Table of Contents
ASUS PRIME A320I-K User Manual
Displayed below is the user manual for PRIME A320I-K by ASUS which is a product in the Motherboards category. This manual has pages.
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Motherboard
PRIME A320I-K
ii
E15429
First Edition
April 2019
Copyright © 2019 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means, except documentation kept by the purchaser for backup purposes, without the express written
permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless
such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the
product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, 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 USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),
EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY
DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
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Products and corporate names appearing in this manual may or may not be registered trademarks or
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Offer to Provide Source Code of Certain Software
This product contains copyrighted software that is licensed under the General Public License (“GPL”),
under the Lesser General Public License Version (“LGPL”) and/or other Free Open Source Software
Licenses. Such software in this product is distributed without any warranty to the extent permitted by the
applicable law. Copies of these licenses are included in this product.
Where the applicable license entitles you to the source code of such software and/or other additional data,
you may obtain it for a period of three years after our last shipment of the product, either
(1) for free by downloading it from http://support.asus.com/download
or
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In your request please provide the name, model number and version, as stated in the About Box of the
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iii
Contents
Safety information ...................................................................................... iv
About this guide ......................................................................................... iv
Package contents ....................................................................................... vi
PRIME A320I-K specifications summary .................................................. vi
Chapter 1 Product introduction
Motherboard overview ............................................................................. 1-1
Central Processing Unit (CPU) ................................................................ 1-7
System memory ........................................................................................ 1-8
Chapter 2 BIOS information
BIOS setup program ................................................................................. 2-1
EZ Mode ..................................................................................................... 2-2
Advanced Mode ........................................................................................ 2-3
Exit menu ................................................................................................... 2-4
Appendix
Notices .......................................................................................................A-1
ASUS contact information .......................................................................A-5
iv
Safety information
Electrical safety
• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet
before relocating the system.
• When adding or removing devices to or from the system, ensure that the power cables
for the devices are unplugged before the signal cables are connected. If possible,
disconnect all power cables from the existing system before you add a device.
• Before connecting or removing signal cables from the motherboard, ensure that all
power cables are unplugged.
• Seek professional assistance before using an adapter or extension cord. These devices
could interrupt the grounding circuit.
• Ensure that your power supply is set to the correct voltage in your area. If you are not
sure about the voltage of the electrical outlet you are using, contact your local power
company.
• If the power supply is broken, do not try to x it by yourself. Contact a qualied service
technician or your retailer.
Operation safety
• Before installing the motherboard and adding components, carefully read all the manuals
that came with the package.
• Before using the product, ensure all cables are correctly connected and the power
cables are not damaged. If you detect any damage, contact your dealer immediately.
• To avoid short circuits, keep paper clips, screws, and staples away from connectors,
slots, sockets and circuitry.
• Avoid dust, humidity, and temperature extremes. Do not place the product in any area
where it may be exposed to moisture.
• Place the product on a stable surface.
• If you encounter technical problems with the product, contact a qualied service
technician or your retailer.
About this guide
This user guide contains the information you need when installing and conguring the
motherboard.
How this guide is organized
This guide contains the following parts:
• Chapter1:Productintroduction
This chapter describes the features of the motherboard and the new technology it
supports. It includes descriptions of the switches, jumpers, and connectors on the
motherboard.
• Chapter2:BIOSinformation
This chapter discusses changing system settings through the BIOS Setup menus.
v
Where to find more information
Refer to the following sources for additional information and for product and software
updates.
1. ASUS websites
The ASUS website provides updated information on ASUS hardware and software
products. Refer to the ASUS contact information.
2. Optional documentation
Your product package may include optional documentation, such as warranty yers,
that may have been added by your dealer. These documents are not part of the
standard package.
Conventions used in this guide
To ensure that you perform certain tasks properly, take note of the following symbols used
throughout this manual.
DANGER/WARNING: Information to prevent injury to yourself when
completing a task.
CAUTION: Information to prevent damage to the components when
completing a task
IMPORTANT: Instructions that you MUST follow to complete a task.
NOTE: Tips and additional information to help you complete a task.
Typography
Bold text Indicates a menu or an item to select.
Italics
Used to emphasize a word or a phrase.
<Key> Keys enclosed in the less-than and greater-than sign
means that you must press the enclosed key.
Example: <Enter> means that you must press the Enter or
Return key.
<Key1> + <Key2> + <Key3> If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+).
vi
PRIME A320I-K specifications summary
(continued on the next page)
Package contents
Check your motherboard package for the following items.
Motherboard ASUS PRIME A320I-K motherboard
Cables 2 x Serial ATA 6.0 Gb/s cables
Accessories
1 x I/O shield
1 x M.2 screw package
1 x Bracket for M.2 2242
Application DVD 1 x Support DVD
Documentation 1 x User Manual
If any of the above items is damaged or missing, contact your retailer.
