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A55F-M4 USER MANUAL
Preface
Copyright
This publication, including all photographs, illustrations and software, is protected
under international copyright laws, with all rights reserved. Neither this manual, nor
any of the material contained herein, may be reproduced without written consent of
the author.
Version 3.0
Disclaimer
The information in this document is subject to change without notice. The manufac-
turer makes no representations or warranties with respect to the contents hereof
and specifically disclaims any implied warranties of merchantability or fitness for
any particular purpose. The manufacturer reserves the right to revise this publica-
tion and to make changes from time to time in the content hereof without obligation
of the manufacturer to notify any person of such revision or changes.
Trademark Recognition
Microsoft, MS-DOS and Windows are registered trademarks of Microsoft Corp.
AMD, Phenom, Athlon, Sempron, Turion, and Duron are registered trademarks of AMD
Corporation.
Other product names used in this manual are the properties of their respective owners
and are acknowledged.
Federal Communications Commission (FCC)
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential instal-
lation. This equipment generates, uses, and can radiate radio frequency energy and,
if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interfer-
ence will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
•Reorient or relocate the receiving antenna
•Increase the separation between the equipment and the receiver
•Connect the equipment onto an outlet on a circuit different from that to
which the receiver is connected
•Consult the dealer or an experienced radio/TV technician for help
Shielded interconnect cables and a shielded AC power cable must be employed with
this equipment to ensure compliance with the pertinent RF emission limits govern-
ing this device. Changes or modifications not expressly approved by the system’s
manufacturer could void the user’s authority to operate the equipment.

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A55F-M4 USER MANUAL
Declaration of Conformity
This device complies with part 15 of the FCC rules. Operation is subject to the follow-
ing conditions:
•This device may not cause harmful interference.
•This device must accept any interference received, including interference
that may cause undesired operation.
Canadian Department of Communications
This class B digital apparatus meets all requirements of the Canadian Interference-
causing Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Réglement
sur le matériel brouilieur du Canada.
The manual consists of the following:
Describes features of the
motherboard.
Hpage 1
Describes installation of
motherboard components.
Hpage 7
Hpage 25
Hpage 53
Installing the Motherboard
Introducing the Motherboard
Provides information on us-
ing the BIOS Setup Utility.
Chapter 5
Describes the motherboard
software.
page 57
H
Limits and methods of mesurement of radio disturbance char-
acteristics of information technology equipment
EN 55022
EN 61000-3-2 Disturbances in supply systems caused
EN 61000-3-3 Disturbances in supply systems caused by household appli-
ances and similar electrical equipment “ Voltage fluctuations”
EN 55024 Information technology equipment-Immunity characteristics-
Limits and methods of measurement
EN 60950 Safety for information technology equipment including electri-
cal business equipment
CE marking
About the Manual
This device is in conformity with the following EC/EMC directives:
Chapter 4
Chapter 1
Chapter 2
Chapter 3
Using BIOS
Using the Motherboard Software
Chapter 6
Setting Up AMD A55 RAID
Configuration
Provides information about
SATA RAID Setup
page 61
H
CrossFireTM Technology (AMD
Dual Graphics) Support
Describes the ATI Crossfire
TM
Technology
Chapter 7
Trouble Shooting
Provides basic trouble
shooting tips.
page 69
H

