ASROCK A55M-DGS User Manual

1A55M-DGSUser ManualVersion 1.0Published May 2012Copyright©2012 ASRock INC. All rights reserved.

1012. ASRock XFast RAM is not supported by Microsoft® Windows® XP / XP 64-bit.13. EuP, stands for Energy Using Product, was a provision re

111.3 Motherboard Layout 1 ATX 12V Power Connector (ATX12V1) 14 Southbridge Controller 2 Power Fan Connector (PWR_FAN1) 15 System P

121.4 I/O Panel 1 PS/2 Mouse Port (Green) 6 USB 2.0 Ports (USB01) * 2 LAN RJ-45 Port 7 USB 2.0 Ports (USB23) 3

132. Installation This is a Micro ATX form factor (8.8-in x 6.8-in, 22.4 cm x 17.3 cm) motherboard.Before you install the motherboard, study the con

142.1 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

152.3 Installation of Memory Modules (DIMM)This motherboard provides two 240-pin DDR3 (Double Data Rate 3) DIMM slots, and supports Dual Channel

162.4 Expansion Slots (PCI and PCI Express Slots)There is 1 PCI slot and 1 PCI Express slot on this motherboard. PCI Slot: PCI slot is used t

172.5 AMD Dual Graphics Operation GuideThis motherboard supports AMD Dual Graphics feature. AMD Dual Graphics brings multi-GPU performance capabiliti

18 * Dual Graphics appearing here is a registered trademark of AMD Technologies Inc., and is used only for identication or explanation and to the

192. If you have installed onboard VGA driver from our support CD to your system already, you can freely enjoy the benets of dual monitor

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

20Surround Display FeatureThis motherboard supports surround display upgrade. With the internal VGA output support (D-Sub and DVI-D) and external add-

21 For Windows® 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS: Right click the desktop, choose “Personalize”, and select the “Display Settings”

22USB 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

23* ASRock Smart Remote is only supported by some of ASRock motherboards. Please refer to ASRock website for the motherboard support list: http://ww

242.8 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

252.9 Onboard Headers and ConnectorsOnboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors

26Infrared Module Header This header supports an(5-pin IR1) optional wireless transmitting(see p.11 No. 16) and receiving infrared module.Front Pa

27 PWRBTN (Power Switch): Connect to the power switch on the chassis front panel. You may con-gure the way to turn off your system using the power

28 Though this motherboard provides 24-pin ATX power connector, it can still work if you adopt a traditional 20-pin ATX power supply.

292.10 Serial ATA (SATA) / Serial ATAII (SATAII) Hard Disks InstallationThis motherboard adopts AMD A55 FCH (Hudson-D2) chipset that supports Serial

3Contents1. Introduction ... 5 1.1 Package Contents ...

30 Caution1. Without SATA 15-pin power connector interface, the SATA / SATAII Hot Plug cannot be processed.2. Even some SATA / SATAII HDDs provide

31 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

322.13 Driver Installation GuideTo install the drivers to your system, please insert the support CD to your optical drive rst. Then, the drivers com

332.14.2 Installing Windows® 7 / 7 64-bit / VistaTM / VistaTM 64-bit With RAID FunctionsIf you want to install Windows® 7 / 7 64-bit / VistaTM / V

34Using SATA / SATAII HDDs without NCQ and Hot Plug functions (IDE mode)STEP 1: Set up UEFI.A. Enter UEFI SETUP UTILITY Advanced screen Storag

35STEP 1: Set up UEFI.A. Enter UEFI SETUP UTILITY Advanced screen Storage Conguration.B. Set the “SATA Mode” option to [IDE]. STEP 2:

363. UEFI SETUP UTILITY3.1 IntroductionThis section explains how to use the UEFI SETUP UTILITY to congure your system. The UEFI chip on the mo

373.1.2 Navigation KeysPlease check the following table for the function description of each navigation key. Navigation Key(s) Function Description

383.3 OC Tweaker ScreenIn the OC Tweaker screen, you can set up overclocking features.EZ OC Mode You can use this option to load EZ overclocking set

39CPU Voltage It allows you to adjust the value of CPU voltage. However, for safety and system stability, it is not recommended to adjust the value o

43. UEFI SETUP UTILITY... 36 3.1 Introduction ...

40 Row Precharge Time (tRP) Use this item to change Row Precharge Time (tRP) Auto/Manual setting. The default is [Auto]. RAS# Active Time (tRA

41 Would you like to save current setting user defaults? In this option, you are allowed to load and save three user defaults according to you

423.4.1 CPU Configuration Core C6 Mode Use this item to enable or disable Core C6 mode. The default value is [Enabled]. Cstate Pmin Mode Use th

43 3.4.2 North Bridge Configuration Primary Graphics Adapter This item will switch the PCI Bus scanning order while searching for video card. It

44 3.4.3 South Bridge Configuration Onboard HD AudioSelect [Auto], [Enabled] or [Disabled] for the onboard HD Audio feature. If you select [Auto],

453.4.4 Storage ConfigurationSATA Controller Use this item to enable or disable the “SATA Controller” feature. SATA ModeUse this item to adjust SATA

463.4.5 Super IO ConfigurationSerial Port Use this item to enable or disable the onboard serial port. Serial Port Address Use this item to set t

47 3.4.6 ACPI Configuration Suspend to RAMUse this item to select whether to auto-detect or disable the Suspend-to-RAM feature. Select [Auto] will e

48ACPI HPET table Use this item to enable or disable ACPI HPET Table. The default value is [Enabled]. Please set this option to [Enabled] if you plan

493.4.7 USB ConfigurationUSB 2.0 Controller Use this item to enable or disable the use of USB 2.0 controller.Legacy USB Support Use this option t

51. IntroductionThank you for purchasing ASRock A55M-DGS motherboard, a reliable motherboard produced under ASRock’s consistently stringent quality c

50CPU 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]

513.6 Boot ScreenIn this section, it will display the available devices on your system for you to cong-ure the boot settings and the boot priority.

523.7 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

533.8 Exit ScreenSave Changes and ExitWhen you select this option, it will pop-out the following message, “Save conguration changes and exit setup?”

544. Software Support 4.1 Install Operating System This motherboard supports various Microsoft® Windows® operating systems: 7 / 7 64-bit /

55Installing OS on a HDD Larger Than 2TB in AHCI ModeThis motherboard is adopting UEFI BIOS that allows Windows® OS to be installed on a large size H

56Installing 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

577. 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

5811. 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

5916. 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

61.2 Specifications Platform - Micro ATX Form Factor: 8.8-in x 6.8-in, 22.4 cm x 17.3 cm - Solid Capacitor for CPU power CPU - Support for Socket

60B. Disable “Volume Shadow Copy” service. a. Type “computer management” in the Start Menu, then press “Enter”. b. Go to “Services and Applica

6117. 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 - 1 x D-Sub Port - 1 x DVI-D 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 J

8WARNINGPlease realize that there is a certain risk involved with overclocking, including adjusting the setting in the BIOS, applying Untied Overclock

96. ASRock Instant Flash is a BIOS ash utility embedded in Flash ROM. This convenient BIOS update tool allows you to update system