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USER MANUAL H55M ASROCK
No part of this installation guide 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 guide may or may not be registered 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 guide are furnished for informational 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 guide.
With respect to the contents of this guide, ASRock does not provide warranty of any kind, either expressed or implied, including but not limited to the implied warranties 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 guide or product.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following 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 California, 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
Published March 2010
Copyright ©2010 ASRock INC. All rights reserved.
Motherboard Layout

1 ATX 12V Power Connector (ATX12V1)
2 PS2_USB_PWR1 Jumper
3 CPU Fan Connector (CPU_FAN1)
4 Power Fan Connector (PWR_FAN1)
5 1156-Pin CPU Socket
6 2 x 240-pin DDR3 DIMM Slots
Dual Channel: DDR3_A1, DDR3_B1, Blue)
7 ATX Power Connector (ATXPWR1)
8 Secondary SATAll Connector (SATAll_2,Red)
9 Primary SATAll Connector (SATAI1,Red)
10 Third SATAll Connector (SATAll_3, Red)
11 Fourth SATAll Connector (SATAI_4,Red)
12 Intel H55 Chipset
13 16Mb SPI Flash
14 USB 2.0 Header (USB8_9, Blue)
15 USB 2.0 Header (USB6_7, Blue)
16 System Panel Header (PANEL1,Orange)
17 USB 2.0 Header (USB10_11, Blue)
18 Clear CMOS Jumper (CLRCMOS1)
19 Chassis Speaker Header
(SPEAKER 1, Purple)
20 Chassis Fan Connector (CHA_FAN1)
21 Chassis Intrusion Header (CI1)
22 TPM Header (TPM1)
23 Infrared Module Header (IR1)
24 Print Port Header (LPT1, Purple)
25 COM Port Header (COM1)
26 PCI Slot (PCI1)
27 PCI Express 2.0 x16 Slot (PCIE3, White)
28 PCI Express 2.0 x1 Slot (PCIE2, White)
29 PCI Express 2.0 x16 Slot (PCIE1, Blue)
30 HDMI SPDIF Header
(HDMI_SPDIF1, Yellow)
31 Front Panel Audio Header
(HD AUDIO1,Lime)
I/O Panel

1 USB 2.0 Ports (USB45)
2 VGA/D-Sub Port
*3 LAN RJ-45 Port
4 Central/Bass (Orange)
5 Rear Speaker (Black)
6 Optical SPDIF Out Port
7 Line In (Light Blue)
**8 Front Speaker (Lime)
9 Microphone (Pink)
10 USB 2.0 Ports (USB01)
11 Powered eSATAI/USB Connectors
12 HDMI Port
13 VGA/DVI-D Port
14 PS/2 Keyboard Port (Purple)
- 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
Activity/Link LED
| Status | Description |
| Off | No Link |
| Blinking | Data Activity |
| On | Link |
SPEED LED
| Status | Description |
| Off | 10Mbps connection |
| Orange | 100Mbps connection |
| Green | 1Gbps connection |
ACT/LINK SPEED

LAN Port
** If you use 2-channel speaker, please connect the speaker's plug into "Front Speaker Jack". See the table below for connection details in accordance with the type of speaker you use.
TABLE for Audio Output Connection
| Audio Output Channels | Front Speaker (No. 8) | Rear Speaker (No. 5) | Central / Bass (No. 4) | Line In (No. 7) |
| 2 | V | -- | -- | -- |
| 4 | V | V | -- | -- |
| 6 | V | V | V | -- |
| 8 | V | V | V | V |
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.
For Windows XP / XP 64-bit OS:
Please click "VIA HD Audio Deck" icon. Click "Jack" and then click "Configuration". In "Configuration" screen, please check the item "Independent Headphone".
For Windows® 7 / 7 64-bit / Vista™ / Vista™ 64-bit OS:
Please click "VIA HD Audio Deck" icon. Click "Advanced Options" on the right side on the bottom. In "Advanced Options" screen, please check the item "Independent Headphone".
1. Introduction
Thank you for purchasing ASRock H55M motherboard, a reliable motherboard produced under ASRock's consistently stringent quality control. It delivers excellent performance with robust design conforming to ASRock's commitment to quality and endurance.
This Quick Installation Guide contains introduction of the motherboard and step-by-step installation guide. More detailed information of the motherboard can be found in the user manual presented in the Support CD.

