ASRock A75 Pro4: 1. Introduction

5

ASRock  A75 Pro4  Motherboard

English

1. Introduction

Thank you for purchasing ASRock 

A75 Pro4 

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 speci

fi

 cations and the BIOS software might be 

updated, the content of this manual will be subject to change without no-

tice. In case any modi

fi

 cations of this manual occur, the updated version 

will be available on ASRock website without further notice. You may 

fi

 nd 

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 speci

fi

 c information about the model you are using.

www.asrock.com/support/index.asp

1.1 Package Contents

ASRock 

A75 Pro4

 Motherboard 

(ATX Form Factor: 12.0-in x 8.8-in, 30.5 cm x 22.4 cm)

ASRock 

A75 Pro4

 Quick Installation Guide

ASRock 

A75 Pro4 

Support CD

4 x Serial ATA (SATA) Data Cables (Optional)

1 x 3.5mm Audio Cable (Optional)

1 x I/O Panel Shield

ASRock Reminds You...

To get better performance in Windows

® 

7 / 7 64-bit / Vista

TM 

/ Vista

TM

 64-

bit, it is recommended to set the BIOS option in Storage Con

fi

 guration to 

AHCI mode. For the BIOS setup, please refer to the “User Manual” in our 

support CD for details.

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ASRock  A75 Pro4  Motherboard

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1.2  Specifications

 Platform

- ATX Form Factor: 12.0-in x 8.8-in, 30.5 cm x 22.4 cm

- All Solid Capacitor design 

 CPU

- Support for Socket FM1 100W processors 

- V4 + 1 Power Phase Design

- Supports AMD’s Cool ‘n’ Quiet

TM

 Technology 

- UMI-Link GEN2

 Chipset 

- AMD A75 FCH (Hudson-D3)

 Memory 

- Dual Channel DDR3 Memory Technology (see 

CAUTION 1

)    

- 4 x DDR3 DIMM slots

- Support DDR3 2400+(OC)/1866/1600/1333/1066/

  800 non-ECC, un-buffered memory (see 

CAUTION 2

) 

- Max. capacity of system memory: 32GB (see 

CAUTION 3

) 

 Expansion Slot 

- 2 x PCI Express 2.0 x16 slots 

  (PCIE2 @ x16 mode; PCIE4 @ x4 mode)

- 2 x PCI Express 2.0 x1 slots

- 3 x PCI slots

- Supports AMD Quad CrossFireX

TM

, CrossFireX

TM

 and Dual 

  Graphics

 Graphics  

- AMD Radeon HD 65XX/64XX graphics

- DirectX 11, Pixel Shader 5.0

- Max. shared memory 512MB (see 

CAUTION 4

)

- Three VGA Output options: D-Sub, DVI-D and HDMI 

  (see 

CAUTION 5

) 

- Supports HDMI 1.4a Technology with max. resolution up to 

  1920x1200 @ 60Hz 

- Supports Dual-link DVI with max. resolution up to 

  2560x1600 @ 75Hz

- Supports D-Sub with max. resolution up to 1920x1600 @ 

  60Hz

- Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and 

  HBR (High Bit Rate Audio) with HDMI (Compliant HDMI 

  monitor is required) (see 

CAUTION 6

)

- Supports Blu-ray Stereoscopic 3D with HDMI 1.4a

- Supports AMD Steady Video

TM

: New video post processing 

  capability for automatic jutter reduction on home/online 

  video

- Supports HDCP function with DVI and HDMI ports

- Supports Full HD 1080p Blu-ray (BD) / HD-DVD playback 

  with DVI and HDMI ports

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ASRock  A75 Pro4  Motherboard

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 Audio 

- 7.1 CH HD Audio with Content Protection 

  (Realtek ALC892 Audio Codec)  

- Premium Blu-ray audio support

- Supports THX TruStudio

TM

 LAN 

- PCIE x1 Gigabit LAN 10/100/1000 Mb/s

- Realtek RTL8111E

- Supports Wake-On-LAN

- Supports LAN Cable Detection

- Supports Energy Ef

fi

 cient Ethernet 802.3az

- Supports PXE

 Rear Panel I/O 

I/O Panel

- 1 x PS/2 Mouse/Keyboard Port

- 1 x D-Sub Port

- 1 x DVI-D Port

- 1 x HDMI Port

- 1 x Optical SPDIF Out Port

- 2 x Ready-to-Use USB 2.0 Ports

- 1 x eSATA3 Connector

- 4 x Ready-to-Use USB 3.0 Ports

- 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED  

  LED)

