View Full Version : Basic help please

Amicus 400
17-07-2008, 02:59 PM
I am thinking of upgrading my home built socket 478 P4 machine to a Pentium core 2 duo.

MY main motivation is to get more RAM than the 1 gb that my current mobo supports so that I can install between 2 and 4 gb ram get better performance from photoshop and msaccess.

My question is this. If I get a socket 775 mobo, will it accept the P4 processor that I have in my current socket 478 machine?

Logic suggests that the answer is no, but the spec's say that it can run a p4 processor. see

I don't want to buy a new cpu unless I have to so it would be great to be able to use the existing one.


Help would be appreciated

Speedy Gonzales
17-07-2008, 03:11 PM
No you'll have to buy another CPU and maybe ram

775 is P4, but its not 478 pin

17-07-2008, 03:12 PM
Simple answer is NO ! a Socket 478 CPU will not fit in a Socket 775 Board.

Here is a socket 478 (http://www.imagef1.net.nz/files/4781216261693.jpg) and here is 775 (http://www.imagef1.net.nz/files/LGA775socket.jpg) as you can see totally different.

Amicus 400
17-07-2008, 03:23 PM
Thanks Guys, as I said logic suggested that it was not a runner, but hope is not logical.

Many thanks

17-07-2008, 04:25 PM
With Motherboard upgrades you generally have to do board, CPU and RAM in one go.