CPU
AMD AM4 Socket AMD Ryzen™ 2nd Generation/Ryzen™ with Radeon™ Vega
Graphics/Athlon™ with Radeon™ Vega Graphics/Ryzen™ 1st Generation/7th
Generation A-series/Athlon X4 Processors*
** Refer to www.asus.com for AMD CPU support list.
Chipset AMD Promontory A320 chipset
Memory
AMD Ryzen™ 2ndGenerationprocessors:
2 x DIMM, Max. 32GB, DDR4 3600(O.C.)/3466(O.C.)/3400(O.C.)/3200(O.C.)/30
00(O.C.)/2933(O.C.)/2800(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered
Memory*
Ryzen™ with Radeon™ Vega Graphics/ Ryzen™ 1stGenerationProcessors:
2 x DIMM, Max. 32GB, DDR4 3400(O.C.)/3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O
.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memory*
AMD 7thGenerationA-series/Athlon™processors:
2 x DIMM, Max. 32GB, DDR4 2400/2133 MHz Non-ECC, Un-buffered Memory*
Dual Channel Memory Architecture
* Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List).
Graphics
Integrated Graphics in the AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with
Radeon™ Vega Graphics/ 7th Generation A-Series APU
Multi-VGA output support: HDMI/DisplayPort ports
- Supports HDMI 1.4 with max. resolution up to 4096 x 2160 @ 24 Hz / 2560 x 1600
@ 60 Hz
- Supports DisplayPort 1.2 with max. resolution up to 4096x2160 @ 60Hz
- Maximum shared memory of 2048 MB (for iGPU exclusively)
Expansion
slots
AMD Ryzen™ 2nd Generation/ Ryzen™ 1stGenerationProcessors:
1 x PCIe 3.0/2.0 x16 (x16 mode)
AMD Ryzen™ with Radeon™ Vega Graphics /7th Generation A-Series/Athlon X4
Processors:
1 x PCIe 3.0/2.0 x16 (x8 mode)
AMDAthlon™withRadeon™VegaGraphicsProcessors:
1 x PCIe 3.0/2.0 x16 (max at x4 mode)
LAN Realtek® 8111H Gigabit LAN controller
ASUS LANGuard
vii
PRIME A320I-K specifications summary
(continued on the next page)
Audio
Realtek® ALC 887 8-channel* high denition audio CODEC
- Audio Shielding: Ensures precision analog/digital separation and greatly
reduces multi-lateral interference
- Dedicated audio PCB layers: Separate layers for left and right channels to
guard the quality of the sensitive audio signals
- Premium Japanese audio capacitors: Provide warm, natural and immersive
sound with exceptional clarity and delity
- Supports jack-detection and front panel jack-retasking
* Use a chassis with HD audio module in the front panel to support an 8-channel audio
output.
Storage
‘AMD Ryzen™ 2nd Generation/ Ryzen™ with Radeon™ Vega Graphics/
Ryzen™ 1stGenerationProcessors:
- 1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support
(SATA & PCIE 3.0 x 4 mode)
AMD 7thGenerationA-Series/Athlon™X4Processors:
- 1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support
(SATA mode)
AMDAthlon™withRadeon™VegaGraphicsProcessors:
- 1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support
(SATA mode)
AMDA320chipset:
- 4 x SATA 6Gb/s port(s) support RAID 0, 1, 10
USB
AMD Ryzen™ 2nd Generation/ Ryzen™ with Radeon™ Vega Graphics/
Athlon™ with Radeon™ Vega Graphics/ Ryzen™ 1st Generation/ 7th
GenerationA-Series/Athlon™X4Processors:
- 4 x USB 3.1 Gen 1 port(s) (4 at back panel, blue)
AMDA320Chipset:
- 2 x USB 3.1 Gen 1 ports (2 ports @mid-board)
- 4 x USB 2.0 ports (2 ports @mid-board; 2 ports @back panel)
ASUS unique
features
ASUS 5X PROTECTION III
- ASUS SafeSlot Core: Fortied PCIe with solid soldering
- ASUS ESD Guard: Enhanced ESD protection
- ASUS Overvoltage Protection: World-class circuit-protecting power design
- ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability!
- ASUS DIGI+ VRM power design
AURA
- Aura RGB Headers
ASUS EPU
- EPU
ASUS Quiet Thermal Solution
- Stylish Fanless Design Heat-sink solution
- ASUS Fan Xpert 2+
ASUS Exclusive Features
- ASUS Ai Charger
- ASUS AI Suite 3
viii
PRIME A320I-K specifications summary
ASUS unique
features
ASUS EZ DIY
- ASUS UEFI BIOS EZ Mode
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-Slot
- ASUS Q-LED
Rear panel I/O
ports
1 x PS/2 mouse/keyboard combo port
1 x HDMI port
1 x DisplayPort port
1 x LAN (RJ-45) port
2 x USB 2.0 ports
4 x USB 3.1 Gen 1 ports
3 x Audio jacks support 8-channel audio output
Internal
connectors
1 x USB 3.1 Gen 1 connector supports additional 2 USB 3.1 Gen 1 ports
1 x USB 2.0 connectors support additional 2 USB 2.0 ports
1 x M.2 Socket 3 (for M Key, type 2242/2260/2280 devices)
4 x SATA 6.0Gb/s connectors
2 x RGB Header(s)
1 x CPU Fan connector (support DC/PWM mode)
1 x CPU OPT Fan connector (1 x 4 -pin)
2 x Chassis Fan connectors (4-pin) for both 3-pin(DC mode) and 4-pin(PWM
mode) coolers control
1 x Front panel audio connector (AAFP)
1 x 24-pin EATX Power connector
1 x 8-pin EATX 12V Power connector
1 x System Panel Connector
1 x TPM header (14-1pin)
1 x Clear CMOS jumper
BIOS features
128 Mb Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.1, ACPI 6.1, Multi-
language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F11 EZ Tuning
Wizard, F6 Qfan Control, F3 My Favorites, Last Modied log, F9 Search,
F12 PrintScreen, and ASUS DRAM SPD (Serial Presence Detect) memory
information
Manageability WfM 2.0, DMI 3.0, WOL by PME, PXE
Support DVD
Drivers
ASUS Utilities
ASUS Update
Anti-virus software (OEM version)
OS support Windows® 10 (64-bit)
Form factor Mini ITX form factor: 6.7 inch x 6.7 inch (17cm x 17cm)
Specications are subject to change without notice.
