E5200 - Overclocking Thread

[djinks]

I was finally able to get stable with tighter timings:
3.5Ghz 280x12.5 3.00A divider 4-4-4-15 timings 1.34375 vcore

Main change was moving to 3.0A divider. Before I was stuck at 2.50A, with 2.66D failing to POST. I took a chance and bumped it to 3.00A and finally I was overclocking the ram.

I should also mention I removed 2 sticks of ram. I had read that sometimes 4 sticks of ram can be less stable. I decided to run tests first with two and then recheck with 4 to see if the extra memory was impacting performance.

[PizzaMan]

I've found that you can OC 2 stick easier then 4. This seems to be due to motherboard limitations on clocking 4 sticks.

[overclockerfx]

Originally Posted by PizzaMan

I've found that you can OC 2 stick easier then 4. This seems to be due to motherboard limitations on clocking 4 sticks.

Most likely its because 4 sticks of ram need more power than 2 sticks and thus your motherboard may not be able to cope with all that power going to the ram.

[mason]

Originally Posted by djinks

I was finally able to get stable with tighter timings:
3.5Ghz 280x12.5 3.00A divider 4-4-4-15 timings 1.34375 vcore

Main change was moving to 3.0A divider. Before I was stuck at 2.50A, with 2.66D failing to POST. I took a chance and bumped it to 3.00A and finally I was overclocking the ram.

I should also mention I removed 2 sticks of ram. I had read that sometimes 4 sticks of ram can be less stable. I decided to run tests first with two and then recheck with 4 to see if the extra memory was impacting performance.

You have the same motherboard as me. The MCH voltage is the northbridge, right? I don't want to OC my ram right now, so should I just slowly increase the Vcore and MCH voltage and leave everything else on auto like you did?

Also, I don't ahve very good RAM. I should change the ratio to keep in running at stock speeds for now, right? How do I do that?

I just noticed that CPU-Z says that I have a P45 Chipset when I have a EP43-DS3L. Why does it say this?

[mega_option101]

Originally Posted by PizzaMan

I've found that you can OC 2 stick easier then 4. This seems to be due to motherboard limitations on clocking 4 sticks.

You are correct

[0vercl0cked]

Hello folks

I'm making a new build with a e5200. It's going to be housed in a Gigabyte GA-G31M-ES2L microatx board, cooled by a Zalman CNPS 8700 LED. Memory is the OCZ DDR2 1066 Reaper HPC 4GB @ 5-5-5-15 2T. I'm getting my components this week and plan to put it all together and get it overclocking soon. I have a fairly large case so airflow isn't a problem for now (I will be moving to a SFF case eventually). I'll be spending a lot of time fine tuning this but any recommendations on the cpu/GTLVref voltages and FSB/memory numbers to start me off with?

[djinks]

Originally Posted by mason

You have the same motherboard as me. The MCH voltage is the northbridge, right? I don't want to OC my ram right now, so should I just slowly increase the Vcore and MCH voltage and leave everything else on auto like you did?

Also, I don't ahve very good RAM. I should change the ratio to keep in running at stock speeds for now, right? How do I do that?

I just noticed that CPU-Z says that I have a P45 Chipset when I have a EP43-DS3L. Why does it say this?

I believe MCH voltage is for the Northbridge. I have not changed that number, but I might later. Basically, I kept the ram divider at 2.00 until I found the CPUs max FSB and then started to move it up, making one change at a time. Timings were loosened once things started to fail. Mostly I just changed FSB (first), vcore (if increasing FSB failed , and ram divider (start at 2 and raise last).

I'm using 1.49 of CPU-Z, are you? My chipset reads E45/E43/G45/G43, so I guess CPU-z sees them all as the same.

[djinks]

Now I'm working on 3.56 Ghz (12.5 x 285FSB).
If I run Prime95 and it fails after 8 hours and 26 minutes, is that considered stable?

[PizzaMan]

Originally Posted by 0vercl0cked

Hello folks

I'm making a new build with a e5200. It's going to be housed in a Gigabyte GA-G31M-ES2L microatx board, cooled by a Zalman CNPS 8700 LED. Memory is the OCZ DDR2 1066 Reaper HPC 4GB @ 5-5-5-15 2T. I'm getting my components this week and plan to put it all together and get it overclocking soon. I have a fairly large case so airflow isn't a problem for now (I will be moving to a SFF case eventually). I'll be spending a lot of time fine tuning this but any recommendations on the cpu/GTLVref voltages and FSB/memory numbers to start me off with?

I started at 3.5Ghz and working my way up from there. 3.5Ghz is easy to get stable with a decent cooler.

[balake777]

Started upping the volts a little. So far I've gotten to 3.5GHz @1.25v but only tested OCCT for an hour. Will test it more and raise the volts in a week or so. Seems like there's still a lot of head room.

Edit: 3dmark06 freezes, need to up the volts some more. Guess OCCT isnt' that great.