Because the motherboard specifications and the BIOS software might be updated, the content of this manual will be subject to change without notice. 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. www.asrock.com/support/index.asp
1.1 Package Contents
ASRock H55M Motherboard
(Micro ATX Form Factor: 9.6-in x 8.8-in, 24.4 cm x 22.4 cm)
ASRock H55M Quick Installation Guide
ASRock H55M Support CD
2 x Serial ATA (SATA) Data Cables (Optional)
1 x I/O Panel Shield
1.2 Specifications
| Platform | - Micro ATX Form Factor: 9.6-in x 8.8-in, 24.4 cm x 22.4 cm - Solid Capacitor for CPU power |
| CPU | - Supports Intel® Core™ i7 / i5 / i3 and Pentium® G6950 Processors in LGA1156 Package - 4 + 1 Power Phase Design - Supports Intel® Turbo Boost Technology (see CAUTION 1) - Supports Hyper-Threading Technology (see CAUTION 2) - Supports Untied Overclocking Technology (see CAUTION 3) - Supports EM64T CPU |
| Chipset | - Intel® H55 |
| Memory | - Dual Channel DDR3 Memory Technology (see CAUTION 4) - 2 x DDR3 DIMM slots - Supports DDR3 2600+(OC)/2133(OC)/1866(OC)/1600/1333/1066 non-ECC, un-buffered memory - Max. capacity of system memory: 8GB (see CAUTION 5) - Supports Intel® Extreme Memory Profile (XMP) (see CAUTION 6) |
| Expansion Slot | - 1 x PCI Express 2.0 x16 slot (at x16 mode) - 1 x PCI Express 2.0 x16 slot (at x4 mode, 2.5GT/s) - 1 x PCI Express 2.0 x1 slot (2.5GT/s) - 1 x PCI slot - Supports ATI™ CrossFireX™ and Quad CrossFireX™ |
| Graphics * | * Requires a Processor with Intel® Graphics Technology - Intel® Graphics Media Accelerator HD - Pixel Shader 4.0, DirectX 10 - Max. shared memory 1759MB (see CAUTION 7) - Three VGA Output options: D-Sub, DVI-D and HDMI (see CAUTION 8) - Supports HDMI 1.3a Technology with max. resolution up to 1920x1200 - Supports DVI with max. resolution up to 1920x1200 @ 60Hz - Supports D-Sub with max. resolution up to 2048x1536 @ 75Hz - Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 1.3a (Compliant HDMI monitor is required) (see CAUTION 9) - Supports HDCP function with DVI and HDMI ports - Supports Full HD 1080p Blu-ray (BD) / HD-DVD playback |
| Audio | - 7.1 CH HD Audio (VIA® VT1718S Audio Codec) |
| LAN | - PCIE x1 Gigabit LAN 10/100/1000 Mb/s - Realtek RTL8111DL - Supports Wake-On-LAN |
| Rear Panel I/O | I/O Panel - 1 x PS/2 Keyboard Port - 1 x VGA/D-Sub Port - 1 x VGA/DVI-D Port - 1 x HDMI Port - 1 x Optical SPDIF Out Port - 4 x Ready-to-Use USB 2.0 Ports - 2 x Powered eSATAII/USB Connectors - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) - HD Audio Jack: Rear Speaker/Central/Bass/Line in/Front Speaker/Microphone (see CAUTION 10) |
| Connector | - 4 x SATAII 3.0Gb/s connectors, support NCQ, AHCI and “Hot Plug” functions (see CAUTION 11) - 1 x IR header - 1 x Print Port header - 1 x COM port header - 1 x HDMI_SPDIF header - 1 x TPM header - 1 x Chassis Intrusion header - CPU/Chassis/Power FAN connector - 24 pin ATX power connector - 8 pin 12V power connector - Front panel audio connector - 3 x USB 2.0 headers (support 6 USB 2.0 ports) (see CAUTION 12) |
| BIOS Feature | - 16Mb AMI Legal BIOS - Supports “Plug and Play” - ACPI 1.1 Compliance Wake Up Events - Supports jumperfree - SMBIOS 2.3.1 Support - CPU, CPU GFX, VCCM, SB, VTT, PCH PLL Voltage Multi-adjustment - Supports I. O. T. (Intelligent Overclocking Technology) - Supports Smart BIOS |
| Support CD | - Drivers, Utilities, AntiVirus Software (Trial Version), ASRock Software Suite (CyberLink DVD Suite and Creative Sound Blaster X-Fi MB) (OEM and Trial Version) |
| Unique Feature | - ASRock OC Tuner (see CAUTION 13)- Intelligent Energy Saver (see CAUTION 14)- Instant Boot- ASRock Instant Flash (see CAUTION 15)- ASRock OC DNA (see CAUTION 16)- Hybrid Booster:- CPU Frequency Stepless Control (see CAUTION 17)- ASRock U-COP (see CAUTION 18)- Boot Failure Guard (B.F.G.)- Combo Cooler Option (C.C.O.) (see CAUTION 19)- Good Night LED |
