Page 1
Rev. 1401 For more product details, please visit GIGABYTE's website. GIGABYTE will reduce paper use in order to ulll the responsibilities o a global citizen. Also, to reduce the impacts on global warming, the packaging materials o this product are recyclable and reusable. GIGABYTE works with you to protect the environment.
Page 2
The trademarks mentioned in this manual are legally registered to their respective owners. Disclaimer Inormation in this manual is protected by copyright laws and is the property o GIGABYTE. Changes to the specications and eatures in this manual may be made by GIGABYTE without prior notice.
Chapter 1 Hardware Installation Installation Precautions The motherboard contains numerous delicate electronic circuits and components which can become damaged as a result o electrostatic discharge (ESD). Prior to installation, careully read the user's manual and ollow these procedures: • Prior to installation, make sure the chassis is suitable or the motherboard. •...
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Prole (XMP) memory modules (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) Onboard Integrated in the AMD Ryzen 5000 G-Series/4000 G-SeriesProcessors: ...
Page 7
Integrated in the CPU: 4 x USB 3.2 Gen 1 ports on the back panel Chipset: 2 x USB 3.2 Gen 1 ports available through the internal USB header 4 x USB 2.0/1.1 ports (2 ports on the back panel, 2 ports available through the internal USB header) Internal 1 x 24-pin ATX main power connector...
Page 8
Support for Windows 10 64-bit Form Factor Mini-ITX Form Factor; 17.0cm x 17.0cm * GIGABYTE reserves the right to make any changes to the product specications and product-related information without prior notice. Please visit GIGABYTE's website Please visit the SERVICE/SUPPORT\ or support lists o...
• Make sure that the motherboard supports the memory. It is recommended that memory o the same capacity, brand, speed, and chips be used. (Go to GIGABYTE's website or the latest supported memory speeds and memory modules.) • Always turn o the computer and unplug the power cord rom the power outlet beore installing the memory to prevent hardware damage.
The two memory sockets are divided into two channels and each channel has one memory socket as ollowing: Channel A: DDR4_A1 Channel B: DDR4_B1 Due to CPU limitations, read the ollowing guidelines beore installing the memory in Dual Channel mode. Dual Channel mode cannot be enabled i...
Page 11
Please visit GIGABYTE's website or details on conguring the audio sotware. (Note 1) For AMD Ryzen 5000 G-Series/4000 G-SeriesProcessors only. ™ (Note 2) To enable the Q-Flash Plus unction please visit the "Unique Features" webpage o GIGABYTE's website. - 11 -...
Internal Connectors ATX_12V F_AUDIO SPEAKER CPU_FAN F_U32 SYS_FAN1/2 F_USB D_LED LED_C SATA3 0/1/2/3 CLR_CMOS M2A_CPU F_PANEL Read the ollowing guidelines beore connecting external devices: • First make sure your devices are compliant with the connectors you wish to connect. • Beore installing the devices, be sure to turn o the devices and your computer. Unplug the power cord rom the power outlet to prevent damage to the devices.
Page 13
1/2) ATX_12V/ATX (2x4 12V Power Connector and 2x12 Main Power Connector) With the use o the power connector, the power supply can supply enough stable power to all the components on the motherboard. Beore connecting the power connector, rst make sure the power supply is turned o...
Page 14
LED strip. For how to turn on/o the lights o the LED strip please visit the "Unique Features" webpage o GIGABYTE's website. Beore installing the devices, be sure to turn o the devices and your computer. Unplug the power cord rom the power outlet to prevent damage to the devices.
Page 15
7) SATA3 0/1/2/3 (SATA 6Gb/s Connectors) The SATA connectors conorm to SATA 6Gb/s standard and are compatible with SATA 3Gb/s and SATA 1.5Gb/s standard. Each SATA connector supports a single SATA device. The SATA connectors support RAID 0, RAID 1, and RAID 10. Reer to Chapter 3, "Conguring a RAID Set," or instructions on conguring a RAID array.
