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Table of Contents
Related Manuals for Asus PRIME B450M-A
Summary of Contents for Asus PRIME B450M-A
- Page 1 PRIME B450M-A...
- Page 2 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.
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Page 3: Table Of Contents
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... -
Page 4: Safety Information
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. - Page 5 Refer to the following sources for additional information and for product and software updates. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information. Optional documentation Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer.
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Page 6: Package Contents
2133 MHz, un-buffered memory 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). AMD Ryzen™ 2 Generation/ Ryzen™ 1 Generation Processors - 1 x PCI Express 3.0/2.0 x16 slot (max. @x16 mode) AMD Ryzen™... - Page 7 - ASUS SafeSlot Core: Fortified PCIe Slot prevents damage - 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: 6 Phase digital power design Superb performance...
- Page 8 1 x System panel connector 128 Mb Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.1, ACPI 6.1, Multi- language BIOS, ASUS EZ Flash 3, ASUS CrashFree BIOS 3, F3 My Favorites, BIOS features Last Modified log, F12 PrintScreen, ASUS User Profile, ASUS DRAM SPD...
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Page 9: Before You Proceed
U31G2_12 chassis LAN_U31G1_34 CHA_FAN1 128Mb BIOS AUDIO 22110 2280 2260 2242 Realtek ® 8111H PCIEX16 Super ® B450 PCIEX1_1 PCIEX1_2 CLRTC SPEAKER U31G1_12 SATA6G_1 SATA6G_2 SATA6G_5 SATA6G_4 USB34 USB56 AAFP F_PANEL Scan the QR code to get the detailed pin definitions. ASUS PRIME B450M-A... - Page 10 • If you are uncertain about the minimum power supply requirement for your system, refer to the Recommended Power Supply Wattage Calculator 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 the motherboard components.
- Page 11 Clear RTC RAM (2-pin CLRTC) CLRTC This header allows you to clear the CMOS RTC RAM data of the system setup information such as date, time, and system passwords. To erase the RTC RAM: PIN 1 Turn OFF the computer and unplug the power cord. Use a metal object such as a screwdriver to short the two pins. Plug the power cord and turn ON the computer. Hold down the <Del> key during the boot process and enter BIOS setup to re‑enter data. If the steps above do not help, remove the onboard battery and short the two pins again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery. ASUS PRIME B450M-A 1‑3...
- Page 12 System panel connector (10-1 pin F_PANEL) This connector supports several chassis‑mounted functions. Speaker connector (4-pin SPEAKER) This 4‑pin connector is for the chassis‑mounted system warning speaker. The speaker allows you to hear system beeps and warnings. USB 3.1 Gen 1 (up to 5Gbps) connector (20-1 pin U31G1_12) Connect a USB 3.1 Gen 1 module to this connector for additional USB 3.1 Gen 1 front or rear panel ports. This connector complies with USB 3.1 Gen 1 specifications and provide faster data transfer speeds of up to 5 Gbps, faster charging time for USB‑chargeable devices, optimized power efficiency, and backward compatibility with USB 2.0. USB 2.0 connectors (10-1 pin USB34, USB56) These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connector, then install the module to a slot opening at the back of the system chassis. These USB connectors comply with USB 2.0 specifications and supports...
- Page 13 Video Graphics Adapter (VGA) port. This 15‑pin port is for a VGA monitor or other VGA‑compatible devices. 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. USB 3.1 Gen 2 (up to 10Gbps) ports (teal blue, Type A). These 9‑pin Universal Serial Bus 3.1 (USB 3.1) ports are for USB 3.1 Gen 2 devices. • USB 3.1 Gen 2 / Gen 1 devices can only be used for data storage. • Due to the design of the AMD AM4 series chipset, all USB devices connected to the USB 2.0 and USB 3.1 Gen 2 / Gen 1 ports are controlled by the xHCI controller. • We strongly recommend that you connect USB 3.1 Gen 2 devices to USB 3.1 Gen 2 ports for faster and better performance from your USB 3.1 Gen 2 devices. ASUS PRIME B450M-A 1‑5...
- Page 14 LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN) through a network hub. Refer to the table below for the LAN port LED indications. LAN port LED indications Speed Activity Link Activity/Link LED Speed LED Status Description Status Description No link 10Mbps connection Orange Linked ORANGE 100Mbps connection Orange (Blinking) Data activity GREEN 1Gbps connection Orange (Blinking Ready to wake LAN port then steady) up from S5 mode Line In port (light blue). This port connects to the tape, CD, DVD player, or other audio sources.
