, 128, 256, 512MB densities) up to 512MB.
•Integrated Graphics! The 24-bit 230MHz RAMDAC graphics controller supports 3D hyper pipelined architecture, parallel data processing and compression, precise pixel interpolation, full 2D hardware acceleration, and motion video acceleration. This graphics controller can be disabled to support an external AGP or PCI graphics card.
•AGP Pro Slot: Comes with an Accelerated Graphics Port Pro slot that supports AGP cards for high performance, component level interconnect targeted at 3D graphical applications using a 1X, 2X, or 4X mode bus. Backward compatible to support AGP 4X and AGP 2X. This slot can also support an AGP Inline Memory Module (AIMM) for up to 4MB of 133MHz SDRAM display cache.
•UltraDMA33/66/100 Support: Comes with an onboard PCI Bus Master IDE controller with two connectors that support four IDE devices on two channels. Supports UltraDMA/100, UltraDMA/66, UltraDMA/33, PIO Modes 3 & 4 and Bus Master IDE DMA Mode 2, and Enhanced IDE devices, such as DVD-ROM, CD-ROM, CD-R/RW, LS-120, and Tape Backup drives.
•Wake-Up Support: Supports Wake-On-LAN and Wake-On-Ring, Keyboard Wake-Up, and BIOS Wake-Up.
• JumperFree™ Mode: Allows processor settings and easy overclocking of frequency and Vcore voltage all through BIOS setup when JumperFree™ mode is enabled. Easy-to-use DIP switches instead of jumpers are included to allow manual adjustment of the processor’s external frequency.
•Onboard Audio: AC97 V2.1 compliant Audio Codec with 3D sound circuitry and sample rate conversion from 7kHz to 48kHz.
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ASUS CUSL2-M User’s Manual |
2. FEATURES
• Around-the-Clock Intrusion Detection: Chassis intrusion circuitry can log |
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chassis open events into LDCM. The onboard battery supports detection even |
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when normal power is removed and through a new design, battery drain is even |
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lower than the RTC used for keeping time! |
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• Firmware Hub: Provides security-enhancements in computer platforms by sup- |
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porting Random Number Generator (RNG). |
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• PC Health Monitoring: Provides an easy way to examine and manage system |
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status information, such as CPU and systerm voltages, temperatures, and fan |
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status through the onboard hardware ASUS ASIC and the bundled ASUS PC |
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Probe or Intel LDCM software. |
FEATURES2. |
Specifications |
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• CNR Support: A Communication and Networking Riser (CNR) slot provides |
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an interface to support very affordable multichannel audio, V.90 analog modem, |
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Home PNA, 10/100 Ethernet networking, USB hub, as well as future technolo- |
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gies such as xDSL. |
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• PCI Expansion Slots: Provides three 32-bit PCI (PCI 2.2 compliant) expansion |
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slots. All PCI slots can support Bus Master PCI cards, such as SCSI or LAN |
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cards. (PCI supports up to 133MB/s maximum throughput.) |
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• Low Pin Count (LPC) Multi-I/O: Provides two high-speed UART compatible |
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serial ports and one parallel port with EPP and ECP capabilities. UART2 can |
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also be directed from COM2 to the Infrared Module for wireless connections. |
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• Enhanced ACPI & Anti-Boot Virus Protection: Programmable BIOS (Flash |
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EEPROM), offering enhanced ACPI for Windows 98 compatibility, built-in firm- |
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ware-based virus protection, and autodetection of most devices for virtually au- |
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tomatic setup. |
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• Smart BIOS: 4Mbit firmware gives a new easy-to-use interface which provides |
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more control and protection over the motherboard. Provides Vcore and CPU/ |
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SDRAM frequency adjustments, boot block write protection, and HD/SCSI/MO/ |
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ZIP/CD/Floppy boot selection. Hardware random number generator supports new |
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security software for data protection and secured Internet transactions. |
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• Concurrent PCI: Concurrent PCI allows multiple PCI transfers from PCI mas- |
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ter busses to the memory and processor. |
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• Onboard LED: The onboard LED will light up when there is standby power to |
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the motherboard. This acts as a reminder to the user to turn OFF the power |
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before plugging and unplugging devices so as not to damage the motherboard, |
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peripherals, and/or components. |
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• One Touch Management: Supports an optional ASUS iPanel, an easy to access |
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box with system information LED display, front I/O ports, and space reserved |
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for a hard disk drive. With an ASUS iPanel, you can monitor your computer |
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system’s vital components. |
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• LCD/TV Output: The LCD/TV interface can support either an optional LCD |
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module for LCD output or a TV-out module for TV output. |
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• SMBus: Features the System Management Bus interface, which is used to physi- |
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cally transport commands and information between SMBus devices. |
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ASUS CUSL2-M User’s Manual |
9 |
Performance |
2. FEATURES |
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2.FEATURES
2.1.2Specifications–Optional Components
The following onboard components are optional at the time of purchase:
•Smart Networking: Features 3Com’s 3C920 Fast Ethernet controller, which supports Wired for Management, remote wake-up, and OnNow initiatives to reduce Total Cost of Ownership (TCO).
2.1.3 Performance
•UltraPerformance: Onboard IDE Bus Master controller with two connectors that support four IDE devices in two channels. Supports UltraDMA/100, UltraDMA/ 66, UltraDMA/33 (IDE DMA Mode 2), PIO Modes 3 & 4, and supports Enhanced IDE devices, such as DVD-ROM, CD-ROM, CD-R/RW, LS-120, and Tape Backup drives.
