Instruction/ maintenance manual of the product M3A785GMH/128M Asrock
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1 1 1 1 1 M3A785GMH/128M User Ma nual V ersion 1.0 Published July 2009 Copyright©2009 ASRock INC. All rights reserved..
2 2 2 2 2 Copyright Notice: Copyright Notice: Copyright Notice: Copyright Notice: Copyright Notice: No part of this manual may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation by the purcha ser for ba ckup purpose, without written consent of ASRock Inc.
3 3 3 3 3 Contents Contents Contents Contents Contents 1. 1. 1. 1. 1. Introduction Introduction Introduction Introduction Introduction ........................................................... ........................................................
4 4 4 4 4 3. 3. 3. 3. 3. BIOS S BIOS S BIOS S BIOS S BIOS S ETUP UTILITY ETUP UTILITY ETUP UTILITY ETUP UTILITY ETUP UTILITY ................................................... ................................................... ......................
5 5 5 5 5 1. 1. 1. 1. 1. Introduction Introduction Introduction Introduction Introduction Tha nk you for purcha sing ASRock M3A785GMH/128M motherboard, a relia ble motherboard produced under ASRock’s consistently stringent quality control.
6 6 6 6 6 1.2 1.2 1.2 1.2 1.2 Specifications Specifications Specifications Specifications Specifications Platform - Micro A TX Form Fa ctor: 9.6-in x 8.
7 7 7 7 7 - 1 x V GA/D VI-D Port - 1 x HDMI Port - 1 x Optical SPDIF Out Port - 1 x eSA T AII 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: Re ar Speaker/Central/Ba ss/Line in/Front Speaker/Microphone (see CAUTION 7 ) Connector - 5 x Serial A T AII 3.
8 8 8 8 8 WARNING Plea se realize that there is a certain risk involved with overclocking, including adjusting the setting in the BIOS, a pplying U ntied Overclocking T e chnology , or using the third- party overclocking tools. Overclocking may affect your system stability, or even cause da mage to the components and devices of your system.
9 9 9 9 9 7. For microphone input, this motherboard supports both stereo and mono modes. For audio output, this motherboard supports 2-channel, 4-channel, 6-channel, a nd 8-channel mode s.
10 10 10 10 10 15 . EuP , stands f or Energy Using Product, wa s a provision regulated by European Union to define the power consumption for the completed system. According to EuP, the total AC power of the completed system shall be under 1.00W in of f mode condition.
11 11 11 11 11 1.3 1.3 1.3 1.3 1.3 Minimum Hardware Requirement for 1080p Blu-ray Minimum Hardware Requirement for 1080p Blu-ray Minimum Hardware Requirement for 1080p Blu-ray Minimum Hardware Require.
12 12 12 12 12 1.4 1.4 1.4 1.4 1.4 Passed 1080p Blu-ray (BD) / HD-DVD Films in Our Lab Passed 1080p Blu-ray (BD) / HD-DVD Films in Our Lab Passed 1080p Blu-ray (BD) / HD-DVD Films in Our Lab Passed 10.
13 13 13 13 13 1.5 Motherboard Layout 1.5 Motherboard Layout 1.5 Motherboard Layout 1.5 Motherboard Layout 1.5 Motherboard Layout Super I/O CMOS BATTERY A TXPWR1 SOCKET AM3 CD1 AMD 785G Chipset ATX12V.
14 14 14 14 14 6 7 1 2 4 5 8 9 10 12 13 14 11 3 1.6 1.6 1.6 1.6 1.6 I/O P I/O P I/O P I/O P I/O P anel anel anel anel anel ** If you use 2-channel spe a ker, plea se connect the spea ker’s plug into “Front Spea ker Jack”. See the table below for connection details in accordance with the type of speaker you use.
