一、操作说明

关于在centos的linux操作系统查看现有的内存条信息，可以购置相同型号频率配置内存条用于扩展，具体查看命令（“dmidecode | grep -A16 "Memory Device" ”）如下

[root@raid2t ~]# dmidecode | grep -A16 "Memory Device"  @b@Memory Device@b@        Array Handle: 0x0042@b@        Error Information Handle: Not Provided@b@        Total Width: Unknown@b@        Data Width: Unknown@b@        Size: No Module Installed@b@        Form Factor: Unknown@b@        Set: None@b@        Locator: ChannelA-DIMM0@b@        Bank Locator: BANK 0@b@        Type: Unknown@b@        Type Detail: None@b@        Speed: Unknown@b@        Manufacturer: Not Specified@b@        Serial Number: Not Specified@b@        Asset Tag: Not Specified@b@        Part Number: Not Specified@b@--@b@Memory Device@b@        Array Handle: 0x0042@b@        Error Information Handle: Not Provided@b@        Total Width: Unknown@b@        Data Width: Unknown@b@        Size: No Module Installed@b@        Form Factor: Unknown@b@        Set: None@b@        Locator: ChannelA-DIMM1@b@        Bank Locator: BANK 1@b@        Type: Unknown@b@        Type Detail: None@b@        Speed: Unknown@b@        Manufacturer: Not Specified@b@        Serial Number: Not Specified@b@        Asset Tag: Not Specified@b@        Part Number: Not Specified@b@--@b@Memory Device@b@        Array Handle: 0x0042@b@        Error Information Handle: Not Provided@b@        Total Width: 64 bits@b@        Data Width: 64 bits@b@        Size: 8192 MB@b@        Form Factor: DIMM@b@        Set: None@b@        Locator: ChannelB-DIMM0@b@        Bank Locator: BANK 2@b@        Type: DDR4@b@        Type Detail: Synchronous@b@        Speed: 2133 MHz@b@        Manufacturer: Kingston@b@        Serial Number: 23552122@b@        Asset Tag: 9876543210@b@        Part Number: KHX2400C15D4/8G     @b@--@b@Memory Device@b@        Array Handle: 0x0042@b@        Error Information Handle: Not Provided@b@        Total Width: Unknown@b@        Data Width: Unknown@b@        Size: No Module Installed@b@        Form Factor: Unknown@b@        Set: None@b@        Locator: ChannelB-DIMM1@b@        Bank Locator: BANK 3@b@        Type: Unknown@b@        Type Detail: None@b@        Speed: Unknown@b@        Manufacturer: Not Specified@b@        Serial Number: Not Specified@b@        Asset Tag: Not Specified@b@        Part Number: Not Specified@b@--@b@Memory Device Mapped Address@b@        Starting Address: 0x00000000000@b@        Ending Address: 0x001FFFFFFFF@b@        Range Size: 8 GB@b@        Physical Device Handle: 0x0045@b@        Memory Array Mapped Address Handle: 0x0047@b@        Partition Row Position: Unknown@b@@b@Handle 0x004A, DMI type 130, 20 bytes@b@OEM-specific Type@b@        Header and Data:@b@                82 14 4A 00 24 41 4D 54 00 00 00 00 00 A5 AF 02@b@                C0 00 00 00@b@@b@Handle 0x004B, DMI type 131, 64 bytes@b@OEM-specific Type@b@        Header and Data:

如上面查看命令Range Size: 8 GB  - 内存大小；Speed: 2133 MHz - 内存频率；Manufacturer: Kingston - 制造厂商：金士顿；