•High-Speed Data Transfer Interface: IDE transfers using UltraDMA/66 Bus Master IDE can handle rates up to 66.6MB/s. This motherboard with its chipset and support for UltraDMA/100 increases the data transfer rate to 100MB/s. UltraDMA/100 is backward compatible with DMA/66, DMA/33, and DMA and with existing DMA devices and systems so there is no need to upgrade current EIDE/IDE drives and host systems. (UltraDMA/66/100 requires a 40-pin 80conductor cable to be enabled.)
•Concurrent PCI: Concurrent PCI allows multiple PCI transfers from PCI master buses to memory and processor.
•SDRAM Optimized Performance: This motherboard supports PC133-com- pliant Synchronous Dynamic Random Access Memory (SDRAM), which increases the data transfer rate to 1066MB/s max.
•ACPI Ready: ACPI (Advanced Configuration and Power Interface) is also implemented on all ASUS smart series motherboards. ACPI provides more Energy Saving Features for future operating systems (OS) supporting OS Direct Power Management (OSPM) functionality. With these features implemented in the OS, PCs can be ready around the clock, yet satisfy all the energy saving standards. To fully utilize the benefits of ACPI, an ACPI-supported OS, such as Windows 98, must be used.
•Suspend and Go: Suspend-to-RAM (STR) provides maximum power savings
as an alternative to leaving the computer ON and QuickStart™ so that you do not have to wait for a long time for system bootup.
•New Compliancy: Both the BIOS and hardware levels of the motherboard meet the stringent requirements for PC 99 certification. The new PC 99 requirements for systems and components are based on the following high-level goals: support for Plug and Play compatibility and power management for configuring and managing all system components, and 32-bit device drivers and installation procedures for Windows 95/98/NT. Color-coded connectors and descriptive icons make identification easy as required by PC 99.
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ASUS CUSL2-M User’s Manual |
2.FEATURES
2.1.4Intelligence
•Fan Status Monitoring and Alarm: To prevent system overheat and system damage, the CPU, power supply, and system fans can be monitored for RPM and failure. All the fans are set for its normal RPM range and alarm thresholds.
•Temperature Monitoring and Alert: To prevent system overheat and system damage, this motherboard supports processor thermal sensing and auto-protection.
•Voltage Monitoring and Alert: System voltage levels are monitored to ensure stable current to critical motherboard components. Voltage specifications are more critical for future processors, so monitoring is necessary to ensure proper system configuration and management.
•System Resources Alert: Today’s operating systems, such as Windows 98, Windows NT, and OS/2, require much more memory and hard drive space to present enormous user interfaces and run large applications. The onboard hardware ASUS ASIC in conjunction with either the bundled ASUS PC Probe or Intel LDCM will warn the user before the system resources are used up to prevent possible application crashes. Suggestions will give the user information on managing their limited resources more efficiently.
•Dual Function Power Button: Through BIOS, the power button can be defined as the “Stand by” (a.k.a. Suspend or Sleep) button or as the Soft-Off (see ATX Power / Soft-Off Switch Lead in 3.8 Connectors for more information) button. Regardless of the setting, pushing the power button for more than 4 seconds will enter the Soft-Off mode.
•Remote Ring On (requires modem): This allows a computer to be turned on remotely through an internal or external modem. With this benefit on-hand, users can access any information from their computers from anywhere in the world.
•Message LED (requires ACPI OS support): Message LEDs now act as information providers. Through the way a particular LED illuminates, the user can determine if a message has been received from a fax/modem. A simple glimpse provides useful information to the user. This function requires ACPI OS and driver support.
•Peripheral Power Up: Keyboard or Mouse power up can be enabled or disabled through BIOS setup to allow the computer to be powered ON using your keyboard or mouse click.
FEATURES |
Intelligence |
2. |
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ASUS CUSL2-M User’s Manual |
11 |
MB |
2. |
Components |
FEATURES |
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2.FEATURES
2.2CUSL2-M Motherboard Components
See opposite page for locations.
