机器CPU 是AMD Ryzen 5800，内存是玖合16Gx4 DDR4 3200的。
以前出厂时默认装的windows，内存频率直接跑在3200。今天看了一下dmidecode，才发现在linux下内存频率只有2400，请问如何让linux识别到内存频率，并自动跑到3200？

Handle 0x0025, DMI type 17, 92 bytes
Memory Device
        Array Handle: 0x0014
        Error Information Handle: 0x0024
        Total Width: 64 bits
        Data Width: 64 bits
        Size: 16 GB
        Form Factor: DIMM
        Set: None
        Locator: DIMM 1
        Bank Locator: P0 CHANNEL B
        Type: DDR4
        Type Detail: Synchronous Unbuffered (Unregistered)
        Speed: 2667 MT/s
        Manufacturer: Unknown
        Serial Number: FF0AB5B2
        Asset Tag: Not Specified
        Part Number: JHD3200U1916JG
        Rank: 2
        Configured Memory Speed: 2400 MT/s
        Minimum Voltage: 1.2 V
        Maximum Voltage: 1.2 V
        Configured Voltage: 1.2 V
        Memory Technology: DRAM
        Memory Operating Mode Capability: Volatile memory
        Firmware Version: Unknown
        Module Manufacturer ID: Bank 9, Hex 0x75
        Module Product ID: Unknown
        Memory Subsystem Controller Manufacturer ID: Unknown
        Memory Subsystem Controller Product ID: Unknown
        Non-Volatile Size: None
        Volatile Size: 16 GB
        Cache Size: None
        Logical Size: None
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FROM 183.8.77.*