ASUS PRIME A320I-K 1-1
Product introduction
1
Motherboard overview
• Unplugthepowercordfromthewallsocketbeforetouchinganycomponent.
• Beforehandlingcomponents,useagroundedwriststraportouchasafelygrounded
objectorametalobject,suchasthepowersupplycase,toavoiddamagingthemdue
tostaticelectricity.
• Beforeyouinstallorremoveanycomponent,ensurethattheATXpowersupplyis
switchedofforthepowercordisdetachedfromthepowersupply.Failuretodoso
maycauseseveredamagetothemotherboard,peripherals,orcomponents.
• Unplugthepowercordbeforeinstallingorremovingthemotherboard.Failuretodoso
cancauseyouphysicalinjuryanddamagetomotherboardcomponents.
Place this
side towards
the rear of the
chassis
ScantheQRcodetogetthedetailedpindenitions.
17.0cm(6.7in)
17.0cm(6.7in)
DDR4 DIMM_A1* (64bit, 288-pin module)
DDR4 DIMM_B1* (64bit,288-pin module)
EATXPWR
M.2(SOCKET3)
F_PANEL
CLRTC
SATA6G_34
SATA6G_1SATA6G_2 SPEAKER
RGB_HEADER1
RGB_HEADER2
USB34
AAFP
ALC
887
HDMI_DP
USB12
AUDIO
LAN_U31G1_34
128Mb
BIOS
AMD®
A320
Realtek®
8111H
PCIEX16
CPU_FAN
CPU_OPT
DIGI
+VRM
CHA_FAN1
CHA_FAN2
TPM
22602280
SOCKET AM4
U31G1_12
BATT_CON
EATX12V
KBMS
_U31G1
_56
9
10
1
7
8
12 11
13141516
21 3 4 5 6
1-2 Chapter 1: Product introduction
CPU and chassis fan connectors (4-pin CPU_FAN, CPU_OPT, CHA_FAN1/2)
Connectthefancablestothefanconnectorsonthemotherboard,ensuringthatthe
blackwireofeachcablematchesthegroundpinoftheconnector.
Donotforgettoconnectthefancablestothefanconnectors.Insufcientairowinside
thesystemmaydamagethemotherboardcomponents.Thesearenotjumpers!Donot
placejumpercapsonthefanconnectors!TheCPU_FANconnectorsupportsaCPUfan
ofmaximum1A(12W)fanpower.
RGB header (4-pin RGB_HEADER)
ThisheaderisforRGBLEDstrips.
TheRGBheadersupports5050RGBmulti-colorLEDstrips(12V/G/R/B),witha
maximumpowerratingof3A(12V),andnolongerthan3m.
Beforeyouinstallorremoveanycomponent,ensurethattheATXpowersupplyis
switchedofforthepowercordisdetachedfromthepowersupply.Failuretodosomay
causeseveredamagetothemotherboard,peripherals,orcomponents.
• ActuallightingandcolorwillvarywithLEDstrip.
• IfyourLEDstripdoesnotlightup,checkiftheRGBLEDextensioncableandthe
RGBLEDstripisconnectedinthecorrectorientation,andthe12Vconnectoris
alignedwiththe12Vheaderonthemotherboard.
• TheLEDstripwillonlylightupwhenthesystemisoperating.
• TheLEDstripsarepurchasedseparately.
AMD AM4 CPU socket
ThismotherboardcomeswithanAMDAM4socketdesignedforRyzen™2nd
Generation/Ryzen™withRadeon™VegaGraphics/Athlon™withRadeon™Vega
Graphics/Ryzen™1stGeneration/7thGenerationA-series/AthlonX4Processors.
Formoredetails,refertoCentral Processing Unit (CPU).
ATX power connectors (24-pin EATXPWR, 8-pin EATX12V)
TheseconnectorsareforATXpowersupplyplugs.Thepowersupplyplugsare
designedtottheseconnectorsinonlyoneorientation.Findtheproperorientation
andpushdownrmlyuntiltheconnectorscompletelyt.
• Forafullyconguredsystem,werecommendthatyouuseapowersupplyunit
(PSU)thatcomplieswithATX12VSpecication2.0(orlaterversion)andprovides
aminimumpowerof300W.ThisPSUtypehas24-pinand4-pinpowerplugs.
• DONOTforgettoconnectthe8-pinEATX+12Vpowerplug.Otherwise,thesystem
willnotbootup.
• WerecommendthatyouuseaPSUwithhigherpoweroutputwhenconguringa
systemwithmorepower-consumingdevicesorwhenyouintendtoinstalladditional
devices.Thesystemmaybecomeunstableormaynotbootupifthepoweris
inadequate.