Page 16
9) F_PANEL (Front Panel Header) Connect the power switch, reset switch, and system status indicator on the chassis to this header according to the pin assignments below. Note the positive and negative pins beore connecting the cables. RES+ Power Switch Reset Switch RES- PLED-...
Page 17
11) SPEAKER (Speaker Header) Connects to the speaker on the chassis ront panel. The system reports system startup status by issuing a beep code. One single short beep will be heard i no problem is detected at system startup. Pin No. Denition SPK- 12) F_U32 (USB 3.2 Gen 1 Header) The header conorms to USB 3.2 Gen 1 and USB 2.0 specication and can provide two USB ports.
Page 18
14) COM (Serial Port Header) The COM header can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer. Pin No. Denition Pin No. Denition NDCD- NDSR- NSIN NRTS- NSOUT NCTS-...
Page 19
17) BAT (Battery) The battery provides power to keep the values (such as BIOS congurations, date, and time inormation) in the CMOS when the computer is turned o. Replace the battery when the battery voltage drops to a low level, or the CMOS values may not be accurate or may be lost. You may clear the CMOS values by removing the battery: 1.
To access the BIOS Setup program, press the <Delete> key during the POST when the power is turned on. To upgrade the BIOS, use either the GIGABYTE Q-Flash or @BIOS utility. Q-Flash allows the user to quickly and easily upgrade or back up BIOS without entering the operating system.
The Main Menu System Setup Menus Time Conguration Items Hardware Inormation Option Description Current Settings Quick Access Bar allows you to quickly move to the General Help, Easy Mode, Smart Fan 5, or Q-Flash screen. Advanced Mode Function Keys <f><g> Move the selection bar to select a setup menu <h><i>...
Favorites (F11) Set your requently used options as your avorites and use the <F11> key to quickly switch to the page where all o your avorite options are located. To add or remove a avorite option, go to its original page and press <Insert>...
Tweaker Whether the system will work stably with the overclock/overvoltage settings you made is dependent on your overall system congurations. Incorrectly doing overclock/overvoltage may result in damage to CPU, chipset, or memory and reduce the useul lie o these components. This page is or advanced users only and we recommend you not to alter the deault settings to prevent system instability or other unexpected results.
Page 24
& Power Supply Idle Control (Note 1) Enables or disables Package C6 State. Typical Current Idle Disables this unction. Low Current Idle Enables this unction. Lets the BIOS automatically congure this setting. (Deault) Auto & CCD Control (Note 1) Sets the number o CCDs to be used. (Deault: Auto) &...
Settings Platform Power & AC BACK Determines the state o the system ater the return o power rom an AC power loss. The system returns to its last known awake state upon the return o the AC power. Memory Always On The system is turned on upon the return o...
Page 26
IO Ports & Initial Display Output Species the rst initiation o the monitor display rom the installed PCI Express graphics card or the onboard graphics. IGD Video Sets the onboard graphics as the rst display. (Note) PCIe 1 Slot Sets the graphics card on the PCIEX16 slot as the rst display.
Page 27
APP Center Download & Install Confguration & APP Center Download & Install Allows you to determine whether to automatically download and install GIGABYTE APP Center ater entering the operating system. Beore installing APP Center, make sure the system is connected to the Internet.
Page 28
& IPv4 HTTP Support Enables or disables HTTP boot support or IPv4. This item is congurable only when Network Stack is enabled. & IPv6 PXE Support Enables or disables IPv6 PXE Support. This item is congurable only when Network Stack is enabled. &...
Page 29
PC Health & CPU Vcore/CPU VDDP/DRAM Channel A/B Voltage/+3.3V/+5V/+12V/VCORE SOC Displays the current system voltages. Smart Fan 5 & Monitor Allows you to select a target to monitor and to make urther adjustment. (Deault: CPU FAN) & Fan Speed Control Allows you to determine whether to enable the an speed control unction and adjust the an speed.
System Info. This section provides inormation on your motherboard model and BIOS version. You can also select the deault language used by the BIOS and manually set the system time. & System Language Selects the deault language used by the BIOS. &...
