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Can I identify my RAM without shutting down linux?
I'd like to know the type, size, and model. But I'd like to avoid having to shut down and open the machine.
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4 Answers
Check out this How do I detect the RAM memory chip specification from within a Linux machine question.
This tool might help:
http://www.cyberciti.biz/faq/check-ram-speed-linux/
$ sudo dmidecode --type 17 | more
Sample output:
# dmidecode 2.9 SMBIOS 2.4 present. Handle 0x0018, DMI type 17, 27 bytes Memory Device Array Handle: 0x0017 Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 2048 MB Form Factor: DIMM Set: None Locator: J6H1 Bank Locator: CHAN A DIMM 0 Type: DDR2 Type Detail: Synchronous Speed: 800 MHz (1.2 ns) Manufacturer: 0x2CFFFFFFFFFFFFFF Serial Number: 0x00000000 Asset Tag: Unknown Part Number: 0x5A494F4E203830302D3247422D413131382D Handle 0x001A, DMI type 17, 27 bytes Memory Device Array Handle: 0x0017 Error Information Handle: Not Provided Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: DIMM Set: None Locator: J6H2 Bank Locator: CHAN A DIMM 1 Type: DDR2 Type Detail: None Speed: Unknown Manufacturer: NO DIMM Serial Number: NO DIMM Asset Tag: NO DIMM Part Number: NO DIMM Alternatively, both newegg.com and crucial.com among other sites have memory upgrade advisors/scanners that I've used regularly under Windows. Some of them were web-based at some point, so you could try that, or if you could possibly boot into Windows (even if temporarily) it might help.
Not sure what the results would be under a Windows VM, and unfortunately I am currently running Linux in a VM under Windows 7, so can't reliably test for this myself.
I do realize that this doesn't give you necessarily exactly what you asked for .. but perhaps it will be of use none-the-less.
Just run
lshw -c memory The program should be in the lshw package.
Sometimes it's good to know that you have alternatives, so here it goes:
# dmidecode -t memory This command may be of help:
sudo dmidecode It describes your hardware in some detail, and those it provides on memory controller and memory is pretty comprehensive.
