The Official Core 2 Duo Overclocking Thread

[alpha0ne]

hey m8's - my first post here
@ alpha0ne
hehe... 1 ghz oc @ stock is appropriate
which week ?

Its a week 17 engineering sample, really goes well at very low Vcore to MHz ratios and also good for some extreme OC's

[cliffy]

Got my new E6400 today week 28. Motherboard still holding me back unfortunately but here is my max clock

[Dani]

1.7V on Air! You're nuts!! How are temps?

Ambient ~18'C and CoreTemp shows around 50'C in SP8M run

[dinos22]

Ambient ~18'C and CoreTemp shows around 50'C in SP8M run

pffft sure mate 18C ambient hehehe

[Dani]

Here in Finland we dont have so cold yet

[itznfb]

just ordered:

E6600
P5B Deluxe
Patriot PC26400 2x1GB
eVGA Geforce 7950GX2

i don't know why i ordered this, i guess i just couldn't resist jumping on the bandwagon

[largon]

E6400 week 24 @ 3.6GHz 1.5V real vCore
Gigabyte DS4 F4c @ 450MHz
Team PC2-5300 3-3-3-8 D9GMH @ 900MHz 4-4-4-10 2.2V
Watercooled CPU, MCH & VPU

9h 9min ORTHOS stable:

[raydelee]

mine E6600 L623A550 1.58vcore 2.2vdimm

[gundamit]

Week 24 6600 on a Asus P5B D. Too bad the 4:5 divider is giving problems. Just put an old 6K series Swiftech waterblock on and the temps went way down. Had to grind down the hold down bracket a bit because when the block sits dead center its right on some caps. Now its cool enough, I think I can give it a bit more core voltage for bench testing.

[norain]

You guys should all try dropping the multi and raising the FSB. Since you all actually know what the hell you're doing (as opposed to me) you'd probably all be over 500 by now.

DS3. Lowered volts and multi
+1 to MCH
That's it and that's all.

[Dani]

ASUS P5WDH with BIOS 1401
E6600, week 24, 1.68Vcore
Rhino PC2-6400 2.3V, Pic1 and pic2
Tagan TG580-U22 580W (2Force)
TT BigTyphoon, ambient ~18'C

[Evil]

Intel C2D E6600 Vcore 1,6125v, Week 27
Asus P5W DH Deluxe
Crucial Ballistix PC2-8000 Vdimm 2,4v just in case
FSP Epsilon 700W
Inbox cooler+90mm TT smartfan, Ambient 20c

Dry Ice very soon.

[rob61]

I know, stoopid question...

How do I know which "week" I have with a C2D E6600?

Is it in the FPO/BATCH #?

[Rmc[AZ]]

I know, stoopid question...

How do I know which "week" I have with a C2D E6600?

Is it in the FPO/BATCH #?

Yes, it says L6XX Blah Blah... XX is week.

[momoto]

Intel C2D E6600 Vcore 1,6125v, Week 27
Asus P5W DH Deluxe
Crucial Ballistix PC2-8000 Vdimm 2,4v just in case
FSP Epsilon 700W
Inbox cooler+90mm TT smartfan, Ambient 20c

Dry Ice very soon.

P5W DH-Deluxe Vs P5B Deluxe
http://happy.ap.teacup.com/7193/img/1157729686.jpg

Intel Core 2 Duo E6700
Asus P5B Deluxe
D9GMH PC2-6400 2X1GB
Zippy 600W

pi 32M
http://happy.ap.teacup.com/7193/img/1157729856.jpg

[GWillakers]

Hello people, this is my first post to a forum... but I really wanted to get this out because I've seen no press on the matter.

I have the Bad Axe D975XBX AA revision 305
E6600 not oc'd stock HSF... HSF has been cleaned and reapplied 3X

My system idles at 56C while in BIOS or Windows 2K SP4
same system idles at 43C while in XP SP2
Bringing up properties on the My computer icon shows speedstep active in xp with the box running at 1.6Ghz

The C2D's depend heavily on speedstep to keep them cool.
speedstep is built into XP but requires a driver for w2K.

In the past Intel has made it the Laptop Manufacturers responsibility of supplying the speedstep driver for their particular laptop.

Can we persuade Intel to supply speedstep drivers for the BadAxe?
If not, then a core 2 duo would be a poor choice for any w2k system, if it idles at 58C

Oh and by the way Intel has excellent documentation in the E6xx series datasheets, chapter 5.

Thermal 1 - turning clock on and off
and Thermal 2 - voltage drop and multiplier drop occur at 60.1C

Thermal Trip - The shutting off of the processor occurs approximately 25 degrees over Throttling temps about 85C

[revenant]

wow.. looks like a lot of these chips get a lot of good OC with default vcore. impressive. I'm letting my chip burn in a little at default speed/vcore.. it loads at 26c under water. here's the chip details:



not using this mobo any more on the account of it blew a voltage reg. POS.

Update:

priming now @ 3150 with default vcore!
fsb @ 350 / mem 1:1
Asus P5W DH Deluxe 1401 bios

Update #2:

finally had to add some vcore to stablize 3300. vcore = 1.375 now.. still testing but things are looking good so far!