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A55F-M4 USER MANUAL
Chapter 2 7
Installing the Motherboard 7
Safety Precautions..............................................................................7
Installing the Motherboard in a Chassis.......................................7
Checking Jumper Settings..................................................................8
Installing Hardware...........................................................................9
Installing the Processor............................................................9
Installing the CPU Cooler........................................................10
Installing Memory Modules...................................................11
Installing Add-on Cards..........................................................12
Connecting Optional Devices.................................................14
Installing a SATA Hard Drive...................................................19
Connecting Case Components........................................................20
Front Panel Header................................................................23
TABLE OF CONTENTS
Preface i
Chapter 1 1
Introducing the Motherboard 1
Introduction...........................................................................................1
Pakage Contents..................................................................................1
Specifications......................................................................................2
Motherboard Components................................................................4
I/O Ports...............................................................................................6
Chapter 3 25
Using BIOS 25
About the Setup Utility......................................................................25
The Standard Configuration........................ ...........................25
Entering the Setup Utility.......................................................25
Resetting the Default CMOS Values.....................................26
Using BIOS.........................................................................................26
BIOS Navigation Keys..............................................................27
Main Menu.............................................................................28
Advanced Menu......................................................................29
Chipset Menu..........................................................................42
M.I.B III(MB Intelligent Bios III) Menu....................................44
Boot Menu...............................................................................45
Security Menu.........................................................................47
Exit Menu...............................................................................50
Updating the BIOS......................................................................51

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A55F-M4 USER MANUAL
Chapter 4 53
Using the Motherboard Software 53
Auto-installing under Windows XP/7/8.......................................53
Running Setup........................................................................53
Manual Installation..........................................................................55
ECS Utility Software (Intelligent EZ Utility).....................................55
Chapter 7 69
Trouble Shooting 69
Start up problems during assembly..............................................69
Start up problems after prolong use............................................70
Maintenance and care tips..............................................................70
Basic Troubleshooting Flowchart.....................................................71
Chapter 6 61
Setting Up AMD A55 RAID Configuration 61
Setting Up a Bootable RAID Array..................................................61
Chapter 5 57
CrossFireTM Technology [AMD Dual Graphics] Support 57
CrossFireTM Technology...................................................................57

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A55F-M4 USER MANUAL
Chapter 1
Chapter 1
Introducing the Motherboard
Introduction
Thank you for choosing the A55F-M4 motherboard. This motherboard is a high per-
formance, enhanced function motherboard that supports socket FM1 for AMD A
series processor for high-end business or personal desktop markets.
The motherboard is based on AMD A55 (Hudson D2) express chipset for best desktop
platform. A55 is a single-chip, highly integrated, high performance Hyper-Transport
peripheral controller, unmatched by any other single chip-device controller. The
memory controller supports DDR3 memory DIMM frequencies of 1866*1/1600/1333.
It supports two DDR3 slots with maximum memory size of 16 GB. One PCI Express x16
slot, intended for Graphics Interface, is fully compliant to the PCI Express Gen2 (ver-
sion 2.0). In addition, one PCI Express p5-x1 slot and one PCI slot are supported.
It implements USB 2.0 interface, supporting up to eight USB 2.0 ports (four USB 2.0
ports and two USB 2.0 headers support additional four USB 2.0 ports). This
motherboard integrates a Serial ATA host controller, supporting four SATA ports with
maximum transfer rate up to 3Gb/s each.
There is an full set of I/O ports in the rear panel, including PS/2 mouse and keyboard
connectors, one D-sub (VGA) port, one HDMI(Optional*2), four USB 2.0 ports, one LAN
port, three audio jacks for microphone, line-in and 6-ch line-out.
Your motherboard package ships with the following items:
Package Contents
A55F-M4 Motherboard
Quick Installation Guide
User Manual
DVD
I/O Shield
2 SATA 3Gb/s Cables
The package contents above are for reference only, please take the actual
package items as standard.
*1. Due to the limitation of chipset spec, it supports up to 1866 MHz for
motherboard with a single DIMM per channel.
*2. The HDMI port is optional, please take the actual motherboard as stan-
dard. If you have any questions, please contact the sellers.

