Overclocking an E6600 on a P5B-E Plus

LazyGit

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Nov 27, 2006
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Evening all.

I recently purchased the aforementioned cpu, mobo combo along with 2 gig of ddr800 corsair ram.

I'm reasonably knowledgable when it comes to OCing but when it comes to OCing intels, temps and pros and cons of fsb speeds I'm a bit limited.

So, I pushed the fsb to 400 because I could keep the ram at the right timings there, locked the bus speed of the pci-e and pci, set vram to spec at 2.1V, disabled spread spectrum etc etc and upped vcore to 1.45. This gave me 3.6 GHz which ran stable (so far, not pushed for a long time yet). I have a Zalman 9700 which I am certain is properly installed although I'm not sure if I used too much paste or not. It is running constantly in silent mode. At this setting the idle temp for the cpu is 47 degrees and it approaches 60 under dual sp2004 according to speedfan. The mobo was running at about 44. Are those temps too high? Could they be doing long term damage?

Also, I was doing some typing when the zalman kicked in, I looked at speedfan and it was saying temps were at 85 but this was fluctuating massively (i.e. down to -1) and there was no load registered. Is there an explanation for that, could it be to do with the overclock?

Thanks for you advice.
cheers
 

n7

Elite Member
Jan 4, 2004
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He said cheers!

So i'd say no :p


OP, do you have the latest Speedfan?

For temps measurement, i'd suggest Core Temp or Intel's Thermal Analysis Tool.
 

LazyGit

Member
Nov 27, 2006
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Hi,

I'm in the uk. I think the plus is like a hybrid between the revised p5b-e and the deluxe. It's nice.

I'm using the latest speedfan. Intel's gives the same readings. I'm back at 3.6 now and idle temps are around 35. Load temps push 60. I think the temp probe must have had an aneurysm or something when it hit the 80's.

Is there a program that lets you control fan speed in windows? Speedfan doesn't do anything.
cheers
 

LazyGit

Member
Nov 27, 2006
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Looks like Qfan was stopping speedfan from working.

With the zalman at max speed the temps are currently running at 50 according to speedfan although TAT is saying 45. I've got TAT running 100% workload tests as well as dual sp2004. The fan is pretty noisy but that won't be a problem when a game is running.


I want to go further but if I go beyond 400 fsb I need to start altering memory timings and in the p5b bios the timings menu has a lot of settings that I haven't seen before, is there a way of calculating what the settings should be beyond 4-4-4-12?
cheers
 

n7

Elite Member
Jan 4, 2004
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I'm not sure what Corsair you have, but since there's no Corsair DDR2-800 that uses Micron anymore, these are the recommended timings for a CAS 5 kit.
For CAS 4 (assuming you aren't going too much past DDR2-800 speeds), simply change the first four timings to match your RAM.

5-5-5-15-6-42-3-11-5-14
 

LazyGit

Member
Nov 27, 2006
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Thankyou,

I'm going to go for 500 MHz fsb so will those timings still be okay even though the RAM would be running at ddr2-1000?
cheers
 

n7

Elite Member
Jan 4, 2004
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Originally posted by: LazyGit
Thankyou,

I'm going to go for 500 MHz fsb so will those timings still be okay even though the RAM would be running at ddr2-1000?
cheers

They'd be okay if your RAM could do 500 MHz, but it's not likely gonna get anywhere close to that.

With an E6600, you don't need to run high FSBs to achieve a high overclock.

In fact, 9x400 would get you to 3600 MHz, & it's not likely you'll get much higher than that.

If you really want to run such high FSBs for some reason, you'll need better RAM.