15 15 15 15 15 2. 2. 2. 2. 2. Installation Installation Installation Installation Installation This is a Micro A TX f orm fa ctor (9.6-in x 8.6-in, 24.4 cm x 21.8 cm) motherboard. Before you in stall the motherboard, study the configuration of your cha ssis to en- sure that the motherboard fits into it.
16 16 16 16 16 2.1 2.1 2.1 2.1 2.1 CPU Installation CPU Installation CPU Installation CPU Installation CPU Installation Step 1. U nlock the socket by lifting the lever up to a 90 o a ngle. Step 2. Position the CPU directly above the socket such that the CPU corner with the golden triangle matches the socket corner with a small triangle.
17 17 17 17 17 2.3 Installation of Memory Modules (DIMM) 2.3 Installation of Memory Modules (DIMM) 2.3 Installation of Memory Modules (DIMM) 2.3 Installation of Memory Modules (DIMM) 2.3 Installation of Memory Modules (DIMM) This motherboard provides four 240-pin DDR3 (Double Data Rate 3) DIMM slots, a nd supports Dual Cha nnel Memory T echnology .
18 18 18 18 18 notch break notch break Installing a DIMM Installing a DIMM Installing a DIMM Installing a DIMM Installing a DIMM Plea se ma ke sure to disconnect power supply before adding or removing DIMMs or the system components. Step 1. U nlock a DIMM slot by pre ssing the retaining clips outward.
19 19 19 19 19 2.4 Expansion Slots (PCI and PCI Express Slots) 2.4 Expansion Slots (PCI and PCI Express Slots) 2.4 Expansion Slots (PCI and PCI Express Slots) 2.4 Expansion Slots (PCI and PCI Express Slots) 2.4 Expansion Slots (PCI and PCI Express Slots) There are 2 PCI slots and 2 PCI Express slots on this motherboard.
20 20 20 20 20 2. If you have installed onboard V GA driver from our support CD to your system already , you ca n freely enjoy the benefits of multi monitor function after your system boots. If you haven’t installed onboard V GA driver yet, ple a se install onboard V GA driver from our support CD to your system a nd re start your computer .
21 21 21 21 21 Surround Display Feature This motherboard supports surround display upgrade. With the internal V GA output support (D VI-D, D-Sub a nd HDMI) and external add-on PCI Express V GA card, you ca n ea sily enjoy the benefits of surround display feature.
22 22 22 22 22 HDCP Function HDCP function is supported on this motherboard. T o use HDCP function with this motherboard, you need to adopt the monitor that supports HDCP function a s well. Theref ore, you ca n enjoy the superior display quality with high-definition HDCP encryption contents.
23 23 23 23 23 2.6 2.6 2.6 2.6 2.6 A A A A A TI TI TI TI TI TM TM TM TM TM Hybrid CrossF Hybrid CrossF Hybrid CrossF Hybrid CrossF Hybrid CrossF ireX ireX ireX ireX ireX TM TM TM TM TM Operation Guide Operation Guide Operation Guide Operation Guide Operation Guide This motherboard supports A TI TM Hybrid CrossFireX TM feature.
24 24 24 24 24 * Hybrid CrossFireX TM a ppearing here is a registered trademark of A TI TM T echnologies Inc., and is used only f or identification or expla nation a nd to the owners’ benefit, without intent to infringe. * For further information of A TI TM Hybrid CrossFireX TM technology , plea se check AMD website for up dates a nd details.
25 25 25 25 25 +5V 1_2 +5VSB 2_3 2.7 2.7 2.7 2.7 2.7 Jumpers Setup Jumpers Setup Jumpers Setup Jumpers Setup Jumpers Setup The illustration shows how jumpers are setup. When the jumper ca p is placed on pin s, the jumper is “Short”. If no jumper ca p is placed on pins, the jumper is “Open”.
26 26 26 26 26 FLOPPY 1 Pin 1 the red-striped side to Pin1 2.8 Onboard Headers and Connectors 2.8 Onboard Headers and Connectors 2.8 Onboard Headers and Connectors 2.8 Onboard Headers and Connectors 2.8 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers.