| Hardware Monitor | - CPU Temperature Sensing- Chassis Temperature Sensing- CPU/Chassis/Power Fan Tachometer- CPU Quiet Fan- CPU/Chassis Fan Multi-Speed Control- CASE OPEN detection-Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore |
| OS | - Microsoft® Windows® 7 / 7 64-bit / Vista™ / Vista™ 64-bit / XP / XP 64-bit compliant |
| Certifications | - FCC, CE, WHQL-EuP Ready (EuP ready power supply is required)(see CAUTION 20) |
- 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. 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.
CAUTION!
- Intel® Core™ i3 and Pentium® G6950 processors do not support Intel® Turbo Boost Technology.
- About the setting of "Hyper Threading Technology", please check page 44 of "User Manual" in the support CD.
- This motherboard supports Untied Overclocking Technology. Please read "Untied Overclocking Technology" on page 27 for details.
- This motherboard supports Dual Channel Memory Technology. Before you implement Dual Channel Memory Technology, make sure to read the installation guide of memory modules on page 15 for proper installation.
- Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 7 / Vista™ / XP. For Windows® OS with 64-bit CPU, there is no such limitation.
- For those CPU that only support up to DDR3 1333, the XMP DDR3 1600 is supported through overclocking.
- The maximum shared memory size is defined by the chipset vendor and is subject to change. Please check Intel® website for the latest information.
- You can choose to use two of the three monitors only. D-Sub, DVI-D and HDMI monitors cannot be enabled at the same time. Besides, with the DVI-to-HDMI adapter, the DVI-D port can support the same features as HDMI port.
- xvYCC and Deep Color are only supported under Windows® 7 64-bit / 7. Deep Color mode will be enabled only if the display supports 12bpc in EDID. HBR is supported under Windows® 7 64-bit / 7 / Vista™ 64-bit / Vista™.
- For microphone input, this motherboard supports both stereo and mono modes. For audio output, this motherboard supports 2-channel, 4-channel, 6-channel, and 8-channel modes. Please check the table on page 3 for proper connection.
- Before installing SATAll hard disk to SATAll connector, please read the "SATAll Hard Disk Setup Guide" on page 31 of "User Manual" in the support CD to adjust your SATAll hard disk drive to SATAll mode. You can also connect SATA hard disk to SATAll connector directly.
- Power Management for USB 2.0 works fine under Microsoft® Windows® 7 64-bit / 7 / Vista™ 64-bit / Vista™ / XP 64-bit / XP SP1 or SP2.
- 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® environment. Please visit our website for the operation procedures of ASRock OC Tuner.
ASRock website: http://www.asrock.com/features/OCTuner/index.htm - Featuring an advanced proprietary hardware and software design, Intelligent Energy Saver is a revolutionary technology that delivers unparalleled power savings. In other words, it is able to provide exceptional power saving and improve power efficiency without sacrificing computing
performance. Please visit our website for the operation procedures of Intelligent Energy Saver. ASRock website: http://www.asrock.com/features/IES/index.html
- ASRock Instant Flash is a BIOS flash utility embedded in Flash ROM. This convenient BIOS update tool allows you to update system BIOS without entering operating systems first like MS-DOS or Windows®. With this utility, you can press <F6> key during the POST or press <F2> key to BIOS setup menu to access ASRock Instant Flash. 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. Please be noted that the USB flash drive or hard drive must use FAT32/16/12 file system.
