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.
AMD, Athlon, Sempron and Duron are registered trademarks of AMD 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
Describes installation of motherboard
components.
Go to
Provides information on using the BIOS
Setup Utility.
Thank you for choosing the RS482-M motherboard. This motherboard is a high performance, enhanced function motherboard that supports Socket 939 AMD Sempron/Athlon
64/Athlon 64 FX CPUs for high-end business or personal desktop markets.
The motherboard incorporates the RS482 Northbridge (NB) and SB400 Southbridge (SB)
chipsets. The Northbridge supports the HyperTransport (HT) interface speeds up to
2000MT/s data rate. RS482 integrated an ATI RADEON X300-based graphics core, coupled
with a high speed HyperTransport interface for optimal 3D performance. This motherboard
supports two DDR Sockets with maximum memory size of 2 GB. One PCI Express x16 slot,
intended for Graphics Interface, is fully compliant to the PCI Express Base Specification
revision 1.0a.
The SB400 Southbridge supports three PCI slots which are PCI 2.3 compliant. It implements an EHCI compliant interface that provides 480Mb/s bandwidth for eight USB 2.0
ports (rear panel x 4, header x 4). Two onboard IDE connectors supports 4 IDE devices in
UDMA 133/100/66/33 mode. The Southbridge integrates a Serial ATA host controller that
is SATA v1.0 compliant, supporting four SATA ports with maximum transfer rate up to 150
MB/s each.
The RS482-M motherboard is equipped with advanced full set of I/O ports in the rear panel,
including PS/2 mouse and keyboard connectors, COM1, LPT1, VGA, four USB ports, one
optional LAN port, and audio jacks for microphone, line-in and line-out.
1
Introducing the Motherboard
2
Feature
Processor
The RS482-M uses an 939-pin socket that carries the following features:
•Accommodates AMD Sempron/Athlon64/Athlon 64 FX processors
•Supports up to 2000MT/s HyperTransport
HyperTransportTM Technology is a point-to-point link between two devices, it enables
integrated circuits to exchange information at much higher speeds than currently
available interconnect technologies.
TM
(HT) interface speeds
Chipset
The RS482 Northbridge (NB) and SB400 Southbridge (SB) chipsets are based on an
innovative and scalable architecture with proven reliability and performance.
This concludes Chapter 1. The next chapter explains how to install the motherboard.
Introducing the Motherboard
6
Memo
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,
RS482-M supports one or two floppy diskette drives and four 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 244 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_CMOS
BIOS_WP 2-pin
Type
3-pin
Description
CLEAR CMOS
BIOS WRITE
Setting (default)
1-2: CLEAR
2-3: NORMAL
Before clearing the
CMOS, make sure to
turn off the system.
OPEN: ENABLE
SHORT: DISABLE
Installing the Motherboard
CLR_CMOS
1
BIOS_WP
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_FAN.
2Connect the system cooling fan connector to SYS_FAN.
3Connect the power fan connector to PWR_FAN.
4Connect the case switches and indicator LEDs to the PANEL1.
5Connect the standard power supply connector to ATX_POWER.
6Connect the auxiliary case power supply connector to ATX12V.
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.
With ATX v1.x power supply, users please
note that when installing 20-pin power cable,
the latche of power cable clings to the left
20-pin power cable
24-pin power cable
side of the ATX_POWER connector latch,
just as the picture shows.
With ATX v2.x power supply, users please
note that when installing 24-pin power cable,
the latches of power cable clings to the right
side of the ATX_POWER connector latch.
Installing the Motherboard
CPU_FAN/SYS_F AN/PWR_FAN: F AN Power Connectors
PinSignal NameFunction
1GNDSystem Ground
2+12VPower +12V
3 Sense Sensor
ATX12V : A TX 12V Power Connector
PinSignal Name
1Ground
2Ground
3+12V
4+12V
ATX_POWER: A TX 24-pin Power Connector
Pin Signal Name Pin Signal Name
1+3.3V13+3.3V
2+3.3V14-12V
3Ground15GND
4+5V16PS_ON
5Ground17GND
6+5V18GND
7Ground19GND
8PWRGD20-5V
9+5VSB21 +5V
10+12V22+5V
11+12V23+5V
12+3.3V24GND
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 SATA (hard drive activity LED) connector.
4 FP PWR/SLP *MSG LED(-)
6 PWR_SW_P Power Switch(+)
8 PWR_SW_N Power Switch(-)
10 KeyNo 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 Socket 939 porcessor 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
14
CPU Installation Procedure
The following illustration shows CPU installation components.
1Install your CPU. Pull up the lever away from the
socket and lift up to 90-degree angle.
2Locate the CPU cut edge (the corner with the pin
hold noticeably missing). Align and insert the CPU
correctly.
3Press the lever down and apply thermal grease on
top of the CPU.
4Put the CPU Fan down on the retention module and
snap the four retention legs of the cooling fan into
place.
5Flip the levers over to lock the heat sink in place and
connect the CPU cooling Fan power cable to the
CPUFAN connector. This completes the installation.
To achieve better airflow rates and heat dissipation, we suggest that you use
a high quality fan with 4800 rpm at least. CPU fan and heatsink installation procedures may vary with the type of CPU fan/heatsink supplied. The
form and size of fan/heatsink may also vary.
