This publication, including all photographs, illustrations and software, is protected under
international copyright laws, with all rights reserved. Neither this manual, nor any of the
material contained herein, may be reproduced without written consent of the author.
Version 1.0
Disclaimer
The information in this document is subject to change without notice. The manufacturer
makes no representations or warranties with respect to the contents hereof and specifically
disclaims any implied warranties of merchantability or fitness for any particular purpose.
The manufacturer reserves the right to revise this publication and to make changes from
time to time in the content hereof without obligation of the manufacturer to notify any
person of such revision or changes.
Trademark Recognition
Microsoft, MS-DOS and Windows are registered trademarks of Microsoft Corp.
MMX, Pentium, Pentium-II, Pentium-III, Celeron are registered trademarks of Intel Corporation.
Other product names used in this manual are the properties of their respective owners and
are acknowledged.
Federal Communications Commission (FCC)
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 the 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:
•Reorient or relocate the receiving antenna
•Increase the separation between the equipment and the receiver
•Connect the equipment onto 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
Shielded interconnect cables and a shielded AC power cable must be employed with this
equipment to ensure compliance with the pertinent RF emission limits governing this
device. Changes or modifications not expressly approved by the system’s manufacturer
could void the user’s authority to operate the equipment.
Preface
ii
Declaration of Conformity
This device complies with part 15 of the FCC rules. Operation is subject to the following
conditions:
•This device may not cause harmful interference, and
•This device must accept any interference received, including interference
that may cause undesired operation
Canadian Department of Communications
This class B digital apparatus meets all requirements of the Canadian Interference-causing
Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Réglement sur le
matériel brouilieur du Canada.
About the Manual
The manual consists of the following:
Chapter 1
Introducing the Motherboard
Describes features of the motherboard.
Go to
H
page 1
Chapter 2
Installing the Motherboard
Chapter 3
Using BIOS
Chapter 4
Using the Motherboard Software
Chapter 5
SIS968 SATA RAID Setup Guide
Describes installation of motherboard
components.
Go to
Provides information on using the BIOS
Setup Utility.
Thank you for choosing the 671T-M motherboard. This motherboard is a high performance, enhanced function motherboard that supports the LGA775 socket Intel Core™ 2
Duo/Pentium D/Pentium 4/Celeron D processors for high-end business or personal desktop
markets.
The motherboard incorporates the SiS671 Northbridge (NB) and SiS968 Southbridge (SB)
chipsets. The SiS671 Northbridge chipset features the AGTL & AGTL+ compliant bus
driver technology with integrated on-die termination to support Intel Pentium 4 series
processors with FSB 1066/800/533 MHz. The memory controller supports DDR2 memory
DIMM frequencies of 667/533/400. It supports two DDR2 Sockets with up to maximum
memory of 4 GB. High resolution graphics via one PCI Express slot, intended for Graphics
Interface, is fully compliant to the PCI Express Specification revision 1.1.
The SiS968 Southbridge supports Hi-Precision Event Timer (HPET) for Microsoft Windows with multiple DMA bus architecture that supports isochroous request and continuous
packet transmission. It implements an EHCI compliant interface that provides 480Mb/s
bandwidth for eight USB 2.0 ports. One onboard IDE connector supports two IDE devices
in Ultra DMA 133/100/66/33. The Southbridge integrates a Serial ATA host controller,
supporting two SATA ports with maximum transfer rate up to 3.0 Gb/s each.
This motherboard is equipped with advanced full set of I/O ports in the rear panel, including
PS/2 mouse and keyboard connectors, COM1, LPT1 (optional), VGA, four USB ports, one
optional 1394a port, one optional LAN port, and audio jacks for microphone, line-in and
6/8-channel (optional) line-out.
1
Introducing the Motherboard
2
Feature
Processor
This motherboard uses an LGA775 type of Intel Core™ 2 Duo/Pentium D/Pentium 4/
Celeron D that carries the following features:
•Accommodates Intel Core™ 2 Duo/Pentium D/Pentium 4/Celeron D processors
•Supports a system bus (FSB) of 1066/800/533 MHz
•Supports “Hyper-Threading” technology CPU
“Hyper-Threading” technology enables the operating system into thinking it’s hooked
up to two processors, allowing two threads to be run in parallel, both on separate
“logical” processors within the same physical processor.
