Copyright Notice: No part of this installation guide may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation by the purchaser for backup purpose, without written consent of ASRock Inc. Products and corporate names appearing in this guide 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. Disclaimer: Specifications and information contained in this guide are furnished for informational use only and subject to change without notice, and should not be constructed as a commitment by ASRock. ASRock assumes no responsibility for any errors or omissions that may appear in this guide. With respect to the contents of this guide, ASRock does not provide warranty of any kind, either expressed or implied, including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose. In no event shall ASRock, 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 data, interruption of business and the like), even if ASRock has been advised of the possibility of such damages arising from any defect or error in the guide or product. 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. CALIFORNIA, USA ONLY The Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance controlled in Perchlorate Best Management Practices (BMP) regulations passed by the California Legislature. When you discard the Lithium battery in California, USA, please follow the related regulations in advance. "Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/perchlorate" ASRock Website: http://www.asrock.com Published July 2009 Copyright©2009 ASRock INC. All rights reserved. 1 ASRock M3A785GMH/128M Motherboard English Motherboard Layout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 PS2_USB_PW1 Jumper ATX 12V Power Connector (ATX12V1) CPU Fan Connector (CPU_FAN1) CPU Heatsink Retention Module AM3 CPU Socket 2 x 240-pin DDR3 DIMM Slots (Dual Channel A: DDR3_A1, DDR3_B1; Blue) 2 x 240-pin DDR3 DIMM Slots (Dual Channel B: DDR3_A2, DDR3_B2; White) ATX Power Connector (ATXPWR1) Primary IDE Connector (IDE1, Blue) Power Fan Connector (PWR_FAN1) USB 2.0 Header (USB4_5, Blue) USB 2.0 Header (USB6_7, Blue) USB 2.0 Header (USB8_9, Blue) Southbridge Controller Chassis Fan Connector (CHA_FAN1) Fifth SATAII Connector (SATAII_5 (PORT 4)) Fourth SATAII Connector (SATAII_4 (PORT3)) Third SATAII Connector (SATAII_3 (PORT 2)) 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Secondary SATAII Connector (SATAII_2 (PORT 1)) Primary SATAII Connector (SATAII_1 (PORT 0)) Chassis Speaker Header (SPEAKER 1, Purple) Clear CMOS Jumper (CLRCMOS1) System Panel Header (PANEL1, Orange) SPI Flash Memory (8Mb) Floppy Connector (FLOPPY1) Serial Port Connector (COM1) Internal Audio Connector: CD1 (Black) Front Panel Audio Header (HD_AUDIO1, Lime) Infrared Module Header (IR1) PCI Slots (PCI1- 2) PCI Express 2.0 x16 Slot (PCIE2; Green) Northbridge Controller PCI Express 2.0 x1 Slot (PCIE1; Green) English 2 ASRock M3A785GMH/128M Motherboard Panel I/O Panel 1 2 *3 4 5 6 ** 7 USB 2.0 Ports (USB23) VGA/D-Sub Port LAN RJ-45 Port Central / Bass (Orange) Rear Speaker (Black) Line In (Light Blue) Front Speaker (Lime) 8 9 10 11 *** 12 13 14 Microphone (Pink) Optical SPDIF Out Port USB 2.0 Ports (USB01) Powered eSATAII/USB Connector HDMI Port VGA/DVI-D Port PS/2 Keyboard Port (Purple) * There are two LED next to the LAN port. Please refer to the table below for the LAN port LED indications. LAN Port LED Indications Activity/Link LED Status Description Status SPEED LED Description ACT/LINK SPEED LED LED Off No Link Blinking Data Activity On Link Off Orange Green 10Mbps connection 100Mbps connection 1Gbps connection LAN Port ** If you use 2-channel speaker, please connect the speaker's plug into "Front Speaker Jack". See the table below for connection details in accordance with the type of speaker you use. TABLE for Audio Output Connection Audio Output Channels Front Speaker Rear Speaker (No. 7) (No. 5) 2 V -4 V V 6 V V 8 V V Central / Bass (No. 4) --V V Line In (No. 6) ---V *** To support AC3 audio format with HDMI Audio under VistaTM, please install the HDMI audio driver in XP support CD AAX785M-10. The driver is located under the path: ..