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A55F-M4 USER MANUAL
Chapter 1
• AMI BIOS with 32Mb SPI Flash ROM
- Supports ECS MIB III Utility
- Supports Plug and Play, STR(S3)/STD(S4)
- Supports Hardware Monitor
- Supports ACPI 3.0 version & DMI
- Audio, LAN, can be disabled in BIOS
- Supports ECS GUI UEFI BIOS
- Supports Graphic Over-Clocking
- Supports Dual-Monitor function
- F7 hot key for boot up devices option
- Supports Pgup clear CMOS Hotkey (Has PS2 KB Model only)
System BIOS
Form Factor • Micro-ATX Size, 230mm x 180mm

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Motherboard Components

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I/O Ports
1. PS/2 Mouse(green)
Use the upper PS/2 port to connect a PS/2 mouse.
2. PS/2 Keyboard(purple)
Use the lower PS/2 port to connect a PS/2 keyboard.
3. VGA Port
You can connect the display device to the VGA port.
4. HDMI Port (optional)
You can connect the display device to the HDMI port.
5. USB 2.0 Ports
Use the USB 2.0 ports to connect USB 2.0 devices.
6. LAN Port
Connect an RJ-45 jack to the LAN port to connect your computer to the Network.
7. Line-in(blue)
It can be connected to an external CD/DVD player, Tape player or other audio
devices for audio input.
8. Line-out(lime)
It is used to connect to speakers or headphones.
9. Microphone(pink)
It is used to connect to a microphone.
LAN LED Status Description
OFF
No data
Orange blinking
Active
OFF
No link
Green
Link
Activity LED
Link LED
Link LED
LAN Port

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A55F-M4 USER MANUAL
Chapter 2
Installing the Motherboard
2-1. Safety Precautions
2-2. Installing the motherboard in a Chassis
This motherboard carries a Micro ATX form factor of 230 x 180 mm. Choose a chassis
that accommodates this from factor. Make sure that the I/O template in the chassis
matches the I/O ports installed on the rear edge of the motherboard. Most system
chassis have mounting brackets installed in the chassis, which corresponds to the
holes in the motherboard. Place the motherboard over the mounting brackets and
secure the motherboard onto the mounting brackets with screws.
Follow these safety precautions when installing the motherboard:
• Wear a grounding strap attached to a grounded device to avoid damage
from static electricity.
• Discharge static electricity by touching the metal case of a safely grounded
object before working on the motherboard.
• Leave components in the static-proof bags.
• Always remove the AC power by unplugging the power cord from the power
outlet before installing or removing the motherboard or other hardware
components.
Do not over-tighten the screws as this can stress the motherboard.

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The following illustration shows the location of the motherboard jumpers. Pin 1 is
labeled.
1. To avoid the system instability after clearing CMOS, we recommend users to
enter the main BIOS setting page to “Load Default Settings” and then “Save
and Exit Setup”.
2. Make sure the power supply provides enough 5VSB voltage before selecting
the 5VSB function.
3. It is required that users place the USBPWR_F1 & USBPWR_R1 cap onto 2-3
pin rather than 1-2 pin as default if you want to wake up the computer by USB/
PS2 KB/Mouse.
2-3. Checking Jumper Settings

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A55F-M4 USER MANUAL
A. Apply some thermal grease onto the contacted area between the
heatsink and the CPU, and make it to be a thin layer.
B. Put the CPU Fan down on the retention module and flip the levers
over the heat sink in place.
C. Connect the CPU cooler power connector to the CPU_FAN connector.
2-4-2. Installing the CPU Cooler
• Install the cooling fan in a well-lit work area so that you can clearly see the
motherboard and processor socket.
• Avoid using cooling fans with sharp edges in case the fan casing and the
clips cause serious damage to the motherboard or its components.
• To achieve better airflow rates and heat dissipation, we suggest that you
use a high quality fan with 3800 rpm at least. CPU fan and heat sink instal-
lation procedures may vary with the type of CPU fan/heatsink supplied.
The form and size of fan/heatsink may also vary.
• The following illustration shows how to install CPU fan.

