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ASROCK FM2A55 Pro+ User manual

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Copyright 2025 Manuals.Online. All Rights Reserved.

Version 1.1
Published December 2013
Copyright©2013 ASRock INC. All rights reserved.
Copyright Notice:
No part of this documentation 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 documentation may or may not
be registered trademarks or copyrights of their respective companies, and are used
only for identication or explanation and to the owners’ benet, without intent to
infringe.
Disclaimer:
Specications and information contained in this documentation 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 documentation.
With respect to the contents of this documentation, 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 tness for a particular
purpose.
In no event shall ASRock, its directors, ocers, employees, or agents be liable for
any indirect, special, incidental, or consequential damages (including damages for
loss of prots, 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 documentation or product.
e terms HDMI™ and HDMI High-Denition Multimedia Interface, and the HDMI
logo are trademarks or registered trademarks of HDMI Licensing LLC in the United
States and other countries.
is 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
e 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
1
English
FM2A55 Pro+
Motherboard Layout
SOCKET FM2b
AMD
A55
(Hudson-D2)
Chipset
5
234
1
131416171819202122
Sup er
I/O
CMOS
BATTERY
ATXPWR1
PCIE1
LAN
AUDIO
CODEC
CPU_FAN1
64Mb
BIOS
PCIE2
FM2A55 Pro+
ATX1 2V1
PCIE5
DDR3_A1 (64 bit, 240-pin module)
DDR3_B1 (64 bit, 240-pin module)
PCIE3
PCI1
PCI2
1
CLRCMOS1
HDLED RESET
PLED PWRBTN
1
PANEL1
SATA_1
IR1
1
CHA_FAN1
SPEAKER1
1
PLED1
1
HD_AUDIO1
1
1
HDMI_SPDIF1
COM1
1
1
USB6_7
1
USB8_9
Top:
LINE IN
Center :
FRONT
Bottom :
MIC IN
X
Fast USB
X
Fast RAM
X
Fast LAN
RoHS
PS2
Mouse
PS2
Keyboard
VGA1
DVI1
USB 2.0
T: USB0
B: USB1
RJ-45 LAN
USB 2.0
T: USB2
B: USB3
CHA_FAN2
SATA_2
PCIE4
SATA_3 SATA_4
SATA_5 SATA_6
PCI Express 3.0
6
7
8
9
10
11
12
15
USB 2.0
T: USB4
B: USB5
2
English
No. Description
1 ATX 12V Power Connector (ATX12V1)
2 CPU Fan Connector (CPU_FAN1)
3 Chassis Fan Connector (CHA_FAN2)
4 2 x 240-pin DDR3 DIMM Slots (DDR3_A1, DDR3_B1)
5 ATX Power Connector (ATXPWR1)
6SATA2 Connector (SATA_ 2)
7SATA2 Connector (SATA_1)
8 Chassis Fan Connector (CHA_FAN1)
9Chassis Speaker Header (SPEAKER1)
10 System Panel Header (PANEL1)
11 Clear CMOS Jumper (CLRCMOS1)
12 Power LED Header (PLED1)
13 SATA2 Connector (SATA_4)
14 SATA2 Connector (SATA_6)
15 SATA2 Connector (SATA_5)
16 SATA2 Connector (SATA_3)
17 USB 2.0 Header (USB8_9)
18 USB 2.0 Header (USB6_7)
19 Infrared Module Header (IR1)
20 COM Port Header (COM1)
21 SPDIF Out Connector (HDMI_SPDIF1)
22 Front Panel Audio Header (HD_AUDIO1)
3
English
FM2A55 Pro+
I/O Panel
No. Description No. Description
1 PS/2 Mouse Port (Green) 7 USB 2.0 Ports (USB45)
2 D-Sub Port (VGA1) 8 USB 2.0 Ports (USB23)
3 LAN RJ-45 Port* 9 USB 2.0 Ports (USB01)
4 Line In (Light Blue) 10 DVI-D Port (DVI1)
5Front Speaker (Lime) 11 PS/2 Keyboard Port (Purple)
6Microphone (Pink)
1 2 3 5
4
67891011
4
English
* There are two LEDs on the LAN port. Please refer to the table below for the LAN port LED indica-
tions.
Activity / Link LED Speed LED
Status Description Status Description
Off No Link Off 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
On Link Green 1Gbps connection
ACT/LINK LED
SPEED LED
LAN Port
5
English
FM2A55 Pro+
1. Introduction
Thank you for purchasing ASRock FM2A55 Pro+ motherboard, a reliable mother-
board 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.
    