Installing the Motherboard
Installing Memory Modules
This motherboard accomodates two memory modules. It can support two 184-pin 2.5V
unbuffered DIMM, DDR 400/333/266. The maximum memory capacity is 2GB.
DDR SDRAM memory module table
Memory moduleMemory Bus
DDR 266 133MHz
DDR 333 166MHz
DDR 400 200MHz
You must install at least one module in any of the two slots. Each module can be installed
with 256MB to 1GB of memory. Based on Dual DDR structure, when only one DDR
SDRAM DIMM is available, please insert it to DIMM1 slot, rather than DIMM2 slot, in
case that the system may not boot.
Do not remove any memory module from its antistatic packaging until you
are ready to install it on the motherboard. Handle the modules only by
their edges. Do not touch the components or metal parts. Always wear a
grounding strap when you handle the modules.
Installation Procedure
Refer to the following to install the memory modules.
1This motherboard supports unbuffered DDR SDRAM .
2Push the latches on each side of the DIMM slot down.
3Align the memory module with the slot. The DIMM slots are keyed with notches
and the DIMMs are keyed with cutouts so that they can only be installed
correctly.
4Check that the cutouts on the DIMM module edge connector match the notches
in the DIMM slot.
5Install the DIMM module into the slot and press it firmly down until it seats
correctly. The slot latches are levered upwards and latch on to the edges of
the DIMM.
N/A
Single rank
Double rank
Single rank
Double rank
Single rank
Double rank
N/A
N/A
Single rank
Double rank
Single rank
Double rank
Single rank
Double rank
Single rank
Double rank
Single rank
Double rank
Single rank
Double rank
Note for “*”: Memory types must be set to values consistent with system hardware.
Installing the Motherboard
Installing a Hard Dish Drive/CD-ROM/SA T A Hard Drive
This section describes how to install IDE devices such as a hard disk drive and a CD-ROM
drive.
About IDE Devices
Your motherboard has two IDE channel interfaces (IDE1 & IDE2). Two IDE ribbon cables
supporting four IDE devices is bundled with the motherboard.
You must orient the cable connector so that the pin1 (color) edge of the
cable correspoinds to the pin 1 of the I/O port connector.
IDE1: Primary IDE Connector
The first hard drive should always be connected to IDE1.
IDE2: Secondary IDE Connector
The second drive on this controller must be set to slave mode. The cinfiguration is the same
as IDE1.
17
IDE devices enclose jumpers or switches used to set the IDE device as MASTER or SLAVE.
Refer to the IDE device user’s manual. Installing two IDE devices on one cable, ensure that
one device is set to MASTER and the other device is set to SLAVE. The documentation of
your IDE device explains how to do this.
Installing the Motherboard
18
About SAT A Connectors
This motherboard features four SATA connectors supporting a total of four drives. SATA ,
or Serial ATA (Advanced Technology Attachment) is the standard interface for the IDE
hard drives which are currently used in most PCs. These connectors are well designed and
will only fit in one orientation. Locate the SATA connectors on the motherboard and follow
the illustration below to install the SATA hard drives.
Installing Serial A T A Hard Drives
To install the Serial ATA (SATA) hard drives, use the SATA cable that supports the Serial
ATA protocol. This SATA cable comes with an SATA power cable. You can connect either
end of the SATA cable to the SATA hard drive or the connector on the motherboard.
SATA cable
Refer to the illustration below for proper installation:
1Attach either cable end to the connector on the motherboard.
2Attach the other cable end to the SATA hard drive.
3Attach the SATA power cable to the SATA hard drive and connect the other
end to the power supply.
This motherboard does not support the “Hot-Plug” function.
(optional)
SATA power cable (optional)
Installing the Motherboard
Installing a Floppy Diskette Drive
The motherboard has a floppy diskette drive (FDD) interface and ships with a diskette drive
ribbon cable that supports one or two floppy diskette drives. You can install a 5.25-inch
drive and a 3.5-inch drive with various capacities. The floppy diskette drive cable has one
type of connector for a 5.25-inch drive and another type of connector for a 3.5-inch drive.
You must orient the cable connector so that the pin 1 (color) edge of the
cable corresponds to the pin 1 of the I/O port connector.
FDD: Floppy Disk Connector
This connector supports the provided floppy drive ribbon cable. After connecting the single
end to the onboard floppy connector, connect the remaining plugs on the other end to the
floppy drives correspondingly.
19
Installing the Motherboard
20
Installing Add-on Cards
The slots on this motherboard are designed to hold expansion cards and connect them to the
system bus. Expansion slots are a means of adding or enhancing the motherboard’s features
and capabilities. With these efficient facilities, you can increase the motherboard’s capabilities by adding hardware that performs tasks that are not part of the basic system.
PCIEX16
Slot
PCI 1~3
Slots
The PCI Express x16 slot is used to install an external PCI Express graphics
card that is fully compliant to the PCI Express Base Specification revision
1.0a.
This motherboard is equipped with three standard PCI slots. PCI stands for
Peripheral Component Interconnect and is a bus standard for expansion
cards, which for the most part, is a supplement of the older ISA bus standard.
The PCI slots on this board are PCI v2.3 compliant.
Before installing an add-on card, check the documentation for the card carefully.
If the card is not Plug and Play, you may have to manually configure the card
before installation.
Installing the Motherboard
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