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DS3 & E6400 - An Overclocking Guide for people who don't want to
tantryl 
14/9/06 3:39:33 PM
Hero
Immortal


A few people have mentioned on the forums that they have no intention of overclocking when they get their brand new PC/upgrade. A lot of us spend some time trying to convince them it's worth it and it's easy, especially with the new Core2Duos, but one always gets the sense they're just not going to bother.

And I can't blame them. I rarely leave my PC overclocked even when I go out of my way to buy overclockable equipment. Why? I don't do any really processor intensive work - mostly internet and business apps with a side of gaming and the odd bit of DVD editting. Therefore I can see why people wouldn't want to overclock - why take the risk and make the effort when you're not going to see much of a gain? This remains a valid question, and the response in this thread is because there is bugger all effort and the risk is minimal.

So I was setting up a new PC for a client and I've got more spare time today than usual (I'd cleared the day because it's my 6 year anniversary with my lady friend, but she didn't get the day off work so *shrug*). And I thought I'd have a whack and see just how easy it'd be to overclock a DS3 with an E6400. The following is a shortened version of this guide: http://tinyurl.com/hjgf4 - which was the first thing my google search turned up.

------------------------------

How to Overclock Your Gigabyte GA-965P-DS3 with Core 2 Duo E6400 Allendale Without Even Trying


- I'm assuming a few things like a decent PSU, you have fairly generic DDR2-667 RAM, and are using the stock cooler.

------------------------------

1. First thing's first, update your BIOS to the latest version (F5 as of 14/09/2006). Download it here: http://tinyurl.com/zlcd7 then use either @BIOS (install off of CD, apparently the one on the internet is a bit borked) or follow the DOS guide: http://tinyurl.com/fltmg

2. Now you have a fresh new BIOS, get yourself into it by hitting Del as the system starts.

3. Once the BIOS screen is up, hit Ctrl+F1 to turn on all the tweaking extras (required for all Gigabyte mobos).

4. Go into the Advanced BIOS Features section and set the following to Disabled:
- Limit CPUID Max. to 3
- CPU Enhanced Halt (C1E)
- CPU Thermal Monitor 2(TM2)
- CPU EIST Function

Why are we disbaled-ing them? They're throttling functions that will throttle back the CPU... which we don't particularly want.

5. Hit Esc to go back to the Main Menu then enter the PC Health Status section and the Fan Speed Control Method to Disable (not necessary in the long run, but I do it anyway since the fan is pretty quiet at full speed).

6. Hit Esc to go back to the Main Menu.

7. Enter the MB Intelligent Tweaker (M.I.T.) section and do the following:
- Set CPU Host Clock Control to Enabled
- Set CPU Host Frequency (MHz) to 376
- Set PCI Express Frequency(MHz) to 100
- Set System Memory Multiplier to 2.00
- Set DRAM Timing Selectable to Manual
- Set CAS Latency Time to 5
- Set DRAM RAS# to CAS# Delay to 5
- Set DRAM RAS# Precharge to 5
- Set Precharge dealy (tRAS) to 12
Most RAM will actually work at 4-4-4-12 but this is a guide for lazy people so I figured I'd go with 5-5-5-12 since it's bound to work.

8. Fit F10 on the keyboard and respond "Y" to whether you wish to change your settings and exit.

Congratulations, your E6400 2.13GHz is now running at 3GHz (and your DDR2-667 running at 752MHz).

------------------------------

Done. Yeah, that's pretty much it. It should take you all of 5 minutes, if that. The longest and frankly most risky part is the BIOS flash. If you're incredibly unlucky 376MHz on the CPU won't work and you'll have to cut it down to 365MHz and settle for a piddly 2.91GHz.

If you really want to make sure everything's hunky dory then run MemTest86+ - downloadable from here: http://www.memtest.org/#downiso - for a good 5 passes to be nigh on 100% sure the RAM is fine.

Then run Dueling Prime95 instances (omgzpunlol) overnight to ensure the CPU is fine.
Download here: http://www.mersenne.org/freesoft.htm
How to Run for Dual Core: http://www.dfi-street.com/forum/showthread.php?t=16446

I did all this with the following basic setup:

- Intel Core 2 Duo E6400
- Gigabyte GA-965P-DS3 F5 BIOS
- 1GB DDR2-667 Legend Cas5
- WD3200JS HDD
- Asus 1608P3S DVD Burner
- Antec Sonata II w/ 450W PSU
- Bog standard WinXPSP2HomeOEM install

It should be noted I'd consider this build near-silent, even with the CPU fan control disabled (ie CPU fan at full speed) and Prime95ing away.