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Location |
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Processor Support |
Socket 370 for Pentium III/Celeron (FC-PGA) Processors |
..... 2 |
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Feature Setting DIP Switches ................................................... |
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7 |
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Chipsets |
Intel 815E Graphics Memory Controller Hub (GMCH) .......... |
3 |
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Intel I/O Controller Hub 2 (ICH2) ......................................... |
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12 |
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4Mbit Firmware Hub (FWH) ................................................... |
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9 |
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Low Pin Count (LPC) Multi-I/O Chipset ............................... |
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18 |
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Main Memory |
3 DIMM Sockets (maximum 512MB support) ........................ |
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4 |
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PC133 SDRAM support |
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Expansion Slots |
3 PCI Slots .............................................................................. |
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17 |
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1 Accelerated Graphics Port (AGP) Pro Slot ......................... |
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19 |
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1 CNR Slot ............................................................................. |
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14 |
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System I/O |
1 USB Header ........................................................................... |
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8 |
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1 |
Floppy Disk Drive Connector ............................................... |
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5 |
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2 |
IDE Connectors (UltraDMA/100 Support) ........................... |
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6 |
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1 |
Serial COM2 Header ........................................................... |
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22 |
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1 ASUS iPanel Connector ...................................................... |
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10 |
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1 |
Parallel Port Connector ............................................. |
(Top) 25 |
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1 |
Serial COM1 Port Connector .............................. |
(Bottom) 26 |
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2 |
USB Port Connectors ......................................................... |
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27 |
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1 |
PS/2 Mouse Connector .............................................. |
(Top) 28 |
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1 |
PS/2 Keyboard Connector ................................... |
(Bottom) 28 |
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3D Graphics |
Graphics and Memory Controller Hub |
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1 VGA Monitor Output Connector ......................................... |
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24 |
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TV-Out/Digital LCD Module Headers ................................... |
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23 |
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Audio |
AC’97 V2.1 Audio Codec |
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1 |
Game/MIDI Connector) ............................................ |
(Top) 21 |
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1 |
Line Out Connector ............................................. |
(Bottom) 21 |
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1 |
Line In Connector ................................................ |
(Bottom) 21 |
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1 |
Microphone Connector ........................................ |
(Bottom) 21 |
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Network Features |
3Com 3C920 Fast Ethernet Controller ................................... |
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15 |
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Wake-On-LAN Connector ...................................................... |
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16 |
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Wake-On-Ring Connector ...................................................... |
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11 |
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Hardware Monitoring System Voltage Monitoring (integrated in ASUS ASIC) ....... |
13 |
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3 |
Fan Power and Speed Monitoring Connectors |
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Power |
ATX Power Supply Connector ................................................. |
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1 |
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Special Feature |
Onboard LED ......................................................................... |
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20 |
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Form Factor |
microATX |
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12 |
ASUS CUSL2-M User’s Manual |
2.FEATURES
2.2.1Component Locations
1 |
2 |
3 |
4 |
5 6 |
7 |
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13 12 11 10 9 |
8 |
2. FEATURES |
ComponentLocation |
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ASUS CUSL2-M User’s Manual |
13 |
Layout Motherboard
.3 SETUP H/W
3.HARDWARE SETUP
3.1CUSL2-M Motherboard Layout
PS/2KBMS |
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CPU_FAN |
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T: Mouse |
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B: Keyboard |
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USB |
Top: |
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T: USB1 |
RJ-45 |
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B: USB2 |
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PowerATX Connector |
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(64/72DIMM1bit, 168-pin module) |
(64/72DIMM2bit, 168-pin module) |
(64/72DIMM3bit, 168-pin module) |
FLOPPY |
SECONDARYIDE |
PRIMARYIDE |
DIP Switches |
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AUDIO |
Line |
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Super |
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COM1 |
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USBPWR1 |
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PORT |
KBPWR |
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PARALLEL |
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Socket 370 |
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DSW |
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PWR_FAN |
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VGA |
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LCDTV |
Intel 815E |
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COM2 |
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Graphics & |
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Memory |
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Line |
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Controller |
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Out |
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GAME_ |
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Hub (GMCH) |
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AFPANEL |
In |
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IR_CON |
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I/O |
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ROW |
0 1 |
2 3 |
4 5 |
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In |
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AUX |
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HEADPHONE |
LED1 Accelerated Graphics Port (AGP Pro) |
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CR2032 3V |
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CD1 CUSL2-M |
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MIC2 |
