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A785GXH/128M

User Manual

Version 1.0
Published August 2009
Copyright©2009 ASRock INC. All rights reserved.
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Summary of Contents for ASROCK A785GXH 128M

  • Page 1: User Manual

    A785GXH/128M User Manual Version 1.0 Published August 2009 Copyright©2009 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

    2.12 Serial ATA (SATA) / Serial ATAII (SATAII) Hard Disks Installation ................. 38 2.13 Hot Plug and Hot Swap Functions for SATA / SATAII HDDs ..38 2.14 SATA / SATAII HDD Hot Plug Feature and Operation Guide ..39 2.15 Driver Installation Guide ............
  • Page 4 3 . 3 . 3 . 3 . 3 . BIOS S BIOS S BIOS S BIOS SETUP UTILITY ETUP UTILITY ETUP UTILITY ETUP UTILITY ..........................................46 BIOS S ETUP UTILITY ........... Introduction ................46 3.1.1 BIOS Menu Bar ............... 46 3.1.2 Navigation Keys .............
  • Page 5: Introduction Introduction

    ASRock’s commit- ment 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.
  • Page 6: Specifications

    - Solid Capacitor for CPU power - Support for Socket AM2+ / AM2 processors: AMD Phenom FX / Phenom / Athlon 64 FX / Athlon 64 X2 Dual-Core / Athlon X2 Dual-Core / Athlon 64 / Sempron processor - Support for AM3 processors: AMD Phenom...
  • Page 7 - 1 x Optical SPDIF Out 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: Side Speaker/Rear Speaker/Central/Bass/ Line in/Front Speaker/Microphone (see CAUTION 7) - 6 x Serial ATAII 3.0Gb/s connectors, support RAID (RAID 0,...
  • Page 8 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.
  • Page 9 USB flash drive or hard drive must use FAT32/16/12 file system. 13. The software name itself – OC DNA literally tells you what it is capable of. OC DNA, an exclusive utility developed by ASRock, provides a conve- nient way for the user to record the OC settings and share with others.
  • Page 10 16. This motherboard supports ASRock AM2 Boost overclocking technology. If you enable this function in the BIOS setup, the memory performance will improve up to 12.5%, but the effect still depends on the AM2 CPU you adopt. Enabling this function will overclock the chipset/CPU reference clock. However, we can not guarantee the system stability for all CPU/DRAM configurations.
  • Page 11: Minimum Hardware Requirement For 1080P Blu-Ray (Bd)

    Vista ® ® * If you need to use CyberLink PowerDVD Ultra version 7.3, we suggest to disable Hardware Acceleration function for better playback performance and compatibility. After executing CyberLink PowerDVD Ultra program, please follow below steps to disable Hardware Acceleration function.
  • Page 12: 1080P Blu-Ray (Bd) / Hd-Dvd Films Which Pass Our Lab Test

    1 . 4 1 . 4 1 . 4 P P P P P assed 1080p Blu-ray (BD) / HD assed 1080p Blu-ray (BD) / HD assed 1080p Blu-ray (BD) / HD assed 1080p Blu-ray (BD) / HD-D -D -D...
  • Page 13: Motherboard Layout

    PCI Express 2.0 x16 Slot Primary SATAII Connector (SATAII_1, Red) (PCIE2; Orange) Third SATAII Connector (SATAII_3, Red) PCI Express 2.0 x16 Slot (PCIE1; Green) Fourth SATAII Connector (SATAII_4, Red) Northbridge Controller System Panel Header (PANEL1, Orange) Power Fan Connector (PWR_FAN1)
  • Page 14: I/O Panel

    Line In (Light Blue) PS/2 Keyboard Port (Purple) ** 8 Front Speaker (Lime) * 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 ACT/LINK...
  • Page 15 To enable Multi-Streaming function, you need to connect a front panel audio cable to the front panel audio header. After restarting your computer, you will find “VIA HD Audio Deck” tool on your system. Please follow below instructions according to the OS you install.
  • Page 16: Installation

    Installation Installation Installation This is an ATX form factor (12.0-in x 8.4-in, 30.5 cm x 21.3 cm) motherboard. Before you install the motherboard, study the configuration of your chassis to en- sure that the motherboard fits into it. Pre-installation Precautions...
  • Page 17: Cpu Installation

    Step 4. When the CPU is in place, press it firmly on the socket while you push down the socket lever to secure the CPU. The lever clicks on the side tab to indicate that it is locked.
  • Page 18: Installation Of Memory Modules (Dimm)