System (Deault) & Full Screen LOGO Show Allows you to determine whether to display the GIGABYTE Logo at system startup. Disabled skips the GIGABYTE Logo when the system starts up. (Deault: Enabled) & Fast Boot Enables or disables Fast Boot to shorten the OS boot process. Ultra Fast provides the astest bootup speed.
Page 32
& VGA Support Allows you to select which type o operating system to boot. Enables legacy option ROM only. Auto EFI Driver Enables EFI option ROM. (Deault) This item is congurable only when Fast Boot is set to Enabled or Ultra Fast. &...
Page 33
& User Password Allows you to congure a user password. Press <Enter> on this item, type the password, and then press <Enter>. You will be requested to conrm the password. Type the password again and press <Enter>. You must enter the administrator password (or user password) at system startup and when entering BIOS Setup.
Save & Exit & Save & Exit Setup Press <Enter> on this item and select Yes. This saves the changes to the CMOS and exits the BIOS Setup program. Select No or press <Esc> to return to the BIOS Setup Main Menu. &...
Chapter 3 Appendix Confguring a RAID Set RAID Levels RAID 0 RAID 1 RAID 10 Minimum Number o ≥2 Hard Drives Number o hard drives * Size o the smallest drive (Number o hard drives/2) * Array Capacity Size o the smallest drive Size o...
Page 36
Windows installation process. Ater the operating system is installed, we recommend that you install all required drivers rom the GIGABYTE APP Center to ensure system perormance and compatibility. I the operating system to be installed requires that you provide additional RAID driver during the OS installation process, please reer to the steps below:...
Ater you install the operating system, a dialog box will appear on the bottom-right corner o the desktop asking i you want to download and install the drivers and GIGABYTE applications via APP Center. Click Install to proceed with the installation. (In BIOS Setup, make sure Advanced\APP Center Download & Install Confguration\ APP Center Download &...
Page 38
Supplier's Declaration of Conformity 47 CFR § 2.1077 Compliance Information Product Name: Motherboard Trade Name: GIGABYTE Model Number: A520I AC Responsible Party – U.S. Contact Information: G.B.T. Inc. Address: 17358 Railroad street, City Of Industry, CA91748 Tel.: 1-626-854-9338 Internet contact information: https://www.gigabyte.com FCC Compliance Statement: This device complies with Part 15 of the FCC Rules, Subpart B, Unintentional Radiators.
Page 39
European Commission Delegated Directive (EU) 2015/863 Statement I prodotti con il marchio CE sono conormi con una o più delle seguenti GIGABYTE products have not intended to add and sae rom hazardous Direttive UE, come applicabile: Direttiva EMC 2014/30/UE, Direttiva sulla substances (Cd, Pb, Hg, Cr+6, PBDE, PBB, DEHP, BBP, DBP and DIBP).
Page 40
To identiy your Motherboard version or revision number, look or "REV: X.X" printed on the PCB on the top let corner o the Motherboard. For example, "REV:1.0" means the revision o the motherboard is 1.0. Motherboard revision no.: Wireless module manuacturer, model name: A520I AC rev. 1.0/1.2/1.3 Intel Corporation 3168NGW ®...
Page 41
Approvals for wireless module 3168NGW: Approvals for wireless module 9260NGW: - 41 -...
Contact Us GIGA-BYTE TECHNOLOGY CO., LTD. Address: No.6, Baoqiang Rd., Xindian Dist., New Taipei City 231 TEL: +886-2-8912-4000, FAX: +886-2-8912-4005 Tech. and Non-Tech. Support (Sales/Marketing) : https://esupport.gigabyte.com WEB address (English): https://www.gigabyte.com WEB address (Chinese): https://www.gigabyte.com/tw • GIGABYTE eSupport To submit a technical or non-technical (Sales/Marketing) question, please link to: https://esupport.gigabyte.com...
Need help?
Do you have a question about the A520I AC and is the answer not in the manual?
Questions and answers