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Lithium Cell |
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CMOS Power |
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MODEM |
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PCI1 |
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Intel I/O |
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AAPANEL |
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Controller |
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4Mbit |
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Audio |
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VIDEO |
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Hub |
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Firmware |
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(ICH2) |
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Hub |
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Codec |
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PCI2 |
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CLRTC |
(FWH) |
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AUD_EN1 |
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CNRUSB1 |
USB2 |
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LAN_EN |
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WOL_CON |
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CNRUSB2 |
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SMB |
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3Com |
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PCI3 |
ASUS ASIC |
JEN |
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ACHA |
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3C920 |
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with |
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USBPWR2 |
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Fast |
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Hardware |
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Enternet |
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WOR |
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PANEL |
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CNR1 |
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Monitor |
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IDELED |
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CHA_FAN |
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VID |
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Grayed components are optional at the time of purchase.
14 |
ASUS CUSL2-M User’s Manual |
3.HARDWARE SETUP
3.2Layout Contents
Motherboard Settings |
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1) |
JEN |
p.18 |
JumperFree™ Mode (Enable/Disable) |
2) |
USBPWR1 |
p.19 |
USB Device Wake Up (Enable/Disable) |
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USBPWR2 |
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3) |
USBCNR1/USBCNR2 |
p.19 |
USB/CNR Selection (USB2 Connect/CNR) |
4) |
AUD_EN1 |
p.20 |
Onboard Audio CODEC Setting (Enable/Disable) |
5) |
LAN_EN |
p.20 |
Onboard LAN Setting (Enable/Disable) |
6) |
KBPWR |
p.21 |
Keyboard Power Up (Enable/Disable) |
7) |
DSW |
p.22 |
CPU External Frequency Setting |
Expansion Slots
1) |
DIMM1/2/3 |
p.24 |
168-Pin System Memory Support |
2) |
CPU |
p.26 |
Central Processing Unit (CPU)6 |
3) |
PCI1/2/3 |
p.27 |
32-bit PCI Bus Expansion Slots |
4) |
CNR1 |
p.28 |
Communication and Network Riser Slot |
5) |
AGPPRO |
p.29 |
Accelerated Graphics Port (AGP Pro) Slot |
Connectors
1) |
PS2KBMS |
p.30 |
PS/2 Mouse Connector (6-pin female) |
2) |
PS2KBMS |
p.30 |
PS/2 Keyboard Connector (6-pin female) |
3) |
USB |
p.31 |
Universal Serial Bus Ports (Two 4-pin female) |
4) |
PRINTER |
p.31 |
Parallel Port Connector (25-pin female) |
5) |
COM1/COM2 |
p.32 Serial Port Connectors (9-pin male, 10-1 pin) |
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6) |
VGA |
p.32 |
Monitor Output Connector (15-pin female) |
7) |
GAME_AUDIO |
p.33 |
Game/MIDI Connector (15-pin female) (optional) |
8) |
GAME_AUDIO |
p.33 |
Audio Port Connectors (Three 1/8” female) (optional) |
9) |
RJ45 |
p.33 |
Fast Ethernet Port Connector (optional) |
10) |
FLOPPY |
p.34 |
Floppy Disk Drive Connector (34-1pins) |
11) |
PRIMARY/SECONDARYIDE p.34 |
Primary/Secondary IDE Connectors (Two 40-1pins) |
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12) |
IDELED |
p.35 |
IDE Activity LED (2 pins) |
13) |
CPU_FAN, PWR_FAN |
p.35 |
CPU, Power Supply, Chassis Fan Connectors (Three 3-pin) |
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CHA_FAN |
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14) |
CD1, AUX, |
p.36 Internal Audio Connectors (Four 4-pins) (optional) |
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VIDEO, MODEM |
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15) |
HEADPHONE |
p.36 |
Headphone True-Level Line Out Header (3 pins) |
16) |
MIC2 |
p.36 |
Internal Microphone Connector (3 pins) |
17) |
AFPANEL |
p.37 |
ASUS iPanel Connector (12-1 pins) |
18) |
AAPANEL |
p.37 |
ASUS iPanel Audio Connector (12-1 pins) |
19) |
SMB |
p.38 |
SMBus Connector (5-1 pins) |
Layout Contents
3. H/W SETUP
ASUS CUSL2-M User’s Manual |
15 |
3. HARDWARE SETUP
20) |
ACHA |
p.38 |
Chassis Intrusion Connector (2 pins) |
21) |
WOL_CON |
p.39 |
Wake-On-LAN Connector (3 pins) |
22) |
WOR |
p.39 |
Wake-On-Ring Connector (2 pins) |
23) |
LCDTV |
p.40 |
LCD-TV Headers (18-1 pins/18 pins) |
24) |
USB2 |
p.40 |
USB Headers (5-1 pins) |
25) |
ATXPWR |
p.41 |
ATX Power Supply Connector (20 pins) |
26) |
IR_CON |
p.41 Standard and Consumer Infrared Connector (10-1 pins) |
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27) |
PWRLED (PANEL) |
p.42 |
System Power LED Lead (3-1 pins) |
28) |
KEYLOCK (PANEL) |
p.42 |
Keyboard Lock Switch Lead (2 pins) |
29) |
SPEAKER (PANEL) |
p.42 |
System Warning Speaker Connector (4 pins) |
30) |
MSG.LED (PANEL) |
p.42 |
System Message LED (2 pins) |
31) |
SMI (PANEL) |
p.42 |
System Management Interrupt Switch Lead (2 pins) |
32) |
PWRSW (PANEL) |
p.42 |
ATX Power / Soft-Off Switch Lead (2 pins) |
33) |
RESET (PANEL) |
p.42 |
Reset Switch Lead (2 pins) |
SETUP H/W .3
Contents Layout
16 |
ASUS CUSL2-M User’s Manual |
3. HARDWARE SETUP
3.3 Hardware Setup Procedure
Before using your computer, you must complete the following steps:
•Check Motherboard Settings
•Install Memory Modules
•Install the Central Processing Unit (CPU)
•Install Expansion Cards
•Connect Ribbon Cables, Panel Wires, and Power Supply
3.4Motherboard Settings
WARNING! Computer motherboards and expansion cards contain very delicate Integrated Circuit (IC) chips. To protect them against damage from static electricity, you should follow some precautions whenever you work on your computer.
1.Unplug your computer when working on the inside.
2.Use a grounded wrist strap before handling computer components. If you do not have one, touch both of your hands to a safely grounded object or to a metal object, such as the power supply case.
3.Hold components by the edges and try not to touch the IC chips, leads or connectors, or other components.
4.Place components on a grounded antistatic pad or on the bag that came with the component whenever the components are separated from the system.
5.Ensure that the ATX power supply is switched off before you plug in or remove the ATX power connector on the motherboard.
WARNING! Make sure that you unplug your power supply when adding or removing system components. Failure to do so may cause severe damage to your motherboard, peripherals, and/or components. The onboard LED when lit acts as a reminder that the system is in suspend or soft-off mode and not powered OFF.
.3 SETUPH/W
Motherboard Settings
CUSL2-M |
LED1
ON |
OFF |
Standby |
Powered |
Power |
Off |
CUSL2-M Onboard LED
ASUS CUSL2-M User’s Manual |
17 |
SETUP H/W .3
Settings Motherboard
3. HARDWARE SETUP
Motherboard Feature Settings
The motherboard’s onboard functions are either adjusted through jumpers or DIP switches. When using DIP switches, the white block represents the switch’s position. The example below shows all the switches in the OFF position.
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DSW |
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5 |
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ON |
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1 2 |
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CUSL2-M |
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ON |
OFF |
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1. |
Frequency Selection |
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2. |
Frequency Selection |
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CUSL2-M DIP Switches |
3. |
Frequency Selection |
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4. Frequency Selection |
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5. |
Frequency Selection. |
1) JumperFree™ Mode (JEN)
This jumper allows you to enable or disable the JumperFree™ mode. The JumperFree™ mode allows processor settings to be made through the BIOS setup (see 4.4 Advanced Menu).
