PRIME A320M-K
Motherboard
E15417
Revised 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, modified or altered, unless such repair, modification 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.
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Offer to Provide Source Code of Certain Software
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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
(2)for the cost of reproduction and shipment, which is dependent on the preferred carrier and the location where you want to have it shipped to, by sending a request to:
ASUSTeK Computer Inc.
Legal Compliance Dept.
15 Li Te Rd.,
Beitou, Taipei 112
Taiwan
In your request please provide the name, model number and version, as stated in the About Box of the product for which you wish to obtain the corresponding source code and your contact details so that we can coordinate the terms and cost of shipment with you.
The source code will be distributed WITHOUT ANY WARRANTY and licensed under the same license as the corresponding binary/object code.
This offer is valid to anyone in receipt of this information.
ASUSTeK is eager to duly provide complete source code as required under various Free Open Source Software licenses. If however you encounter any problems in obtaining the full corresponding source code we would be much obliged if you give us a notification to the email address gpl@asus.com, stating the product and describing the problem (please DO NOT send large attachments such as source code archives, etc. to this email address).
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Contents
Safety information....................................................................................... |
iv |
About this guide.......................................................................................... |
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Package contents........................................................................................ |
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PRIME A320M-K specifications summary................................................. |
vi |
Chapter 1: |
Product introduction |
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Motherboard overview.............................................................................. |
1-1 |
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Central Processing Unit (CPU)................................................................. |
1-8 |
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System memory......................................................................................... |
1-9 |
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Chapter 2: |
BIOS information |
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BIOS setup program................................................................................. |
2-1 |
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EZ Mode..................................................................................................... |
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2-2 |
Advanced Mode......................................................................................... |
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2-3 |
Exit menu................................................................................................... |
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2-4 |
Appendix |
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Notices....................................................................................................... |
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A-1 |
ASUS contact information........................................................................ |
A-5 |
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iii
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 fix it by yourself. Contact a qualified 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 qualified service technician or your retailer.
About this guide
This user guide contains the information you need when installing and configuring the motherboard.
How this guide is organized
This guide contains the following parts:
•Chapter 1: Product introduction
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.
•Chapter 2: BIOS information
This chapter discusses changing system settings through the BIOS Setup menus.
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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 flyers, 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 |
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means that you must press the enclosed key. |
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Example: <Enter> means that you must press the Enter or |
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Return key. |
<Key1> + <Key2> + <Key3> |
If you must press two or more keys simultaneously, the key |
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names are linked with a plus sign (+). |
v
Package contents
Check your motherboard package for the following items.
Motherboard |
ASUS PRIME A320M-K motherboard |
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Cables |
2 x Serial ATA 6.0 Gb/s cables |
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Accessories |
1 x I/O shield |
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1 x M.2 screw package |
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Application DVD |
1 x Support DVD |
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Documentation |
1 x User Manual |
If any of the above items is damaged or missing, contact your retailer.
PRIME A320M-K specifications summary
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AM4 socket for AMD Ryzen™ / 7th Generation A-series / Athlon™ processors |
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CPU |
Supports CPU up to 8 cores* |
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* Due to CPU limitation, CPU cores supported vary by processor. |
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** Refer to www.asus.com for AMD CPU support list. |
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Chipset |
AMD A320 chipset |
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AMD Ryzen™ processors: |
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2 x DIMMs, max. 32GB, DDR4 3200(O.C.)/2933(O.C.)/2666/2400/2133 MHz, ECC |
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and non-ECC, un-buffered memory |
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Memory |
AMD 7th Generation A-series / Athlon™ processors: |
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2 x DIMMs, max. 32GB, DDR4 2400/2133 MHz, non-ECC un-buffered memory |
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Dual-channel memory architecture |
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* Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List). |
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Integrated AMD Radeon™ R Series Graphics in the 7th Generation A-series APU |
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Multi-VGA output support: HDMI, and D-Sub ports |
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Graphics |
- Supports HDMI 1.4b with maximum resolution of 4096 x 2160 @24Hz / 2560 x |
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1600 @60Hz |
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- Supports D-Sub with maximum resolution of 1920 x 1200 @60Hz |
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- Maximum shared memory of 2048 MB |
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AMD Ryzen™ processors: |
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1 x PCI Express 3.0/2.0 x16 slot (max. @x16 mode) |
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Expansion |
AMD 7th Generation A-series / Athlon™ processors: |
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slots |
1 x PCI Express 3.0/2.0 x16 slot (max. @x8 mode) |
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AMD A320 Chipset: |
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2 x PCI Express 2.0 x1 slots |
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LAN |
Realtek® 8111H Gigabit LAN controller |
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Audio |
Realtek® ALC 887-VD2 8-Channel High Definition Audio CODEC |
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* Use a chassis with HD audio module in the front panel to support an 8-channel audio |
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output. |
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(continued on the next page) |
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PRIME A320M-K specifications summary
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AMD A320 Chipset |
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- 4 x Serial ATA 6.0 Gb/s connectors with RAID 0, RAID 1 and RAID 10 support |
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AMD Ryzen™ processors: |
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Storage |
- 1 x M.2 socket 3 with M Key, Type 2242/2260/2280 (PCIe 3.0 x4 and SATA |
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modes) storage devices support |
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AMD 7th Generation A-series / Athlon™ processors: |
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1 x M.2 socket 3 with M Key, Type 2242/2260/2280 (SATA mode) storage |
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devices support |
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AMD Ryzen™ / 7th Generation A-series / Athlon™ processors |
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4 x USB 3.1 Gen 1 ports (4 ports at back panel) |
USB |
AMD A320 Chipset: |
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- 2 x USB 3.1 Gen 1 ports ( 2 ports at mid-board) |
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- 6 x USB 2.0/1.1 ports ( 2 ports at back panel, 4 ports at mid-board) |
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Dependable Stability |
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ASUS 5X PROTECTION III
-ASUS SafeSlot Core: Fortified PCIe Slot prevents damage
-ASUS LANGuard: Protects against LAN surges, lightning strikes and staticelectricity discharges!
