Installing a CPU...

tuffgong

Senior member
Jan 20, 2005
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I'm getting my new CPU next week and will install it. I was wondering out of curiousity, do you guys put the mobo in the case first, then add the cpu, or do you put the cpu/fan onto the mobo then into the case?

I myself put the motherboard in first in case the HSF blocks any drive bays.
 

sniperruff

Lifer
Apr 17, 2002
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i assemble the mofo first (set jumpers, put in CPU, put on HSF, put in ram), then put it into the case.
 

n7

Elite Member
Jan 4, 2004
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I find it easier to install mobo, then add CPU & HSF.

If you are using a larger HSF, you should put your HDDs in before the HSF, since a large HSF can sometimes obstruct putting in the HDDs (happens to be the case for me :()
 

OdiN

Banned
Mar 1, 2000
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Originally posted by: tuffgong
I'm getting my new CPU next week and will install it. I was wondering out of curiousity, do you guys put the mobo in the case first, then add the cpu, or do you put the cpu/fan onto the mobo then into the case?

I myself put the motherboard in first in case the HSF blocks any drive bays.

Depends on the system.

With all of the traditional socket based ones (e.g. non-Socket T) I put the CPU and RAM in the mobo and then install the mobo into the case before putting the HSF on simply because of the stress put on the board - I prefer to have it securely mounted in the case first.

With the Socket T-775 stuff I just put the mobo in first, then put in the CPU and clamp it down.
 

stevty2889

Diamond Member
Dec 13, 2003
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I prefer to put the motherboard in the case first, large heatsinks can put a lot of stress on the motherboard.
 

deathwalker

Golden Member
May 22, 2003
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Always..always...always...install the Proc, HSF and memory before installing the mobo into the case/
 

teutonicknight

Senior member
Jan 10, 2003
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I would install your heatsink/cpu (also ram) before putting the motherboard in your case, not only because it's a lot easier to work with, but also because your heatsink may use a non-standard motherboard bracker (i.e. Zalman's)
 

Leros

Lifer
Jul 11, 2004
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Originally posted by: teutonicknight
I would install your heatsink/cpu (also ram) before putting the motherboard in your case, not only because it's a lot easier to work with, but also because your heatsink may use a non-standard motherboard bracker (i.e. Zalman's)

Also, since some heatsinks take some pressure to latch shut, if your mobo is on risers it could bend somewhat. Why take the risk, do it on a flat surface.
 

imported_Nacelle

Senior member
May 8, 2004
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I've don't it both ways. With the heatsinks getting bigger and bigger, I install them before the mobo goes into the case.
 

Googer

Lifer
Nov 11, 2004
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I install mine with as much physical force as possible. If the cpu does not fit then you just are not pusing on it hard enough.
 

tuffgong

Senior member
Jan 20, 2005
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and when the pins break and you cant rma the chip then you just buy two more right?
 

keymaker78

Junior Member
Jul 10, 2005
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Originally posted by: deathwalker
Always..always...always...install the Proc, HSF and memory before installing the mobo into the case/

YUp thats the way to do it. I learnt it the hard way. I completed my first rig three days ago and it took me two days to get everything figured out. I have a zalman cnps7700CU. That is by far the largest cpu heatsink i have seen. I installed the mobo in the case first and suffered. I had to take it out and put it in like a million times. First install the cpu, heatsink, make sure you got all the jumper settings right. THen put the board in the case and go ahead with drives and vga.
 

Matthias99

Diamond Member
Oct 7, 2003
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If you buy a case with a removable motherboard tray, the whole process is a LOT easier. You can assemble the whole motherboard (CPU/HSF, RAM, PCI/AGP/PCIe cards), test it outside the case, then install the whole thing in the case in one step. Just hook up the drives and power connections, and you're set.

Barring that, I find it's easier to install the CPU, heatsink, and RAM with the motherboard outside the case. In practice, it makes no real difference, except that in a smaller case, it can be difficult to install the CPU or heatsink after the board is in place.