be updated, the content of this manual will be subject to change without
-
sion will be available on ASRock website without further notice. You may

well. ASRock website http://www.asrock.com
If you require technical support related to this motherboard, please visit

www.asrock.com/support/index.asp
1.1 Package Contents
ASRock FM2A55 Pro+ Motherboard (ATX Form Factor)
ASRock FM2A55 Pro+ Quick Installation Guide
ASRock FM2A55 Pro+ Support CD
2 x Serial ATA (SATA) Data Cables (Optional)
1 x I/O Panel Shield
6
English

Platform  ATX Form Factor
 All Solid Capacitor design
CPU  Supports Socket FM2+ 95W / FM2 100W processors
Chipset  AMD A55 FCH (Hudson-D2)
Memory  Dual Channel DDR3 Memory Technology
 2 x DDR3 DIMM Slots
 Supports DDR3 1866/1600/1333/1066 non-ECC, un-
buffered memory (see CAUTION 1)
 Max. capacity of system memory: 32GB
 Supports Intel®
 
Expan-
sion
Slot
 1 x PCI Express 3.0 x16 Slot (PCIE2 @ x16 mode)
* PCIE 3.0 is only supported with FM2+ CPU. With FM2
CPU, it only supports PCIE 2.0.
 1 x PCI Express 2.0 x16 Slot (PCIE5 @ x4 mode)
 3 x PCI Express 2.0 x1 Slots
 2 x PCI Slots
 Supports AMD Quad CrossFireXTM, CrossFireXTM and
Dual Graphics
Graphics  Integrated AMD Radeon HD 8000/7000 series graphics
in A-series APU
 DirectX 11.1, Pixel Shader 5.0 with FM2+ CPU. DirectX
11, Pixel Shader 5.0 with FM2 CPU.
 Max. shared memory 2GB
 Dual VGA output: support DVI-D and D-Sub ports by
independent display controllers
 Supports Dual-link DVI-D with max. resolution up to
2560x1600 @ 60Hz
7
English
FM2A55 Pro+
Graphics  Supports D-Sub with max. resolution up to 1920x1200 @
60Hz
 Supports AMD Steady VideoTM 2.0: New video post
processing capability for automatic jitter reduction on
home/online video
 Supports HDCP with DVI-D Port
 Supports Full HD 1080p Blu-ray (BD) playback with
DVI-D Port
Audio  5.1 CH HD Audio (Realtek ALC662 Audio Codec)
 TI®
600 ohm headsets)
LAN  PCIE x1 Gigabit LAN 10/100/1000 Mb/s
 Realtek RTL8111G
 Supports Wake-On-LAN
 Supports LAN Cable Detection
 
 Supports PXE
Rear
Panel I/O
 1 x PS/2 Mouse Port
 1 x PS/2 Keyboard Port
 1 x D-Sub Port
 1 x DVI-D Port
 6 x USB 2.0 Ports
 1 x RJ-45 LAN Port with LED (ACT/LINK LED and
SPEED LED)
 HD Audio Jacks: Line in / Front Speaker / Microphone
Storage  6 x SATA2 3.0 Gb/s Connectors, support RAID (RAID 0,
RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
8
English
Connec-
tor
 1 x IR Header
 1 x COM Port Header
 1 x SPDIF Out Connector
 1 x Power LED Header
 1 x CPU Fan Connector (4-pin)
 2 x Chassis Fan Connectors (2 x 4-pin)
 1 x 24 pin ATX Power Connector
 1 x 8 pin 12V Power Connector
 1 x Front Panel Audio Connector
 2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
BIOS
Feature
 64Mb AMI UEFI Legal BIOS with GUI support
 Supports “Plug and Play”
 ACPI 1.1 Compliant wake up events
 Supports jumperfree
 SMBIOS 2.3.1 support
 DRAM, CPU Voltage multi-adjustment
Support
CD
 Drivers, Utilities, AntiVirus Software (Trial Version),
CyberLink MediaEspresso 6.5 Trial, Google Chrome
Browser and Toolbar, Start8 (30 days trial)
Hardware
Monitor
 CPU temperature sensing
 Chassis temperature sensing
 CPU Fan Tachometer
 Chassis Fan Tachometer
 CPU/Chassis Quiet Fan
 CPU/Chassis Fan multi-speed control
 Voltage monitoring: +12V, +5V, +3.3V, Vcore
OS  Microsoft®Windows®8.1 32-bit / 8.1 64-bit / 8 32-bit / 8
64-bit / 7 32-bit / 7 64-bit
-
tions
 FCC, CE, WHQL
 ErP/EuP Ready (ErP/EuP ready power supply is re-
quired)