ASUS PRIME A320I-K 1-3
DDR4 DIMM slots
Install2GB,4GB,8GB,and16GBunbufferednon-ECCDDR4DIMMsintothese
DIMMsockets.
Formoredetails,refertoSystem memory.
Clear RTC RAM (2-pin CLRTC)
ThisheaderallowsyoutocleartheCMOSRTCRAMdataof
thesystemsetupinformationsuchasdate,time,andsystem
passwords.
ToerasetheRTCRAM:
1. TurnOFFthecomputerandunplugthepowercord.
2. Useametalobjectsuchasascrewdrivertoshortthetwo
pins.
3. PlugthepowercordandturnONthecomputer.
4. Holddownthe<Del>keyduringthebootprocessandenter
BIOSsetuptore-enterdata.
CLRTC
+3V_BAT
GND
PIN 1
Ifthestepsabovedonothelp,removetheonboardbatteryandshortthetwopinsagain
tocleartheCMOSRTCRAMdata.AfterclearingtheCMOS,reinstallthebattery.
System panel connector (10-1 pin F_PANEL)
Thisconnectorsupportsseveralchassis-mountedfunctions.
Speaker connector (4-pin SPEAKER)
This4-pinconnectorisforthechassis-mountedsystemwarningspeaker.The
speakerallowsyoutohearsystembeepsandwarnings.
AMD A320 Serial ATA 6.0Gb/s connectors (7-pin SATA6G_1~4)
TheseconnectorsconnecttoSerialATA6.0Gb/sharddiskdrivesviaSerialATA
6.0Gb/ssignalcables.
USB 3.1 Gen 1 connector (20-1 pin USB3_12)
ThisconnectorallowsyoutoconnectaUSB3.1Gen1moduleforadditionalUSB
3.1Gen1frontorrearpanelports.WithaninstalledUSB3.1Gen1module,you
canenjoyallthebenetsofUSB3.1Gen1includingfasterdatatransferspeeds
ofupto5Gbps,fasterchargingtimeforUSB-chargeabledevices,optimizedpower
efciencyandbackwardcompatibilitywithUSB2.0.
M.2 socket 3
ThissocketallowsyoutoinstallM.2(NGFF)SSDmodules.
•
ThisM.2socketsupportsMKeyand2242/2260/2280
storagedevices.
•
DuetoCPUlimitation,M.2socketsupportedvariesby
processor.Refertothespecicationssummarytablefor
moredetails.
M.2(SOCKET3)
1-4 Chapter 1: Product introduction
PCI Express 3.0 / 2.0 x16 slot
ThismotherboardsupportsonePCIExpress3.0/2.0x16graphiccardthat
complieswiththePCIExpressspecications.
RTC Battery header (2-pin BATT_CON)
ThisconnectorisforthelithiumCMOSbattery.
USB 2.0 connectors (10-1 pin USB34, USB56)
TheseconnectorsareforUSB2.0ports.ConnecttheUSBmodulecabletoany
oftheseconnectors,theninstallthemoduletoaslotopeningatthebackofthe
systemchassis.TheseUSBconnectorscomplywithUSB2.0specicationsand
supportupto480Mbpsconnectionspeed.
Neverconnecta1394cabletotheUSBconnectors.Doingsowilldamagethe
motherboard!
Front panel audio connector (10-1 pin AAFP)
Thisconnectorisforachassis-mountedfrontpanelaudioI/Omodulethatsupports
eitherHDAudioorlegacyAC`97audiostandard.Connectoneendofthefront
panelaudioI/Omodulecabletothisconnector.
• Werecommendthatyouconnectahigh-denitionfrontpanelaudiomoduletothis
connectortoavailofthemotherboard’shigh-denitionaudiocapability.
• Ifyouwanttoconnectahigh-denitionfrontpanelaudiomoduletothisconnector,
settheFront Panel TypeitemintheBIOSsetupto[HDAudio].Ifyouwantto
connectanAC’97frontpanelaudiomoduletothisconnector,settheitemto
[AC97].Bydefault,thisconnectorissetto[HDAudio].
TPM connector (14-1 pin TPM)
ThisconnectorsupportsaTrustedPlatformModule(TPM)system,whichcan
securelystorekeys,digitalcerticates,passwordsanddata.ATPMsystemalso
helpsenhancenetworksecurity,protectsdigitalidentities,andensuresplatform
integrity.
ASUS PRIME A320I-K 1-5
LAN port
Speed
LED
Activity Link
LED
Activity/Link LED Speed LED
Status Description Status Description
Off Nolink OFF 10Mbpsconnection
Orange Linked ORANGE 100Mbpsconnection
Orange
(Blinking)
Dataactivity GREEN 1Gbpsconnection
Orange
(Blinkingthen
steady)
Readytowake
upfromS5mode
1. DisplayPort.ThisportisforDisplayPort-compatiabledevices.
2. PS/2 Mouse/Keyboard combo port.ThisportconnectstoaPS/2mouseorPS/2
keyboard.
3. USB 2.0 ports.These4-pinUniversalSerialBus(USB)portsareforUSB2.0/1.1
devices.
4. LAN (RJ-45) port.ThisportallowsGigabitconnectiontoaLocalAreaNetwork(LAN)
throughanetworkhub.
LAN port LED indications
25 6
7
4
8
1
9
3
1.2.2 Rear panel connectors
5. Line In port (light blue).Thisportconnectstothetape,CD,DVDplayer,orother
audiosources.