NOTE: In JumperFree™ mode, all dip switches must be set to OFF.
Setting |
JEN |
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Disable (Jumper) |
[1-2] |
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Enable (JumperFree) |
[2-3] (default) |
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DSW |
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5 |
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ON |
1 2 |
CUSL2-M |
OFF |
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1 |
2 |
2 |
3 |
CUSL2-M JumperFree™ Mode Setting |
Disable |
Enable |
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JEN (default) |
18 |
ASUS CUSL2-M User’s Manual |
3.HARDWARE SETUP
2)USB Device Wake Up (USBPWR1,USBPWR2)
These allow you to disable or enable the USB device wake up function. Set these jumpers to Enable if you wish to use your USB devices to wake up your computer. This feature requires anATX power supply that can supply at least 2Aon the +5VSB lead. The default is set to Disable because not all computers have the appropriate ATX power supply. Your computer will not power ON if you set this to Enable and do not have the appropriate ATX power supply. NOTE: This jumper must be set in conjunction with Wake On USB for STR State in 4.5.1 Power Up Control.
NOTES
1.For suspend to RAM function, these jumpers must be set to Enable.
2.The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal working conditions or in the sleep mode.
Setting |
USBPWR1, USBPWR2 |
Disable |
[1-2] (default) |
Enable |
[2-3] |
CUSL2-M |
USBPWR1
1 |
2 |
2 |
3 |
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Disable Enable (Default)
USBPWR2
1 |
2 |
2 |
3 |
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CUSL2-M USB Device Wake Up |
Disable |
Enable |
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(Default) |
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3)USB/CNR Selection (USBCNR1/USBCNR2)
The CNR slot can support an optional USB hub CNR card. If a USB hub CNR card is used, set these jumpers to CNR. Otherwise, leave them on the default setting of USB2 Connect.
Setting |
USBCNR1, USBCNR2 |
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CNR |
[2-3] |
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USB2 Connect |
[1-2] (default) |
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.3 SETUPH/W
Motherboard Settings
CUSL2-M |
1 2 |
2 3 |
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USBCNR1 |
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USBCNR2 |
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CUSL2-M USB/CNR Selection
USB2 Connect CNR
ASUS CUSL2-M User’s Manual |
19 |
3.HARDWARE SETUP
4)Onboard Audio CODEC Setting (AUD_EN1)
(available on audio model only)
The onboard audio CODEC may be enabled or disabled using all of these jumpers. Disable the onboard audio CODEC if you are using an ISA or PCI audio card on any of the expansion slots or a primary audio/modem CNR on a CNR slot (see CNR Slot later in this section). If using a PCI audio expansion card,
Onboard AC97 Audio Controller in 4.4.2 I/O Device Configuration must also be disabled.
Setting |
AUD_EN1 |
Enable |
[1-2] (default) |
Disable |
[2-3] |
SETUP H/W .3
Settings Motherboard
5)Onboard LAN Setting (LAN_EN)
The onboard LAN may be enabled/disabled with this jumper.
Setting |
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LAN_EN |
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Enable |
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[1-2] (default) |
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Disable |
[2-3] |
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LAN_EN
CUSL2-M |
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1 |
2 |
2 |
3 |
Enable Disable
(default)
CUSL2-M On Board Lan Setting
20 |
ASUS CUSL2-M User’s Manual |
3.HARDWARE SETUP
6)Keyboard Power Up (KBPWR)
This allows you to disable or enable the keyboard power up function. Set this jumper to Enable if you wish to use your keyboard (by pressing <Spacebar>) to power up your computer. This feature requires an ATX power supply that can supply at least 300mA on the +5VSB lead. The default is set to Disable because not all computers have the appropriate ATX power supply. Your computer will not power ON if you set this to Enable but do not have the appropriate ATX power supply. NOTE: This jumper must be set in conjunction with Wake On PS2 KB/ PS2 Mouse/CIR in 4.5.1 Power Up Control.
Setting |
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KBPWR |
Enable |
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[1-2] (default) |
Disable |
[2-3] |
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KBPWR |
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CUSL2-M |
1 |
2 |
2 |
3 |
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Enable |
Disable |
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(default) |
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CUSL2-M Keyboard Power Setting
.3 SETUPH/W
Motherboard Settings
WARNING! Using a higher voltage may help when overclocking but may result in the shortening of your computer component’s life. It is highly recommended that you leave this setting on its default.
ASUS CUSL2-M User’s Manual |
21 |
SETUP H/W .3
Settings Motherboard
3.HARDWARE SETUP
7)CPU External Frequency Setting (DSW)
This option tells the clock generator what frequency to send to the CPU, DRAM, AGP, and the PCI bus. This allows the selection of the CPU’s External frequency.
IMPORTANT:
1.In JumperFree mode, all dip switches must be set to OFF.
2.When JumperFree mode is enabled, use BIOS setup in place of these switches (see CPU Speed in Advanced Menu in BIOS Setup).
NOTE: Only selected switches are illustrated. For a complete frequency listing, see next page.
DSW
CUSL2-M |
CUSL2-M CPU External
Clock (BUS) Frequency
Selection
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CPU |
→ |
66MHz |
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100MHz |
133MHz |
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SDRAM |
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100MHz |
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100MHz |
133MHz |
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AGP |
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66MHz |
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66MHz |
66MHz |
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PCI |
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33MHz |
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33MHz |
33MHz |
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CPU |
133MHz |
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SDRAM |
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AGP |
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PCI |
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NOTE: If your processor does not have a locked Frequency Multiple, you must use CPU Core:Bus Freq. Multiple in 4.4 Advanced Menu to set the Frequency Multiple. If the Frequency Multiple is locked, setting the Frequency Multiple in BIOS setup will have no effect.