\Drivers\NB Audio\REALTEK\XP64_XP(R1.68) And note for LPCM support up to stereo 2 channels only. 3 ASRock M3A785GMH/128M Motherboard English 1. Introduction Thank you for purchasing ASRock M3A785GMH/128M motherboard, a reliable motherboard produced under ASRock's consistently stringent quality control. It delivers excellent performance with robust design conforming to ASRock's commitment to quality and endurance. In this manual, chapter 1 and 2 contain introduction of the motherboard and step-by-step guide to the hardware installation. Chapter 3 and 4 contain the configuration guide to BIOS setup and information of the Support CD. Because the motherboard specifications and the BIOS software might be updated, the content of this manual will be subject to change without notice. In case any modifications of this manual occur, the updated version will be available on ASRock website without further notice. You may find the latest VGA cards and CPU support lists on ASRock website as well. ASRock website http://www.asrock.com If you require technical support related to this motherboard, please visit our website for specific information about the model you are using. www.asrock.com/support/index.asp 1.1 Package Contents 1 x ASRock M3A785GMH/128M Motherboard (Micro ATX Form Factor: 9.6-in x 8.6-in, 24.4 cm x 21.8 cm) 1 x ASRock M3A785GMH/128M Quick Installation Guide 2 x ASRock M3A785GMH/128M Support CD 1 x Ultra ATA 66/100/133 IDE Ribbon Cable (80-conductor) 2 x Serial ATA (SATA) Data Cables (Optional) 1 x I/O Panel Shield English 4 ASRock M3A785GMH/128M Motherboard 1.2 Specifications - Micro ATX Form Factor: 9.6-in x 8.6-in, 24.4 cm x 21.8 cm - Solid Capacitor for CPU power - Support for Socket AM3 processors: AMD PhenomTM II X4 / X3 / X2 (except 920 / 940) and Athlon II X4 / X3 / X2 processors - Supports AMD OverDriveTM with ACC feature (Advanced Clock Calibration) - AMD LIVE!TM Ready - Supports AMD's Cool `n' QuietTM Technology - FSB 2600 MHz (5.2 GT/s) - Supports Untied Overclocking Technology (see CAUTION 1) - Supports Hyper-Transport 3.0 (HT 3.0) Technology - Northbridge: AMD 785G - Southbridge: AMD SB710 - Dual Channel DDR3 Memory Technology (see CAUTION 2) - 4 x DDR3 DIMM slots - Support DDR3 1600/1333/1066/800 non-ECC, un-buffered memory (see CAUTION 3) - Max. capacity of system memory: 16GB (see CAUTION 4) - 1 x PCI Express 2.0 x16 slot (green @ x16 mode) - 1 x PCI Express 2.0 x1 slot - 2 x PCI slots - Supports Hybrid CrossFireXTM - Integrated AMD Radeon HD 4200 graphics - DX10.1 class iGPU, Shader Model 4.1 - Max. shared memory 512MB (see CAUTION 5) - Built-in 128MB DDR3 1333(OC)/1200MHz SidePort Memory - Three VGA Output options: D-Sub, DVI-D and HDMI - Supports HDCP function - Supports Full HD 1080p Blu-ray (BD) / HD-DVD playback (see CAUTION 6) - 7.1 CH Windows® VistaTM Premium Level HD Audio (Realtek ALC888 Audio Codec) - PCIE x1 Gigabit LAN 10/100/1000 Mb/s - Realtek RTL8111DL - Supports Wake-On-LAN I/O Panel - 1 x PS/2 Keyboard Port - 1 x VGA/D-Sub Port Platform CPU Chipset Memory Expansion Slot Graphics Audio LAN Rear Panel I/O 5 ASRock M3A785GMH/128M Motherboard English Connector BIOS Feature Support CD Unique Feature - 1 x VGA/DVI-D Port - 1 x HDMI Port - 1 x Optical SPDIF Out Port - 1 x eSATAII Port - 4 x Ready-to-Use USB 2.0 Ports - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) - HD Audio Jack: Rear Speaker/Central/Bass/Line in/Front Speaker/Microphone (see CAUTION 7) - 5 x Serial ATAII 3.0Gb/s connectors, support RAID (RAID 0, RAID 1, RAID 10 and JBOD), NCQ, AHCI and "Hot Plug" functions (see CAUTION 8) - 1 x ATA133 IDE connector (supports 2 x IDE devices) - 1 x Floppy connector - 1 x IR header - 1 x COM port header - CPU/Chassis/Power FAN connector - 24 pin ATX power connector - 4 pin 12V power connector - CD in header - Front panel audio connector - 3 x USB 2.0 headers (support 6 USB 2.0 ports) (see CAUTION 9) - 8Mb AMI BIOS - AMI Legal BIOS - Supports "Plug and Play" - ACPI 1.1 Compliance