| BIOS update download | |||||
| BIOS version | date | info | name | add.1 | add.2 |
| B2.4G | 10/21/2025 | 1. update CRB CODE to 1.2.0.F 2 update TPM firmware to 3.92.2.5 3. update UEFI version to 2.075 |
MSTZZA520MK24.ZIP | DOWN | DOWN |
| B2.3G | 08/14/2025 | 1. open memory XMP3600MHZ | MSTZZA520MK23.ZIP | DOWN | DOWN |
| B2.2G | 07/09/2025 | 1. optimize memory compatibility 2. add IOMMU and DMA Protection options 3. modify the default value of SYS_FAN to System 4. turn off write protection by default 5. upgrade UEFI PXE version to 2.073 |
MSTZZA520MK22.ZIP | DOWN | DOWN |
| B2.0G | 04/08/2025 | 1. update CRB CODE to 1.2.0.E 2 modify the default value of SystemFan 3. upgrade the network card UEFI PXE to 2.071 |
MSTZZA520MK20.ZIP | DOWN | DOWN |
| Drivers download | ||||
| Type | Description | add.1 | add.2 | |
| chipset | for Win10-64 AMD_Chipset_AM4_5.01.29.2026 | DOWN | DOWN | |
| Graphics | for Win10-64 AMD_Graphics_22.40.02 | DOWN | DOWN | |
| Audio | for Win10/11-64 Realtek_ALC897_6.0.9239.1 | DOWN | DOWN | |
| Win10 LAN | for Win10-64 Realtek_LAN_W10_10.62.824.2022 | DOWN | DOWN | |
| Win11 LAN | for Win7-32/64 Realtek_LAN_W7_7.126.0510.2019 | DOWN | DOWN | |
| Realtek_Bluetooth | for Win10/11-64 RTL8852BE | DOWN | DOWN | |
| Realtek_WIFI | for Win10/11-64 RTL8852BE | DOWN | DOWN | |
| AMD RAID | for Win10-64 AM4_RAID_W10_W11_9.3.0.296 | DOWN | DOWN | |
| Manual | ||||
| VER | Description | add.1 | add.2 | |
| V0 | MS-CHallenger A520M-K WIFI6 motherboard manual | DOWN | DOWN | |
| V1.0 | DDR4 Memory support list（Update at any time） | DOWN | DOWN | |
| V1.0 | AMD A520 Motherboard CPU support list（Update at any time） | DOWN | DOWN | |