22 |
ASUS CUSL2-M User’s Manual |
3. HARDWARE SETUP
External Frequency Table
The following table is for use by experienced motherboard installers only. Overclocking can result in system instability or even shortening the life of the processor.
CPU:DRAM |
CPU |
SDRAM |
Frequency Selection Switches |
||||
Ratio |
(MHz) |
(MHz) |
1 |
2 |
3 |
4 |
5 |
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66:100 |
64.4 |
99.6 |
[O N ] |
[O N ] |
[O N ] |
[O N ] |
[O N ] |
66:100 |
60.0 |
90.0 |
[O N ] |
[O N ] |
[O N ] |
[O N ] |
[O FF] |
66:100 |
66.0 |
100.0 |
[O N ] |
[O N ] |
[O N ] |
[O FF] |
[O N ] |
66:100 |
68.3 |
102.5 |
[O N ] |
[O N ] |
[O N ] |
[O FF] |
[O FF] |
66:100 |
70.0 |
105.0 |
[O N ] |
[O N ] |
[O FF] |
[O N ] |
[O N ] |
66:100 |
75.0 |
112.5 |
[O N ] |
[O N ] |
[O FF] |
[O N ] |
[O FF] |
66:100 |
80.0 |
120.0 |
[O N ] |
[O N ] |
[O FF] |
[O FF] |
[O N ] |
66:100 |
83.0 |
124.5 |
[O N ] |
[O N ] |
[O FF] |
[O FF] |
[O FF] |
100:100 |
99.6 |
99.6 |
[O N ] |
[O FF] |
[O N ] |
[O N ] |
[O N ] |
100:100 |
90.0 |
90.0 |
[O N ] |
[O FF] |
[O N ] |
[O N ] |
[O FF] |
100:100 |
100.0 |
100.0 |
[O N ] |
[O FF] |
[ON] |
[OFF] |
[ON] |
100:100 |
103.0 |
103.0 |
[O N ] |
[O FF] |
[O N ] |
[O FF] |
[O FF] |
100:100 |
105.0 |
105.0 |
[O N ] |
[O FF] |
[O FF] |
[O N ] |
[O N ] |
100:100 |
110.0 |
110.0 |
[O N ] |
[O FF] |
[O FF] |
[O N ] |
[O FF] |
100:100 |
115.0 |
115.0 |
[O N ] |
[O FF] |
[O FF] |
[O FF] |
[O N ] |
100:100 |
200.0 |
200.0 |
[O N ] |
[O FF] |
[O FF] |
[O FF] |
[O FF] |
133:133 |
132.8 |
132.8 |
[OFF] |
[ON] |
[O N] |
[O N ] |
[O N ] |
133:133 |
166.6 |
166.6 |
[OFF] |
[ON] |
[O N] |
[O N ] |
[O FF] |
133:133 |
133.0 |
133.0 |
[OFF] |
[ON] |
[O N] |
[O FF] |
[O N ] |
133:133 |
137.0 |
137.0 |
[OFF] |
[ON] |
[O N] |
[O FF] |
[O FF] |
133:133 |
140.0 |
140.0 |
[OFF] |
[ON] |
[O FF] |
[O N ] |
[O N ] |
133:133 |
145.0 |
145.0 |
[OFF] |
[ON] |
[O FF] |
[O N ] |
[O FF] |
133:133 |
150.0 |
150.0 |
[OFF] |
[ON] |
[O FF] |
[O FF] |
[O N ] |
133:133 |
160.0 |
160.0 |
[OFF] |
[ON] |
[O FF] |
[O FF] |
[O FF] |
133:100 |
132.8 |
99.6 |
[OFF] |
[OFF] |
[O N ] |
[O N ] |
[O N ] |
133:100 |
166.6 |
125.0 |
[OFF] |
[OFF] |
[O N ] |
[O N ] |
[O FF] |
133:100 |
133.0 |
100.0 |
[OFF] |
[OFF] |
[O N ] |
[O FF] |
[O N ] |
133:100 |
137.0 |
102.8 |
[OFF] |
[OFF] |
[O N ] |
[O FF] |
[O FF] |
133:100 |
140.0 |
105.0 |
[OFF] |
[OFF] |
[O FF] |
[O N ] |
[O N ] |
133:100 |
145.0 |
108.8 |
[OFF] |
[OFF] |
[O FF] |
[O N ] |
[O FF] |
133:100 |
150.0 |
112.5 |
[OFF] |
[OFF] |
[O FF] |
[O FF] |
[O N ] |
133:100 |
160.0 |
120.0 |
[OFF] |
[OFF] |
[O FF] |
[O FF] |
[O FF] |
For updated processor settings, visit ASUS’s web site (see ASUS CONTACT INFORMATION)
.3 SETUPH/W
Motherboard Settings
ASUS CUSL2-M User’s Manual |
23 |
Memory System
.3 SETUP H/W
3.HARDWARE SETUP
3.5System Memory (DIMM)
NOTE: No hardware or BIOS setup is required after adding or removing memory.
This motherboard uses only Dual Inline Memory Modules (DIMMs). Sockets are available for 3.3Volt (power level) unbuffered Synchronous Dynamic Random Access Memory (SDRAM). One side (with memory chips) of the DIMM takes up one row on the motherboard.