-ASUS Overvoltage Protection: World-class circuit-protecting power design
-ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability!
-ASUS DIGI+ VRM: 6 Phase digital power design
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Superb performance |
ASUS unique |
UEFI BIOS |
- Most advanced options with fast response time |
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features |
Easy PC DIY |
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Safe motherboard mounting |
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- Component-free areas to minimize damage risk |
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Q-Design |
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- ASUS Q-DIMM |
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- ASUS Q-Slot |
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UEFI BIOS EZ Mode |
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- featuring friendly graphics user interface |
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- ASUS CrashFree BIOS 3 |
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- ASUS EZ Flash 3 |
ASUS Quiet |
Quiet Thermal Design: |
Thermal |
- Stylish Fanless Design: Chipset Heat-sink solution |
Solution |
- ASUS Fan Xpert |
(continued on the next page)
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PRIME A320M-K specifications summary
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1 x PS/2 keyboard port (purple) |
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1 x PS/2 mouse port (green) |
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1 x HDMI port |
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Rear panel I/O |
1 x D-Sub port |
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ports |
1 x LAN (RJ-45) port |
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2 x USB 2.0/1.1 ports |
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4 x USB 3.1 Gen 1 ports |
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3 x Audio jacks support 8-channel audio output |
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1 x USB 3.1 Gen 1 connector supports additional 2 USB 3.1 Gen 1 ports |
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2 x USB 2.0/1.1 connectors support additional 4 USB 2.0/1.1 ports |
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1 x M.2 socket 3 for M Key and type 2242/2260/2280 devices |
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4 x SATA 6.0Gb/s connectors |
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1 x COM connector |
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1 x CPU Fan connector |
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Internal |
1 x Chassis Fan connector |
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connectors |
1 x Front panel audio connector |
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1 x 24-pin EATX power connector |
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1 x 4-pin ATX 12V power connector |
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1 x 2-pin Clear CMOS header |
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1 x S/PDIF out connector |
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1 x Speaker connector |
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1 x System panel connector |
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128 Mb Flash ROM, UEFI AMI BIOS, PnP, WfM2.0, SM BIOS 3.0, ACPI 6.1, |
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BIOS features |
Multi-language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, My |
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Favorites, Last Modified log, F12 PrintScreen, ASUS DRAM SPD (Serial |
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Presence Detect) memory information, F6 Qfan Control |
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Manageability |
WfM 2.0, DMI 3.0, WOL by PME, PXE |
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Drivers |
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Support DVD |
ASUS utilities |
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ASUS Update |
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Anti-virus software (OEM version) |
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OS support |
Windows® 10 (64-bit) |
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Form factor |
uATX form factor: 8.9” x 8.7” (22.6 cm x 22.1 cm) |
Specifications are subject to change without notice.
viii
Product introduction |
1 |
Motherboard overview |
• Unplug the power cord from the wall socket before touching any component.
•Before handling components, use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, to avoid damaging them due to static electricity.
•Before you install or remove any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply. Failure to do so may cause severe damage to the motherboard, peripherals, or components.
•Unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage to motherboard components.
1 2
KBMS
VGA |
ATX12V |
Place this side towards
the rear of the 
chassis HDMI
USB3_56
USB12 |
CHA_FAN |
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BATTERY
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LAN_USB3_34 |
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AUDIO |
LANGuard |
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16 |
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Realtek |
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8111H |
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Super |
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I/O |
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PCIEX1_1 |
15 |
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2280 |
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ALC |
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887 |
PCIEX1_2 |
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SPDIF_OUT |
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COM |
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AAFP |
3 |
2 |
4 |
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22.1cm(8.7in) |
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DIGI |
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+VRM |
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CPU_FAN |
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AM4 |
(64bit, 288-pin module) |
(64bit,288-pin module) |
EATXPWR |
22.6cm(8.9in) |
SOCKET |
DDR4DIMM A1 |
DDR4DIMM B1 |
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1 |
128Mb |
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BIOS |
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PCIEX16 |
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PRIME A320M-K |
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51 |
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1(SOCKET3) |
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A320 |
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2260 |
2242 |
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AMD® |
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M.2 |
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SPEAKER |
SATA6G_4 |
CLRTC USB34 |
USB56 USB3_12 |
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F_PANEL |
SATA6G_1 SATA6G_2 SATA6G_3 |
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Scan the QR code to get the detailed pin definitions.
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ASUS PRIME A320M-K |
1-1 |
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