ASRock FM2A55M-DGS R2.0 manual Copyright Notice, Disclaimer

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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 purchaser for backup purpose, without written consent of ASRock Inc.

Products and corporate names appearing in this manual may or may not be regis- tered 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 manual are furnished for informa- tional 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 manual.

With respect to the contents of this manual, ASRock does not provide warranty of any kind, either expressed or implied, including but not limited to the implied warran- ties 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 manual or product.

This device complies with Part 15 of the FCC Rules. Operation is subject to the fol- lowing 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 Cali- fornia, 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

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Contents FM2A55M-DGS R2.0 Copyright Notice DisclaimerContents Uefi Setup utility Software SupportPackage Contents IntroductionSpecifications Rear Panel I/O ConnectorBios Feature Support CDPage ASRock Instant Boot Unique FeaturesASRock Extreme Tuning Utility Axtu ASRock Instant FlashASRock XFast LAN ASRock APP ChargerASRock XFast USB ASRock XFast RAMASRock OMG Online Management Guard ASRock Crashless BiosASRock Easy RAID Installer ASRock Internet FlashASRock X-Boost ASRock Fast BootASRock Interactive Uefi ASRock Restart to UefiMotherboard Layout I/O Panel LAN Port LED IndicationsInstallation Pre-installation PrecautionsCPU Installation Installation of CPU Fan and HeatsinkInstallation of Memory Modules Dimm Installing a DimmPcie Slots Installing an expansion cardExpansion Slots PCI and PCI Express Slots What does an AMD Dual Graphics system include? AMD Dual Graphics Operation GuideEnjoy the benefit of AMD Dual Graphics AMD Vision Engine Control Center Dual Monitor and Surround Display Features Dual Monitor FeatureSurround Display Feature What is HDCP? Hdcp FunctionJumpers Setup DescriptionOnboard Headers and Connectors Serial ATA2 ConnectorsFront Panel Audio Header System Panel Header ATX Power Connector Ground pinWhat is Hot Swap Function? Serial ATA2 SATA2 Hard Disks InstallationWhat is Hot Plug Function? Hot Plug and Hot Swap Functions for SATA2 HDDsSATA2 HDD Hot Plug Feature and Operation Guide Points of attention, before you process the Hot PlugHow to Hot Plug a SATA2 HDD How to Hot Unplug a SATA2 HDDUse RAID Installation Guide to set RAID configuration Driver Installation GuideSet up Uefi Page Introduction Uefi Menu BarNavigation Keys + / Tab Enter Pgup Pgdn Home Navigation KeysMain Screen F10 F12OC Tweaker Screen Processor Maximum Voltage Dram Timing Configuration Dram FrequencyProcessor Maximum Frequency Multiplier/Voltage ChangeDram Timing Control Dram Slot Power Down EnableRAS# to CAS# Delay tRCD Dram Timing ControlRAS to RAS Delay tRRD Command Rate CRWrite Recovery Time tWR Write to Read Delay tWTRAdvanced Screen Cool ‘n’ Quiet CPU ConfigurationCore C6 Mode CPU Thermal ThrottleNorth Bridge Configuration Front Panel South Bridge ConfigurationOnboard HD Audio Onboard LANStorage Configuration Super IO Configuration Acpi Configuration USB Mouse Power On Acpi Hpet tableLegacy USB Support USB ConfigurationUSB 2.0 Controller System Browser ToolSound Effect OMGOnline Management GuardInternet Flash Network Configuration Internet SettingDehumidifier CPU Fan Setting Uefi Download ServerHardware Health Event Monitoring Screen Boot From Onboard LAN Boot ScreenFast Boot Setup Prompt TimeoutFull Screen Logo Boot Failure GuardBoot Failure Guard Count AddOn ROM DisplaySecure Boot Security ScreenSave Changes and Exit Load Uefi DefaultsExit Screen Discard Changes and ExitRunning The Support CD Install Operating SystemSupport CD Information Drivers MenuInstalling OS on a HDD Larger Than 2TB Installing OS on a HDD Larger Than 2TB in RAID Mode Drv4E CtrlB5 LangengChoose Usable Physical Drive List to select Raid HDD Page Windows VistaTM 64-bit Page Windows 8 64-bit / 7 64-bit

FM2A55M-DGS R2.0 specifications

The ASRock FM2A55M-DGS R2.0 is a notable micro ATX motherboard designed to support AMD’s FM2 and FM2+ processors, providing robust performance for budget-conscious builders and gamers alike. With its combination of functionality and affordability, this motherboard caters to a wide range of uses, from everyday computing to casual gaming.

One of the standout features of the ASRock FM2A55M-DGS R2.0 is its support for APUs, specifically the AMD Radeon Graphics integrated into these processors. This integration allows users to experience decent graphics performance without needing a dedicated graphics card, making it an excellent choice for entry-level gaming and multimedia applications. The motherboard can support up to 32GB of DDR3 memory across its two DIMM slots, with speeds up to 2400 MHz, which enhances overall system responsiveness and multitasking capabilities.

The FM2A55M-DGS R2.0 is equipped with a variety of connectivity options, including USB 3.0 ports that ensure faster data transfer rates compared to their USB 2.0 counterparts. With SATA3 support, users can connect modern storage devices for improved read and write speeds, contributing to faster boot times and application loading. This motherboard also features integrated HD Audio, delivering immersive sound experiences ideal for gaming, music, and movies.

In terms of expansion capabilities, the ASRock FM2A55M-DGS R2.0 includes a PCIe x16 slot for a dedicated graphics card, as well as additional PCIe x1 slots for other expansion cards, enhancing its versatility. Furthermore, its user-friendly BIOS interface is designed for ease of navigation, enabling users to tweak settings with minimal hassle.

The ASRock FM2A55M-DGS R2.0 is designed with durability in mind, featuring solid capacitors that enhance the stability and longevity of the motherboard. Additionally, its fan headers and comprehensive cooling options help maintain optimal temperatures during high-performance tasks.

Overall, the ASRock FM2A55M-DGS R2.0 is a well-rounded motherboard that offers a balanced blend of performance, features, and affordability, making it an ideal choice for users looking to build a solid and reliable system. Whether for work or play, this motherboard stands out as a cost-effective solution in the competitive entry-level market.
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