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 T O 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.
• SiS is a trademark of Silicon Integrated Corporation.
• Intel, Celeron, LANDesk, and Pentium are trademarks of Intel Corporation.
• IBM and OS/2 are registered trademarks of International Business Machines.
• Symbios is a registered trademark of Symbios Logic Corporation.
• Windows and MS-DOS are registered trademarks of Microsoft Corporation.
• Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated.
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
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 THA T MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
INDEX ................................................................................................... 95
ASUS TUSI-M User’s Manual5
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 ap-
proved by the manufacturer could void any assurances of safety or performance
and could result in violation of Part 15 of the FCC Rules.
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.
6ASUS TUSI-M User’s Manual
1. INTRODUCTION
1.1How This Manual Is Organized
This manual is divided into the following sections:
1. INTRODUCTIONManual information and checklist
2. FEATURESProduction information and specifications
3. HARDWARE SETUPIntructions on setting up the motherboard.
4. BIOS SETUPIntructions on setting up the BIOS
5. SOFTWARE SETUPIntructions on setting up the included software
6. SOFTWARE REFERENCEReference material for the included software
7. APPENDIXOptional items and general reference
1.2Item Checklist
Check that your package is complete. If you discover damaged or missing items,
contact your retailer.
Manual / Checklist
1. INTRODUCTION
Package Contents
(1) ASUS Motherboard
(1) 40-pin 80-conductor ribbon
cable for internal UltraDMA/
66 or UltraDMA/33 IDE
drives
(1) Ribbon cable for (1) 5.25” and
(2) 3.5” floppy disk drives
(1) I/O Shield
(1) Bag of spare jumpers
(1) Support drivers and utilities
(1) This Motherboard User’s
Manual
Optional Items
ASUS 3-port USB connector set
with bracket
ASUS consumer infrared set
Modem riser
ASUS TUSI-M User’s Manual7
2.1The ASUS TUSI-M
The ASUS TUSI-M motherboard is carefully designed for the demanding PC user
who wants advanced features processed by the fastest processors.
ler supports a 133MHz Front Side Bus (FSB) and UltraDMA/100, which allows
burst mode data transfer rates of up to 100MB/sec.
(DIMM) sockets to support Intel PC100/133-compliant SDRAMs (available in
64, 128, 256, or 512MB densities) up to 1GB.
with two connectors that support four IDE devices on two channels. Supports
UltraDMA/100/66/33, 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.
®
III100/133MHz FSBCoppermine coreFC-PGA
•More USB Ports: Supports a total of 5 USB ports for more peripheral connec-
tivity options.
•Peripheral Wakeup: Supports Wakeup on LAN, USB, and PS/2 Mouse/Key-
board.
•SMBus: Features the System Management Bus interface, which is used to physi-
cally transport commands and information between SMBus devices.
•PC Health Monitoring: Provides an easy way to examine and manage system
status information, such as CPU and system voltages, temperatures, and fan
status through the onboard hardware ITE 8705 and the bundled ASUS PC Probe
or Intel LDCM software.
•AMR Slot: Audio Modem Riser slot supports a very affordable audio and/or
modem riser card.
•Legacy Free: Provides three 32-bit PCI (Asynchronous PCI 2.2 compliant) with
no ISA, eliminating bottlenecks and system memory management issues. All
PCI slots can support Bus Master PCI cards, such as SCSI or LAN cards. (PCI
supports up to 133MB/s maximum throughput.)
•Low Pin Count (LPC) Multi-I/O: Provides two high-speed UAR T 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.
EEPROM), offering enhanced ACPI for Windows 98/2000/Millenium compatibility, built-in firmware-based virus protection, and autodetection of most devices for virtually automatic setup.
8
ASUS TUSI-M User’s Manual
2. FEATURES
•Smart BIOS: 2Mbit flash ROM gives a new easy-to-use interface which pro-
vides more control and protection over the motherboard. Provides Vcore and CPU/
SDRAM frequency adjustments, boot block write protection, and HD/SCSI/MO/
ZIP/CD/Floppy boot selection. Hardware random number generator supports new
security software for data protection and secured Internet transactions.
