1.查看内存的插槽数及使用情况
[root@10.10.90.20 ~]# dmidecode|grep -P -A5 "Memory Device" |grep Size
Size: 4096 MB
Size: No Module Installed
Size: No Module Installed
Size: No Module Installed
Size: 4096 MB
Size: No Module Installed
Size: No Module Installed
Size: No Module Installed
2.查看内存支持的最大内存容量
[root@10.10.90.20 ~]# dmidecode|grep -P 'Maximum Capacity'
Maximum Capacity: 128 GB
3.查看内存的频率
[root@10.10.90.20 ~]# dmidecode|grep -A16 "Memory Device"|grep 'Speed'
Speed: 1333 MHz
Speed: Unknown
Speed: Unknown
Speed: Unknown
Speed: 1333 MHz
Speed: Unknown
Speed: Unknown
Speed: Unknown