    (the same brand, speed, size and chip-type) DDR2 DIMM pair in the slots of the same color. In other words, you have to install identical DDR2 DIMM pair in Dual Channel A (DDRII_1 and DDRII_2; Yellow slots;...
  • Page 19 DIMMs or the system components. Step 1. Unlock a DIMM slot by pressing the retaining clips outward. Step 2. Align a DIMM on the slot such that the notch on the DIMM matches the break on the slot. notch break...
  • Page 20: 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 3 PCI Express slots on this motherboard. PCI Slots: PCI slots are used to install expansion cards that have the 32-bit PCI interface. PCIE Slots: PCIE1 (PCIE x16 slot;...
  • Page 21: Multi Monitor And Surround Display Features

    VGA/DVI-D port HDMI port 2. If you have installed onboard VGA driver from our support CD to your system already, you can freely enjoy the benefits of multi monitor function after your system boots. If you haven’t installed onboard VGA driver yet, please install onboard VGA driver from our support CD to your system and restart your computer.
  • Page 22 [512MB] to enable the function of VGA/D-sub. Please make sure that the value you select is less than the total capability of the system memory. If you do not adjust the BIOS setup, the default value of “Share Memory”, [Auto], will disable VGA/D-Sub function when the add-on VGA card is inserted to this motherboard.
  • Page 23 Settings” tab so that you can adjust the parameters of the multi-monitor according to the steps below. A. Click the number ”2” icon. B. Click the items “This is my main monitor” and “Extend the desktop onto this monitor”. C. Click “OK” to save your change.
  • Page 24 CrossFireX technology offers the most advantageous means available of combining multiple high performance Graphics Processing Units (GPU) in a single PC. Combining a range of different operating modes with intelligent software design and an innovative interconnect mechanism, CrossFireX enables the highest possible level of performance and image quality in any 3D application.
  • Page 25 1. If a customer incorrectly configures their system they will not see the performance benefits of CrossFireX . All three CrossFireX components, a CrossFireX Ready graphics card, a CrossFireX Ready motherboard and a CrossFireX Edition co-processor graphics card, must be installed correctly to benefit from the CrossFireX multi-GPU platform.
  • Page 26: Ati Tm

    Connect the DVI monitor cable to the DVI connector on the Radeon graphics card on PCIE1 slot. (You may use the DVI to D-Sub adapter to convert the DVI connector to D-Sub interface, and then connect the D-Sub monitor cable to the DVI to D-Sub adapter.)
  • Page 27 Your computer will automatically reboot. After restarting your computer, please confirm whether the option “Enable CrossFire ” in “ATI Catalyst Control Center” is selected or not; if not, please select it again, and then you are able to enjoy the benefit of CrossFireX feature.
  • Page 28: Ati Tm Hybrid Crossfirex Tm Operation Guide

    VGA driver installed in your system. Step 5. Install the onboard VGA driver from our support CD to your system for both the onboard VGA and the discrete graphics card. Step 6. Restart your computer. Then you will find “ATI Catalyst Control Center” on your Windows taskbar.
  • Page 29 * Hybrid CrossFireX appearing here is a registered trademark of ATI Technologies Inc., and is used only for identification or explanation and to the owners’ benefit, without intent to infringe. * For further information of ATI Hybrid CrossFireX technology, please check AMD website...
  • Page 30: Jumpers Setup

    CLRCMOS1 for 5 seconds. However, please do not clear the CMOS right after you update the BIOS. If you need to clear the CMOS when you just finish updating the BIOS, you must boot up the system first, and then shut it down...
  • Page 31: Onboard Headers And Connectors

    (33-pin FLOPPY1) FLOPPY1 Pin1 (see p.13 No. 28) the red-striped side to Pin1 Note: Make sure the red-striped side of the cable is plugged into Pin1 side of the connector. Primary IDE connector (Blue) (39-pin IDE1, see p.13 No. 9) IDE1...
  • Page 32 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 33 Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin CPU fan still can work successfully even without the fan speed control function. If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this motherboard, please connect it to Pin 1-3.
  • Page 34 Though this motherboard provides 8-pin ATX 12V power connector, it can still work if you adopt a traditional 4-pin ATX 12V power supply. To use the 4-pin ATX power supply, please plug your power supply along with Pin 1 and Pin 5.
  • Page 35 HDMI_SPDIF Cable Please connect the black end (A) of HDMI_SPDIF cable to the (Optional) HDMI_SPDIF header on the motherboard. Then connect the white end (B or C) of HDMI_SPDIF cable to the HDMI_SPDIF connector of HDMI VGA card. A. black end B.
  • Page 36: Hdmi_Spdif Header Connection Guide

