ASROCK 939A785GMH User Manual
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ASROCK 939A785GMH User Manual

ASROCK 939A785GMH User Manual

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939A785GMH

User Manual

Version 1.0
Published August 2011
Copyright©2011 ASRock INC. All rights reserved.
1 1 1 1 1

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Summary of Contents for ASROCK 939A785GMH

  • Page 1: User Manual

    939A785GMH User Manual Version 1.0 Published August 2011 Copyright©2011 ASRock INC. All rights reserved. 1 1 1 1 1...
  • Page 2 (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 manual or product.

  • Page 3: Table Of Contents

    Contents Contents Contents Contents Contents 1 . 1 . 1 . 1 . Introduction Introduction Introduction ............Introduction ....................................5 5 5 5 5 Introduction ............Package Contents ..............5 Specifications ................6 Motherboard Layout ..............11 I/O Panel ..................12 2 .
  • Page 4 3 . 3 . 3 . 3 . BIOS S BIOS S BIOS S BIOS SETUP UTILITY ETUP UTILITY ETUP UTILITY ETUP UTILITY ........................................36 BIOS S ETUP UTILITY ..........Introduction ................36 3.1.1 BIOS Menu Bar ............... 36 3.1.2 Navigation Keys ..............

  • Page 5: Introduction Introduction

    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.

  • Page 6: Specifications

    1 . 2 1 . 2 1 . 2 Specifications Specifications Specifications 1 . 2 1 . 2 Specifications Specifications Platform - Micro ATX Form Factor: 9.6-in x 8.6-in, 24.4 cm x 21.8 cm - Solid Capacitor for CPU power - Socket 939 for AMD Athlon 64FX / 64X2 / 64 processors - Supports AMD’s Cool ‘n’...
  • Page 7 Trial; ASRock MAGIX Multimedia Suite - OEM) Unique Feature - ASRock OC Tuner (see CAUTION 6) - ASRock Intelligent Energy Saver (see CAUTION 7) - ASRock Instant Boot - ASRock Instant Flash (see CAUTION 8) - ASRock OC DNA (see CAUTION 9)
  • Page 8 - FCC, CE, WHQL - ErP/EuP Ready (ErP/EuP ready power supply is required) (see CAUTION 13) * 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 third- party overclocking tools.
  • Page 9 6-channel, and 8-channel modes. Please check the table on page 12 for proper connection. 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 ®...
  • Page 10 - ASRock APP Charger. Simply installing the APP Charger driver, it makes your iPhone charged much quickly from your computer and up to 40% faster than before. ASRock APP Charger allows you to quickly charge many Apple devices simultaneously and even supports continuous charging when your PC enters into Standby mode (S1), Suspend to RAM (S3), hibernation mode (S4) or power off (S5).

  • Page 11: Motherboard Layout

    1.3 Motherboard Layout 21.8cm (8.6-in) CPU_FAN1 USB 2.0 T: USB2 B: USB3 Hybrid CrossFire PS2_USB_PW1 ATX12V1 USB 2.0 Top: T: USB0 RJ-45 939A785GMH B: USB1 785G Chipset PCIE1 CLRCMOS1 PWR_FAN1 USB8_9 USB6_7 USB4_5 PCIE2 PCI Express 2.0 EuP Ready SB710...

  • Page 12: I/O Panel

    1 . 4 1 . 4 1 . 4 I/O P I/O P I/O Panel anel anel anel 1 . 4 1 . 4 I/O P I/O P anel USB 2.0 Ports (USB23) Microphone (Pink) D-Sub Port Optical SPDIF Out Port LAN RJ-45 Port USB 2.0 Ports (USB01) Central / Bass (Orange)

  • Page 13: Installation

    Installation Installation Installation 939A785GMH is a Micro ATX form factor (9.6-in x 8.6-in, 24.4 cm x 21.8 cm) motherboard. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Pre-installation Precautions...

  • Page 14: Cpu Installation

    CPU Installation CPU Installation CPU Installation CPU Installation CPU Installation Step 1. Unlock the socket by lifting the lever up to a 90 angle. 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. Step 3.

  • Page 15: Installation Of Memory Modules (Dimm)

    2.3 Installation of Memor y Modules (DIMM) 939A785GMH motherboard provides four 184-pin DDR (Double Data Rate) DIMM slots, and supports Dual Channel Memory Technology. For dual channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR DIMM pair in the slots of the same color.
  • Page 16 Installing a DIMM Installing a DIMM Installing a DIMM Installing a DIMM Installing a DIMM Please make sure to disconnect power supply before adding or removing DIMMs or the system components. Step 1. Unlock a DIMM slot by pressing the retaining clips outward. Step 2.