Chipset
The SiS671 Northbridge (NB) and SiS968 Southbridge (SB) chipset is based on an
innovative and scalable architecture with proven reliability and performance.
SiS671
(NB)
SiS968
(SB)
•Supports 12 outstanding transactions and out-of-order
completion
•Accommodates high throughput SiS MuTIOL 1G interconnecting to SiS968 MuTIOL 1G media I/O with bi-directional
16-bit data bus to perform 1GB/s bandwidth in 133 MHz x
4 mode
•Up to 2 GB per DIMM with maximum memory size up to 4 GB
Introducing the Motherboard
Onboard LAN (Optional)
The onboard LAN provides either of the following LAN with following features:
•Integrated Fast Ethernet Controller for PCI ExpressTM Applications
•Integrated 10/100 transceiver
•Wake-on-LAN and remote wake-up support
•10BASE-T/100BASE-TX IEEE 802.3u fast Ethernet transceiver
•Low-power mode
•MII and 7-wire serial interface
•Integrated Gigabit Ethernet Controller for PCI ExpressTM Applications
•Integrated 10/100/1000 transceiver
•Wake-on-LAN and remote wake-up support
Audio
This motherboard may support either of the following Audio chipsets:
•5.1 Channel High Definition Audio Codec
•ADCs support 44.1k/48k/96k sample rate
•Meets Microsoft WHQL/WLP 3.0x audio requirements
•Direct Sound 3DTM compatible
•7.1+2 channel High Definition Audio Codec
•All DACs Support 192k/96k/48k/44.1kHz DAC sample rate
•Software selectable 2.5V/3.75V VREFOUT
•Meets Microsoft WHQL/WLP 2.x audio requirements
•Direct Sound 3DTM compatible
Expansion Options
The motherboard comes with the following expansion options:
•One PCI Express slot for Graphic Interface
•One PCI Express x1 slot
•Two 32-bit PCI v2.3 compliant slots
•One 40-pin IDE connector that support two IDE devices
•One floppy disk drive interface
•Two 7-pin SATA connector
This motherboard supports UltraDMA bus mastering with transfer rates of 133/100/66
MB/s.
3
Integrated I/O
The motherboard has a full set of I/O ports and connectors:
•Two PS/2 ports for mouse and keyboard
•One serial port
•One parallel port (optional)
•One VGA port
•Four USB ports
•One 1394a port (optional)
•One LAN port (optional)
•Audio jacks for microphone, line-in and 6/8-channel (optional) line-out
Introducing the Motherboard
4
BIOS Firmware
This motherboard uses AMI BIOS that enables users to configure many system
features including the following:
•Power management
•Wake-up alarms
•CPU parameters
•CPU and memory timing
The firmware can also be used to set parameters for different processor clock speeds.
Some hardware specifications and software items are subject to change
without prior notice.
Introducing the Motherboard
Motherboard Components
5
Introducing the Motherboard
6
Table of Motherboard Components
LABELCOMPONENTS
TM
1. CPU Socket
2. CPU_FAN1
3. DIMM1~2
4. IR2*
5. FDD1
6. IDE1
7. SYS_FAN1
8. CLR_CMOS1
9. SPI_C
10. SATA1~2
11. PANEL1
12. JLPC1*
13. USB3~4
14. 1394*
15. COM2*
16. WOL1*
17. CD_IN1
18. F_AUDIO
19. SPDIFO1
20. PCI1~2
21. PCIE1
22. PCIEX1
LGA775 socket for Intel Core
D/Pentium 4/Celeron D CPUs
CPU cooling fan connector
240-pin DDR2 SDRAM slots
Infrared header
Floppy disk drive connector
Primary IDE connector
System cooling fan connector
Clear CMOS jumper
SPI_ROMheader
Serial ATA connectors
Front panel switch/LED header
Low pin count header
Front Panel USB headers
IEEE 1394a header
Onboard Serial port header
Wake On LAN connector
Analog audio input connector
Front panel audio header
SPDIF out header
32-bit add-on card slots
PCI Express x1 slot
PCI Express slot for graphics interface
2 Duo/Pentium
23. ATX_POWER1 Standard 24-pin ATX power connector
24. ATX12V1 Auxiliary 4-pin power connector
“*” stands for optional components.