Wake Up Events - Supports jumperfree - SMBIOS 2.3.1 Support - VCCM, NB Voltage Multi-adjustment - Supports Smart BIOS - Drivers, Utilities, AntiVirus Software (Trial Version), AMD OverDriveTM Utility, AMD Live! Explorer, AMD Fusion - ASRock OC Tuner (see CAUTION 10) - Intelligent Energy Saver (see CAUTION 11) - Instant Boot - ASRock Instant Flash (see CAUTION 12) - Hybrid Booster: - CPU Frequency Stepless Control (see CAUTION 13) - ASRock U-COP (see CAUTION 14) - Boot Failure Guard (B.F.G.) English English English 6 ASRock M3A785GMH/128M Motherboard Hardware Monitor OS Certifications - CPU Temperature Sensing - Chassis Temperature Sensing - CPU/Chassis/Power Fan Tachometer - CPU Quiet Fan - Voltage Monitoring: +12V, +5V, +3.3V, Vcore - Microsoft® Windows® XP / XP Media Center / XP 64-bit / VistaTM / VistaTM 64-bit compliant - FCC, CE, Microsoft® WHQL Certificated - EuP Ready (EuP ready power supply is required) (see CAUTION 15) * For detailed product information, please visit our website: http://www.asrock.com WARNING Please realize that there is a certain risk involved with overclocking, including adjusting the setting in the BIOS, applying Untied Overclocking Technology, or using the thirdparty overclocking tools. Overclocking may affect your system stability, or even cause damage to the components and devices of your system. It should be done at your own risk and expense. We are not responsible for possible damage caused by overclocking. CAUTION! 1. 2. This motherboard supports Untied Overclocking Technology. Please read "Untied Overclocking Technology" on page 28 for details. This motherboard supports Dual Channel Memory Technology. Before you implement Dual Channel Memory Technology, make sure to read the installation guide of memory modules on page 14 for proper installation. Whether 1600MHz memory speed is supported depends on the AM3 CPU you adopt. If you want to adopt DDR3 1600 memory module on this motherboard, please refer to the memory support list on our website for the compatible memory modules. ASRock website http://www.asrock.com Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® XP and Windows® VistaTM. For Windows® XP 64-bit and Windows® VistaTM 64bit with 64-bit CPU, there is no such limitation. The maximum shared memory size is defined by the chipset vendor and is subject to change. Please check AMD website for the latest information. 1080p Blu-ray (BD) / HD-DVD playback support on this motherboard requires the proper hardware configuration. Please refer to page 10 and 11 for the minimum hardware requirement and the passed 1080p Blu-ray (BD) / HD-DVD films in our lab test. 3. 4. 6. 7 ASRock M3A785GMH/128M Motherboard English 5. For microphone input, this motherboard supports both stereo and mono modes. For audio output, this motherboard supports 2-channel, 4-channel, 6-channel, and 8-channel modes. Please check the table on page 3 for proper connection. 8. Before installing SATAII hard disk to SATAII connector, please read the "SATAII Hard Disk Setup Guide" on page 30 of "User Manual" in the support CD to adjust your SATAII hard disk drive to SATAII mode. You can also connect SATA hard disk to SATAII connector directly. 9. Power Management for USB 2.0 works fine under Microsoft® Windows® VistaTM 64-bit / VistaTM / XP 64-bit / XP SP1 or SP2. 10. It is a user-friendly ASRock overclocking tool which allows you to surveil your system by hardware monitor function and overclock your hardware devices to get the best system performance under Windows® environment. Please visit our website for the operation procedures of ASRock OC Tuner. ASRock website: http://www.asrock.com 11. Featuring an advanced proprietary hardware and software design, Intelligent Energy Saver is a revolutionary technology that delivers unparalleled power savings. The voltage regulator can reduce the number of output phases to improve efficiency when the CPU cores are idle. In other words, it is able to provide exceptional power saving and improve power efficiency without sacrificing computing pe ...