[Solved]What's wrong with my RAM?

I just installed EOS on my brand new Lenovo Ideapad 5 Pro (8 GB DDR4 RAM, 512 GB SSD) and everything seems to work just fine. But when I checked my RAM using free command I got this:

[mardi@mardi-82l7 ~]$ free
               total        used        free      shared  buff/cache   available
Mem:         5940408     1467580     3429424       85456     1043404     4148508
Swap:              0           0           0

When I went to BIOS there it says the RAM is 8 GB. So which one is wrong? Do I really have only 5,9 GB RAM? The specs in computer seller’s page showed 8 GB…

Does your laptop have a GPU? Often in laptops, some of the RAM is set aside for the GPU.

You can see your installed RAM with:

sudo inxi -m
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This is the input:

[mardi@mardi-82l7 ~]$ sudo inxi -m
[sudo] mardi-käyttäjän salasana: 
Memory:    RAM: total: 5.67 GiB used: 2.14 GiB (37.8%)
           Array-1: capacity: 64 GiB note: check slots: 2 EC: None
           Device-1: DIMM 0 size: 4 GiB speed: 3200 MT/s
           Device-2: DIMM 0 size: 4 GiB speed: 3200 MT/s

So…yes. You have two 4 GiB sticks of memory for a total of 8.

I would bet that the “missing” 2GB is being reserved as video memory. Sometimes, that amount is configurable in the BIOS and other times not.

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Ah, thanks for explanation, Dalto.

You may be able to adjust RAM allocation in BIOS/Firmware.
But do it at your own risk, I’m not much of a hardware guy.

Should have read the whole thread…

Learned something new today, every day like that is great! Thanks! I have a question though. My MSI Motherboard says the max I can have is 128GB. However, this reports 512GB max? Who is right? MSI or this command?

Memory: RAM: total: 125.67 GiB used: 9.72 GiB (7.7%)
Array-1: capacity: 512 GiB slots: 8 EC: None
Device-1: DIMM 0 size: 16 GiB speed: spec: 2133 MT/s actual: 1067 MT/s
Device-2: DIMM 1 size: 16 GiB speed: spec: 2133 MT/s actual: 1067 MT/s
Device-3: DIMM 0 size: 16 GiB speed: spec: 2133 MT/s actual: 1067 MT/s
Device-4: DIMM 1 size: 16 GiB speed: spec: 2133 MT/s actual: 1067 MT/s
Device-5: DIMM 0 size: 16 GiB speed: spec: 2133 MT/s actual: 1067 MT/s
Device-6: DIMM 1 size: 16 GiB speed: spec: 2133 MT/s actual: 1067 MT/s
Device-7: DIMM 0 size: 16 GiB speed: spec: 2133 MT/s actual: 1067 MT/s
Device-8: DIMM 1 size: 16 GiB speed: spec: 2133 MT/s actual: 1067 MT/s

Probably MSI.

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