
1FM2A55M-DGSUser ManualVersion 1.0Published August 2012Copyright©2012 ASRock INC. All rights reserved.
10ASRock APP Charger If you desire a faster, less restricted way of charging your Apple devices, such as iPhone/iPad/iPod Touch, ASRock
11ASRock Crashless BIOS ASRock Crashless BIOSallows users to update their BIOSwithoutfearoffailing.IfpowerlossoccursduringtheBIOS
12ASRock Interactive UEFI ASRock Interactive UEFI is a blend of system configurationtools,cool sound effects and stunning visuals.The
131.4 Motherboard Layout 1 ATX 12V Power Connector (ATX12V1) 16 Chassis Fan Connector (CHA_FAN1) 2 CPU Heatsink Retention Module 17
141.5 I/O Panel* There are two LED next to the LAN port. Please refer to the table below for the LAN port LED indications.
152. InstallationThis is a Micro ATX form factor (8.9-in x 7.6-in, 22.6 cm x 19.3 cm) motherboard.Before you install the motherboard, study the cong
162.1 CPU Installation Step 1. Unlock the socket by lifting the lever up to a 90o angle.Step 2. Position the CPU directly above the socket such tha
172.3 Installation of Memory Modules (DIMM)This motherboard provides two 240-pin DDR3 (Double Data Rate 3) DIMM slots, and supports Dual Channel
182.4 Expansion Slots (PCI and PCI Express Slots)There is 1 PCI slot and 2 PCI Express slots on this motherboard. PCI Slots: PCI slots are us
192.5 AMD Dual Graphics Operation GuideThis motherboard supports AMD Dual Graphics feature. AMD Dual Graphics brings multi-GPU performance capabiliti
2Copyright Notice:No part of this manual may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, exce
20 * Dual Graphics appearing here is a registered trademark of AMD Technologies Inc., and is used only for identication or explanation and to the
212. If you have installed onboard VGA driver from our support CD to your system already, you can freely enjoy the benets of dual monitor
22Surround Display FeatureThis motherboard supports surround display upgrade. With the internal VGA output support (D-Sub and DVI-D) and external add-
23 For Windows® 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS: Right click the desktop, choose “Personalize”, and select the “Display Settings”
24USB 2.0 header (9-pin, black) CIR header (4-pin, gray) 2.7 ASRock Smart Remote Installation GuideASRock Smart Remote is only used for ASRock mothe
25* ASRock Smart Remote is only supported by some of ASRock motherboards. Please refer to ASRock website for the motherboard support list: http://ww
262.8 Jumpers Setup The illustration shows how jumpers are setup. When the jumper cap is placed on pins, the jumper is “Short”. If no jumper cap
272.9 Onboard Headers and ConnectorsOnboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors
28Infrared Module Header This header supports an(5-pin IR1) optional wireless transmitting(see p.13 No. 26) and receiving infrared module.Front Pa
29Chassis Speaker Header Please connect the chassis (4-pin SPEAKER 1) speaker to this header.(see p.13 No. 14)System Panel Header This head
3Contents1. Introduction ... 5 1.1 Package Contents ...
30CPU Fan Connectors Please connect the CPU fan (4-pin CPU_FAN1) cable to the connector and (see p.13 No. 4) match the black wire to the
312.10 Serial ATA2 (SATA2) Hard Disks Installation This motherboard adopts AMD A55 FCH (Hudson-D2) chipset that supports Serial ATA2 (SATA2) hard dis
32 Caution1. Without SATA 15-pin power connector interface, the SATA2 Hot Plug cannot be processed.2. Even some SATA2 HDDs provide both SATA 15-p
33 How to Hot Plug a SATA2 HDD:Points of attention, before you process the Hot Plug:Please do follow below instruction sequence to process the Hot Plu
342.13 Driver Installation GuideTo install the drivers to your system, please insert the support CD to your optical drive rst. Then, the drivers com
35Using SATA2 HDDs without NCQ and Hot Plug functions (IDE mode)STEP 1: Set up UEFI.A. Enter UEFI SETUP UTILITY Advanced screen Storage C
36STEP 1: Set up UEFI.A. Enter UEFI SETUP UTILITY Advanced screen Storage Conguration.B. Set the “SATA Mode” option to [IDE]. STEP 2:
373. UEFI SETUP UTILITY3.1 IntroductionASRock Interactive UEFI is a blend of system conguration tools, cool sound ef-fects and stunning v
383.1.2 Navigation KeysPlease check the following table for the function description of each navigation key. Navigation Key(s) Function Description
393.3 OC Tweaker ScreenIn the OC Tweaker screen, you can set up overclocking features.EZ OC Mode You can use this option to adjust EZ overclocking s
