MSI MS-7646M1 User Manual

MS-7646M1 (V1.X) Mainboard

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Copyright Notice

The material in this document is the intellectual property of the company. We take
every care in the preparation of this document, but no guarantee is given as to the
correctness of its contents. Our products are under continual improvement and we
reserve the right to make changes without notice.

Trademarks

All trademarks are the properties of their respective owners.

Intel® and Pentium® are registered trademarks of Intel Corporation.
AMD, Athlon™, Athlon™ XP, Thoroughbred™, and Duron™ are registered trade­marks of AMD Corporation.
NVIDIA, the NVIDIA logo, DualNet, and nForce are registered trademarks or trade­marks of NVIDIA Corporation in the United States and/or other countries.
PS/2 and OS®/2 are registered trademarks of International Business Machines
Corporation.
Windows® 95/98/2000/NT/XP are registered trademarks of Microsoft Corporation.
Netware® is a registered trademark of Novell, Inc.
Award® is a registered trademark of Phoenix Technologies Ltd.
AMI® is a registered trademark of American Megatrends Inc.

Revision History

Revision Revision History Date
V1.0 First Release February 2010

Technical Support

If a problem arises with your system and no solution can be obtained from the user’s
manual, please contact your place of purchase or local distributor. Alternatively,
please try the following help resources for further guidance.

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Safety Instructions

1. Always read the safety instructions carefully.

2. Keep this User’s Manual for future reference.

3. Keep this equipment away from humidity.

4. Lay this equipment on a reliable flat surface before setting it up.

5. The openings on the enclosure are for air convection hence protects the equip
ment from overheating. DO NOT COVER THE OPENINGS.

6. Make sure the voltage of the power source and adjust properly 110/220V be
fore connecting the equipment to the power inlet.

7. Place the power cord such a way that people can not step on it. Do not place
anything over the power cord.

8. Always Unplug the Power Cord before inserting any add-on card or module.

9. All cautions and warnings on the equipment should be noted.

10. Never pour any liquid into the opening that could damage or cause electrical
shock.

11. If any of the following situations arises, get the equipment checked by service
personnel:

The power cord or plug is damaged.
Liquid has penetrated into the equipment.
The equipment has been exposed to moisture.
The equipment does not work well or you can not get it work according to

User’s Manual.

The equipment has dropped and damaged.
The equipment has obvious sign of breakage.

12. DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT UNCONDITIONED, STOR
AGE TEMPERATURE ABOVE 600 C (1400F), IT MAY DAMAGE THE EQUIPMENT.

CAUTION: Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the
manufacturer.

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FCC-B Radio Frequency Interference Statement

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 measures listed
below.

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which

the receiver is connected.

Consult the dealer or an experienced radio/television technician for help.

Notice 1

The changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.

Notice 2

Shielded interface cables and A.C. power cord, if any, must be used in order to
comply with the emission limits.

VOIR LA NOTICE D’INSTALLATION AVANT DE RACCORDER AU RESEAU.

This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.

MS-7646M1

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CONTENTS

Copyright Notice..........................................................................................................ii

Trademarks..................................................................................................................ii

Revision History..........................................................................................................ii

Technical Support.......................................................................................................ii

Safety Instructions....................................................................................................iii

FCC-B Radio Frequency Interference Statement.............................................iv

Chapter 1 Getting Started.....................................................................................1-1

Mainboard Specifications.......................................................................1-2

Chapter 2 Hardware Setup...................................................................................2-1

Mainboard Layout...................................................................................2-2

CPU (Central Processing Unit)...............................................................2-3

Memory....................................................................................................2-6

Power Supply..........................................................................................2-8

Back Panel...............................................................................................2-9

Connector...............................................................................................2-11

Jumper...................................................................................................2-16

Slot.........................................................................................................2-17

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Getting Started

Chapter 1

Getting Started

Thank you for choosing the MS-7646M1 (V1.X) Micro­ATX mainboard. The MS-7646M1 (V1.X) is based on
AMD® RX780 & SB710 chipsets for optimal system
efficiency. Designed to fit the advanced AMD® Phenom/
Athlon 64/ Sempron processors in Socket AM3, the
MS-7646M1 (V1.X) delivers a high performance and
professional desktop platform solution.

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MS-7646M1 Mainboard

Mainboard Specifications

Processor

- Supports 95W AMD® Phenom/ Athlon 64/ Sempron processors

- Supports 4-pin CPU fan pinheader with Fan Speed Control

FSB

- Hyper Transport supports up to 3.0GHz

Chipset

- North Bridge: AMD® RX780

- South Bridge: AMD® SB710

Memory

- DDR3 533/ 667/ 800/ 1066/ 1333 SDRAM (240 pins/ 1.5V)

- 4 DDR3 DIMM slots (8GB Max)

LAN

- Gigabit Fast Ethernet by Realtek® RTL8111DL

IEEE 1394

- Chip integrated by JMicron® JMB381

- Transfer rate is up to 400Mb/s

Audio

- Chip integrated by Realtek® ALC888S

- Flexible 8-channel audio with jack sensing

- Compliant with Azalia 1.0 Spec

SATA

- 6 SATA II ports by AMD® SB710

- Supports 6 SATA devices

- Supports storage and data transfers up to 3Gb/s

RAID

- SATA1~6 support RAID 0/ 1/ 0+1 or JBOD mode by AMD® SB710

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Connectors
Back Panel

- 1 PS/2 mouse port

- 1 PS/2 keyboard port

- 1 LAN jack

- 4 USB ports

- 5 audio jacks

- 1 optical S/PDIF-out jack

- 1 IEEE 1394 port (Optional)

On-Board Pinheader/ Connector

- 3 USB pinheaders

- 1 CD-in connector

- 1 IEEE 1394 pinheader (Optional)

- 1 front panel audio pinheader

- 1 S/PDIF-out pinheader (for HDMI Audio)

Getting Started

Slots

- 1 PCI express x16 slot

- 2 PCI express x1 slot

- 1 PCI slot supports 3.3 V/ 5 V PCI bus interface

Form Factor

- Micro-ATX (24.4cm X 24.4 cm)

Mounting

- 8 mounting holes

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