6. Line Out port (lime).Thisportconnectstoaheadphoneoraspeaker.Inthe4.1,
5.1and7.1-channelcongurations,thefunctionofthisportbecomesFrontSpeaker
Out.
7. Microphone port (pink).Thisportconnectstoamicrophone.
Refertotheaudiocongurationtableforthefunctionoftheaudioportsin2.1,4.1,5.1,or
7.1-channelconguration.
1-6 Chapter 1: Product introduction
8. USB 3.1 Gen 1 ports.Thesetwo9-pinUniversalSerialBus(USB)portsconnectto
USB3.1Gen1devices.
• USB3.1Gen1devicescanonlybeusedfordatastorage.
• DuetothedesignofAMDAM4serieschipset,allUSBdevicesconnectedtotheUSB
2.0andUSB3.1Gen1portsarecontrolledbythexHCIcontroller.
• WestronglyrecommendthatyouconnectUSB3.1Gen1devicestoUSB3.1Gen1
portsforfasterandbetterperformancefromyourUSB3.1Gen1devices.
9. HDMI port.ThisportisforaHigh-DenitionMultimediaInterface(HDMI)connector,
andisHDCPcompliantallowingplaybackofHDDVD,Blu-ray,andotherprotected
content.
Port Headset
2.1-channel 4.1-channel 5.1-channel 7.1-channel
LightBlue(Rearpanel) LineIn RearSpeakerOut RearSpeakerOut RearSpeakerOut
Lime(Rearpanel) LineOut FrontSpeakerOut FrontSpeakerOut FrontSpeakerOut
Pink(Rearpanel) MicIn MicIn Bass/Center Bass/Center
Lime(Frontpanel) - - - SideSpeakerOut
Audio 2.1, 4.1, 5.1 or 7.1-channel configuration
ASUS PRIME A320I-K 1-7
Central Processing Unit (CPU)
ThemotherboardcomeswithanAMDAM4socketdesignedforAMD
Ryzen™2ndGeneration/Ryzen™withRadeon™VegaGraphics/
Athlon™withRadeon™VegaGraphics/Ryzen™1stGeneration/7th
GenerationA-series/AthlonX4Processors.
UnplugallpowercablesbeforeinstallingtheCPU.
TheAM4sockethasadifferentpinoutfromtheFM2+/FM2socket.Ensurethatyouusea
CPUdesignedfortheAM4socket.TheCPUtsinonlyonecorrectorientation.DONOT
forcetheCPUintothesockettopreventbendingthepinsanddamagingtheCPU!
Installing the CPU
ApplytheThermalInterfaceMaterialtotheCPUheatsinkandCPUbeforeyouinstallthe
heatsinkandfanifnecessary.
1
3
2
4
1-8 Chapter 1: Product introduction
System memory
Overview
ThismotherboardcomeswithtwoDoubleDataRate4(DDR4)DualInlineMemoryModule
(DIMM)sockets.ThegureillustratesthelocationoftheDDR4DIMMsockets:
• YoumayinstallvaryingmemorysizesinChannelAandChannelB.Thesystem
mapsthetotalsizeofthelower-sizedchannelforthedual-channelconguration.Any
excessmemoryfromthehigher-sizedchannelisthenmappedforsingle-channel
operation.
• AlwaysinstallDIMMswiththesameCASlatency.Foroptimalcompatibility,we
recommendthatyouinstallmemorymodulesofthesameversionordatecode(D/C)
fromthesamevendor.Checkwiththeretailertogetthecorrectmemorymodules.
Recommended memory configuration
Channel Sockets
ChannelA DIMM_A1&DIMM_A2
ChannelB DIMM_B1&DIMM_B2
• Forsystemstability,useamoreefcientmemorycoolingsystemtosupportafull
memoryload(4DIMMs).
• Refertowww.asus.comforthelatestMemoryQVL(QualiedVendorsList)
Installing a DIMM
1 2
To remove a DIMM
B
A
B
A
A
DIMM_A1*
DIMM_B1*
DIMM_A1*
DIMM_A1*
DIMM_B1*
BIOS information
2
• ScantheQRcodetoviewtheBIOSupdateguide.
• BeforeusingtheASUSCrashFreeBIOS3utility,renamethe
BIOSleintheremovabledeviceintoPRA320IK.CAP.
BIOS setup program
UsetheBIOSSetupprogramtoupdatetheBIOSorcongureitsparameters.TheBIOS
screensincludenavigationkeysandbriefonlinehelptoguideyouinusingtheBIOSSetup
program.
Entering BIOS Setup at startup
ToenterBIOSSetupatstartup:
Press<Delete>or<F2>duringthePower-OnSelfTest(POST).Ifyoudonotpress<Delete>
or<F2>,POSTcontinueswithitsroutines.
Entering BIOS Setup after POST
ToenterBIOSSetupafterPOST:
Press<Ctrl>+<Alt>+<Del>simultaneously.
Presstheresetbuttononthesystemchassis.
Pressthepowerbuttontoturnthesystemoffthenbackon.Dothisoptiononlyifyoufailedto
enterBIOSSetupusingthersttwooptions.
Usingthepowerbutton,resetbutton,orthe<Ctrl>+<Alt>+<Del>keystoforceresetfroma
runningoperatingsystemcancausedamagetoyourdataorsystem.Werecommendyou
alwaysshutdownthesystemproperlyfromtheoperatingsystem.
