ASUS PRIME B450M-K II User Manual

ASUS PRIME B450M-K II Motherboard manual cover
Pages 32
Year 2020
Language(s)
English en

ASUS PRIME B450M-K II Motherboard Specification

The ASUS PRIME B450M-K II is a micro-ATX motherboard designed to harness the power of AMD Ryzen processors, offering a robust platform for both everyday computing and advanced tasks. It supports AMD AM4 socket processors, making it compatible with Ryzen 2000, 3000, 4000 G-Series, and 5000 Series CPUs. The motherboard features dual-channel DDR4 memory architecture with two DIMM slots, supporting up to 64GB of RAM with overclocking capabilities.

Storage options include one M.2 slot and four SATA 6Gb/s ports, providing versatile solutions for fast storage devices. The motherboard integrates Realtek ALC887 audio codec for 8-channel high-definition audio, enhancing multimedia experiences. Networking capabilities are supported by Realtek RTL8111H Gigabit Ethernet, ensuring reliable wired internet connectivity.

Expansion options are facilitated by one PCIe 3.0/2.0 x16 slot and two PCIe 2.0 x1 slots, accommodating various add-on cards. For connectivity, the board offers a range of ports including USB 3.1 Gen 1 and USB 2.0, HDMI, DVI-D, and a set of audio jacks. The ASUS PRIME B450M-K II also emphasizes durability and stability with features like 5X Protection III, which includes LANGuard, Overvoltage Protection, and Digi+ VRM for enhanced power delivery.

The motherboard supports ASUS-exclusive features such as Fan Xpert for advanced fan control, ensuring optimal cooling performance. Additionally, it provides a user-friendly UEFI BIOS interface for easy system configuration and customization. Overall, the ASUS PRIME B450M-K II motherboard delivers a balanced blend of performance, reliability, and expandability, suitable for a wide range of computing needs.

ASUS PRIME B450M-K II Motherboard F.A.Q.

How do I update the BIOS on the ASUS PRIME B450M-K II motherboard?

To update the BIOS on the ASUS PRIME B450M-K II, download the latest BIOS file from the ASUS support website, save it to a USB drive, and enter the BIOS setup by pressing the 'Del' key during boot. Navigate to the 'Tool' menu and select 'ASUS EZ Flash 3 Utility' to update the BIOS.

What should I do if the system doesn't boot after installing new RAM?

First, ensure that the RAM is compatible with the motherboard. Then, reseat the RAM modules to ensure they are properly installed. If the issue persists, try booting with one RAM module at a time to identify if a specific module is faulty.

How can I reset the BIOS settings to default?

To reset the BIOS settings to default on the ASUS PRIME B450M-K II, enter the BIOS setup by pressing 'Del' during boot, go to the 'Exit' tab, and select 'Load Optimized Defaults'. Alternatively, you can clear the CMOS by using the jumper on the motherboard.

What is the maximum RAM capacity supported by the ASUS PRIME B450M-K II?

The ASUS PRIME B450M-K II motherboard supports a maximum of 64GB of DDR4 RAM across two DIMM slots.

How do I connect front panel connectors to the motherboard?

Refer to the motherboard manual for the front panel header pin configuration. Align the front panel connectors according to the labels, such as PWR_SW for power switch, HDD_LED for hard drive activity, etc., and connect them to the corresponding pins on the motherboard.

Why is the CPU fan not detected by the motherboard?

Ensure the CPU fan is connected to the correct CPU_FAN header on the motherboard. Check if the fan is functional by testing it on another system. If the fan works but is still not detected, there may be an issue with the motherboard header.

Can I use an NVMe SSD with the ASUS PRIME B450M-K II?

Yes, the ASUS PRIME B450M-K II motherboard supports NVMe SSDs via the M.2 slot. Ensure your NVMe SSD is compatible with the M.2 slot specifications on the motherboard.

How do I enable XMP for my RAM on this motherboard?

To enable XMP, enter the BIOS by pressing 'Del' during boot, navigate to the 'Ai Tweaker' tab, and set the 'AI Overclock Tuner' to 'XMP'. Save and exit the BIOS to apply the changes.

What graphics card compatibility does the ASUS PRIME B450M-K II offer?

The ASUS PRIME B450M-K II motherboard has a PCIe 3.0 x16 slot, which is compatible with a wide range of modern graphics cards. Ensure your chosen GPU fits within your case and that your power supply meets the GPU’s power requirements.

How can I troubleshoot if my USB ports are not working?

First, check the BIOS to ensure USB ports are enabled. Then, update the motherboard chipset drivers from the ASUS support website. If the issue persists, test the USB ports with different devices to rule out a faulty device or port.