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A55F-M4 USER MANUAL
2-4-3. Installing Memory Modules
• This motherboard accommodates four memory modules. It can support
two 240-pin DDR3 1866*/1600/1333.
• Do not remove any memory module from its antistatic packaging until
you are ready to install it on the motherboard. Handle the modules only
by their edges. Do not touch the components or metal parts. Always wear
a grounding strap when you handle the modules.
• You must install at least one module in any of the two slots. Total memory
capacity is 16 GB.
• Refer to the following to install the memory modules.
C. The slot latches are levered upwards and latch on to the edges of the
DIMM.
A. Push the latches on each side of the DIMM slot down.
B. Install the DIMM module into the slot and press it firmly down until it
seats correctly. Check that the cutouts on the DIMM module edge
connector match the notches in the DIMM slot.
*Due to the limitation of chipset spec, it supports up to 1866 MHz for
motherboard with a single DIMM per channel.

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2-4-4. Installing Add-on Cards
The slots on this motherboard are designed to hold expansion cards and connect
them to the system bus. Expansion slots are a means of adding or enhancing the
motherboard’s features and capabilities. With these efficient facilities, you can
increase the motherboard’s capabilities by adding hardware that performs tasks
that are not part of the basic system.
PCIEX16 Slot The PCI Express x16 slot is used to install an external PCI Ex-
press graphics card that is fully compliant to the PCI Express
Base Specification revision 2.0.
Before installing an add-on card, check the documentation for the card care-
fully. If the card is not Plug and Play, you may have to manually configure the
card before installation.
The PCI Express p16-x1 slot is fully compliant to the PCI Express Base
Specification revision 2.0.
PCIE1 Slot
This motherboard is equipped with one standard PCI slot. PCI
stands for Peripheral Component Interconnect and is a bus
standard for expansion cards, which for the most part, is a
supplement of the older ISA bus standard. The PCI slot on this
board is PCI v2.2 compliant.
PCI Slot

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A55F-M4 USER MANUAL
SATA1~4 connectors are used to support the Serial ATA 3.0Gb/s device, simpler disk
drive cabling and easier PC assembly. It eliminates limitations of the current Paral-
lel ATA interface. But maintains register compatibility and software compatibility
with Parallel ATA.
1. SATA1~4: Serial ATA connectors
2-4-5. Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional
devices:
No. Components No. Components
1 SATA1~4 5 SPDIFO
2 F_USB1~2 6 CASE
3 LPT 7 F_AUDIO
4 COM —— ——

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4. COM: Onboard serial port header
Connect a serial port extension bracket to this header to add a serial port to your
system.
This is an optional header that provides an SPDIFO (Sony/Philips Digital Interface)
output to digital multimedia device through optical fiber or coaxial connector.
5. SPDIFO: SPDIF out header

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A55F-M4 USER MANUAL
6. CASE: Chassis Intrusion Detect Header
This detects if the chassis cover has been removed. This function needs a chassis
equipped with instrusion detection switch and needs to be enabled in BIOS.
The front panel audio header allows the user to install auxiliary front-oriented mi-
crophone and line-out ports for easier access. This header supports HD audio by
default. If you want connect an AC’97 front panel audio to HD onboard headers,
please set as below picture.
7. F_AUDIO: Front Panel Audio Header

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A55F-M4 USER MANUAL
If you use AC’97 Front Panel, please tick off the option of “Disabled Front Panel
Detect ”. If you use HD Audio Front Panel, please don’t tick off “Disabled Front Panel
Detect ”.
* For reference only
AC’97 Audio Configuration: To enable the front panel audio connector to sup-
port AC97 Audio mode.
If you use AC’97 Front Panel, please don’t tick off “Using Front Jack Detect ”. If you
use HD Audio Front Panel, please tick off the option of “Using Front Jack Detect ”.
* For reference only

