Find RAM details (size, make, speed, slots, etc.) in Linux/Unix 2/2

Categories:  linux,
Labels:  terminal, OS, ram
$ vmstat -s

Output:

      8027952 K total memory
      4114688 K used memory
      1960100 K active memory
      1849792 K inactive memory
      3913264 K free memory
       132240 K buffer memory
      1667108 K swap cache
     15624188 K total swap
       573224 K used swap
     15050964 K free swap
       931285 non-nice user cpu ticks
         6391 nice user cpu ticks
       152567 system cpu ticks
      7019826 idle cpu ticks
       181109 IO-wait cpu ticks
           19 IRQ cpu ticks
         2262 softirq cpu ticks
            0 stolen cpu ticks
      8720641 pages paged in
      8812796 pages paged out
       148645 pages swapped in
       242381 pages swapped out
     27774146 interrupts
     71720320 CPU context switches
   1369757470 boot time
       463603 forks 

Example 2: Find RAM information like Type of RAM(SD RAM or DDR2/3), Speed, Manufacture etc.

# dmidecode -type memory

Or

# dmidecode -t 17

Output:

# dmidecode 2.11
SMBIOS 2.7 present. 
Handle 0x000E, DMI type 16, 23 bytes
Physical Memory Array
    Location: System Board Or Motherboard
    Use: System Memory
    Error Correction Type: None
    Maximum Capacity: 16 GB
    Error Information Handle: No Error
    Number Of Devices: 2
Handle 0x000F, DMI type 17, 34 bytes
Memory Device
    Array Handle: 0x000E
    Error Information Handle: 0x0010
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 4096 MB
    Form Factor: SODIMM
    Set: None
    Locator: DIMM0
    Bank Locator: BANK 0
    Type: DDR3
    Type Detail: Synchronous
    Speed: 1333 MHz
    Manufacturer: Kingston
    Serial Number: 4B29A74B
    Asset Tag: 0123456789
    Part Number: 99U5428-046.A00LF 
    Rank: Unknown
    Configured Clock Speed: 1333 MHz 
Handle 0x0012, DMI type 17, 34 bytes
Memory Device
    Array Handle: 0x000E
    Error Information Handle: 0x0013
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 4096 MB
    Form Factor: SODIMM
    Set: None
    Locator: DIMM1
    Bank Locator: BANK 2
    Type: DDR3
    Type Detail: Synchronous
    Speed: 1333 MHz
    Manufacturer: Kingston
    Serial Number: 4729BF4B
    Asset Tag: 0123456789
    Part Number: 99U5428-046.A00LF 
    Rank: Unknown
    Configured Clock Speed: 1333 MHz 

Example 3: Get RAM information like location, Maximum capacity of RAM supported, number of RAM devices present and slot info.

# dmidecode -t 16

Output:

# dmidecode 2.11
SMBIOS 2.7 present. 
Handle 0x000E, DMI type 16, 23 bytes
Physical Memory Array
    Location: System Board Or Motherboard
    Use: System Memory
    Error Correction Type: None
    Maximum Capacity: 16 GB
    Error Information Handle: No Error
    Number Of Devices: 2

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