Will post picture-y results of Prime95ing and BurnInTest which tests other hardware while CPUs are duking it out to create a realistic overall system draw and chipset load here later today along with before and after super-pis.


Edited by tantryl: 14/9/2006 7:22:42 PM

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Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life. --Terry Pratchett

Kung Fu Hung-Su 
14/9/06 3:44:21 PM
Guru

Phwoar, gotta give that a try. My rig is quite similar to yours too =) What cooler you got on the CPU? Stock?

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Q(^_^Q) Sock it to em.

tantryl 
14/9/06 3:48:14 PM
Hero
Immortal


If you're serious about the overclocking look at that guide I link in the third paragraph. This is really just a shortened version of that for lazy people who don't like overclocking.

*EDIT* Yah, stock cooler. When dual large FFT prime95ing it maxes out at 55C in a 20-22C ambient when running @ 3GHz.


Edited by tantryl: 14/9/2006 7:20:52 PM

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Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life. --Terry Pratchett

glenn_styles 
14/9/06 5:07:13 PM
Champion

Quote by tantryl I thought I'd have a whack and see just how easy it'd be




kekekeke!!11




Seriously, yeah it's that easy, its a processor that is just easy to overclock. So if you haven't, do it.


Edited by glenn_styles: 14/9/2006 5:08:57 PM

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Gigabyte DS3 | ES E6300 Folding @ 3115mhz so far | Gskill 2GBHZ 1:1 | 2 x 200gb Maxtor SATAII | Tagan 580W | 7800gt |

just_juice 
14/9/06 7:01:47 PM
Serf
Quote by tantryl
set CPU Warning Temperature to 70C



What is the maximum temp for those CPU's? I thought it was in the low 60's.

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Intel T7200 (sample) || GA-81945GMMFY-RH || 2GB GSkill 2GBLA D2H PC5400 || X1950XTX (ex-review).

tantryl 
14/9/06 7:20:20 PM
Hero
Immortal


Yeah, it is. I'm not entirely sure why that step is in there at all. I think I felt the need to add something since just turning the fan control off didn't seem enough.

I'm removing it. Ta.

-----
Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life. --Terry Pratchett

relisar 
14/9/06 7:41:02 PM
Banned

Excellent guide tantryl! This should have it's own section

Very usefull for lazy and busy people that don't have time to fiddle around with their computer :D

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E6400|GA-965P-DS3|2GB Xtreem PC2-6400|XFX 7600GT

lomark 
28/9/06 3:54:25 PM
Serf
I need help with bios settings using F6 bios
got it to 2.4ghz with fbs 300mhz
can't boot into windows
Using 2GB 5400 ocz 44412 ram

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glenn_styles 
28/9/06 5:03:43 PM
Champion

Check to see if your ram is set to the right ratio. It might be trying to run at a higher speed than it is able to.

In my opinion the F6 bios is the worst so far, but you still should be able to get to 3ghz fairly easily.

Turned off all the power saving junk? (EIST etc?) Also what cooler are you using?

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Quote by tantryl I thought I'd have a whack and see just how easy it'd be



lomark 
28/9/06 5:44:01 PM
Serf
i followed the about instructions
ratio to 2 and fbs to 300mhz = 2.4Ghz
system halts after booting up
hdd does not load
using stock fan
need to reset cmos to recovery default bios setting to get into windows

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capo 
29/9/06 11:42:32 AM
Overlord

Well here is how my oveclocking has gone:

3.5ghz @ 1.4652v 9 hours prime stable, mem @ 876 4-4-4-12

Booted @ 3.85ghz but i havent fiddled with the voltage needed to get this stable yet.

System in rig, under watercooling.