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A55F-M4 USER MANUAL
2-4-6. Installing a SATA Hard Drive
About SATA Connectors
Your motherboard features four SATA connectors supporting a total of four drives.
SATA refers to Serial ATA (Advanced Technology Attachment) is the standard interface
for the IDE hard drives which are currently used in most PCs. These connectors are
well designed and will only fit in one orientation. Locate the SATA connectors on the
motherboard and follow the illustration below to install the SATA hard drives.
To install the Serial ATA (SATA) hard drives, use the SATA cable that supports the Serial
ATA protocol. This SATA cable comes with a SATA power cable. You can connect either
end of the SATA cable to the SATA hard drive or the connector on the motherboard.
Refer to the illustration below for proper installation:
1 Attach either cable end to the connector on the motherboard.
2 Attach the other cable end to the SATA hard drive.
3 Attach the SATA power cable to the SATA hard drive and connect the other
end to the power supply.
* For reference only
Installing Serial ATA Hard Drives
This section describes how to install a SATA Hard Drive.

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1 & 2. SYS_FAN(System Cooling FAN Power Connector) & CPU_FAN(CPU cooling
FAN Power Connector)
After you have installed the motherboard into a case, you can begin connecting the
motherboard components. Refer to the following:
Connect the CPU cooling fan cable to CPU_FAN.
Connect the system cooling fan connector to SYS_FAN.
Users please note that the fan connector supports the CPU cooling fan of 1.1A
~ 2.2A (26.4W max) at +12V.
2-4-7. Connecting Case Components
No. Components No. Components
1 SYS_FAN 4 SPK
2 CPU_FAN 5 F_PANEL
3 ATX_POWER 6 ATX_12V

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Connect the case speaker cable to SPK.
4. SPK: Speaker

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A55F-M4 USER MANUAL
This concludes Chapter 2. The next chapter covers the BIOS.
Hard Drive Activity LED
Connecting pins 1 and 3 to a front panel mounted LED provides visual indication that
data is being read from or written to the hard drive. For the LED to function properly,
an IDE drive should be connected to the onboard IDE interface. The LED will also
show activity for devices connected to the SCSI (hard drive activity LED) connector.
Power/Sleep/Message waiting LED
Connecting pins 2 and 4 to a single or dual-color, front panel mounted LED provides
power on/off, sleep, and message waiting indication.
Reset Switch
Supporting the reset function requires connecting pin 5 and 7 to a momentary-con-
tact switch that is normally open. When the switch is closed, the board resets and
runs POST.
Power Switch
Supporting the power on/off function requires connecting pins 6 and 8 to a momen-
tary-contact switch that is normally open. The switch should maintain contact for at
least 50 ms to signal the power supply to switch on or off. The time requirement is
due to internal de-bounce circuitry. After receiving a power on/off signal, at least
two seconds elapses before the power supply recognizes another on/off signal.
5. Front Panel Header
The front panel header (F_PANEL) provides a standard set of switch and LED headers
commonly found on ATX or Micro ATX cases. Refer to the table below for information:

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27
XMP Profile 1 Supported
The default BIOS setting for this motherboard apply for most conditions
with optimum performance. We do not suggest users change the default
values in the BIOS setup and take no responsibility to any damage caused
by changing the BIOS settings.
BIOS Navigation Keys
The BIOS navigation keys are listed below:
KEY FUNCTION
Scrolls through the items on a menu
+/- Change Opt.
F2 Previous Value
F3 Optimized Defaults
F1 General Help
ESC Exits the current menu
Enter Select
In this manual, default values are enclosed in parenthesis. Submenu items are
denoted by an icon.
F4 Save & Exit
1. For the purpose of better product maintenance, the manufacture
reserves the right to change the BIOS items presented in this manual. The
BIOS setup screens shown in this chapter are for reference only and may
differ from the actual BIOS. Please visit the manufacture’s website for
updated manual.
2. In this Gui BIOS, you can operate by mouse or keyboard. Click : select
item; Double click: enter; Right click: exit.
Select the language icon and press <Enter> or double click the left key of the mouse
to display the screen. Then you can choose the language: English, Traditional
Chinese, Simple Chinese, Russian, Korean, German, Spanish, Italian, Portuguese,
Japanese.
Language
Select the default icon and press <Enter> or double click the left key of the mouse
to display the screen. Then you can load optimized defaults or not.
Default
Select the boot icon and press <Enter> or double click the left key of the mouse to
display the screen. Then you can choose the boot device.
Boot
Select the advanced icon and press <Enter> or double click the left key of the mouse
to display the screen.
Advanced