3D Extension Positional Audio Chip. With this chip onboard, no external CODEC is needed. CMI-8738 supports legacy audio (SB16™), FM emulator/DLS
wavetable music synthesis, and HR TF 3D positional audio functions, and PCtel®
HSP56 (1789) interface.Compatible with A3D™ and DirectSound™ 3D,
CMI8738 thus meets PC98® requirements, and supports professional digital
audio interface and 4-channel speaker.
•Smart Networking: Features the SiS630E 10/100Mb Fast Ethernet Controller,
which supports W ired for Management, remote wake-up, and OnNow initiative
to reduce Total Cost of Ownership (TCO).
2. FEATURES
Optional Components
ASUS TUSI-M User’s Manual9
2. FEATURES
2.1.3Performance
•UltraPerformance: Onboard IDE Bus Master controller with two connectors that
support four IDE devices in two channels. Supports UltraDMA100//66/33, (IDE
DMA Mode 2), PIO Modes 3 & 4, and supports Enhanced IDE devices, such as
DVD-ROM, CD-ROM, CD-R/R W, LS-120, and Tape Backup drives.
•Dual Speeds: CPU frequency can operate at either 133MHz or 100MHz.
•SDRAM Optimized Performance: This motherboard supports PC133-com-
•ACPI Ready: ACPI (Advanced Configuration and Power Interface) is also imple-
•New Compliancy: Both the BIOS and hardware levels of the motherboard meet
ter buses to memory and processor.
pliant Synchronous Dynamic Random Access Memory (SDRAM), which increases
the data transfer rate to 100MB/s max.
mented on all ASUS smart series motherboards. ACPI provides more Energy
Saving Features for future operating systems (OS) supporting OS Direct Power
Management (OSPM) functionality . W ith 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
98/2000/Millenium, must be used.
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 W indows 95/NT and later. Color-coded connectors and descriptive icons make identification easy as required by PC 99.
10
ASUS TUSI-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.
•T emperature Monitoring and Alert: T o prevent system overheat and system dam-
age, 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/
Millenium, W indows NT/2000, 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 ATXPower / 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 infor -
mation 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.
Intelligence
2. FEATURES
•Peripheral Power Up: Keyboard power up can be enabled or disabled through
BIOS setup to allow the computer to be powered ON using your keyboard.
ASUS TUSI-M User’s Manual11
2.2TUSI-M Motherboard Components
See opposite page for locations.
Processor SupportSocket 370 for Pentium III/Celeron Processors ....................... 2
19) AAPANELp.34 ASUS Audio Panel Connector (12-1 pin)
20) ATXPWRp.35 ATX Power Supply Connector (20 pin)
Audio Port Connectors (Three 1/8” female) (optional)
p.30 Primary/Secondary IDE Connectors (T wo 40-1pin)
31 Power, CPU, Chassis Fan Connectors (Three 3 pin)
p.
(Two 4 pin female)
3. H/W SETUP
Layout Contents
21) PWRTMPp.35 Power Supply Thermal Sensor Connector (2 pin)
22) SPEAKERp.36 System Warning Speaker Connector (4 pin)
23) KEYLOCKp.36 Keyboard Lock Switch Lead (2 pin)
24) PLEDp.36 System Power LED Lead (3-1 pin)
25) MLEDp.36 System MessageLED Lead (2 pin)
26) SMIp.36 System Management Interrupt Switch Lead (2 pin)
27) PWR BUTTONp.36 ATX Power / Soft-Off Switch Lead (2 pin)
28) RESETp.36 Reset Switch Lead (2 pin)
ASUS TUSI-M User’s Manual15
3. HARDWARE SETUP
3.3Hardware 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
This section explains in detail how to change your motherboard’s function settings
through the use of switches and/or jumpers.
WARNING!
Motherboard Settings
3. H/W SETUP
grated 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.
Computer motherboards and expansion cards contain very delicate Inte-
16ASUS TUSI-M User’s Manual
3. HARDWARE SETUP
1) JumperFree™ Mode (JEN)
™
This jumper enableS or disableS the JumperFree
™
JumperFree
mode, which permits processor frequency settings through the BIOS
setup (see 4.4 Advanced Menu). Disabling JumperFree
frequency settings using JP0-JP3; (see the following page).
IMPORTANT: In JumperFree™ mode, all jumpers must be set to [1-2].