- 1 x IEEE 1394 Port

- 1 x Clear CMOS Switch with LED 

- HD Audio Jack: Rear Speaker/Central/Bass/Line in/Front 

  Speaker/Microphone (see 

CAUTION 7

)

 SATA3

- 5 x SATA3 6.0 Gb/s connectors, support RAID (RAID 0, 

  RAID 1 and RAID 10), NCQ, AHCI and “Hot Plug” functions

 USB 3.0

- 4 x USB 3.0 ports, support USB 1.0/2.0/3.0 up to 5Gb/s

Connector

- 5 x SATA3 6.0Gb/s connectors

- 1 x IR header

- 1 x CIR header

- 1 x COM port header

- 1 x HDMI_SPDIF header

- 1 x IEEE 1394 header

- 1 x Power LED 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) 

- 1 x Dr. Debug (7-Segment Debug LED) 

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ASRock  A75 Pro4  Motherboard

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Smart Switch

- 1 x Clear CMOS Switch with LED 

- 1 x Power Switch with LED

- 1 x Reset Switch with LED

 BIOS Feature

- 32Mb AMI UEFI Legal BIOS with GUI support

- Supports “Plug and Play”

- ACPI 1.1 Compliance Wake Up Events

- Supports jumperfree

- SMBIOS 2.3.1 Support

- DRAM, VDDP, VDDR, SB Voltage Multi-adjustment

 Support CD 

- Drivers, Utilities, AntiVirus Software (Trial Version), AMD 

  Live! Explorer, AMD Fusion, CyberLink MediaEspresso 6.5 

  Trial, ASRock Software Suite (CyberLink DVD Suite - OEM 

  and Trial)

 Unique Feature

- ASRock Extreme Tuning Utility (AXTU) (see 

CAUTION 8

)

- ASRock Instant Boot  

- ASRock Instant Flash (see 

CAUTION 9

) 

- ASRock APP Charger (see 

CAUTION 10

)

- ASRock SmartView (see 

CAUTION 11

) 

- ASRock XFast USB (see 

CAUTION 12

)

- ASRock On/Off Play Technology (see 

CAUTION 13

)

- Hybrid Booster:

    - ASRock U-COP (see 

CAUTION 14

)

Hardware 

- CPU Temperature Sensing

Monitor

- Chassis Temperature Sensing

- CPU/Chassis/Power Fan Tachometer

- CPU/Chassis Quiet Fan

- CPU/Chassis Fan Multi-Speed Control

- Voltage Monitoring: +12V, +5V, +3.3V, Vcore 

 OS

 - 

Microsoft

® 

Windows

® 

7 / 7 64-bit / Vista

TM 

/ Vista

TM

 64-bit / XP 

  SP3 / XP 64-bit compliant

 Certi

fi

 cations

- FCC, CE, WHQL

- ErP/EuP Ready (ErP/EuP ready power supply is required) 

  (see 

CAUTION 15

)

 * 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 over-

clocking 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.

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ASRock  A75 Pro4  Motherboard

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CAUTION!

1.  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 14 for proper installation.

2.  Whether 2400/1866/1600MHz memory speed is supported depends on 

the CPU you adopt. If you want to adopt DDR3 2400/1866/1600 memory 

module on this motherboard, please refer to the memory support list on 

our website for the compatible memory modules. 

ASRock website    http://www.asrock.com

3.  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

TM

 / XP. For Windows

®

 64-bit OS with 64-bit CPU, there is no such 

limitation. 

4.  The maximum shared memory size is de

fi

 ned by the chipset vendor and 

is subject to change. Please check AMD website for the latest informa-

tion.

5.  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 

HDMIport.

6.  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

TM

 64-bit / 

Vista

TM

.