• TheBIOSsetupscreensshowninthissectionareforreferencepurposesonly,and
maynotexactlymatchwhatyouseeonyourscreen.
• VisittheASUSwebsiteatwww.asus.comtodownloadthelatestBIOSleforthis
motherboard.
• IfthesystembecomesunstableafterchanginganyBIOSsetting,loadthedefault
settingstoensuresystemcompatibilityandstability.SelecttheLoad Optimized
DefaultsitemundertheExitmenuorpresshotkeyF5.
• IfthesystemfailstobootafterchanginganyBIOSsetting,trytocleartheCMOSand
resetthemotherboardtothedefaultvalue.SeesectionMotherboard overviewfor
informationonhowtoerasetheRTCRAM.
BIOS menu screen
TheBIOSsetupprogramcanbeusedundertwomodes:EZ ModeandAdvanced Mode.
Press<F7>tochangebetweenthetwomodes.
ASUS PRIME A320I-K 2-1
EZ Mode
Bydefault,theEZModescreenappearswhenyouentertheBIOSsetupprogram.TheEZ
Modeprovidesyouanoverviewofthebasicsysteminformation,andallowsyoutoselectthe
displaylanguage,systemperformancemode,fanproleandbootdevicepriority.Toaccess
theAdvancedMode,clickAdvanced Mode(F7)orpress<F7>.
ThedefaultscreenforenteringtheBIOSsetupprogramcanbechanged.
Thebootdeviceoptionsvarydependingonthedevicesyouinstalledtothesystem.
Saves the changes
and resets the
system
Selects the display
language of
the BIOS setup
program
Displays the CPU/
motherboard temperature,
CPU voltage output, CPU/
chassis fan speed, and
SATA information
Displays the system properties
of the selected mode. Click
<Enter> to switch EZ System
Tuning modes
Displays the
Advanced mode
menus
Selects the boot
device priority
Loads optimized
default settings
Shows the
bootable
devices
Displays the CPU Fan’s speed
Click the button to manually
tune the fans Search on FAQ
Searches by BIOS item name,
enter the item name to find the
related item listing Turns the RGB LED
lighting on or off
2-2 Chapter 2: BIOS information
Configuration
fields
Menu bar
General help
Menu items
Scroll bar
Last modified
settings
Language
MyFavorite Q-Fan control
Goes back
to EZ Mode
Displays the CPU temperature, CPU
and memory voltage output
Advanced Mode
TheAdvancedModeprovidesadvancedoptionsforexperiencedend-userstocongurethe
BIOSsettings.ThegurebelowshowsanexampleoftheAdvanced Mode.Refertothe
followingsectionsforthedetailedcongurations.
ToaccesstheEZMode,clickEzMode(F7)orpress<F7>.
Popup window
Search on
FAQ
AURA ON/OFF(F4)
Search(F9)
Hot keys
ASUS PRIME A320I-K 2-3
Load Optimized Defaults
ThisoptionallowsyoutoloadthedefaultvaluesforeachoftheparametersontheSetup
menus.Whenyouselectthisoptionorifyoupress<F5>,aconrmationwindowappears.
SelectOKtoloadthedefaultvalues.
Save Changes & Reset
Onceyouarenishedmakingyourselections,choosethisoptionfromtheExitmenuto
ensurethevaluesyouselectedaresaved.Whenyouselectthisoptionorifyoupress<F10>,
aconrmationwindowappears.SelectOKtosavechangesandexit.
Discard Changes and Exit
ThisoptionallowsyoutoexittheSetupprogramwithoutsavingyourchanges.Whenyou
selectthisoptionorifyoupress<Esc>,aconrmationwindowappears.SelectOKtodiscard
changesandexit.
Launch EFI Shell from USB drives
ThisoptionallowsyoutoattempttolaunchtheEFIShellapplication(shellx64.e)fromoneof
theavailableUSBdevices.
Exit menu
TheExitmenuitemsallowyoutoloadtheoptimaldefaultvaluesfortheBIOSitems,and
saveordiscardyourchangestotheBIOSitems.
Search on FAQ
MoveyourmouseoverthisbuttontoshowaQRcode.ScanthisQRcodewithyourmobile
devicetoconnecttotheASUSBIOSFAQwebpage.YoucanalsoscantheQRcodebelow.
2-4 Chapter 2: BIOS information
A-1
Appendix
Appendix
Notices
FCC Compliance Information
Responsible Party: Asus Computer International
Address: 48720 Kato Rd., Fremont, CA 94538, USA
Phone / Fax No: (510)739-3777 / (510)608-4555
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.
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 installation. 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 interference 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 receiver.
- Connect the equipment into 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.
ASUS PRIME A320I-K
A-2
Compliance Statement of Innovation, Science and Economic
Development Canada (ISED)
This device complies with Innovation, Science and Economic Development Canada licence
exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device
may not cause interference, and (2) this device must accept any interference, including
interference that may cause undesired operation of the device.
CAN ICES-3(B)/NMB-3(B)
Déclaration de conformité de Innovation, Sciences et
Développement économique Canada (ISED)
Le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement
économique Canada applicables aux appareils radio exempts de licence. L’exploitation est
autorisée aux deux conditions suivantes : (1) l’appareil ne doit pas produire de brouillage,
et (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le
brouillage est susceptible d’en compromettre le fonctionnement.