01
JP1
JP3
JP2
3
2
1
JEN
12
TUSI-M
JumperFree Mode
mode. The default enables
™
mode permits manual
JP0
1
2
Jumper Mode
TUSI-M JumperFree™ Mode Setting
2) USB Device Wake Up (USBPWR0, USBPWR1)
These jumpers allow you to enable or disable the USB device power up function
for USB devices connected to your system.This feature requires an ATX power
supply that can supply at least 2A on the +5VSB lead. The default is set to
Disable because not all computers have the appropriate A TX power supply . Your
computer will not power ON if you set these to Enable and do not have the
appropriate ATX power supply.
NOTES:
1. These two jumpers must be set in unison; that is, either both must be set to
Disable or both to Enable.
2. These settings must also be set in conjunction with W ake On USB Device in
4.5.1 Power Up Control.
01
USBPWR1
2
1
EnableDisable
3
2
(Default)
3. H/W SETUP
Motherboard Settings
®
TUSI-M
TUSI-M USB Device Wake Up
ASUS TUSI-M User’s Manual17
USBPWR0
2
1
EnableDisable
2
3
(Default)
3. HARDWARE SETUP
3) CPU External Frequency Setting (JP3, JP1, JP2, JP0)
This option tells the clock generator what frequency to send to the CPU, SDRAM,
and the chipset. This allows the selection of the CPU’s External frequency. The
CPU External Frequency multiplied by the Frequency Multiple equals the CPU’sInternal frequency (the advertised CPU speed).
(NOTE: T o make adjustments using these jumpers, the JumperFree mode must
™
be disabled; (see the JumperFree
JEN setting on the previous page).
Motherboard Settings
3. H/W SETUP
TUSI-M CPU
External Frequency Selection
JP1
JP3
100.0MHz
100.0MHz
33.3MHz
JP1
JP3
96.2MHz
96.2MHz
32.1MHz
JP1
JP3
133.3MHz
133.3MHz
33.3MHz
JP1
JP3
70.0MHz
105.0MHz
35.0MHz
JP2
JP2
JP2
JP2
JP0
JP0
JP0
JP0
JP1
JP3
JP2
JP0
3
2
1
CPU
PCI
CPU
PCI
CPU
PCI
CPU
PCI
66.6MHz
100.0MHz
33.3MHz
3
2
1
133.3MHz
100.0MHz
33.3MHz
3
2
1
100.0MHz
150.0MHz
37.5MHz
3
2
1
97.0MHz
97.0MHz
32.3MHz
JP3
JP3
JP3
JP1
JP1
JP1
JP2
JP2
JP2
JP0
JP0
JP0
SDRAM
01
®
TUSI-M
SDRAM
SDRAM
SDRAM
JP1
JP3
JP2
150.0MHz
100.0MHz
37.5MHz
JP1
JP3
JP2
100.0MHz
133.3MHz
33.3MHz
JP1
JP3
JP2
66.8MHz
66.8MHz
33.4MHz
JP1
JP3
JP2
95.0MHz
95.0MHz
31.7MHz
JP0
JP0
JP0
JP0
JP1
JP3
JP2
JP0
3
2
1
CPU
PCI
95.0MHz
126.7MHz
31.7MHz
SDRAM
18ASUS TUSI-M User’s Manual
JP1
JP3
112.0MHz
112.0MHz
37.3MHz
JP2
JP0
JP1
JP3
JP2
97.0MHz
129.3MHz
32.2MHz
JP0
3. HARDWARE SETUP
Manual CPU Settings Table
Set the jumpers according to the internal speed of your processor as follows:
For updated processor settings, visit ASUS’s web site: WWW.ASUS.COM
3. H/W SETUP
Motherboard Settings
WARNING!Premature wearing of the processor may result when overclocking.
Be sure that the DIMM you use can handle the specified SDRAM MHz or else
bootup will not be possible.
ASUS TUSI-M User’s Manual19
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 Ac-
cess Memory (SDRAM) of 16, 32, 64, 128MB, 256 or 512MB. to form a memory size
between 16MB and 1GB. One side (with memory chips) of the DIMM takes up one
row on the motherboard. This motherboard also supports NEC’s Virtual Channel (VC)
SDRAMs.
To use the chipset’s Error Checking and Correction (ECC) feature, you must use a
DIMM with 9 chips per side (standard 8 chips/side + 1 ECC chip).