27 27 27 27 27 CD-L GND GND CD-R CD1 Internal Audio Connectors This connector allows you (4-pin CD1) to receive stereo audio input (CD1: see p.13 No. 27) from sound sources such a s a CD-ROM, D V D-ROM, TV tuner card, or MPEG card.
28 28 28 28 28 + 5 V D UMMY D UMMY SPEAKE R 1 G N D PW RB TN# PLE D - PLE D + D UMMY R ESET# G N D H D LE D + H D LE D - 1 System Pa nel Header This header a ccommodates (9-pin P ANEL1) several system front pa nel (see p.13 No. 23) functions. Cha ssis Speaker He ader Please connect the cha ssis (4-pin SPEAKER 1) speaker to this header.
29 29 29 29 29 Though this motherboard provide s 24-pin A TX power connector , it ca n still work if you adopt a traditional 20-pin ATX power supply . T o use the 20-pin A TX power supply , plea se plug your power supply along with Pin 1 a nd Pin 13. A TX Power Connector Plea se connect an A TX power (24-pin A TXPWR1) supply to this connector.
30 30 30 30 30 2.9 2.9 2.9 2.9 2.9 SA SA SA SA SA T T T T T AII Hard Disk Setup Guide AII Hard Disk Setup Guide AII Hard Disk Setup Guide AII Hard Disk Setup Guide AII Hard Disk Setup Guide Before installing SA T AII hard disk to your computer , plea se carefully read below SA T AII hard disk setup guide.
31 31 31 31 31 2.11 Hot Plug and Hot Swap F 2.11 Hot Plug and Hot Swap F 2.11 Hot Plug and Hot Swap F 2.11 Hot Plug and Hot Swap F 2.11 Hot Plug and Hot Swap F unctions for SA unctions for SA unctions.
32 32 32 32 32 Caution 1. Without SA T A 15-pin power connector interfa ce, the SA T A / SA T AII Hot Plug cannot be processed. 2. Even some SA T A / SA T AII HDDs provide both SA T A 15-pin power con.
33 33 33 33 33 How to Hot Plug a SA T A / SA T AII HDD: Points of attention, before you process the Hot Plug: Plea se do follow below instruction sequence to process the Hot Plug, i mproper procedure will cause the SA T A / SA T AII HDD da mage a nd data loss.
34 34 34 34 34 2.13 2.13 2.13 2.13 2.13 Driver Installation Guide Driver Installation Guide Driver Installation Guide Driver Installation Guide Driver Installation Guide T o install the drivers to your system, plea se insert the support CD to your optical drive first.
35 35 35 35 35 NOTE. If you install Windows ® XP / Windows ® XP 64-bit on IDE HDDs a nd want to ma nage (create, convert, delete, or rebuild) RAID functions on SA T A / SA T AII HDDs, you still need to set up “SA T A Operation Mode” to [RAID] first.
36 36 36 36 36 2.15 2.15 2.15 2.15 2.15 Installing Windows Installing Windows Installing Windows Installing Windows Installing Windows ® ® ® ® ® XP / XP 64-bit / Vista XP / XP 64-bit / Vista XP /.
37 37 37 37 37 2.15.2 Installing Windows 2.15.2 Installing Windows 2.15.2 Installing Windows 2.15.2 Installing Windows 2.15.2 Installing Windows ® ® ® ® ® Vista Vista Vista Vista Vista TM TM TM T.
38 38 38 38 38 2.16 2.16 2.16 2.16 2.16 Untied Overclocking T Untied Overclocking T Untied Overclocking T Untied Overclocking T Untied Overclocking T echnology echnology echnology echnology echnology This motherboard supports U ntied Overclocking T echnology , which mea ns during overclocking, FSB enjoys better margin due to fixed PCI / PCIE buses.