  • Page 17: 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) 2.4 Expansion Slots (PCI and PCI Express Slots) There are 2 PCI slots and 2 PCI Express slots on this motherboard.

  • Page 18: Dual Monitor And Surround Display Features

    2.5 Dual Monitor and Surround Display Features 2.5 Dual Monitor and Surround Display Features 2.5 Dual Monitor and Surround Display Features 2.5 Dual Monitor and Surround Display Features 2.5 Dual Monitor and Surround Display Features Dual Monitor Feature This motherboard supports dual monitor feature. With the internal VGA output support (DVI-D, D-Sub and HDMI), you can easily enjoy the benefits of dual monitor feature without installing any add-on VGA card to this motherboard.
  • Page 19 Surround Display Feature This motherboard supports surround display upgrade. With the internal VGA output support (DVI-D, D-Sub and HDMI) and external add-on PCI Express VGA card, you can easily enjoy the benefits of surround display feature. Please refer to the following steps to set up a surround display environment: 1.
  • Page 20 G. Repeat steps C through E for the diaplay icon identified by the number one, two, three and four. ® For Windows 7 / 7 64-bit / Vista / Vista 64-bit OS: Right click the desktop, choose “Personalize”, and select the “Display Settings”...

  • Page 21: Ati Tm Hybrid Crossfirex Tm Operation Guide

    2 . 6 2 . 6 2 . 6 A A A A A TI TI TI TI TI Hybrid CrossF Hybrid CrossFireX Hybrid CrossF ireX ireX ireX Operation Guide Operation Guide Operation Guide 2 . 6 2 . 6 Hybrid CrossF Hybrid CrossF ireX...
  • Page 22 Step 7. Double-click “ATI Catalyst Control Center”. Click “View”, click “CrossFire ”, and then select the option “Enable CrossFire ”. View Enable CrossFire CrossFire Step 8. Click “Yes” to continue. Step 9. Click “OK” to save your change. Step 10. Reboot your system. Then you can freely enjoy the benefit of Hybrid CrossFireX feature.

  • Page 23: Jumpers Setup

    2 . 7 2 . 7 2 . 7 Jumpers Setup Jumpers Setup Jumpers Setup 2 . 7 2 . 7 Jumpers Setup Jumpers Setup The illustration shows how jumpers are setup. When the jumper cap is placed on pins, the jumper is “Short”.

  • Page 24: 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 2.8 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage of the motherboard! •...
  • Page 25 USB 2.0 Headers Besides four default USB 2.0 USB_PWR ports on the I/O panel, there are (9-pin USB8_9) DUMMY three USB 2.0 headers on this (see p.11 No. 10) motherboard. Each USB 2.0 header can support two USB USB_PWR 2.0 ports. USB_PWR (9-pin USB6_7) (see p.11 No.

  • Page 26: 64-Bit / Vista

    1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. Please follow the instruction in our manual and chassis manual to install your system. 2. If you use AC’97 audio panel, please install it to the front panel audio header as below: A.
  • Page 27 Chassis and Power Fan Connectors Please connect the fan cables to the fan connectors and (3-pin CHA_FAN1) +12V CHA_FAN_SPEED match the black wire to the (see p.11 No. 16) ground pin. PWR_FAN_SPEED (3-pin PWR_FAN1) +12V (see p.11 No. 13) CPU Fan Connector Please connect the CPU fan +12V CPU_FAN_SPEED...

  • Page 28: Serial Ata (Sata) / Serial Ataii (Sataii) Hard Disks Installation

    2 . 9 2 . 9 2 . 9 Serial A Serial A Serial AT T T T T A (SA A (SA A (SA A (SAT T T T T A) / Serial A A) / Serial A A) / Serial AT T T T T AII (SA A) / Serial A AII (SA AII (SA...

  • Page 29: Sata / Sataii Hdd Hot Plug Feature And Operation Guide

    SATA / SATAII Hot Plug support information of our motherboard is indicated in the product spec on our website: www.asrock.com 2. Make sure your SATA / SATAII HDD can support Hot Plug function from your dealer or HDD user manual.
  • Page 30 How to Hot Plug a SATA / SATAII HDD: Points of attention, before you process the Hot Plug: Please do follow below instruction sequence to process the Hot Plug, improper procedure will cause the SATA / SATAII HDD damage and data loss. Step 1 Step 2 Please connect SATA power cable 1x4-pin end...

  • Page 31: Driver Installation Guide

    Set the “SATA Operation Mode” option to [RAID]. STEP 2: Make a SATA / SATAII Driver Diskette. Insert the ASRock Support CD into your optical drive to boot your system. During POST at the beginning of system boot-up, press <F11> key, and then a window for boot devices selection appears.