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Page 15: Central Processing Unit (Cpu)
Central Processing Unit (CPU) The motherboard comes with an AMD AM4 socket designed for AMD Ryzen™ 2 Generation/ Ryzen™ with Radeon™ Vega Graphics/ Ryzen™ 1 Generation processors. Unplug all power cables 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 if necessary. ASUS PRIME B450M-A... - Page 16 Installing the CPU heatsink and fan assembly Type 1 Type 2 Remove the screws and the retention module only. Do not remove the plate on the bottom. Chapter 1: Product introduction...
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Page 17: System Memory
Overview This motherboard comes with four Double Data Rate 4 (DDR4) Dual Inline Memory Module (DIMM) sockets. The figure illustrates the location of the DDR4 DIMM sockets: Sockets Channel DIMM_A1 DIMM_A2* Channel A DIMM_A1 & DIMM_A2* DIMM_B1 Channel B DIMM_B1 & DIMM_B2* DIMM_B2* • You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower‑sized channel for the dual‑channel configuration. 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 support a full memory load (4 DIMMs). • Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List) Recommended memory configurations DIMM_A1 DIMM_A2* DIMM_A2* DIMM_A2* DIMM_B1 DIMM_B2* DIMM_B2* ASUS PRIME B450M-A... - Page 18 Installing a DIMM To remove a DIMM 1‑10 Chapter 1: Product introduction...
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Page 19: Chapter 2: Bios Information
Entering BIOS Setup after POST To enter BIOS Setup after POST: Press <Ctrl>+<Alt>+<Del> simultaneously. Press the reset button on the system chassis. Press the power button to turn the system off then back on. Do this option only if you failed to enter BIOS Setup using the first two options. 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.com to download the latest BIOS file for this motherboard. • If the system becomes unstable after changing any BIOS setting, load the default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit menu or press hotkey F5. • If the system fails to boot after changing any BIOS setting, try to clear the CMOS and reset the motherboard to the default value. See section Motherboard overview for information on how to erase the RTC RAM. BIOS menu screen The BIOS setup program can be used under two modes: EZ Mode and Advanced Mode. Press <F7> to change between the two modes. ASUS PRIME B450M-A... -
Page 20: Ez Mode
EZ Mode By default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you an overview of the basic system information, and allows you to select the display language, system performance mode, fan profile and boot device priority. To access the Advanced Mode, click Advanced Mode(F7) or press <F7>. The default screen for entering the BIOS setup program can be changed. Refer to the Setup Mode item under the Boot menu for details. Displays the system properties of Displays the CPU/motherboard temperature, the selected mode. Click <Enter> to CPU voltage output, CPU/chassis fan speed, switch EZ System Tuning modes and SATA information Searches by BIOS item name, Turns the RGB LED Selects the display language... -
Page 21: Advanced Mode
Q-Fan control Aura On/Off Menu bar MyFavorite Search Scroll bar Language Last modified General help Hot Keys settings Sub-menu item Searches FAQ Configuration Goes back to EZ fields Mode Menu items Pop-up window Displays hardware monitoring data ASUS PRIME B450M-A... -
Page 22: Exit Menu
Search on FAQ Move your mouse over this button to show a QR code. Scan this QR code with your mobile device to connect to the ASUS BIOS FAQ web page. You can also scan the QR code below. Exit menu The Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes to the BIOS items. Load Optimized Defaults This option allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you press <F5>, a confirmation window appears. Select OK to load the default values. Save Changes & Reset Once you are finished making your selections, choose this option from the Exit menu to ensure the values you selected are saved. When you select this option or if you press <F10>, a confirmation window appears. Select OK to save changes and exit. Discard Changes & 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. Chapter 2: Getting started... -
Page 23: Appendix
: (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) ASUS PRIME B450M-A... - Page 24 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.
- Page 25 Slovensky Spoločnosť ASUSTeK Computer Inc. týmto vyhlasuje, že toto Cijeli tekst EU izjave o sukladnosti dostupan je na: www.asus.com/support zariadenie vyhovuje základným požiadavkám a ostatým príslušným ustanoveniam príslušných smerníc. Celý text vyhlásenia o zhode pre štáty EÚ...
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Page 26: Asus Contact Information
+1-510-739-3777 +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 +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... - Page 27 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 ASUS PRIME B450M-A...