39 39 39 39 39 3. 3. 3. 3. 3. BIOS SETUP UTILITY BIOS SETUP UTILITY BIOS SETUP UTILITY BIOS SETUP UTILITY BIOS SETUP UTILITY 3.1 Introduction 3.1 Introduction 3.1 Introduction 3.1 Introduction 3.1 Introduction This section explains how to use the BIOS SETUP UTILITY to configure your system.
40 40 40 40 40 BIOS SETUP UTILITY Main OC Tweaker H/W Monitor Boot Security Exit Advanced Use [Enter], [T AB] or [SHIFT -T AB] to select a field. Use [+] or [-] to configure system Time. Select Screen Select Item +- Change Field T ab Select Field F1 General Help F9 Load Defaults F10 Save and Exit ESC Exit v02.
41 41 41 41 41 3.3 3.3 3.3 3.3 3.3 OC T OC T OC T OC T OC T weak weak weak weak weak er Screen er Screen er Screen er Screen er Screen In the OC T wea ker screen, you can set up overclocking fe atures. BIOS SETUP UTILITY Main Advanced H/W Monitor Boot Security Exit Overclocking may cause damage to your CPU and motherboard.
42 42 42 42 42 Proce ssor Maximum V oltage It will display Processor Maxi mum V oltage for reference. Multiplier/V oltage Change This item is set to [Auto] by default. If it is set to [Manual], you may adjust the value of Processor Frequency a nd Processor V oltage.
43 43 43 43 43 CPU Thermal Throttle Use this item to enable CPU internal thermal control mechanism to keep the CPU from overheated. Configuration options: [Disabled], [Auto], [12.5%], [25%], [37.5%], [50%], [62.5%], [75%] and [87.5%]. The default value is [Auto].
44 44 44 44 44 CAS Latency (CL) Use this item to a djust the mea ns of memory a ccessing. Configuration options: [Auto], [4CLK] to [12CLK]. The default value is [Auto]. TRCD Use this to adjust TRCD values. Configuration options: [Auto], [5CLK] to [12CLK].
45 45 45 45 45 TRFC0 Use this to adjust TRFC0 values. Configuration options: [Auto], [90ns], [1 10ns], [160ns], [300ns] a nd [350ns]. The default value is [Auto]. TRFC1 Use this to adjust TRFC1 values. Configuration options: [Auto], [90ns], [1 10ns], [160ns], [300ns] a nd [350ns].
46 46 46 46 46 CHA CS/ODT Drive Strength Use this to adjust value s for CHA CS/ODT Drive Strength. Configuration options: [Auto], [1.00x], [1.25x], [1.50x] and [2.00x]. The default value is [Auto]. CHA ODDR/CMD Drive Strength Use this to adjust value s for CHA ODDR/CMD Drive Strength.
47 47 47 47 47 CHB Processor ODT Use this to adjust values for CHB Processor ODT. Configuration options: [Auto], [240 ohms], [120 ohms] and [60 ohms]. The default value is [Auto]. Chipset Settings SidePort Clock Speed This allows you to select sideport clock speed.
48 48 48 48 48 3.4 3.4 3.4 3.4 3.4 Advanced Screen Advanced Screen Advanced Screen Advanced Screen Advanced Screen In this section, you may set the configurations for the following items: CPU Configur.
49 49 49 49 49 Boot Failure Guard Enable or disa ble the feature of Boot Failure Guard. Cool ‘n’ Quiet Use this item to ena ble or disable AMD’s Cool ‘n’ Quiet TM technology . The default value is [Auto]. Configuration options: [Auto], [Enabled] and [Disabled].
50 50 50 50 50 BIOS SETUP UTILITY v02.54 (C) Copyright 1985-2003, American Megatrends, Inc. Chipset Settings Onboard HD Audio Front Panel CD-In OnBoard Lan Graphics Adapter Share Memory Onboard HDMI H.