CAN ICES-3(B)/NMB-3(B)
VCCI:JapanComplianceStatement
Class B ITE
KC:KoreaWarningStatement
A-3
Appendix
REACH
Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of
Chemicals) regulatory framework, we published the chemical substances in our products at
ASUS REACH website at http://csr.asus.com/english/REACH.htm.
DO NOT throw the motherboard in municipal waste. This product has been designed to
enable proper reuse of parts and recycling. This symbol of the crossed out wheeled bin
indicates that the product (electrical and electronic equipment) should not be placed in
municipal waste. Check local regulations for disposal of electronic products.
DO NOT throw the mercury-containing button cell battery in municipal waste. This symbol
of the crossed out wheeled bin indicates that the battery should not be placed in municipal
waste.
ASUS Recycling/Takeback Services
ASUS recycling and takeback programs come from our commitment to the highest standards
for protecting our environment. We believe in providing solutions for you to be able to
responsibly recycle our products, batteries, other components as well as the packaging
materials. Please go to http://csr.asus.com/english/Takeback.htm for detailed recycling
information in different regions.
Regional notice for California
WARNING
Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
Google™ License Terms
Copyright© 2018 Google Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the “License”); you may not use this le
except in compliance with the License. You may obtain a copy of the License at:
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the
License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
ANY KIND, either express or implied.
See the License for the specic language governing permissions and limitations under the
License.
ASUS PRIME A320I-K
A-4
Română ASUSTeK Computer Inc. declară că acest dispozitiv se conformează
cerinţelor esenţiale şi altor prevederi relevante ale directivelor conexe. Textul
complet al declaraţiei de conformitate a Uniunii Europene se găseşte la:
www.asus.com/support
Srpski ASUSTeK Computer Inc. ovim izjavljuje da je ovaj uređaj u saglasnosti
sa osnovnim zahtevima i drugim relevantnim odredbama povezanih
Direktiva. Pun tekst EU deklaracije o usaglašenosti je dostupan da adresi:
www.asus.com/support
Slovensky Spoločnosť ASUSTeK Computer Inc. týmto vyhlasuje, že toto
zariadenie vyhovuje základným požiadavkám a ostatým príslušným
ustanoveniam príslušných smerníc. Celý text vyhlásenia o zhode pre štáty EÚ
je dostupný na adrese: www.asus.com/support
Slovenščina ASUSTeK Computer Inc. izjavlja, da je ta naprava skladna z
bistvenimi zahtevami in drugimi ustreznimi določbami povezanih direktiv.
Celotno besedilo EU-izjave o skladnosti je na voljo na spletnem mestu:
www.asus.com/support
Español Por la presente, ASUSTeK Computer Inc. declara que este dispositivo
cumple los requisitos básicos y otras disposiciones pertinentes de las
directivas relacionadas. El texto completo de la declaración de la UE de
conformidad está disponible en: www.asus.com/support
Svenska ASUSTeK Computer Inc. förklarar härmed att denna
enhet överensstämmer med de grundläggande kraven och andra
relevanta föreskrifter i relaterade direktiv. Fulltext av EU-försäkran om
överensstämmelse nns på: www.asus.com/support
Українська ASUSTeK Computer Inc. заявляє, що цей пристрій відповідає
основним вимогам та іншим відповідним положенням відповідних
Директив. Повний текст декларації відповідності стандартам ЄС
доступний на: www.asus.com/support
Türkçe AsusTek Computer Inc., bu aygıtın temel gereksinimlerle ve ilişkili
Yönergelerin diğer ilgili koşullarıyla uyumlu olduğunu beyan eder. AB
uygunluk bildiriminin tam metni şu adreste bulunabilir:
www.asus.com/support
Bosanski ASUSTeK Computer Inc. ovim izjavljuje da je ovaj uređaj usklađen
sa bitnim zahtjevima i ostalim odgovarajućim odredbama vezanih direktiva.
Cijeli tekst EU izjave o usklađenosti dostupan je na: www.asus.com/support
English ASUSTeK Computer Inc. hereby declares that this device is in
compliance with the essential requirements and other relevant provisions of
related Directives. Full text of EU declaration of conformity is available at:
www.asus.com/support
Français AsusTek Computer Inc. déclare par la présente que cet appareil est
conforme aux critères essentiels et autres clauses pertinentes des directives
concernées. La déclaration de conformité de l’UE peut être téléchargée à
partir du site Internet suivant : www.asus.com/support
Deutsch ASUSTeK Computer Inc. erklärt hiermit, dass dieses Gerät mit
den wesentlichen Anforderungen und anderen relevanten Bestimmungen
der zugehörigen Richtlinien übereinstimmt. Der gesamte Text der EU-
Konformitätserklärung ist verfügbar unter: www.asus.com/support
Italiano ASUSTeK Computer Inc. con la presente dichiara che questo
dispositivo è conforme ai requisiti essenziali e alle altre disposizioni pertinenti
con le direttive correlate. Il testo completo della dichiarazione di conformità
UE è disponibile all’indirizzo: www.asus.com/support
Русский Компания ASUS заявляет, что это устройство соответствует
основным требованиям и другим соответствующим условиям
соответствующих директив. Подробную информацию, пожалуйста,
смотрите на www.asus.com/support
Български С настоящото ASUSTeK Computer Inc. декларира, че това
устройство е в съответствие със съществените изисквания и другите
приложими постановления на свързаните директиви. Пълният текст на
декларацията за съответствие на ЕС е достъпна на адрес:
www.asus.com/support
Hrvatski ASUSTeK Computer Inc. ovim izjavljuje da je ovaj uređaj sukladan
s bitnim zahtjevima i ostalim odgovarajućim odredbama vezanih direktiva.