43. UEFI SETUP UTILITY ... 37 3.1 Introduction ...
40Multiplier/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 Proc
41 DRAM Timing Control Power Down EnableUse this item to enable or disable DDR power down mode. Bank InterleavingInterleaving allows memory accesse
42 RAS# Cycle Time (tRC) Use this item to change RAS# Cycle Time (tRC) Auto/Manual setting. The default is [Auto]. Write Recovery Time (tWR)
433.4 Advanced ScreenIn this section, you may set the congurations for the following items: CPU Congu-ration, Nouth Bridge Conguration, South Brid
443.4.1 CPU Conguration Core C6 Mode Use this item to enable or disable Core C6 mode. The default value is [Enabled].Package C6 Mode This ite
45 3.4.2 North Bridge Conguration Primary Graphics Adapter This item will switch the PCI Bus scanning order while searching for video card. It
46 3.4.3 South Bridge Conguration Onboard HD AudioSelect [Auto], [Enabled] or [Disabled] for the onboard HD Audio feature. If you select [Auto], t
473.4.4 Storage CongurationSATA Controller Use this item to enable or disable the “SATA Controller” feature. SATA ModeUse this item to adjust SATA
483.4.5 Super IO CongurationSerial Port Use this item to enable or disable the onboard serial port. Serial Port Address Use this item to set th
49 3.4.6 ACPI Conguration Suspend to RAMUse this item to select whether to auto-detect or disable the Suspend-to-RAM feature. Select [Auto] will en
51. IntroductionThank you for purchasing ASRock FM2A55M-DGS motherboard, a reliable moth-erboard produced under ASRock’s consistently strin
50USB Mouse Power On Use this item to enable or disable USB Mouse to power on the system.ACPI HPET table Use this item to enable or disable ACPI HPE
513.4.7 USB CongurationUSB 2.0 Controller Use this item to enable or disable the use of USB 2.0 controller.Legacy USB Support Use this option to
523.4.8 Network CongurationInternet SettingUse this item to set up the internet connection mode. Conguration options: [DHCP (Auto IP)] and [PPPOE].
533.5 ToolSound EffectEnable or disable sound effects in the setup utility.System BrowserSystem Browser can let you easily check your current system
54Internet FlashInternet Flash searches for available UEFI firmware updates from our servers. In other words, the system can auto-detect the l
55CPU Fan 1 Setting This allows you to set the CPU fan 1 speed. Con guration options: [Full On] and [Automatic Mode]. The default is value [Full On]
563.7 Boot ScreenIn this section, it will display the available devices on your system for you to cong-ure the boot settings and the boot priority.
57CSM parametersLaunch Video OpROM policy Use this to control the execution of UEFI and Legacy Video OpROM. The default value is [Legacy only].
583.8 Security ScreenIn this section, you may set or change the supervisor/user password for the system. For the user password, you may also clear it
59Fixed Media The default value is [Deny Execute].Key Management
61.2 Specications Platform - Micro ATX Form Factor: 8.9-in x 7.6-in, 22.6 cm x 19.3 cm - Solid Capacitor for CPU power CPU - Support for Socket
603.9 Exit ScreenSave Changes and ExitWhen you select this option, it will pop-out the following message, “Save conguration changes and exit setup?”
614. Software Support 4.1 Install Operating System This motherboard supports various Microsoft® Windows® operating systems: 7 / 7 64-bit /
62Installing OS on a HDD Larger Than 2TBThis motherboard is adopting UEFI BIOS that allows Windows® OS to be installed on a large size HDD (>2TB).
63Installing OS on a HDD Larger Than 2TB in RAID ModeThis motherboard is adopting UEFI BIOS that allows Windows® OS to be installed on a large size H
647. And then key in drvcfg –s [Drv number] [Ctrl number] to enter Raid Utility. For example: key in drvcfg –s 4E B5.8. Choose Logical Drive Main M
6511. Press Space on keyboard to toggle checkbox.12. Choose Ld Size setting, and key in the Raid size.13. After set up Raid size, please click Start t
6616. Follow Windows® Installation Guide to install OS.If you install Windows® 7 64-bit / VistaTM 64-bit in a large hard disk (ex. Disk volume > 2T
67B. Disable “Volume Shadow Copy” service. a. Type “computer management” in the Start Menu, then press “Enter”. b. Go to “Services and Applica
6817. Finish.C. Reboot your system.D. After reboot, please start to install motherboard drivers and utilities.Windows® 7 64-bit:A. Please request the
7 Rear Panel I/O I/O Panel - 1 x PS/2 Mouse/Keyboard Port - 1 x D-Sub Port - 1 x DVI-D Port - 4 x Ready-to-Use USB 2.0 Ports - 1 x RJ-45 LAN Por
8 WARNING Please realize that there is a certain risk involved with overclocking, including adjusting the setting in the BIOS, applying Untied Ove
91.3 Unique FeaturesASRock Extreme Tuning Utility (AXTU) ASRock Extreme Tuning Utility (AXTU) is an all-in-one tool to ne-tune different sy
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