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使用dmidecode可以查看系统各硬件的详细信息CPU，各级缓存，内存，板载插口等信息

如我使用dmidecode | grep -A16 “Memory Device$”查看内存信息

Memory Device
Array Handle: 0×1000
Error Information Handle: Not Provided
Total Width: 72 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: 6
Locator: DIMM_B9
Bank Locator: Not Specified
Type: <OUT OF SPEC>
Type Detail: Synchronous
Speed: 1066 MHz (0.9 ns)
Manufacturer: 02FE04B302FE
Serial Number: 2B0423A5
Asset Tag: 4A090703
Part Number: EBJ21RE8BAFA-AE-E

其中Part Number是厂商的产品代号