Memory speed setup is recommended through Configure SDRAM T iming by SPD
(see 4.4.2 Advanced Chipset Setup).
•This motherboard supports SPD (Serial Presence Detect) DIMMs. This is the
•This motherboard does NOT support registered memory.
•SDRAM chips are generally thinner with higher pin density than EDO (Ex-
•BIOS shows SDRAM memory on bootup screen.
•Single-sided DIMMs come in 16, 32, 64,128, 256MB; double-sided come in 32,
•For optimum signal integrity, inserting the DIMMs in the following order is
recommended: DIMM1, DIMM2
•SDRAMs used must be compatible with the current PC133/PC100 SDRAM
specification.
•DO NOT mix SDRAMs with VC SDRAMs.
Total System Memory (Max 1GB)=
memory of choice for best performance vs. stability.
tended Data Output) chips.
64, 128, 256, 512MB.
20ASUS TUSI-M User’s Manual
3. HARDWARE SETUP
3.5.2DIMM Memory Installation
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. DIMM modules are longer and have different pin contact on each side and therefore have a
higher pin density. SIMM modules have the same pin contact on both sides.
01
Lock
88 Pins
60 Pins
®
TUSI-M
20 Pins
TUSI-M 168-Pin DIMM Sockets
The DIMMs must be 3.3V Unbuffered for this motherboard. T o determine the DIMM
type, check the notches on the DIMMs (see figure below).
3. H/W SETUP
System Memory
168-Pin DIMM Notch Key Definitions (3.3V)
DRAM Key Position
RFU
Buffered
Unbuffered
Voltage Key Position
5.0V
Reserved
3.3V
The notches on the DIMM module 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 ask your retailer the correct DIMM type before purchasing. This motherboard supports four clock signals.
ASUS TUSI-M User’s Manual21
3. HARDWARE SETUP
3.6Central Processing Unit (CPU)
The motherboard provides a ZIF Socket 370, for CPU installation. A fan and heatsink should be attached to the CPU to prevent overheating. Purchase and install a
fan and heatsink before turning on the system.
01
®
TUSI-M
Socket 370 CPU
Notch
(Top)
Celeron
Socket 370 CPU
(Bottom)
3. H/W SETUP
CPU
TUSI-M Socket 370
Gold Arrow
Pentium III
1. Locate the Socket 370 and open it by pulling
the lever gently sideways away from the socket.
Then lift the lever upwards. The socket lever
must be fully opened (90 to 100 degrees).
2. Insert the CPU with the correct orientation. The
gold arrow of the CPU must be oriented
toward the outer corner of the socket base
nearest to the tip of the lever handle.
CAUTION! The CPU fits in one orientation
and should drop easily into place. Do not force
the CPU into the socket to avoid bending the
pins. If the CPU does not fit, check its
alignment and look for bent pins.
3. Once completely inserted, press the CPU firmly and close the socket lever until it
snaps into its locked position.
4. Install an Intel fan heatsink. The heatsink should entirely cover the CPU. Carefully attach the heatsink locking brace to the plastic clips on the socket base. W ith
the added weight of the CPU fan and heatsink locking brace, no extra force is
required to keep the CPU in place. Connect the CPU fan cable to the fan connector (See 3.1 Motherboard Layout / 3.8 Connectors).
CAUTION! Take care not to scrape the motherboard surface when mounting a
clamp-style processor fan, or else damage may occur . When mounting a heatsink
onto your CPU, make sure that exposed CPU capacitors do not touch the
heatsink, or else damage may occur! Refer to heatsink/CPU documentation.
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: a socket mounted thermal resistor is not needed.
22ASUS TUSI-M User’s Manual
3. HARDWARE SETUP
3.7Expansion Cards
In the future, you may need to install expansion cards. The motherboard has five
PCI expansion slots to support these cards. Follow the steps in the next section
when installing expansion cards.
WARNING! Unplug the system power cord when adding or removing expan-
sion cards or other system components. Failure to do so may cause severe damage to both the motherboard and expansion cards.
3.7.1Installing an Expansion Card
1.Read the documentation that comes with the expansion card and make any necessary hardware settings for the card before installing it.
2.Remove the system unit cover and the bracket plate on the slot you intend to use.
Keep the screw for later use.
3.Align the card connectors with the slot and press firmly until the card fits in
place.