    HDMI (High-Definition Multi-media Interface) is an all-digital audio/video specification, which provides an interface between any compatible digital audio/video source, such as a set-top box, DVD player, A/V receiver and a compatible digital audio or video monitor, such as a digital television (DTV). A complete HDMI system requires a HDMI VGA card and a HDMI ready motherboard with a HDMI_SPDIF header.
  • Page 37: Sataii Hard Disk Setup Guide

    Before installing SATAII hard disk to your computer, please carefully read below SATAII hard disk setup guide. Some default setting of SATAII hard disks may not be at SATAII mode, which operate with the best performance. In order to enable SATAII function, please follow the below instruction with different vendors to correctly adjust your SATAII hard disk to SATAII mode in advance;...
  • Page 38: Installation

    STEP 4: Connect the other end of the SATA data cable to the SATA / SATAII hard disk. If you plan to use RAID 0 or RAID 1 function, you need to install at least 2 SATA / SATAII hard disks. If you plan to use RAID 10 function, you need to install 4 SATA / SATAII hard disks.
  • Page 39: Sata / Sataii Hdd Hot Plug Feature And Operation Guide

    SATA / SATAII driver is available on our support website: www.asrock.com 4. Make sure to use the SATA power cable & data cable, which are from our motherboard package. 5. Please follow below instructions step by step to reduce the risk of HDD crash...
  • Page 40 Please do follow below instruction sequence to process the Hot Unplug, improper procedure will cause the SATA / SATAII HDD damage and data loss. Step 1 Unplug SATA data cable from SATA / SATAII HDD side. Unplug SATA 15-pin power cable connector (Black) from SATA / SATAII HDD side. Step 2...
  • Page 41: Driver Installation Guide

    2 . 1 5 Driver Installation Guide To install the drivers to your system, please insert the support CD to your optical drive first. Then, the drivers compatible to your system can be auto-detected and listed on the support CD driver page. Please follow the order from up to bottom side to install those required drivers.
  • Page 42: Tm Tm

    ” page, please insert the ASRock Support CD into your optical drive, and click the “Load Driver” button on the left on the bottom to load the AMD RAID drivers. AMD RAID drivers are in the following path in our Support CD:...
  • Page 43: Without Raid Functions

    (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 44 ” page, please insert the ASRock Support CD into your optical drive, and click the “Load Driver” button on the left on the bottom to load the AMD AHCI drivers. AMD AHCI drivers are in the following path in our Support CD:...
  • Page 45: Untied Overclocking Technology

    Untied Overclocking function, please enter “Overclock Mode” option of BIOS setup to set the selection from [Auto] to [CPU, PCIE, Async.]. Therefore, CPU FSB is untied during overclocking, but PCI / PCIE buses are in the fixed mode so that FSB can operate under a more stable overclocking environment.
  • Page 46: Bios S

    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. You may run the BIOS SETUP UTILITY when you start up the computer. Please press <F2> or <Del>...
  • Page 47: Navigation Keys

    To jump to the Exit Screen or exit the current screen <ESC> Main Screen Main Screen Main Screen Main Screen Main Screen When you enter the BIOS SETUP UTILITY, the Main screen will appear and display the system overview. BIOS SETUP UTILITY OC Tweaker Advanced H/W Monitor Boot...
  • Page 48: Oc Tweaker Screen

    Load Optimized mGPU OC Setting You can use this option to load mGPU overclocking setting. Configuration options: [700MHz] to [900MHz]. Please note that overclocing may cause damage to your mGPU and motherboard. It should be done at your own risk and expense. CPU Configuration Overclock Mode Use this to select Overclock Mode.
  • Page 49 It will display Processor Maximum Voltage for reference. Multiplier/Voltage Change This item is set to [Auto] by default. If it is set to [Manual], you may adjust the value of Processor Frequency and Processor Voltage. However, it is recommended to keep the default value for system stability.
  • Page 50 Memory Configuration Memory Clock This item can be set by the code using [Auto]. You can set one of the standard values as listed: [200 MHz (DDR2 400)], [266 MHz (DDR2 533)], [333 MHz (DDR2 667)] and [400 MHz (DDR2 800)]. If you adopt Phenom CPU, there is one more option: [533MHz (DDR2 1066)].
  • Page 51 This option appears only when you adopt Phenom CPU. It allows you to enable Channel Memory Interleaving. Configuration options: [Disabled], [XOR of Address bit [20:16, 6]], [XOR of Address bit [20:16, 9]], [Address bits 6] and [Address bits 12]. The default value is [XOR of Address bit [20:16, 9]].
  • Page 52 Use this to adjust TRFC1 values. Configuration options: [Auto], [75ns], [105ns], [127.5ns], [195ns] and [327.5ns]. The default value is [Auto]. MA Timing Use this to adjust values for MA timing. Configuration options: [Auto], [2T], [1T]. The default value is [Auto]. CHA Addr/Cmd Fine Delay Use this to adjust values for CHA Addr/Cmd Fine Delay feature.
  • Page 53 CHA Processor ODT Use this to adjust values for CHA Processor ODT. Configuration options: [Auto], [300 ohms], [150 ohms] and [75 ohms]. The default value is [Auto]. CHB CKE Drive Strength Use this to adjust values for CHB CKE Drive Strength. Configuration options: [Auto], [1.00x], [1.25x], [1.50x] and [2.00x].
  • Page 54 [Auto], [0.75x], [1.00x], [1.25x] and [1.50x]. The default value is [Auto]. CHB Processor ODT Use this to adjust values for CHB Processor ODT. Configuration options: [Auto], [300 ohms], [150 ohms] and [75 ohms]. The default value is [Auto]. Chipset Settings SidePort Clock Speed This allows you to select sideport clock speed.
  • Page 55: Advanced Screen