This concludes Chapter 1. The next chapter explains how to install the motherboard.
Introducing the Motherboard
Chapter 2
Installing the Motherboard
Safety Precautions
•Follow these safety precautions when installing the motherboard
•Wear a grounding strap attached to a grounded device to avoid damage from
static electricity
•Discharge static electricity by touching the metal case of a safely grounded
object before working on the motherboard
•Leave components in the static-proof bags they came in
•Hold all circuit boards by the edges. Do not bend circuit boards
Choosing a Computer Case
There are many types of computer cases on the market. The motherboard complies with
the specifications for the Micro ATX system case. First, some features on the motherboard
are implemented by cabling connectors on the motherboard to indicators and switches on
the system case. Make sure that your case supports all the features required. Secondly, this
motherboard supports one or two floppy diskette drives and two enhanced IDE drives.
Make sure that your case has sufficient power and space for all drives that you intend to
install.
Most cases have a choice of I/O templates in the rear panel. Make sure that the I/O template
in the case matches the I/O ports installed on the rear edge of the motherboard.
This motherboard carries a Micro ATX form factor of 244 x 220 mm. Choose a case that
accommodates this form factor.
7
Installing the Motherboard in a Case
Refer to the following illustration and instructions for installing the motherboard in a case.
Most system cases have mounting brackets installed in the case, which correspond the holes
in the motherboard. Place the motherboard over the mounting brackets and secure the
motherboard onto the mounting brackets with screws.
Ensure that your case has an I/O template that supports the I/O ports and expansion slots
on your motherboard.
Installing the Motherboard
8
Do not over-tighten the screws as this can stress the motherboard.
Checking Jumper Settings
This section explains how to set jumpers for correct configuration of the motherboard.
Setting Jumpers
Use the motherboard jumpers to set system configuration options. Jumpers with more than
one pin are numbered. When setting the jumpers, ensure that the jumper caps are placed on
the correct pins.
The illustrations show a 2-pin jumper. When
the jumper cap is placed on both pins, the
jumper is SHORT. If you remove the jumper
cap, or place the jumper cap on just one pin,
the jumper is OPEN.
This illustration shows a 3-pin jumper. Pins
1 and 2 are SHORT
SHORT OPEN
Installing the Motherboard
Checking Jumper Settings
The following illustration shows the location of the motherboard jumpers. Pin 1 is labeled.
9
Jumper Settings
Jumper
CLR_CMOS1
Type
Description
3-pin
CLEAR CMOS
Installing the Motherboard
Setting (default)
1-2: NORMAL
2-3: CLEAR
Before clearing the CMOS,
make sure to turn off the system.
CLR_CMOS1
1
10
Connecting Case Components
After you have installed the motherboard into a case, you can begin connecting the motherboard components. Refer to the following:
1Connect the CPU cooling fan cable to CPU_FAN1.
2Connect the system cooling fan connector to SYS_FAN1.
3Connect the case switches and indicator LEDs to the PANEL1.
4Connect the standard power supply connector to ATX_POWER1.
5Connect the auxiliary case power supply connector to ATX12V1.
Connecting 20/24-pin power cable
Users please note that the 20-pin and 24-pin power cables can both be connected to the ATX1 connector. With the 20-pin power cable, just align the 20pin power cable with the pin 1 of the ATX1 connector. However, using 20-pin
power cable may cause the system to become unbootable or unstable because of
insufficient electricity. A minimum power of 300W is recommended for a fully-
With ATX v1.x power supply, users please
note that when installing 20-pin power cable,
the latche of power cable falls on the left side
of the ATX1 connector latch, just as the pic-
20-pin power cable
With ATX v2.x power supply, users please
note that when installing 24-pin power cable,
the latches of power cable and the ATX1
24-pin power cable
Installing the Motherboard
CPU_FAN1/SYS_FAN1: FAN Power Connectors
PinSignal NameFunction
1GNDGround
2+12VPower +12V
3 Sense Sensor
4ControlFAN Control Signal
Users please note that the fan connector supports the CPU cooling fan of
1.1A ~ 2.2A (26.4W max) at +12V.
