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Contents

Safety information ...................................................................................... iv
About this guide ......................................................................................... iv
Package contents ....................................................................................... vi

PRIME B450M-A specifications summary

 ................................................ vi

Chapter 1:  

Product introduction

Before you proceed .................................................................................. 1-1
Motherboard overview ............................................................................. 1-1
Central Processing Unit (CPU) ................................................................ 1-7
System memory ........................................................................................ 1-9

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-4

Summary of Contents for PRIME B450M-A

Page 1: ...Motherboard PRIME B450M A ...

Page 2: ...ective companies and are used only for identification or explanation and to the owners benefit without intent to infringe 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 i...

Page 3: ...ifications summary vi Chapter 1 Product introduction Before you proceed 1 1 Motherboard overview 1 1 Central Processing Unit CPU 1 7 System memory 1 9 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 4 ...

Page 4: ...afety 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...

Page 5: ...ks 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 ...

Page 6: ...en with Radeon Vega Graphics Ryzen 1st Generation Processors 4 x DIMMs max 64GB DDR4 3200 O C 3000 O C 2800 O C 2666 2400 2133 MHz un buffered memory Dual channel memory architecture ECC memory ECC mode support varies by CPU Refer to www asus com for the latest Memory QVL Qualified Vendors List Expansion slots AMD Ryzen 2nd Generation Ryzen 1st Generation Processors 1 x PCI Express 3 0 2 0 x16 slo...

Page 7: ...ive audio signals Premium Japanese audio capacitors Provide warm natural and immersive sound with exceptional clarity and fidelity 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 USB AMD Ryzen 2nd Generation Ryzen with Radeon Vega Graphics Ryzen 1st Generation Processors 4 x USB 3 1 Gen 1 up to 5Gbps ...

Page 8: ...x COM connector 1 x TPM connector 1 x CPU Fan connector 1 x Aura RGB Strip header 2 x Chassis Fan connectors Support DC PWM mode 1 x Front panel audio connector 1 x 24 pin EATX power connector 1 x 8 pin EATX 12V power connector 1 x 2 pin Clear CMOS header 1 x S PDIF out connector 1 x Speaker connector 1 x System panel connector BIOS features 128 Mb Flash ROM UEFI AMI BIOS PnP SM BIOS 3 1 ACPI 6 1 ...

Page 9: ...to do so may cause severe damage to the motherboard peripherals or components PCIEX16 PCIEX1_1 PCIEX1_2 SPEAKER CLRTC F_PANEL SPDIF_OUT USB56 USB34 U31G1_12 AAFP COM EATX12V EATXPWR CPU_FAN CHA_FAN2 CHA_FAN1 BATTERY Super I O ALC 887 DIGI VRM 24 4cm 9 6in AMD B450 DDR4 DIMM_A1 64bit 288 pin module SOCKET AM4 2280 22110 2260 2242 M 2_1 SOCKET3 DDR4 DIMM_A2 64bit 288 pin module DDR4 DIMM_B1 64bit 28...

Page 10: ...lculator at http support asus com cn PowerSupply aspx SLanguage en for details CPU and chassis fan connectors 4 pin CPU_FAN 4 pin CHA_FAN1 2 Connect the fan cables to the fan connectors on the motherboard ensuring that the black wire of each cable matches the ground pin of the connector Do not forget to connect the fan cables to the fan connectors Insufficient air flow inside the system may damage...

Page 11: ... R B Aura RGB Strip header 4 pin RGB_HEADER This header is for RGB LED strips DDR4 DIMM slots Install 2 GB 4 GB 8 GB and 16 GB unbuffered DDR4 DIMMs into these DIMM sockets For more details refer to System memory AMD Serial ATA 6 0Gb s connectors 7 pin SATA6G_1 6 These connectors connect to Serial ATA 6 0 Gb s hard disk drives via Serial ATA 6 0 Gb s signal cables Clear RTC RAM 2 pin CLRTC This he...