  • Page 32: Vista Tm 64-Bit With Raid Functions

    STEP 3: Use “RAID Installation Guide” to set RAID configuration. Before you start to configure RAID function, you need to check the RAID installation guide in the Support CD for proper configuration. Please refer to the BIOS RAID installation guide part of the document in the following path in the Support CD: ..

  • Page 33: Xp 64-Bit Without Raid Functions

    ® NOTE1. If you install Windows 7 / 7 64-bit / Vista / Vista 64-bit on IDE HDDs and want to manage (create, convert, delete, or rebuild) RAID functions on SATA / SATAII HDDs, you still need to set up “SATA Operation Mode” to [RAID] in BIOS first. Then, please set the RAID configuration by using the Windows RAID installation guide in the following path in the Support CD: ..

  • Page 34: Vista Tm 64-Bit Without Raid Functions

    Using SATA / SATAII HDDs without NCQ and Hot Plug functions (IDE mode) STEP 1: Set up BIOS. Enter BIOS SETUP UTILITY Advanced screen Storage Configuration. Set the “SATA Operation Mode” option to [IDE]. STEP 2: Install Windows ® XP / XP 64-bit OS on your system. 2.14.2 Installing Windows 2.14.2 Installing Windows 7 / 7 64-bit / Vista...

  • Page 35: Untied Overclocking Technology

    2 . 1 5 2 . 1 5 2 . 1 5 Untied Overclocking T Untied Overclocking T Untied Overclocking Technology Untied Overclocking T echnology echnology echnology 2 . 1 5 2 . 1 5 Untied Overclocking T echnology This motherboard supports Untied Overclocking Technology, which means during overclocking, FSB enjoys better margin due to fixed PCI / PCIE buses.

  • Page 36: Bios S

    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. The SPI Memory on the motherboard stores the BIOS SETUP UTILITY.

  • Page 37: Navigation Keys

    System Time [ :00:09] or [SHIFT-TAB] to System Date [Wed 08/10/2011] select a field. BIOS Version : 939A785GMH P1.00 Use [+] or [-] to Processor Type : Dual Core AMD Opteron (tm) configure system Time. Processor 180 (64bit) Processor Speed...

  • Page 38: Oc Tweaker Screen

    3.3 OC T OC T OC T OC Tweak weak weaker Screen weak er Screen er Screen er Screen OC T weak er Screen In the OC Tweaker screen, you can set up overclocking features. BIOS SETUP UTILITY Main OC Tweaker Advanced H/W Monitor Boot...
  • Page 39 BIOS SETUP UTILITY Main OC Tweaker Advanced H/W Monitor Boot Security Exit CPU Configuration Overclocking may cause damage to your CPU and Overclock Mode [Auto] motherboard. CPU Frequency (MHz) [200] It should be done at PCIE Frequency (MHz) [100] your own risk and [Auto] Spread Spectrum expense.
  • Page 40 DRAM Voltage Use this to select DRAM voltage. Configuration options: [Auto], [2.60V] to [2.95V]. The default value is [Auto]. Memory Timing BIOS SETUP UTILITY OC Tweaker Memory Timing [Auto] CAS Latency TRAS [Auto] [Auto] TRCD [Auto] [Auto] TRRD [Auto] MA Timing [Auto] Burst Length [4 Beats]...
  • Page 41 Bank Interleaving Interleaving allows memory accesses to be spread out over banks on the same node, or accross nodes, decreasing access contention. Chipset Settings Onboard GPU Clock Override This allows you to enable or disable the Onboard GPU Clock Override feature.

  • Page 42: Advanced Screen

    Setting wrong values in this section may cause the system to malfunction. ASRock Instant Flash ASRock Instant Flash is a BIOS flash utility embedded in Flash ROM. This convenient BIOS update tool allows you to update system BIOS without ®...

  • Page 43: Cpu Configuration

    3.4.1 3.4.1 CPU Configuration 3.4.1 CPU Configuration CPU Configuration CPU Configuration 3.4.1 3.4.1 CPU Configuration BIOS SETUP UTILITY Advanced CPU Configuration Enable or disable the feature of Boot Boot Failure Guard [Enabled] Failure Guard. [Auto] Cool' n' Quiet [Disabled] Memory Hole Select Screen Select Screen Select Item...

  • Page 44: Chipset Configuration

    3.4.2 3.4.2 3.4.2 Chipset Configuration Chipset Configuration Chipset Configuration 3.4.2 3.4.2 Chipset Configuration Chipset Configuration BIOS SETUP UTILITY Advanced Chipset Settings Auto/Enable/Disable Onboard HD Audio. [Auto] Onboard HD Audio Front Panel [Enabled] CD-In [Enabled] OnBoard Lan [Enabled] Primary Graphics Adapter [PCI] Internal Graphics Mode [UMA]...