51 51 51 51 51 Onboard HDMI HD Audio This allows you to enable or disa ble the onboard HDMI HD Audio in AMD 785G. Surround View This allows you to enable or disable the Surround View feature or Hybrid CrossFireX TM feature.
52 52 52 52 52 BIOS SETUP UTILITY ACPI Settings Select auto-detect or disable the STR feature. Select Screen Select Item +- Change Option F1 General Help F9 Load Defaults F10 Save and Exit ESC Exit v02.54 (C) Copyright 1985-2003, American Megatrends, Inc.
53 53 53 53 53 BIOS SETUP UTILITY Storage Configuration v02.54 (C) Copyright 1985-2003, American Megatrends, Inc. Advanced Onboard SAT A Controller SA T A Operation Mode IDE1 Master IDE1 Slave SA T AI.
54 54 54 54 54 TYPE Use this item to configure the type of the IDE device that you specify. Configuration options: [Not In stalled], [Auto], [CD/D V D], a nd [ARMD]. [Not Installed]: Select [Not Installed] to disable the use of IDE device. [Auto]: Select [Auto] to automatically detect the hard disk drive.
55 55 55 55 55 BIOS SETUP UTILITY Advanced PCI / PnP Settings V alue in units of PCI clocks for PCI device latency timer regi ste r . Select Screen Select Item +- Change Option F1 General Help F9 Load Defaults F10 Save and Exit ESC Exit v02.54 (C) Copyright 1985-2003, American Megatrends, Inc.
56 56 56 56 56 BIOS SETUP UTILITY Floppy Configuration Select the type of floppy drive connected to the system. Select Screen Select Item +- Change Option F1 General Help F9 Load Defaults F10 Save and Exit ESC Exit v02.54 (C) Copyright 1985-2003, American Megatrends, Inc.
57 57 57 57 57 BIOS SETUP UTILITY USB Configuration T o enable or disable the onboard USB controllers. Select Screen Select Item +- Change Option F1 General Help F9 Load Defaults F10 Save and Exit ESC Exit v02.54 (C) Copyright 1985-2003, American Megatrends, Inc.
58 58 58 58 58 BIOS SETUP UTILITY Hardware Health Event Monitoring Select Screen Select Item F1 General Help F9 Load Defaults F10 Save and Exit ESC Exit v02.54 (C) Copyright 1985-2003, American Megatrends, Inc. CPU T emperature M / B T emperature CPU Fan Speed Chassis Fan Speed Vcore + 3.
59 59 59 59 59 BIOS SETUP UTILITY Main OC T weaker Advanced H/W Monitor Security Exit Boot Settings Configure Settings during System Boot. Select Screen Select Item Enter Go to Sub Screen F1 General Help F9 Load Defaults F10 Save and Exit ESC Exit v02.
60 60 60 60 60 BIOS SETUP UTILITY Main OC T weaker Advanced H/W Monitor Boot Exit Install or Change the password. Select Screen Select Item Enter Change F1 General Help F10 Save and Exit ESC Exit F9 Load Defaults v02.54 (C) Copyright 1985-2005, American Megatrends, Inc.
61 61 61 61 61 BIOS SETUP UTILITY Main OC T weaker Advanced H/W Monitor Boot Security Exit system setup after saving the changes. F10 key can be used for this operation. Select Screen Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit F9 Load Defaults v02.
62 62 62 62 62 4. 4. 4. 4. 4. Sof Sof Sof Sof Sof tware Suppor tware Suppor tware Suppor tware Suppor tware Suppor t t t t t 4.1 Install Operating System 4.
An important point after buying a device Asrock M3A785GMH/128M (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Asrock M3A785GMH/128M, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Asrock M3A785GMH/128M.
However, one of the most important roles played by the user manual is to help in solving problems with Asrock M3A785GMH/128M. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Asrock M3A785GMH/128M along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