- The software name itself – OC DNA literally tells you what it is capable of. OC DNA, an exclusive utility developed by ASRock, provides a convenient way for the user to record the OC settings and share with others. It helps you to save your overclocking record under the operating system and simplifies the complicated recording process of overclocking settings. With OC DNA, you can save your OC settings as a profile and share with your friends! Your friends then can load the OC profile to their own system to get the same OC settings as yours! Please be noticed that the OC profile can only be shared and worked on the same motherboard.
- Although this motherboard offers stepless control, it is not recommended to perform over-clocking. Frequencies other than the recommended CPU bus frequencies may cause the instability of the system or damage the CPU.
- While CPU overheat is detected, the system will automatically shutdown. Before you resume the system, please check if the CPU fan on the motherboard functions properly and unplug the power cord, then plug it back again. To improve heat dissipation, remember to spray thermal grease between the CPU and the heatsink when you install the PC system.
- Combo Cooler Option (C.C.O.) provides the flexible option to adopt two different CPU cooler types, Socket LGA 775 and LGA 1156. Please be noticed that not all the 775 CPU Fan can be used.
- EuP, stands for Energy Using Product, was a provision regulated by European Union to define the power consumption for the completed system. According to EuP, the total AC power of the completed system shall be under 1.00W in off mode condition. To meet EuP standard, an EuP ready motherboard and an EuP ready power supply are required. According to Intel's suggestion, the EuP ready power supply must meet the standard of 5v standby power efficiency is higher than 50% under 100mA current consumption. For EuP ready power supply selection, we recommend you checking with the power supply manufacturer for more details.
1.3 Two CrossFireX™ Graphics Card Support List (for Windows® XP / XP 64-bit / Vista™ / Vista™ 64-bit)
| Chipset Vendor | Model Name | Chipset Name | Driver |
| ATI | ASUS-EAH4350-SILIENT-DI/512M-DDR2 | Radeon HD4350 | Catalyst 9.7 |
| GECUBE HD4850/512M/GDDR3 | Radeon HD4850 | Catalyst 9.7 | |
| Gigabyte GV-RX26T256HP-B | Radeon HD 2600XT | Catalyst 9.7 | |
| GIGABYTE GV-RX385256H-B | Radeon HD 3850 | Catalyst 9.7 | |
| MSI RX2600PRO-T2D256EZ | Radeon HD 2600PRO | Catalyst 9.7 | |
| Powercolor HD3650/512M | Radeon HD 3650 | Catalyst 9.7 | |
| Powercolor HD3870/512MB | Radeon HD 3870 | Catalyst 9.7 | |
| Powercolor HD4670/512MB-GDDR3 | Radeon HD4670 | Catalyst 9.7 |
- For the latest updates of the supported PCI Express VGA card list for CrossFire™ Mode, please visit our website for details. ASRock website: http://www.asrock.com/support/index.htm
2. Installation
Pre-Installation Precautions
Take note of the following precautions before you install motherboard components or change any motherboard settings.
- Unplug the power cord from the wall socket before touching any component. Failure to do so may cause severe damage to the motherboard, peripherals, and/or components.
- To avoid damaging the motherboard components due to static electricity, NEVER place your motherboard directly on the carpet or the like. Also remember to use a grounded wrist strap or touch a safety grounded object before you handle components.
- Hold components by the edges and do not touch the ICs.
- Whenever you uninstall any component, place it on a grounded antstatic pad or in the bag that comes with the component.
- When placing screws into the screw holes to secure the motherboard to the chassis, please do not over-tighten the screws! Doing so may damage the motherboard.
2.1 CPU Installation
For the installation of Intel 1156-Pin CPU, please follow the steps below.