[zevia]

zevia - 3400 MHz Prime Stable (1.40V) | Air - Big Typhoon | Asus P5W DH Deluxe BIOS 1305 | Corsair 2x1GB PC2-6400 (2.05V)

CPU: E6400 Retail L625A452 (Week 25) 3.4 GHz [1.400V]
Motherboard: Asus P5W DH Deluxe [BIOS 1305]
RAM: Corsair XMS2 2x1GB PC2-6400 5-5-5-12 [2.05V]
Cooling:
-CPU: Thermaltake Big Typhoon CL-P0114
-NB/SB: Cooler Master SLC-S41-U1
Case: Thermaltake Armor VA8003SWA Silver
PSU: Antec TruePower 2.0 TC-II 550W
GFX: ATI Radeon X850XT PE
Temp: Idle 34-36C, Load 48-50C

BIOS Settings
AI Overclocking: [Manual]
CPU Frequency: [425]
DRAM Frequency: [DDR2-850Mhz]

Performance Mode: [Turbo]
PCI Express Frequency: [110]
PCI Clock Synchronization Mode: [33.33Mhz]

Memory Voltage: [2.05V]
CPU VCore Voltage: [1.4000V]
FSB Termination Voltage: [1.50V]
MCH Chipset Voltage: [1.65V]
ICH Chipset Voltage: [1.20V]

*Idle*


*Dual Prime 5 hours*


http://valid.x86-secret.com/show_oc.php?id=120290
.

[ante_ante]

just got my week28 E6600 today. It has potential i think. All on air.
Using asus p5b dlx bios 0614. Every voltage are at auto except vdimm 2,05. No problems running thru 3dmark01,03 and 05 at 3500mhz. Also running dual pi 8mb with 3562mhz.

[heikis]

just got my week28 E6600 today. It has potential i think. All on air.
Using asus p5b dlx bios 0614. Every voltage are at auto except vdimm 2,05. No problems running thru 3dmark01,03 and 05 at 3500mhz. Also running dual pi 8mb with 3562mhz.

you might wanna see your real voltage of you CPU in bios (vcore), because on AUTO the board gives ~1,6V+ over 400FSB
vcore set manually!!!

[htkm1]

Here are my O/C Results:

CPU Speed:
Intel C2D E6300-Allendale (ES)
Running @ 3.5Ghz
CPU Voltage: 1.344v

CPU-Z:
http://valid.x86-secret.com/show_oc.php?id=120576

SuperPi 1.4mod-32M:


Motherboard:
Brand: Biostar
Model: TForce P965 Deluxe
Bios: TForce P965 Stilt Edition
Vmod: VDimm

Cooling Used:
CPU: Watercooling with Swiftech “Storm” Water Block.
Motherboard Chip-set: HSF(Heat Sink Fan) Swiftech MCX-159.
Graphic Card: Watercooling with Swiftech “MCW50” GPU Block.
Radiator: Thermochill 120.3.
Pump: Danger Den DD 12V-D5 Pump.
Reservoir: Swiftech MCRES-MICRO

RAMs:
Brand: GSkill
Model: F2-6400CL3D-2GBGA (1GB x 2)
Rated Speed: PC2-6400 (DDR2-800) 3-4-3-8 Dual Channel
Test Voltage: 2.2~2.4v
Running @ 500FSB, 1:1, CL3-4-4-10 on 2.424v

Ram voltage:


Regards,
htkm1(forum name)

[Capo Crimini]

I don't know if my cpu is a bad OCer or if there's some bios settings I ought to change, but my e6600 (week 24 + p5w dh dlx 1305) fails in orthos after 5 minutes @ 367*9 w/ 1.47V. I had to use 1.42V to get 356*9 8 hrs orthos stable.

At 367FSB my settings were pretty much the same as everyone else, however i'm using auto on MCH and ICH (tried 1.55V on MCH + 1.20 on ICH + 1.47Vcore). 1:1 and SPD by mobo enabled and vdimm at 2.15. With these settings I got ~74C on core 1&2 (everest). At 3.2G I get ~68C. Using SCNJ & Papst fan. I also have a 40mm fan strapped to the NB heatsink.

To sum it up, changing mch/ich/vcore didn't seem to help getting it orthos stable, but could there be something i've overlooked? Shouldn't it be capable of doing more than 3.2G? Any suggestions are welcome.

[htkm1]

I don't know if my cpu is a bad OCer or if there's some bios settings I ought to change, but my e6600 (week 24 + p5w dh dlx 1305) fails in orthos after 5 minutes @ 367*9 w/ 1.47V. I had to use 1.42V to get 356*9 8 hrs orthos stable.

At 367FSB my settings were pretty much the same as everyone else, however i'm using auto on MCH and ICH (tried 1.55V on MCH + 1.20 on ICH + 1.47Vcore). 1:1 and SPD by mobo enabled and vdimm at 2.15. With these settings I got ~74C on core 1&2 (everest). At 3.2G I get ~68C. Using SCNJ & Papst fan. I also have a 40mm fan strapped to the NB heatsink.

To sum it up, changing mch/ich/vcore didn't seem to help getting it orthos stable, but could there be something i've overlooked? Shouldn't it be capable of doing more than 3.2G? Any suggestions are welcome.

Did you disable C1E? What Rams are you using? What are the Ram Timings? Try increasing the Ram voltage or losen the Ram Timings.

[norse]

http://valid.x86-secret.com/show_oc?id=120731
16.281s Superpi mod 1mb

This is sp2004 stable for 6 hours tested so far.

water, 1.475 vcore, f5e bios

[ante_ante]

you might wanna see your real voltage of you CPU in bios (vcore), because on AUTO the board gives ~1,6V+ over 400FSB
vcore set manually!!!

I didn´t want to here that, will check later when i get home....