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28
Main Menu
Date & Time
The Date and Time items show the current date and time on the computer. If you are
running a Windows OS, these items are automatically updated whenever you make
changes to the Windows Date and Time Properties utility.
System Language (English)
This item is used to set system language.
This menu shows the information of BIOS and enables you to set the system
language, date and time.
Choose the system default
language
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
BIOS Information
System Language English
System Date Wed 09/12/2012
System Time 14:51:46

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30
LAN Configuration
The item in the menu shows the LAN-related information that the BIOS
automatically detects.
Enabled/Disabled Onboard
LAN 1 Controller
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
Onboard LAN Controller (Enabled)
Use this item to enable or disable Onboard LAN 1 controller.
LAN Configuration
Onboard LAN Controller Enabled
Network stack Enabled
Ipv4 PXE Support Enabled
Ipv6 PXE Support Enabled
Network stack (Enabled)
Use this item to enable or disable UEFI network stack.
Ipv4/6 PXE Support (Enabled)
Use these items to enable or disable the Ipv4/6 PXE Boot support. If disabled IPV4/
6 PXE boot option will not be created.
Press <Esc> to return to the Advanced Menu page.

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31
CPU/System Smart Fan Control (Enabled)
This item enables you to define the CPU/System by smartly adjusting the CPU/Sys-
tem Fan. When it is set at certain temperature, the CPU/System Fan PWM value will
change accordingly.
Smart Fan Mode (Normal)
This item allows you to select the fan mode (Normal, Quiet, Silent, or Manual) for a
better operation environment. If you choose Normal mode, the fan speed will be
auto adjusted depending on the CPU temperature. If you choose Quite mode, the
fan speed will be auto minimized for quiet environment. If you choose Silent mode,
the fan speed will be auto restricted to make system more quietly. If you choose
Manual mode, the fan speed will be adjust depending on users’ parameters.
PC Health Status
On motherboards support hardware monitoring, this item lets you monitor the
parameters for critical voltages, temperatures and fan speeds.
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
PC Health Status
Smart Fan Function
CPU Tct1 : +34
CPU FAN Speed : 956 RPM
System FAN Speed : N/A
CPU Voltage : +1.216 V
DIMM Voltage : +1.608 V
FCH Voltage : +1.168 V
Scroll to this item and press <Enter> to view the following screen:
Smart Fan Function
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
CPU Smart Fan Control Enabled
Smart Fan Mode Normal
SMART Fan Start Offset(-) 37
Tolerence Value 3
StartUp Value 102
Stop Value 77

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38
All USB Devices (Enabled)
Use this item to enable or disable all USB devices.
Legacy USB Support (Enabled)
Use this item to enable or disable support for legacy USB devices.
Press <Esc> to return to the Advanced Menu page.
USB Configuration
Use this item to show the information of USB configuration.
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
USB Configuration
All USB Devices Enabled
Legacy USB Support Enabled

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39
Press <Esc> to return to the Super IO Configuration page.
Serial Port (Enabled)
This item allows you to enable or disable serial port.
Device Settings (IO=3F8h; IRQ=4)
This item shows the information of the device settings.
Change Settings (Auto)
Use this item to change device settings.
Super IO Configuration
Use this item to show the information of Super IO configuration.
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
Super IO Configuration
Serial Port 0 Configuration
Parallel Port Configuration
Set Parameters of Serial
Port 0 (COMA)
Serial Port 0 Configuration
Scroll to this item and press <Enter> to view the following screen:
Main Advanced Chipset M.I.B III Boot Security Save & Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
Serial Port 0 Configuration
Serial Port Enabled
Device Settings IO=3F8h; IRQ=4;
Change Settings Auto
Select an optimal setting for
Super IO device.

