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Advice - worth jumping to i5 2500k from i7 920?

post #1 of 23
Thread Starter 
My rig as per signature. Problem, 2gb showing instead of 6gb, tried everything from changing bios settings to reseating cpu. From testing, have concluded it is either bad mobo or bad cpu (btw it showed as 4gb initally, after 1.5 years, I decided to try reseat and now down to 2gb = time to buy -_-

I have 2 options...

I could buy new mobo (Asus Sabertooth x58) for £150'ish, with ram will cost £180'ish (I would buy ram just for the sake of it being cheap). With this option, I have to hope that it is the CPU socket that is fried/motherboard/DIMM and not the i7 920 processor.

Or, for £300, I could get a prebuilt i5 2500k OC'd to 4.5 ghz (on arctic cooler 13), would be on a ASUS P8Z68-V LX mobo with 4gb 1600 Corsair ram provided. Having something prebuilt + tested gives me peace of mind nothing will so to say, screw up frown.gif - but I am wondering if 4.5

With the first option, as you can see, I would have money to possible, spend on upgrading GPU or crossfiring it - any advice on that would be appreciated too (as to what is the best card now in 2012 to xfire with this 5850).

Help me OC!
Edited by ma2k5 - 2/29/12 at 5:57pm
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post #2 of 23
If the system were running properly it wouldn't be worth the upgrade. A decently overclocked i7 920 can still keep up.

Before you go and spend money though, check to see what the problem is. Pull out all the memory sticks except one and test them individually with MemTest86+. If any of them fail, you could have dead mem sticks. If they all fail, try a different slot and test again. In fact you could try putting the sticks in the secondary slots (instead of DIMMs 0, 2, 4 try 1, 3, 5). Have you tried reseating the memory at all? Did you clean the slots with compressed air?

I'm not going to stop you from spending your money, but if you don't have to, why bother?
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post #3 of 23
Quote:
Originally Posted by Firehawk View Post

If the system were running properly it wouldn't be worth the upgrade. A decently overclocked i7 920 can still keep up.

Before you go and spend money though, check to see what the problem is. Pull out all the memory sticks except one and test them individually with MemTest86+. If any of them fail, you could have dead mem sticks. If they all fail, try a different slot and test again. In fact you could try putting the sticks in the secondary slots (instead of DIMMs 0, 2, 4 try 1, 3, 5). Have you tried reseating the memory at all? Did you clean the slots with compressed air?

I'm not going to stop you from spending your money, but if you don't have to, why bother?

^This
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post #4 of 23
Thread Starter 
I have tried all and more ^^ believe me I was not happy to see 4gb instead of 6gb - it isn't a RAM issue as I did process of eliminiation and found 1 dead DIMM slot, usually caused by either failed CPU Slot or the CPU itself I believe. If reseating made things worse, It kind of makes things conclusive for me frown.gif.
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post #5 of 23
No not worth upgrading. get your rig running properly the crossfire.

might want to OC your chip as well, the 920 is a nice cpu remember it is only one chipset behind and by no means slow.
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post #6 of 23
Keep the 920!
 
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post #7 of 23
Is there anyone you know friend wise with a matching socket cpu or motherboard that way you could either test with a different cpu or test your cpu in their MB to verify if its a dead dimm on your MB or if your cpu is fouled. If not I would still probably say try to make the best of it and ride until April and hope theres no delays in Ivybridge being released.
post #8 of 23
As everyobne here says just get a new motherboard.
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post #9 of 23
Thread Starter 
Thanks guys!
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Funtime
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post #10 of 23
Ivy has already been delayed until June, Intel announced it a few days ago.

OP, you say you have a faulty slot, have you tried switching your ram to the other 3 slots?

Don't buy a new mobo until you're sure its not the chip.
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