1156-Pin Socket Overview

Before you insert the 1156-Pin CPU into the socket, please check if the CPU surface is unclean or if there is any bent pin on the socket. Do not force to insert the CPU into the socket if above situation is found. Otherwise, the CPU will be seriously damaged.
Step 1. Open the socket:
Step 1-1. Disengaging the lever by depressing down and out on the hook to clear retention tab.
Step 1-2. Rotate the load lever to fully open position at approximately 135 degrees.
Step 1-3. Rotate the load plate to fully open position at approximately 100 degrees.
Step 2. Remove PnP Cap (Pick and Place Cap).




- It is recommended to use the cap tab to handle and avoid kicking off the PnP cap.
- This cap must be placed if returning the motherboard for after service.
Step 3. Insert the 1156-Pin CPU:
Step 3-1. Hold the CPU by the edges where are marked with black lines.

Step 3-2. Orient the CPU with IHS (Integrated Heat Sink) up. Locate Pin1 and the two orientation key notches.



1156-Pin CPU
For proper inserting, please ensure to match the two orientation key notches of the CPU with the two alignment keys of the socket.
Step 3-3. Carefully place the CPU into the socket by using a purely vertical motion.
Step 3-4. Verify that the CPU is within the socket and properly mated to the orient keys.


Step 4. Close the socket:
Step 4-1. Rotate the load plate onto the IHS.
Step 4-2. While pressing down lightly on load plate, engage the load lever.
Step 4-3. Secure load lever with load plate tab under retention tab of load lever.
2.2 Installation of CPU Fan and Heatsink
For proper installation, please kindly refer to the instruction manuals of your CPU fan and heatsink.
Below is an example to illustrate the installation of the heatsink for 1156-Pin CPU.
Step 1. Apply thermal interface material onto center of IHS on the socket surface.


Step 2. Place the heatsink onto the socket. Ensure fan cables are oriented on side closest to the CPU fan connector on the motherboard (CPU_FAN1, see page 2, No. 3).
Step 3. Align fasteners with the motherboard throughholes.
Step 4. Rotate the fastener clockwise, then press down on fastener caps with thumb to install and lock. Repeat with remaining fasteners.


If you press down the fasteners without rotating them clockwise, the heatsink cannot be secured on the motherboard.
Step 5. Connect fan header with the CPU fan connector on the motherboard.
Step 6. Secure excess cable with tie-wrap to ensure cable does not interfere with fan operation or contact other components.

Please be noticed that this motherboard supports Combo Cooler Option (C.C.O.), which provides the flexible option to adopt two
different CPU cooler types, Socket LGA 775 and LGA 1156. The white throughholes are for Socket LGA 1156 CPU fan.

2.3 Installation of Memory Modules (DIMM)
H55M motherboard provides two 240-pin DDR3 (Double Data Rate 3) DIMM slots, and supports Dual Channel Memory Technology. For dual channel configuration, you always need to install two identical (the same brand, speed, size and chip-type) memory modules in the DDR3 DIMM slots to activate Dual Channel Memory Technology. Otherwise, it will operate at single channel mode.

- It is not allowed to install a DDR or DDR2 memory module into DDR3 slot;otherwise, this motherboard and DIMM may be damaged.
- If you install only one memory module or two non-identical memory modules, it is unable to activate the Dual Channel Memory Technology.
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. Align a DIMM on the slot such that the notch on the DIMM matches the break on the slot.


The DIMM only fits in one correct orientation. It will cause permanent damage to the motherboard and the DIMM if you force the DIMM into the slot at incorrect orientation.
Step 3. Firmly insert the DIMM into the slot until the retaining clips at both ends fully snap back in place and the DIMM is properly seated.
2.4 Expansion Slots (PCI and PCI Express Slots)
There are 1 PCI slot and 3 PCI Express slots on this motherboard.
PCI slot: PCI slot is used to install expansion cards that have the 32-bit PCI interface.
PCIE slots:
PCIE1 (PCIE x16 slot; Blue) is used for PCI Express x16 lane width graphics cards, or used to install PCI Express graphics cards to support CrossFire™ function.
PCIE2 (PCIE x1 slot; White) is used for PCI Express cards with x1 lane width cards, such as Gigabit LAN card, SATA2 card, etc.
PCIE3 (PCIE x16 slot; White) is used for PCI Express x4 lane width cards, or used to install PCI Express graphics cards to support CrossFire ^TM function.

- In single VGA card mode, it is recommended to install a PCI Express x16 graphics card on PCIE1 slot.
- In CrossFire™ mode, please install PCI Express x16 graphics cards on PCIE1 and PCIE3 slots. Therefore, PCIE1 slot will work at x16 bandwidth while PCIE3 slot will work at x4 bandwidth.
Installing an expansion card
Step 1. Before installing the expansion card, please make sure that the power supply is switched off or the power cord is unplugged. Please read the documentation of the expansion card and make necessary hardware settings for the card before you start the installation.
Step 2. Remove the system unit cover (if your motherboard is already installed in a chassis).
Step 3. Remove the bracket facing the slot that you intend to use. Keep the screws for later use.
Step 4. Align the card connector with the slot and press firmly until the card is completely seated on the slot.
Step 5. Fasten the card to the chassis with screws.
Step 6. Replace the system cover.
2.5 CrossFireX™ and Quad CrossFireX™ Operation Guide
This motherboard supports CrossFireX™ and Quad CrossFireX™ feature. 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. Currently CrossFireX™ feature is supported with Windows® XP with Service Pack 2 / Vista™ / 7 OS. Quad CrossFireX™ feature are supported with Windows® Vista™ / 7 OS only. Please check AMD website for ATI™ CrossFireX™ driver updates.