ATX12V1: ATX 12V Power Connector
PinSignal Name
1Ground
2Ground
3+12V
4+12V
ATX_POWER1: ATX 24-pin Power Connector
Pin Signal Name Pin Signal Name
1+3.3V13+3.3V
2+3.3V14-12V
3Ground15Ground
4+5V16PS_ON
5Ground17Ground
6+5V18Ground
7Ground19Ground
8PWRGD20-5V
9+5VSB21 +5V
10+12V22+5V
11+12V23+5V
12+3.3V24Ground
11
Installing the Motherboard
12
Front Panel Connector
The front panel connector (PANEL1) provides a standard set of switch and LED connectors commonly found on ATX or micro-ATX cases. Refer to the table below for information:
PinSignalFunctionPinSignalFunction
1 HD_LED_P Hard disk LED+2 FP PWR/SLP *MSG LED+
3 HD_LED_N Hard disk LED-
5 RST_SW_N Reset Switch
7 RST_SW_P Reset Switch
9 RSVDReserved
* MSG LED (dual color or single color)
Hard Drive Activity LED
Connecting pins 1 and 3 to a front panel mounted LED provides visual indication that data
is being read from or written to the hard drive. For the LED to function properly, an IDE
drive should be connected to the onboard IDE interface. The LED will also show activity for
devices connected to the SCSI (hard drive activity LED) connector.
4 FP PWR/SLP *MSG LED-
6 PWR_SW_P Power Switch
8 PWR_SW_N Power Switch
10 Key No pin
Power/Sleep/Message waiting LED
Connecting pins 2 and 4 to a single or dual-color, front panel mounted LED provides power
on/off, sleep, and message waiting indication.
Reset Switch
Supporting the reset function requires connecting pin 5 and 7 to a momentary-contact
switch that is normally open. When the switch is closed, the board resets and runs POST.
Power Switch
Supporting the power on/off function requires connecting pins 6 and 8 to a momentarycontact switch that is normally open. The switch should maintain contact for at least 50 ms
to signal the power supply to switch on or off. The time requirement is due to internal debounce circuitry. After receiving a power on/off signal, at least two seconds elapses before
the power supply recognizes another on/off signal.
Installing the Motherboard
Installing Hardware
Installing the Processor
Caution: When installing a CPU heatsink and cooling fan make sure that
you DO NOT scratch the motherboard or any of the surface-mount
resistors with the clip of the cooling fan. If the clip of the cooling fan
scrapes across the motherboard, you may cause serious damage to the
motherboard or its components.
On most motherboards, there are small surface-mount resistors near the
processor socket, which may be damaged if the cooling fan is carelessly
installed.
Avoid using cooling fans with sharp edges on the fan casing and the clips.
Also, install the cooling fan in a well-lit work area so that you can clearly
see the motherboard and processor socket.
Before installing the Processor
This motherboard automatically determines the CPU clock frequency and system bus
frequency for the processor. You may be able to change these settings by making changes to
jumpers on the motherboard, or changing the settings in the system Setup Utility. We
strongly recommend that you do not over-clock processors or other components to run
faster than their rated speed.
Warning: Over-clocking components can adversely affect the reliability
of the system and introduce errors into your system. Over-clocking can
permanently damage the motherboard by generating excess heat in
components that are run beyond the rated limits.
13
This motherboard has a LGA775 processor socket. When choosing a processor, consider
the performance requirements of the system. Performance is based on the processor design,
the clock speed and system bus frequency of the processor, and the quantity of internal
cache memory and external cache memory.
Installing the Motherboard
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