Cijeli tekst EU izjave o sukladnosti dostupan je na: www.asus.com/support
Čeština Společnost ASUSTeK Computer Inc. tímto prohlašuje, že toto
zařízení splňuje základní požadavky a další příslušná ustanovení souvisejících
směrnic. Plné znění prohlášení o shodě EU je k dispozici na adrese:
www.asus.com/support
Dansk ASUSTeK Computer Inc. erklærer hermed, at denne enhed er i
overensstemmelse med hovedkravene og andre relevante bestemmelser i de
relaterede direktiver. Hele EU-overensstemmelseserklæringen kan ndes på:
www.asus.com/support
Nederlands ASUSTeK Computer Inc. verklaart hierbij dat dit apparaat
voldoet aan de essentiële vereisten en andere relevante bepalingen van
de verwante richtlijnen. De volledige tekst van de EU-verklaring van
conformiteit is beschikbaar op: www.asus.com/support
Eesti Käesolevaga kinnitab ASUSTeK Computer Inc, et see seade vastab
asjakohaste direktiivide oluliste nõuetele ja teistele asjassepuutuvatele
sätetele. EL vastavusdeklaratsiooni täielik tekst on saadaval järgmisel
aadressil: www.asus.com/support
Suomi ASUSTeK Computer Inc. ilmoittaa täten, että tämä laite on
asiaankuuluvien direktiivien olennaisten vaatimusten ja muiden tätä
koskevien säädösten mukainen. EU-yhdenmukaisuusilmoituksen koko teksti
on luettavissa osoitteessa: www.asus.com/support
Ελληνικά Με το παρόν, η AsusTek Computer Inc. δηλώνει ότι αυτή η
συσκευή συμμορφώνεται με τις θεμελιώδεις απαιτήσεις και άλλες σχετικές
διατάξεις των Οδηγιών της ΕΕ. Το πλήρες κείμενο της δήλωσης συμβατότητας
είναι διαθέσιμο στη διεύθυνση: www.asus.com/support
Magyar Az ASUSTeK Computer Inc. ezennel kijelenti, hogy ez az eszköz
megfelel a kapcsolódó Irányelvek lényeges követelményeinek és egyéb
vonatkozó rendelkezéseinek. Az EU megfelelőségi nyilatkozat teljes szövege
innen letölthető: www.asus.com/support
Latviski ASUSTeK Computer Inc. ar šo paziņo, ka šī ierīce atbilst saistīto
Direktīvu būtiskajām prasībām un citiem citiem saistošajiem nosacījumiem.
Pilns ES atbilstības paziņojuma teksts pieejams šeit: www.asus.com/support
Lietuvių „ASUSTeK Computer Inc.“ šiuo tvirtina, kad šis įrenginys atitinka
pagrindinius reikalavimus ir kitas svarbias susijusių direktyvų nuostatas. Visą
ES atitikties deklaracijos tekstą galima rasti: www.asus.com/support
Norsk ASUSTeK Computer Inc. erklærer herved at denne enheten er i
samsvar med hovedsaklige krav og andre relevante forskrifter i relaterte
direktiver. Fullstendig tekst for EU-samsvarserklæringen nnes på:
www.asus.com/support
Polski Firma ASUSTeK Computer Inc. niniejszym oświadcza, że
urządzenie to jest zgodne z zasadniczymi wymogami i innymi właściwymi
postanowieniami powiązanych dyrektyw. Pełny tekst deklaracji zgodności UE
jest dostępny pod adresem: www.asus.com/support
Português A ASUSTeK Computer Inc. declara que este dispositivo está em
conformidade com os requisitos essenciais e outras disposições relevantes
das Diretivas relacionadas. Texto integral da declaração da UE disponível em:
www.asus.com/support
A-5
Appendix
ASUS contact information
ASUSTeK COMPUTER INC.
Address 4F, No. 150, Li-Te Road, Peitou, Taipei 112, Taiwan
Telephone +886-2-2894-3447
Fax +886-2-2890-7798
Web site www.asus.com
Technical Support
Telephone +86-21-38429911
Fax +86-21-5866-8722, ext. 9101#
Online support http://qr.asus.com/techserv
ASUS COMPUTER INTERNATIONAL (America)
Address 48720 Kato Rd., Fremont, CA 94538, USA
Telephone +1-510-739-3777
Fax +1-510-608-4555
Web site http://www.asus.com/us/
Technical Support
Support fax +1-812-284-0883
Telephone +1-812-282-2787
Online support http://qr.asus.com/techserv
ASUS COMPUTER GmbH (Germany and Austria)
Address Harkort Str. 21-23, 40880 Ratingen, Germany
Fax +49-2102-959931
Web site http://www.asus.com/de
Online contact http://eu-rma.asus.com/sales
Technical Support
Telephone +49-2102-5789555
Support Fax +49-2102-959911
Online support http://qr.asus.com/techserv