- 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.
- If you pair a 12-pipe CrossFireX™ Edition card with a 16-pipe card, both cards will operate as 12-pipe cards while in CrossFireX™ mode.
2.5.1 Graphics Cards Setup

Different CrossFireX™ cards may require different methods to enable CrossFireX™ feature. In below procedures, we use Radeon HD 3870 as the example graphics card. For other CrossFireX™ cards that ATI™ has released or will release in the future, please refer to ATI™ graphics card manuals for detailed installation guide.
Step 1. Insert one Radeon graphics card into PCIE1 slot and the other Radeon graphics card to PCIE3 slot. Make sure that the cards are properly seated on the slots.

Step 2. Connect two Radeon graphics cards by installing CrossFire Bridge on CrossFire Bridge Interconnects on the top of Radeon graphics cards. (CrossFire Bridge is provided with the graphics card you purchase, not bundled with this motherboard. Please refer to your graphics card vendor for details.)

CrossFire Bridge


or
Step 2. 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.)
2.5.2 Driver Installation and Setup
Step 1. Power on your computer and boot into OS.
Step 2. Remove the ATI^TM driver if you have any VGA driver installed in your system.

The Catalyst Uninstaller is an optional download. We recommend using this utility to uninstall any previously installed Catalyst drivers prior to installation. Please check AMD website for ATI™ driver updates.
Step 3. Install the required drivers to your system.
For Windows XP OS:
A. ATI™ recommends Windows® XP Service Pack 2 or higher to be installed (If you have Windows® XP Service Pack 2 or higher installed in your system, there is no need to download it again): http://www.microsoft.com/windowsxp/sp2/default.mspx
B. You must have Microsoft .NET Framework installed prior to downloading and installing the CATALYST Control Center. Please check Microsoft website for details.
For Windows® Vista™ OS:
Install the CATALYST Control Center. Please check AMD website for details.
Step 4. Restart your computer.
Step 5. Install the VGA card drivers to your system, and restart your computer. Then you will find "ATI Catalyst Control Center" on your Windows® taskbar.

ATI Catalyst Control Center
Step 6. Double-click "ATI Catalyst Control Center". Click "View", select "CrossFireX™", and then check the item "Enable CrossFireX™". Select the option according to the total GPU number on the Radeon graphics cards.
Click "Apply".


Although you have selected the option "Enable CrossFire™", the CrossFireX™ function may not work actually. 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.
Step 7. You can freely enjoy the benefit of CrossFireX™ or Quad CrossFireX™ feature.
- 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™ CrossFireX™ technology, please check AMD website for updates and details.
2.6 Surround Display Feature
This motherboard supports Surround Display upgrade. With the external add-on PCI Express VGA cards, you can easily enjoy the benefits of Surround Display feature. For the detailed instruction, please refer to the document at the following path in the Support CD:
\Surround Display Information
2.7 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 is placed on pins, the jumper is "Open". The illustration shows a 3-pin jumper whose pin1 and pin2 are "Short" when jumper cap is placed on these 2 pins.

Short

Open

Jumper
Clear CMOS Jumper
| PS2_USB_PWR1 (see p.2 No. 2) | 1_2 +5V | 2_3 +5VSB | Short pin2, pin3 to enable +5VSB (standby) for PS/2 or USB wake up events. |
Note: To select +5VSB, it requires 2 Amp and higher standby current provided by power supply.
(CLRCMOS1)
(see p.2 No. 18)

Default

Clear CMOS
Note: CLRCMOS1 allows you to clear the data in CMOS. The data in CMOS includes system setup information such as system password, date, time, and system setup parameters. To clear and reset the system parameters to default setup, please turn off the computer and unplug the power cord from the power supply. After waiting for 15 seconds, use a jumper cap to short pin2 and pin3 on 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 before you do the clear-CMOS action.

If you clear the CMOS, the case open may be detected. Please adjust the BIOS option "Clear Status" to clear the record of previous chassis intrusion status.
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!
Serial ATAII Connectors
(SATAll_1: see p.2, No.9)
(SATAI_L_2: see p.2, No.8)
(SATAI_3: see p.2, No. 10)
(SATAI_4: see p.2, No. 11)


These four Serial ATAII (SATAII) connectors support SATA data cables for internal storage devices. The current SATAII interface allows up to 3.0 Gb/s data transfer rate.
Serial ATA (SATA)
Data Cable
(Optional)

Either end of the SATA data cable can be connected to the SATA / SATAll hard disk or the SATAll connector on this motherboard.
USB 2.0 Headers
(9-pin USB10_11)
(see p.2 No.17)