Memory speed setup is recommended through SDRAM Configuration in 4.4.1
Chip Configuration.
Install memory in any combination as follows:
DIMM Location |
168-pin DIMM |
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Total Memory |
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Socket 1 (Rows 0&1) |
SDRAM 8, 16, 32, 64, 128, 256, 512MB |
x1 |
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Socket 2 (Rows 2&3) |
SDRAM 8, 16, 32, 64, 128, 256, 512MB |
x1 |
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Socket 3 (Rows 4&5) |
SDRAM 8, 16, 32, 64, 128, 256, 512MB |
x1 |
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Total System Memory (Max 512MB) |
= |
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NOTE: If the total installed memory exceeds 512MB, the system will hang during startup.
3.5.1 General DIMM Notes
•For the system CPU bus to operate at 133MHz, use only PC133-compliant DIMMs. When this motherboard operates at 133MHz, most system will not even boot if non-compliant modules are used because of the strict timing issues involved under this speed. If your DIMMs are not PC133-compliant, set the CPU bus frequency to 100MHz RAM to ensure system stability.
•ASUS motherboards support SPD (Serial Presence Detect) DIMMs. This is the memory of choice for best performance vs. stability.
•BIOS shows SDRAM memory on bootup screen.
•Single-sided DIMMs come in 16, 32, 64,128, 256MB; double-sided come in 32, 64, 128, 256, 512MB.
24 |
ASUS CUSL2-M User’s Manual |
3.HARDWARE SETUP
3.5.2Memory Installation
WARNING! Make sure that you unplug your power supply when adding or removing memory modules or other system components. Failure to do so may cause severe damage to both your motherboard and expansion cards (see 3.3 Hardware Setup Procedure for more information).
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 shown. DRAM SIMM modules have the same pin contacts on both sides. SDRAM DIMMs have different pin contacts on each side and therefore have a higher pin density.
Lock
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88 Pins |
CUSL2-M |
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60 Pins |
CUSL2-M 168-Pin DIMM Sockets |
20 Pins |
The DIMMs must be 3.3Volt unbuffered SDRAMs. To determine the DIMM type, check the notches on the DIMMs (see figure below).
The notches on the DIMM will shift between left, center, or right to identify the type and also to prevent the wrong type from being inserted into the DIMM slot on the motherboard. You must tell your retailer the correct DIMM type before purchasing. This motherboard supports four clock signals per DIMM.
.3 SETUPH/W
System Memory
ASUS CUSL2-M User’s Manual |
25 |
CPU
.3 SETUP H/W
3.HARDWARE SETUP
3.6Central Processing Unit (CPU)
The motherboard provides a ZIF Socket 370. The CPU that came with the motherboard should have a fan attached to it to prevent overheating. If this is not the case, then purchase a fan before you turn on your system.
WARNING! Be sure that there is sufficient air circulation across the processor’s heatsink by regularly checking that your CPU fan is working. Without sufficient circulation, the processor could overheat and damage both the processor and the motherboard. You may install an auxiliary fan, if necessary.
To install a CPU, first turn off your system and remove its cover. Locate the ZIF socket and open it by first pulling the lever sideways away from the socket then upwards to a 90-degree angle. Insert the CPU with the correct orientation as shown. The notched corner should point towards the end of the lever. Because the CPU has a corner pin for two of the four corners, the CPU will only fit in the orientation as shown. The picture is for reference only; you should have a CPU fan that covers the face of the CPU. With the added weight of the CPU fan, no force is required to insert the CPU. Once completely inserted, close the socket’s lever while holding down the CPU. After the CPU is , install an Intel recommended fan heatsink. Locate the CPU fan connector (see 3.1 Motherboard Layout or 3.8 Connectors) and connect the CPU fan cable to it.
NOTE: Do not forget to set the correct Bus Frequency and Multiple (frequency multiple setting is available only on unlocked processors) for your Socket 370 processor or else boot-up may not be possible. Socket 370 processors provide internal thermal sensing so that a socket mounted thermal resistor is not needed.
CAUTION! Be careful not to scrape the motherboard when mounting a clampstyle processor fan or else damage may occur to the motherboard.
CUSL2-M |
® |
|
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CUSL2-M Socket 370 |
Pentium III
Gold Arrow
26 |
ASUS CUSL2-M User’s Manual |
3.HARDWARE SETUP
3.7Expansion 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 (see 3.3 Hardware Setup Procedure for more information).
3.7.1 Expansion Card Installation Procedure
1.Read the documentation for your expansion card and make any necessary hardware or software settings for your expansion card, such as jumpers.
2.Remove your computer system’s cover and the bracket plate on the slot you intend to use. Keep the bracket for possible future use.
3.Carefully align the card’s connectors and press firmly.
4.Secure the card on the slot with the screw you removed above.
5.Replace the computer system’s cover.
6.Set up the BIOS if necessary
(such as IRQ xx Used By ISA: Yes in PNP AND PCI SETUP)
7.Install the necessary software drivers for your expansion card.
3.7.2 Assigning IRQs for Expansion Cards
Some expansion cards need an IRQ to operate. Generally, an IRQ must be exclusively assigned to one use. In a standard design, there are 16 IRQs available but most of them are already in use, leaving 6 IRQs free for expansion cards. If your motherboard has PCI audio onboard, an additional IRQ will be used. If your motherboard also has MIDI enabled, another IRQ will be used, leaving 4 IRQs free.