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43
South Bridge
Scroll to this item and press <Enter> to view the following screen:
Restore AC Power Loss (Power Off)
This item enables your computer to automatically restart or return to its operating
status.
Audio Configuration
This item shows the information of the audio configuration.
Azalia HD Audio (Enabled)
This item enables or disables Azalia HD audio.
Azalia Internal HDMI codec (Enabled)*
This item enables or disables Azalia Internal HDMI codec.
Case Open Warning (Disabled)
This item enables or disables the warning if the case is opened up, and the item
below indicates the current status of the case.
Chassis Opened (No)
This item indicates whether the case has been opened.
Press <Esc> to return to the Chipset Menu page.
NOTE: *This item will not appear if the motherboard doesnot have the HDMI port.
Please take the actual BIOS for the standard.
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
Enabled/Disabled Azalia
HD Audio
South Bridge
Restore AC Power Loss Power Off
Audio Configuration
Azalia HD Audio Enabled
Azalia Internal HDMI codec Enabled
Case Open Warning Disabled
Chassis Opened No

Chapter 3
A55F-M4 USER MANUAL
45
This page enables you to set the keyboard NumLock state.
Boot Menu
Boot Configuration
This item shows the information of the Boot Configuration.
Operation System Select (Windows 7 or other OS)
This item is used to select the operation system.
Launch PXE OpROM (Disabled)
The item enables or disables launch PXE Option ROM.
Launch Storage OpROM (Enabled)
Use this item to enable or disable the Storage OpROM.
Bootup NumLock State (On)
This item enables you to select NumLock state.
Quiet Boot (Enabled)
This item enables or disables quiet boot.
Boot mode select (LEGACY)
Use this item to select boot mode.
Set Boot Priority
This item enables you to set boot priority for all boot devices.
Boot Option #1/2/3/4/5/6/7
These items show the boot priorities.
Main Advanced Chipset M.I.B III Boot Security Exit
Windows 7 or other OS:
Boot policy for Legacy OS
Windows 8: Boot policy for
UEFI OS without
Compatibility Support
Module(CSM)
Manual: User customized
CSM parameters & boot
policy
Boot Configuration
Operation System Select Windows 7 or other OS
Launch PXE OpROM Disabled
Launch Strorage OpROM Enabled
Bootup NumLock State On
Quiet Boot Enabled
Boot mode select LEGACY
Set Boot Priority
Boot Option #1 Hard Disk
Boot Option #2 CD/DVD
Boot Option #3 USB Floppy
Boot Option #4 USB CD/DVD
Boot Option #5 USB Hard Disk
Boot Option #6 USB Key: Ut165 1.00
Boot Option #7 Network
Hard Disk Drive Priorities [Press Enter]
CD/DVD ROM Drive Priorities [Press Enter]
USB/Floppy Drive Priorities [Press Enter]
USB CD/DVD ROM Drive Priorities [Press Enter]
USB HardDisk Drive Priorities [Press Enter]
USB Flash Drive Priorities [Press Enter]
NETWORK Device Priorities [Press Enter]
CSM parameters [Press Enter]
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit

Chapter 3
A55F-M4 USER MANUAL
46
CSM parameters
Scroll to this item and press <Enter> to view the following screen.
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
Launch CSM Always
Boot option filter UEFI and Legacy
Launch PXE OpROM policy Do not launch
Launch Storage OpROM policy Legacy only
Launch Video OpROM policy Legacy only
Other PCI device ROM priority Legacy OpROM
Launch CSM (Always)
This option controls if CSM
will be launched
This option controls if CSM will be launched.
Launch PXE OpROM policy (Do not Launch)
This controls the execution of UEFI and Legacy PXE OpROM.
Launch Storage OpROM policy (Legacy only)
This controls the execution of UEFI and Legacy Storage OpROM.
Launch Video OpROM policy (Legacy only)
This controls the execution of UEFI and Legacy Video OpROM.
Other PCI device ROM priority (Legacy OpROM)
For PCI devices other than Network, Mass storage or Video defines which OpROM to
launch.
Boot option filter (UEFI and Legacy)
This option controls what devices system can boot to.
Hard Disk Drive/ CD/DVD ROM Drive/ USB/IDE Floppy Drive/ USB CD/DVD ROM Drive/
USB HardDisk Drive/ USB Flash Drive/ NETWORK Device Drive Priorities
These items enable you to specify the sequence of loading the operating system.
Press <Enter> to see the submenu.
CSM parameters
OpROM execution, boot options filter,etc.