Besides four default USB 2.0 ports on the I/O panel, there are three USB 2.0 headers on this motherboard. Each USB 2.0 header can support two USB 2.0 ports.
(9-pin USB8_9)
(see p.2 No. 14)

(9-pin USB6_7)
(see p.2 No. 15)

Print Port Header
(25-pin LPT1)
(see p.2 No. 24)

This is an interface for print port cable that allows convenient connection of printer devices.
TPM Header
(19-pin TPM1)
(see p.2 No. 22)

This connector supports a Trusted Platform Module (TPM) system, which can securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity.
Infrared Module Header
(5-pin IR1)
(see p.2 No. 23)

This header supports an optional wireless transmitting and receiving infrared module.
Chassis Intrusion Header
(2-pin Cl1)
(see p.2 No. 21)

This motherboard supports CASE OPEN detection feature that detects if the chassis cover has been removed. This feature requires a chassis with chassis intrusion detection design.
Front Panel Audio Header
(9-pin HD AUDIO1)
(see p.2 No. 31)

This is an interface for front panel audio cable that allows convenient connection and control of audio devices.

- 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.
- If you use AC'97 audio panel, please install it to the front panel audio header as below:
A. Connect Mic_IN (MIC) to MIC2_L.
B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.
C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for HD audio panel only. You don't need to connect them for AC'97 audio panel.
E. Enter BIOS Setup Utility. Enter Advanced Settings, and then select Chipset Configuration. Set the Front Panel Control option from [Auto] to [Enabled].
System Panel Header
(9-pin PANEL1)
(see p.2 No.16)

This header accommodates several system front panel functions.
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.2 No.19)

Please connect the chassis speaker to this header.
Chassis and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.2 No. 20)

Please connect the fan cables to the fan connectors and match the black wire to the ground pin.
(3-pin PWR_FAN1)
(see p.2 No.4)

CPU Fan Connector
(4-pin CPU_FAN1)
(see p.2 No. 3)

Please connect a CPU fan cable to this connector and match the black wire to the ground pin.

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.
Pin 1-3 Connected

3-Pin Fan Installation

ATX Power Connector
(24-pinATXPWR1)
(see p.2, No. 7)

Please connect an ATX power supply to this connector.

Though this motherboard provides 24-pin ATX power connector, it can still work if you adopt a traditional 20-pin ATX power supply. To use the 20-pin ATX power supply, please plug your power supply along with Pin 1 and Pin 13.
20-Pin ATX Power Supply Installation

ATX 12V Power Connector
(8-pinATX12V1)
(see p.2 No.1)

Please connect an ATX 12V
power supply to this connector.

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.
4-Pin ATX 12V Power Supply Installation

Serial port Header
(9-pin COM1)
(see p.2 No.25)

HDMI_SPDIFHeader
(3-pin HDMI_SPDIF1)
(see p.2 No. 30)

HDMI_SPDIFCable
(Optional)

This COM1 header supports a serial port module.
HDMI_SPDIF header, providing SPDIF audio output to HDMI VGA card, allows the system to connect HDMI Digital TV/ projector/LCD devices. Please connect the HDMI_SPDIF connector of HDMI VGA card to this header.
Please connect the black end (A) of HDMI_SPDIF cable to the 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. white end (2-pin)

C. white end (3-pin)

2.9 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. Therefore, the drivers you install can work properly.
2.10 Installing Windows® 7 / 7 64-bit / Vista™ /
Vista™ 64-bit / XP / XP 64-bit Without RAID Functions
If you want to install Windows® 7 / 7 64-bit / Vista™ / Vista™ 64-bit / XP / XP 64-bit OS on your SATA / SATAAll HDDs without RAID functions, please follow below procedures according to the OS you install.
2.10.1 Installing Windows XP / XP 64-bit Without RAID Functions
If you want to install Windows® XP / XP 64-bit OS on your SATA / SATAII HDDs without RAID functions, please follow below steps.