Edited by capo: 29/9/2006 11:42:49 AM

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Gigabyle DS3
Core Duo 2 e6400 @ 3.5ghz, 1.46520v
2gb G.skill HZ @ 876, 4-4-4-12
XFX 7800GTX @ 520mhz
Proud member of the: **Atomic Hardcore Techno-Metal Club** #5

Builty 
29/9/06 12:37:21 PM
Champion

I don't suppose there is an equivalent guide for the Asus boards? P5B or P5W?

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FragTag Laser Skirmish:
http://www.fragtag.com.au

My home theatre:
http://www.users.bigpond.net.au/builty/index.html

relisar 
29/9/06 4:49:25 PM
Banned

P5B users can follow this guide made by freecableguy (FCG)

http://www.xtremesystems.org/forums/showthread.php?t=115217

Quote by Builty
I don't suppose there is an equivalent guide for the Asus boards? P5B or P5W?

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E6400|GA-965P-DS3|2GB Xtreem PC2-6400|XFX 7600GT

chunkey 
3/10/06 10:52:13 AM
Serf
Heres a question.... Could I follow this guide using the GA-945P-S3?


Edited by chunkey: 3/10/2006 10:55:59 AM

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tantryl 
3/10/06 11:34:21 AM
Hero
Immortal


Could you follow the guide? Yes, certainly. Would it work? Probably not. I don't know the overclocking capabilities of that board, but I strongly doubt it'll hit a 376MHz FSB. Research the board - maybe it does.

-----
Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life. --Terry Pratchett

mark84 
3/10/06 5:53:49 PM
Champion

Nice guide tantryl. I would suggest however that all RAM aint the same. Go for stuff rated for 800MHz DDR operation or higher so you know you're RAM will at least clock that high.

With the Allendales, having the FSB clock as high as possible is the key. The Gigabyte boards apparently clock high on the FSB, pair that with some PC6400 and your on your way to 3GHz bliss.

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4400+ @ 2.6GHz | HIS X1900XT@XTX | DFI Expert | Mushkin 991483 | Audigy2 ZS | DW1650 | 111D@111L | 4x80GB RAID0 |Gigabyte 3D Galaxy | Xaser III 1000D | ST60F |

The Truth About Graphics Power Requirements V2
http://tinyurl.com/cj3pw

potatohead11011 
3/10/06 6:55:13 PM
Disciple

Umm, I wouldnt reccommend putting your cpu up that far in one go, most importantly, is it stable after that?

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p4 3 Gig, zalman cnps7000cu or something like that, xpertvision gf 5700, liteon dvd, 80gig, 40gig hdd, 1gig ram, asus p4p800s-x,superflower 500w modular psu, all antec cobra cables, mx510

ladyofbow 
5/10/06 6:50:36 PM
Disciple

was trying to follow that guide for asus P5B..

but got stuck in ddr timing , any help?
im using G.skill 667 5-5-5-15

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P5B Deluxe WiFi, E6400, 1GB DDR667, X1950XTX

RenascentMisanthropy 
5/10/06 6:56:10 PM
Titan

Try 6-9-9-24 (if your ram can handle it). :D

I see there's a guy on XS with a P5B @ 602mhz with those timings.

Quote by tantryl
4. Go into the Advanced BIOS Features section and set the following to Disabled:
- Limit CPUID Max. to 3



What does that actually achieve?

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I can think of nothing less pleasurable than a life devoted to pleasure...
~
Folding@Home for atomicmpc
3DMark01: 41,371

tantryl 
5/10/06 7:44:44 PM
Hero
Immortal


Quote by RenascentMisanthropy
Quote by tantryl
4. Go into the Advanced BIOS Features section and set the following to Disabled:
- Limit CPUID Max. to 3



What does that actually achieve?



The setting when enabled prevents problems with OS's that don't support dual/HT CPUs.

Therefore useless since people will be using either XP, Vista or a Linux build (incredibly unlikely no dual processor support).

*EDIT* I have a feeling it's Disabled by default, so I might as well remove it. But I don't have a DS3 setup here, and I can't be bothered downloading the manual, so if someone else wants to look up whether it's default disabled I'll remove that part of the guide.

*EDIT2* Out of interest, I've followed my own guide on two more systems (albeit one was an E6400/DS4 to 3GHz system and the other an E6300/DS3 to 2.6GHz, but same instructions). Worked perfectly both times.


Edited by tantryl: 5/10/2006 07:50:57 PM

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Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life. --Terry Pratchett

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