4.Secure the card to the slot with the screw you removed earlier.
5.Replace the system cover.
6.Change the necessary BIOS settings, if any.
(see section 4.4.3 PCI Configuration to change the settings.)
7.Install the necessary software drivers for the expansion card.
3. H/W SETUP
Expansion Cards
ASUS TUSI-M User’s Manual23
3.7.2Assigning 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.
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 arise
between the two PCI groups that will make the system unstable or cards inoperable.
The following table lists the default IRQ assignments for standard PC devices. Use
this table when configuring your system and for resolving IRQ conflicts.
Standard Interrupt Assignments
IRQPriorityStandard Function
Expansion Cards
3. H/W SETUP
01System T imer
12Keyboard Controller
2N/AProgrammable Interrupt
3*11Communications Port (COM2)
4*12Communications Port (COM1)
5*13Sound Card (sometimes LPT2)
614Floppy Disk Controller
7*15Printer Port (LPT1)
83System CMOS/Real Time Clock
9*4ACPI Mode when used
10*5IRQ Holder for PCI Steering
11*6IRQ Holder for PCI Steering
12*7PS/2 Compatible Mouse Port
138Numeric Data Processor
14*9Primary IDE Channel
15*10Secondary IDE Channel
3. HARDWARE SETUP
*These IRQs are usually available for ISA or PCI devices.
This connector supports a specially designed audio and/or modem card called an AMR.
Main processing is done through software and controlled by the motherboard’s sys-
tem chipset. This provides an upgradeable audio and/or modem solution at an incredibly low cost. There are two types of AMR, one defined as primary and another defined as secondary. You can only use primary AMRs with this motherboard.
NOTE: An AMR is not included with this motherboard.
01
®
TUSI-M
TUSI-M Audio Modem Riser (AMR) Connector
3. H/W SETUP
Expansion Cards
ASUS TUSI-M User’s Manual25
3.8Connectors
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.
3. H/W SETUP
Connectors
1) PS/2 Mouse Connector (Green 6-pin PS2KBMS)
3. HARDWARE SETUP
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)
26ASUS TUSI-M User’s Manual
3. HARDWARE SETUP
3) Fast-Ethernet Port Connector (RJ45) (optional)
An optional RJ-45 connector is located on top of the USB connectors. The
connector allows the motherboard to connect to a Local Area Network (LAN)
through a network hub.
RJ-45
LED1
LED2
LED1LED2
OnPowerGood connection
OffNo powerBad connection
Blinking---Data transfer
4) Universal Serial Bus Ports 0 & 1 (Black two 4-pin USB)
Two USB ports are available for connecting USB devices.
Universal Serial Bus (USB)
5) Parallel Port Connector (Burgundy 25-pin PRINTER)
You can enable the parallel port and choose the IRQ through Onboard Parallel
Port (see 4.4.2 I/O Device Configuration).
NOTE: Serial printers must be connected to the serial port.
Connectors
3. H/W SETUP
Parallel (Printer) Port (25-pin female)
ASUS TUSI-M User’s Manual27
3. HARDWARE SETUP
6) Serial Port Connectors (Teal/Turquoise 9-pin COM1)
One serial port is ready for a mouse or other serial devices. A second serial port
is available using a serial port bracket connected from the motherboard to an
expansion slot opening. See Onboard Serial Port 1 in 4.2.2 I/O Device Con-figuration for settings.
COM 1
Serial Port (9-pin male)
3. H/W SETUP
Connectors
7) Monitor Output Connector (Blue 15-pin VGA1)
01
PIN 1
®
TUSI-M
TUSI-M Serial Port Header
This connector is for output to a VGA-compatible device.
You may connect game joysticks or game pads to this connector for playing
games. Connect MIDI devices for playing or editing professional audio.
Game/MIDI (15-pin female)
9) Audio Port Connectors (Three 1/8” GAME_AUDIO) (optional)
Line Out (lime) can be connected to headphones or preferably powered speak-
ers. Line In (light blue) allows tape players or other audio sources to be re-
corded by your computer or played through the Line Out (lime). Mic (pink)
allows microphones to be connected for inputting voice.
MicLine InLine Out
1/8" Stereo Audio Connectors
Connectors
DMA Channels
3. H/W SETUP
3. H/W SETUP
ASUS TUSI-M User’s Manual29
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