Page 12: ...peed TPM connector 14 1 pin TPM This connector supports a Trusted Platform Module TPM system which can securely store keys digital certificates passwords and data A TPM system also helps enhance network security protects digital identities and ensures platform integrity TPM PIN 1 3VSB S_PCIRST _TBD GND C_PCICLK_TPM 3V 3V TPM_PD F_SERIRQ F_FRAME F_LAD3 F_LAD2 F_LAD1 F_LAD0 Serial port connector 10 ...

Page 13: ... SPDIF_OUT 5V SPDIFOUT GND Rear panel connectors 1 PS 2 Mouse port green This port connects to a PS 2 mouse 2 Video Graphics Adapter VGA port This 15 pin port is for a VGA monitor or other VGA compatible devices 3 USB 3 1 Gen 1 up to 5Gbps ports These 9 pin Universal Serial Bus USB ports connect to USB 3 1 Gen 1 devices 4 USB 3 1 Gen 2 up to 10Gbps ports teal blue Type A These 9 pin Universal Seri...

Page 14: ...ecomes Front Speaker Out 9 HDMI port This port is for a High Definition Multimedia Interface HDMI connector and is HDCP compliant allowing playback of HD DVD Blu Ray and other protected content 10 DVI D port This port is for any DVI D compatible device DVI D can not be converted to output from RGB Signal to CRT and is not compatible with DVI I 11 PS 2 Keyboard port purple This port connects to a P...

Page 15: ...es before installing the CPU The AM4 socket has a different pinout from the FM2 FM2 socket Ensure that you use a CPU designed for the AM4 socket The CPU fits in only one correct orientation DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU Installing the CPU Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan ...

Page 16: ...1 8 Chapter 1 Product introduction Installing the CPU heatsink and fan assembly Type 2 Type 1 1 1 3 2 2 4 Remove the screws and the retention module only Do not remove the plate on the bottom ...

Page 17: ...tion Any excess memory from the higher sized channel is then mapped for single channel operation Always install DIMMs with the same CAS latency For optimal compatibility we recommend that you install memory modules of the same version or date code D C from the same vendor Check with the retailer to get the correct memory modules For system stability use a more efficient memory cooling system to su...

Page 18: ...1 10 Chapter 1 Product introduction Installing a DIMM 1 2 To remove a DIMM B A B A A ...

Page 19: ...ptions Using the power button reset button or the Ctrl Alt Del keys to force reset from a running operating system can cause damage to your data or system We recommend you always shut down the system properly from the operating system The BIOS setup screens shown in this section are for reference purposes only and may not exactly match what you see on your screen Visit the ASUS website at www asus...

Page 20: ...n the devices you installed to the system 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 priori...

Page 21: ... to the following sections for the detailed configurations To access the EZ Mode click EzMode F7 or press F7 Pop up window Configuration fields Menu bar General help Sub menu item Menu items Scroll bar Last modified settings Language Hot Keys Q Fan control Aura On Off Goes back to EZ Mode Displays hardware monitoring data MyFavorite Searches FAQ Search ASUS PRIME B450M A 2 3 ...

Page 22: ...Exit This option allows you to exit the Setup program without saving your changes When you select this option or if you press Esc a confirmation window appears Select OK to discard changes and exit Launch EFI Shell from USB drives This option allows you to attempt to launch the EFI Shell application shellx64 efi from one of the available USB devices Exit menu The Exit menu items allow you to load ...

Page 23: ... and receiver Connect the equipment to 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 The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations Changes or modifications to this unit not expressly approved by the party responsible...

Page 24: ...ed 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 protectin...

Page 25: ...B 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 requ...

Page 26: ...merica 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 a...

Page 27: ...510 608 4555 hereby declares that the product Product Name Motherboard Model Number PRIME B450M A compliance statement 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 Ver 180125 ...

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