    . Just launch ® this tool and save the new BIOS file to your USB flash drive, floppy disk or hard drive, then you can update your BIOS only in a few clicks without preparing an additional floppy diskette or other complicated flash utility.
  • Page 56: Cpu Configuration

    (C) Copyright 1985-2003, American Megatrends, Inc. AM2 Boost This option appears only when you adopt AM2 CPU. If you set this option to [Enabled], you will enable ASRock AM2 Boost function, which will improve the memory performance. The default value is [Disabled]. Please refer to caution 16 on page 10 for details.
  • Page 57: Chipset Configuration

    Primary Graphics Adapter This item will switch the PCI Bus scanning order while searching for video card. It allows you to select the type of Primary VGA in case of multiple video controllers. The default value of this feature is [PCI]. Configuration options: [PCI], [Onboard] and [PCI Express].
  • Page 58: Acpi Configuration

    If [Power On] is selected, the AC/power resumes and the system starts to boot up when the power recovers. Ring-In Power On Use this item to enable or disable Ring-In signals to turn on the system from the power-soft-off mode.
  • Page 59 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 60: Ide Configuration

    SATA Operation Mode Use this item to adjust SATA Operation Mode. The default value of this option is [IDE]. If you want to operate RAID function on SATA / SATAII HDDs, please select [RAID]. Configuration options: [AHCI], [RAID] and [IDE].
  • Page 61 [ARMD]: This is used for IDE ARMD (ATAPI Removable Media Device), such as MO. LBA/Large Mode Use this item to select the LBA/Large mode for a hard disk > 512 MB under DOS and Windows; for Netware and UNIX user, select [Disabled] to disable the LBA/Large mode.
  • Page 62: Pcipnp Configuration

    Setting wrong values in this section may cause the system to malfunction. PCI Latency Timer The default value is 32. It is recommended to keep the default value unless the installed PCI expansion cards’ specifications require other settings. PCI IDE BusMaster...
  • Page 63: Floppy Configuration

    Use this item to enable or disable floppy drive controller. Serial Port Address Use this item to set the address for the onboard serial port or disable it. Configuration options: [Disabled], [3F8 / IRQ4], [2F8 / IRQ3], [3E8 / IRQ4], [2E8 / IRQ3].
  • Page 64: Usb Configuration

    Use this item to enable or disable the USB 2.0 support. Legacy USB Support Use this option to select legacy support for USB devices. There are four configuration options: [Enabled], [Auto], [Disabled] and [BIOS Setup Only]. The default value is [Enabled]. Please refer to below descriptions for the details of these four options: [Enabled] - Enables support for legacy USB.
  • Page 65: 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 66: 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...
  • Page 67: Security Screen

    Boot From Onboard LAN Use this item to enable or disable the Boot From Onboard LAN feature. Boot Up Num-Lock If this item is set to [On], it will automatically activate the Numeric Lock function after boot-up. 3 . 7 3 .
  • Page 68: Exit Screen

    When you select this option, it will pop-out the following message, “Dis- card changes?” Select [OK] to discard all changes. Load BIOS Defaults Load BIOS default values for all the setup questions. F9 key can be used for this operation. Load Performance Setup Default (IDE/SATA) This performance setup default may not be compatible with all system configurations.
  • Page 69: Software Support Software Support

    4.2.1 Running The Support CD 4.2.1 Running The Support CD To begin using the support CD, insert the CD into your CD-ROM drive. The CD automatically displays the Main Menu if “AUTORUN” is enabled in your computer. If the Main Menu did not appear automatically, locate and double click on the file “ASSETUP.EXE”...

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