Chapter 3
A55F-M4 USER MANUAL
47
This page enables you to set setup administrator password and user password.
Security Menu
Administrator Password Status (Not Install)
This item shows administrator password installed or not.
User Password Status (Not Install)
This item shows user password installed or not.
System Mode state (Setup)
This item shows system mode setup or not.
Secure Boot state (Disabled)
This item allows you to enable or disable the secure boot state.
Secure Boot (Enabled)
This item is used to control the secure boot flow, it is possible only if system runs in
User Mode.
Secure Boot Mode (Custom)
This item is used to select secure boot mode, when you select standard mode, se-
cure boot policy is fixed; when you select custom mode, the image execution policy
and secure boot key databases are changeable.
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
Secure Boot mode selector.
‘Standard’ -fixed Secure
boot policy, ‘Custom’ -
changeable Image
Execution policy and Secure
Boot Key databases
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
Administrator Password Status Not Install
User Password Status Not Install
Administrator Password
System Mode state Setup
Secure Boot state Disabled
Secure Boot Enabled
Secure Boot Mode Custom
Image Execution Policy
Key Management

Chapter 3
A55F-M4 USER MANUAL
52
Memo

55
A55F-M4 USER MANUAL
Chapter 4
If the auto-install DVD-ROM does not work on your system, you can still install
drivers through the file manager for your OS (for example, Windows Explorer). Look
for the chipset and motherboard model, and then browse to the directory and path
to begin installing the drivers. Most drivers have a setup program (SETUP.EXE) that
automatically detects your operating system before installation. Other drivers have
the setup program located in the operating system subfolder.
Manual Installation
ECS Utility Software (Intelligent EZ Utility)
ECS Intelligent EZ Utility provides friendly interfaces under Windows O.S, which makes
your computing more easily and conveniently.
If the driver you want to install does not have a setup program, browse to the oper-
ating system subfolder and locate the readme text file (README.TXT or README.DOC)
for information on installing the driver or software for your operating system.
These software(s) are subject to change at anytime without prior notice. Please
refer to the support disk for available software.
Windows 7/8 will appear below UAC (User Account Control) message after
the system restart. You must select “Yes” to install the next driver. Continue
this process to complete the drivers installation.

57
A55F-M4 USER MANUAL
Chapter 5
Chapter 5
CrossFireTMTechnology (AMD Dual Graphics) Support
CrossFireTM Technology
The CrossFireTM technology provides significant display performance boost to AMD-
based systems by inserting the external PCI Express graphics card and enabling
both the discrete GPU and the AMD A55 graphics core to render simultaneously in
CrossFire TM mode.
Follow the steps below to start the CrossFireTM technology.
1. Insert a graphics card (which can be used for CrossFireTM technology, such as
HD6670 series) into the slot.PCIEX16
Make sure that the card is properly seated on the slot.
2. For CrossFireTM
, you must enter the BIOS, set the Initate Graphic Adapter in Ad-
vanced Menu to IGD. Then press F4 to save the configuration and exit the BIOS.
* For reference only
IGD Share Memory Size
Main Advanced Chipset M.I.B III Boot Security Exit
+/- : Change Opt.
Enter/Dbl Click : Select
lk
mn : Select Screen
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
/Click: Select Item
North Bridge
IGD Memory Auto
Initate Graphic Adapter IGD
CrossFire Enabled
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