Installing Laptop RAM into Desktop!?
Linus Tech Tips
·Linus Tech Tips
·2018-05-06
·
1,488 words · ~7 min read
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today's video was inspired by a post on the forum by ashley ashes who asked the
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rest of our community if you could use laptop memory in a desktop system it
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turns out you can get adapters unlike ebay
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but is that really gonna work only one way to find out
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one way to find out one way to find out
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as well so check it out now at the link below all right so let's start i guess
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by taking a closer look at these things they're made by i believe the company is
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actually called jet and this is their part number you can actually get them in
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a wide variety of different configurations these ones we found on
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ebay and are designed for ddr4 sodiums
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to a ddr4 full-sized dim now
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you might think to yourself well what's to not work about this i can put
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a micro sd card into a and full size sd
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adapter no one's bewildered and baffled by this
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but the reason this is such a big deal is come in and have a closer look
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sodiums are a 200 contact point standard
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full-size dimms actually have
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288 so on here we've got a couple of
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different things we've got whatever the hell a virtual fuse is apparently it's
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patented we've got a jumper i mean there's no manual obviously so i'm going
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to assume the defaults are fine
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all right so let's shut down and
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while i wait for Windows update apparently uh let's talk about the challenge and
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show you guys how to install it i already put together one of them but you
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want to kind of go in at an angle like that push it down make sure everything's
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in there fully then you put a little bit of tension on
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it just like that now
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i am actually asking more from the adapter i want to see a couple of things
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i want to see if we can get these sticks to run in
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quad channel with the existing
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3200 megahertz ddr4 that's on this platform
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and i want to see if i can get the whole
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thing to still run at 3 200 megahertz because it's one thing if you can
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get memory you know working and recognized it's another if this adapter
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is not interfering with its performance that looks
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ridiculous you know we've had conversations internally about how hard
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it is to build an ugly computer these days now that every motherboard has a
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black pcb and all that kind of stuff but
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bye jove i think we've done it okay
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let's see what happens did we fail already postcode 55. uh well
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then code 55 means no RAM installed
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which is fairly discouraging because there
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definitely is RAM installed even aside
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from these uh so dim to dim adapters so
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i'm gonna try reseeding them from the old wiggle wiggle
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and then firing it up again
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balls did you test this before we started filming the video
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no okay i'm going to try the memo k button
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i've never used it successfully shut up brandon
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okay let's try clear seamos then
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come on baby we're gonna try next is pulling out the
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mismatched memory i mean admittedly that was a bit of a long shot in the first
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place okay here we go that's very interesting
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16 gigs of memory let's get it booted up so for fire up
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task manager we've got all 16 gigs of
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our memory it knows that they're so dim
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so i don't know if it's reading that off the spd chip
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or if i mean it must be it must be because how would Windows have any way
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of knowing okay so we're just finishing up the ida
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64 cache and memory benchmark and there's a couple more interesting things
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here we are in fact running in dual
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channel mode so that's good but only at stock speeds not the higher
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xmp speeds of our modules and also interesting is that our read and write
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numbers look about like you'd expect from ddr4 2133 in dual channel mode this
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is weird so our memory is showing up as
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ddr4 2400 megahertz
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but i don't know where it's reading that from because
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these adapters shouldn't have any logic on them whatsoever
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but but there you have it it's set but when we were in the operating system
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just now i didn't change anything we were at 21.33
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so here's what we're going to do we're not going to try and run at 3800 that's
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not realistic but let's try
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sort of high speed like 3000 megahertz and see if we can get
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there it's boot looping right now you can tell
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because we keep going through the same sequence of postcodes here
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okay let's try something a little less aggressive 26 66 megahertz wouldn't be
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like a performance memory kit or anything when this was current but
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like it would be decent middle of the road hey
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there we go all right so this is moment of truth time what we want to see is if
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going from 2133 to 2666
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gives us an improvement yes it does
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okay not bad
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so you won't be running at the bleeding edge but
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you should expect it to work bringing us to
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what is often the most challenging part
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of these kinds of videos where you know it's like yeah you could adapt your
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trailer hitch to a office chair
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you can but should you
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so this thing then no one should go out of their way to use
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one of these if you've got a desktop you should buy desktop memory and install
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desktop memory in it and if you've got a laptop then well there's no adapter the
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other way around because a full-size dim physically wouldn't wouldn't fit in
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there but i can see situations where they
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could come in handy like let's say for example that you've got an older laptop
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that you're looking to upgrade well a lot of them might come with you know two
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eight gig sticks in them and then you might go okay well i don't
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want 16 gigs i want 32 in order to upgrade it you've got to go
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buy two new 16 gig sticks and then you've got to take out your old
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ones so if you were looking to give those parts a new lease on life
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two jets credit i actually don't even know who makes these things to their credit
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these are inexpensive and from our testing while not high performance
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functional so not recommended to need them
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but recommended if you need them to go ahead and pick them up
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also down there and where we got the inspiration from this video we do
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