7.  For microphone input, this motherboard supports both stereo and mono 

modes. For audio output, this motherboard supports 2-channel, 4-chan-

nel, 6-channel, and 8-channel modes. Please check the table on page 3 

for proper connection. 

8.  ASRock Extreme Tuning Utility (AXTU) is an all-in-one tool to ne-tune 

different system functions in a user-friendly interface, which is including 

Hardware Monitor, Fan Control, Overclocking, OC DNA and IES. In Hard-

ware Monitor, it shows the major readings of your system. In Fan Control, 

it shows the fan speed and temperature for you to adjust. In Overclock-

ing, you are allowed to overclock CPU frequency for optimal system 

performance. In OC DNA, you can save your OC settings as a pro

fi

 le 

and share with your friends. Your friends then can load the OC pro

fi

 le to 

their own system to get the same OC settings. In IES (Intelligent Energy 

Saver), the voltage regulator can reduce the number of output phases to 

improve ef

fi

 ciency when the CPU cores are idle without sacri

fi

 cing com-

puting performance. Please visit our website for the operation procedures 

of ASRock Extreme Tuning Utility (AXTU). 

ASRock website: http://www.asrock.com

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ASRock  A75 Pro4  Motherboard

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9.  ASRock Instant Flash is a BIOS 

fl

 ash utility embedded in Flash ROM. 

This convenient BIOS update tool allows you to update system BIOS 

without entering operating systems 

fi

 rst 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 

fi

 le to your USB 

fl

 ash  drive, 

fl

 oppy disk or hard 

drive, then you can update your BIOS only in a few clicks without prepar-

ing an additional 

fl

 oppy diskette or other complicated 

fl

 ash utility. Please 

be noted that the USB 

fl

 ash drive or hard drive must use FAT32/16/12 

fi

 le 

system. 

10.  If you desire a faster, less restricted way of charging your Apple devices, 

such as iPhone/iPod/iPad Touch, ASRock has prepared a wonderful solu-

tion for you - ASRock APP Charger. Simply installing the APP Charger 

driver, it makes your iPhone charged much quickly from your computer 

and up to 40% faster than before. ASRock APP Charger allows you to 

quickly charge many Apple devices simultaneously and even supports 

continuous charging when your PC enters into Standby mode (S1), Sus-

pend to RAM (S3), hibernation mode (S4) or power off (S5). With APP 

Charger driver installed, you can easily enjoy the marvelous charging 

experience than ever.

ASRock website: http://www.asrock.com/Feature/AppCharger/index.asp

11.  SmartView, a new function of internet browser, is the smart start page for 

IE that combines your most visited web sites, your history, your Facebook 

friends and your real-time newsfeed into an enhanced view for a more 

personal Internet experience. ASRock motherboards are exclusively 

equipped with the SmartView utility that helps you keep in touch with 

friends on-the-go. To use SmartView feature, please make sure your OS 

version is Windows

®

 7 / 7 64 bit / Vista

TM

 / Vista

TM

 64 bit, and your browser 

version is IE8. 

ASRock website: http://www.asrock.com/Feature/SmartView/index.asp

12.  ASRock XFast USB can boost USB storage device performance. The 

performance may depend on the property of the device.

13.  ASRock On/Off Play Technology allows users to enjoy the great audio ex-

perience from the portable audio devices, such like MP3 player or mobile 

phone to your PC, even when the PC is turned off (or in ACPI S5 mode)! 

This motherboard also provides a free 3.5mm audio cable (optional) that 

ensures users the most convenient computing environment.

14.  While CPU overheat is detected, the system will automatically shutdown.

Before you resume the system, please check if the CPU fan on the moth-

erboard 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.

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ASRock  A75 Pro4  Motherboard

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15.  EuP, stands for Energy Using Product, was a provision regulated by Eu-

ropean Union to de

fi

 ne 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 ef

fi

 ciency is higher than 50% under 100 mA current 

consumption. For EuP ready power supply selection, we recommend you 

checking with the power supply manufacturer for more details. Besides, 

please be noted that if you enable ASRock On/Off Play Technology, your 

system will not meet EuP standard. To meet EuP standard, please dis-

able ASRock On/Off Play Technology 

fi

 rst.