  • Page 45: Acpi Configuration

    Onboard HDMI HD Audio This allows you to enable or disable the onboard HDMI HD Audio in AMD 785G. Surround View This allows you to enable or disable the Surround View feature or Hybrid CrossFireX feature. 3.4.3 3.4.3 3.4.3 ACPI Configuration ACPI Configuration ACPI Configuration 3.4.3...
  • Page 46 PCI Devices Power On Use this item to enable or disable PCI devices to turn on the system from the power-soft-off mode. PS/2 Keyboard Power On Use this item to enable or disable PS/2 keyboard to turn on the system from the power-soft-off mode.

  • Page 47: Storage Configuration

    3.4.4 3.4.4 Storage Configuration 3.4.4 Storage Configuration Storage Configuration Storage Configuration 3.4.4 3.4.4 Storage Configuration BIOS SETUP UTILITY Advanced Configure onboard Storage Configuration serial ATA controller. Onboard SATA Controller [Enabled] SATA Operation Mode [IDE] IDE1 Master [Hard Disk] IDE1 Slave [Not Detected] SATAII_1 [Not Detected]...
  • Page 48 TYPE Use this item to configure the type of the IDE device that you specify. Configuration options: [Not Installed], [Auto], [CD/DVD], and [ARMD]. [Not Installed]: Select [Not Installed] to disable the use of IDE device. [Auto]: Select [Auto] to automatically detect the hard disk drive. After selecting the hard disk information into BIOS, use a disk utility, such as FDISK, to partition and format the new IDE hard disk drives.

  • Page 49: Pcipnp Configuration

    3.4.5 3.4.5 PCIPnP Configuration 3.4.5 PCIPnP Configuration PCIPnP Configuration PCIPnP Configuration 3.4.5 3.4.5 PCIPnP Configuration BIOS SETUP UTILITY Advanced Value in units of PCI Advanced PCI / PnP Settings clocks for PCI device latency timer PCI Latency Timer [32] register. PCI IDE BusMaster [Enabled] Select Screen...

  • Page 50: Floppy Configuration

    3.4.6 3.4.6 Floppy Configuration 3.4.6 Floppy Configuration Floppy Configuration Floppy Configuration 3.4.6 3.4.6 Floppy Configuration In this section, you may configure the type of your floppy drive. BIOS SETUP UTILITY Advanced Floppy Configuration Select the type of floppy drive connected to the Floppy A [1.44 MB 3 "] system.
  • Page 51 Parallel Port Address Use this item to set the address for the onboard parallel port or disable it. Configuration options: [Disabled], [378], and [278]. Parallel Port Mode Use this item to set the operation mode of the parallel port. The default value is [ECP+EPP].

  • Page 52: Usb Configuration

    3.4.8 3.4.8 USB Configuration 3.4.8 USB Configuration USB Configuration USB Configuration 3.4.8 3.4.8 USB Configuration BIOS SETUP UTILITY Advanced USB Configuration To enable or disable the onboard USB controllers. USB Controller [Enabled] USB 2.0 Support [Enabled] [Enabled] Legacy USB Support Select Screen Select Item Change Option...

  • Page 53: Hardware Health Event Monitoring Screen

    Hardware Health Event Monitoring Screen Hardware Health Event Monitoring Screen Hardware Health Event Monitoring Screen Hardware Health Event Monitoring Screen Hardware Health Event Monitoring Screen In this section, it allows you to monitor the status of the hardware on your system, including the parameters of the CPU temperature, motherboard temperature, CPU fan speed, chassis fan speed, and the critical voltage.

  • Page 54: Boot Screen

    Boot Screen Boot Screen Boot Screen Boot Screen Boot Screen In this section, it will display the available devices on your system for you to config- ure the boot settings and the boot priority. BIOS SETUP UTILITY Main OC Tweaker Advanced H/W Monitor Boot...

  • Page 55: Security Screen

    Use this option to select logo in POST screen. This option only appears when you enable the option “Full Screen Logo”. Configuration options: [Auto], [EUP], [Scenery] and [ASRock]. The default value is [Auto]. Boot From Onboard LAN Use this item to enable or disable the Boot From Onboard LAN feature.

  • Page 56: Exit Screen

    3.8 Exit Screen Exit Screen Exit Screen Exit Screen Exit Screen BIOS SETUP UTILITY Main OC Tweaker Advanced H/W Monitor Boot Security Exit Exit Options Exit system setup after saving the Save Changes and Exit changes. Discard Changes and Exit Discard Changes F10 key can be used for this operation.

  • Page 57: Software Support Software Support

    4.2.4 Contact Information Contact Information Contact Information Contact Information Contact Information If you need to contact ASRock or want to know more about ASRock, welcome to visit ASRock’s website at http://www.asrock.com; or you may contact your dealer for further information.

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