Standard Interrupt Assignments
IRQ |
Priority |
Standard Function |
0 |
1 |
System Timer |
1 |
2 |
Keyboard Controller |
2 |
N/A |
Programmable Interrupt |
3* |
11 |
Communications Port (COM2) |
4* |
12 |
Communications Port (COM1) |
5* |
13 |
Sound Card (sometimes LPT2) |
6 |
14 |
Floppy Disk Controller |
7* |
15 |
Printer Port (LPT1) |
8 |
3 |
System CMOS/Real Time Clock |
9* |
4 |
ACPI Mode when enabled |
10* |
5 |
IRQ Holder for PCI Steering |
11* |
6 |
IRQ Holder for PCI Steering |
12* |
7 |
PS/2 Compatible Mouse Port |
13 |
8 |
Numeric Data Processor |
14* |
9 |
Primary IDE Channel |
15* |
10 |
Secondary IDE Channel |
*These IRQs are usually available for ISA or PCI devices.
Expansion Cards
3. H/W SETUP
ASUS CUSL2-M User’s Manual |
27 |
3Expansion
H/W .
SETUPCards
3. HARDWARE SETUP
Interrupt Request Table for this Motherboard
Interrupt requests are shared as shown by the following table:
|
A |
B |
C |
D |
E |
F |
G |
H |
PCI slot 1 |
— |
— |
— |
— |
— |
shared |
— |
— |
PCI slot 2 |
— |
— |
— |
— |
— |
— |
shared |
— |
PCI slot 3 |
— |
— |
— |
— |
— |
— |
— |
shared |
Onboard VGA |
shared |
— |
— |
— |
— |
— |
— |
— |
Onboard USB controller HC0 |
— |
— |
— not shared |
— |
— |
— |
— |
|
Onboard USB controller HC1 |
— |
— |
— |
— |
— |
— |
— |
shared |
AGP Pro |
shared |
— |
— |
— |
— |
— |
— |
— |
CNR LAN |
— |
— |
— |
— not shared |
— |
— |
— |
|
CNR Audio/Modem |
— |
not shared — |
— |
— |
— |
— |
— |
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Onboard LAN |
— |
— |
not shared |
— |
— |
— |
— |
— |
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IMPORTANT: If using PCI cards on shared slots, make sure that the drivers support “Share IRQ” or that the cards do not need IRQ assignments. Conflicts will arise between the two PCI groups that will make the system unstable or cards inoperable.
3.7.3 Communication and Networking Riser (CNR) Slot
This connector supports a specially designed network, audio, or modem riser card. Main processing is done through software and controlled by the motherboard’s system chipset. This provides upgradeable network, audio, and/or modem solutions at an incredibly low cost.
NOTE: CNRs are not included with this motherboard.
CUSL2-M |
CUSL2-M Communication & Networking Riser Connectors
CNR Restrictions:
1.If an audio CNR card is used, it must be primary.
2.If the onboard audio CODEC is enabled, the modem CNR card must be secondary.
28 |
ASUS CUSL2-M User’s Manual |
3.HARDWARE SETUP
3.7.4Accelerated Graphics Port (AGP) Pro Slot
This motherboard provides an accelerated graphics port (AGP) pro slot to support a new generation of AGP graphics cards with ultra-high memory bandwidth. This slot can also support an AGP Inline Memory Module (AIMM) for up to 4MB of 133MHz SDRAM display cache to work with the integrated graphics controller to deliver high quality video graphics.
AGP Card without Retention Notch
CUSL2-M
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28-pin bay |
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CUSL2-M Accelerated Graphics Port |
Rib (inside slot) |
Rib |
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(AGP PRO) |
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NOTE: Disable the integrated graphics controller (see Onboard VGA in 4.4.1 Chip Configuration) when using an add-on graphics card.
CAUTION! The AGP Pro slot is shipped with a warning label over the 20-pin bay. DO NOT remove this label and the safety tab underneath it if you will be using an AGP card without a retention notch. Removing may cause the
card to shift and may cause damage to your card, slot, and motherboard. Remove ONLY when you will be using an AGP Pro card. Use a rigid tip, such as a pen tip, to dislodge and remove
the tab from the bay.
Removing the tab
Expansion Cards
3. H/W SETUP
ASUS CUSL2-M User’s Manual |
29 |
.3
H/WConnectors SETUP
3.HARDWARE SETUP
3.8External Connectors
WARNING! Some pins are used for connectors or power sources. These are clearly distinguished from jumpers in the Motherboard Layout. Placing jumper caps over these connector pins will cause damage to your motherboard.
IMPORTANT: Ribbon cables should always be connected with the red stripe to Pin 1 on the connectors. Pin 1 is usually on the side closest to the power connector on hard drives and CD-ROM drives, but may be on the opposite side on floppy disk drives. Check the connectors before installation because there may be exceptions. IDE ribbon cable must be less than 46 cm (18 in.), with the second drive connector no more than 15 cm (6 in.) from the first connector.
1)PS/2 Mouse Connector (Green 6-pin PS2KBMS)
The system will direct IRQ12 to the PS/2 mouse if one is detected. If one is not detected, expansion cards can use IRQ12. See PS/2 Mouse Function Control in 4.4 Advanced Menu.
PS/2 Mouse (6-pin female)
2)PS/2 Keyboard Connector (Purple 6-pin PS2KBMS)
This connection is for a standard keyboard using an PS/2 plug (mini DIN). This connector will not allow standard AT size (large DIN) keyboard plugs. You may use a DIN to mini DIN adapter on standard AT keyboards.
PS/2 Keyboard (6-pin female)
30 |
ASUS CUSL2-M User’s Manual |