AHCI mode is not supported under Windows XP / XP 64-bit OS.
Using SATA / SATAAll HDDs without NCQ function
STEP 1: Set up BIOS.
A. Enter BIOS SETUP UTILITY Advanced screen Storage Configuration.
B. Set the option "SATA Operation Mode" to [IDE].
STEP 2: Install Windows XP / XP 64-bit OS on your system.
2.10.2 Installing Windows® 7 / 7 64-bit / Vista™ / Vista™ 64-bit Without RAID Functions
If you want to install Windows® 7 / 7 64-bit / Vista™ / Vista™ 64-bit OS on your SATAH / SATAAll HDDs without RAID functions, please follow below steps.
Using SATA / SATAAll HDDs without NCQ function
STEP 1: Set up BIOS.
A. Enter BIOS SETUP UTILITY Advanced screen Storage Configuration.
B. Set the option "SATA Operation Mode" to [IDE].
STEP 2: Install Windows® 7 / 7 64-bit / Vista™ / Vista™ 64-bit OS on your system.
Using SATA / SATAII HDDs with NCQ function
STEP 1: Set Up BIOS.
A. Enter BIOS SETUP UTILITY Advanced screen Storage Configuration.
B. Set the option "SATA Operation Mode" to [AHCI].
STEP 2: Install Windows® 7 / 7 64-bit / Vista™ / Vista™ 64-bit OS on your system.
2.11 Untied Overclocking Technology
This motherboard supports Untied Overclocking Technology, which means during overclocking, FSB enjoys better margin due to fixed PCI / PCIE buses. Before you enable Untied Overclocking function, please enter "Overclock Mode" option of BIOS setup to set the selection from [Auto] to [Manual]. 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.

Please refer to the warning on page 8 for the possible overclocking risk before you apply Untied Overclocking Technology.
3. BIOS Information
The Flash Memory on the motherboard stores BIOS Setup Utility. When you start up the computer, please press
4. Software Support CD Information
This motherboard supports various Microsoft® Windows® operating systems: 7 / 7 64-bit / Vista™ / Vista™ 64-bit / XP / XP 64-bit. The Support CD that came with the motherboard contains necessary drivers and useful utilities that will enhance motherboard features. To begin using the Support CD, insert the CD into your CD-ROM drive. It will display the Main Menu automatically if “AUTORUN” is enabled in your computer. If the Main Menu does not appear automatically, locate and double-click on the file “ASSETUP.EXE” from the BIN folder in the Support CD to display the menus.
1. Einführung
www.asrock.com/support/index.asp
1.1 Kartoninhalt
ASRock H55M Motherboard
(Micro ATX-Formfaktor: 24.4cm× 22.4cm;9.6 Zoll × 8.8 Zoll)
ASRock H55M Support-CD
Zwei Serial ATA (SATA) - Datenkabel (optional)
Ein I/O Shield
1.2 Spezifikationen
ASRock H55M Motherboard
2.1 CPU Installation
2.6 "Surround Display"

(Orifices des attaches ressortant)
2.6 "Surround Display"
www.asrock.com/support/index.asp
(Micro ATX Form Factor: 9.6-in x 8.8-in, 24.4 cm x 22.4 cm)
2.6 "Surround Display"
(CLRCMOS1, jumper a 3 pin)
(vedi p.2 Nr.18)


Impostazione
predefinita


Azzeramento
CMOS
2.6 "Surround Display"
(CLRCMOS1, jumper de 3 pins)
(vea p.2, N. 18)




www.asrock.com/support/index.asp
1.1 品力
ASRock H55M 号迪邦三
(MicroATX吾默: 9.6^ X8.8",24.4x22.4cm)
2.6 "Surround Display"
iSurroundDisplay(,SurroundDisplay(,SurroundDisplay(
2.7 甄别 命号
it#iE F#F# #F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F# F#F#
TPM 账户
(19版TPM1)
(2珔i,22

iKerckTeHnK,diJitelIeNc,am
HOfTBeIeTeRtoAnEaHaeZrA
HsueHtTrusted Platform
Module(TPM:SinReHaSsUocn
LpRePbMoD)uWenlHa.
TPM SiStBmToEloHan NteTofK
BoAnuHtoHaHgNdeTefID
LbBoHoHaOg PLoAePbMuaGeyi
OohseHaTOkDoHaNnDa
SIRI CALI E O T E K I N B K T E
(9.1) COM1
(2.3019, 25)

iKoRbTnN siRil
MoIeJi
HDMI_SPDIF 走近
(3)用HDMI_SPDIF1
(2版)

..\Surround Display Information
2.7 跳线设置
www.asrock.com/support/index.asp
1.1包装盒内物品
華擎H55M主機板
步驟 3-2. 將有 IHS (Integrated Heat
Sink,散熱片)的一面朝上。
找到第1針和兩個方向標誌的
凹口。



..\Surround Display Information
ManualGo.com