Intel Penteum D 805 OCing

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newuser007

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Jun 3, 2007
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what is the highest stable speed anyone has OCed a Pentium D 805? Mine is @ 3.2, and anything more it is unstable. I have a gemini II Cooler, 2x 120mm fans on the cooler.
 
what is the highest stable speed anyone has OCed a Pentium D 805? Mine is @ 3.0, and anything more it is unstable. I have a gemini II Cooler, 2x 120mm fans on the cooler.
Click to expand...

I find it incredible you asked this question without listing in your specifications or even mentioning the motherboard you are using.
 
Well, I'm glad Badge gave his system specs with his overclock in his response....


I can't get my D 805 to overclock on my sleazy ECS mobo

D 805
ECS P4M800PRO-M
2 GB ram pc-5300
200GB Maxtor HD
500w Antec Earthwatts PSU <- the only descent part on this machine
 
if i remember right they top out around 4 ghz on a good water cooling set up.

and just for the record, dont ever OC with ECS that = 🙁
 
Well, I'm glad Badge gave his system specs with his overclock in his response....


I can't get my D 805 to overclock on my sleazy ECS mobo

D 805
ECS P4M800PRO-M
2 GB ram pc-5300
200GB Maxtor HD
500w Antec Earthwatts PSU <- the only descent part on this machine
Click to expand...

I can get my 805-D to 3.5 on my ASUS P5LD2-VM Micro 945G chipset. I've been running the system almost everyday for about a year. If your ECS has a 965 or 975 Intel chipset, you can get to 3.6 to 3.8 ghz. on air. The 805 D should clock to 3.0 easily on almost any MB, (like OP suggested?). Adjusting the BIOS will get you higher than the 3.0 the OP is at (Now OP is up to 3.2 ghz, I see). Going from 2.66 to 3.2 is a good overclock. The 805 D will do that on default voltage or 1.4 -1.45. Anyway, with a 965 board the 805-d can easily clock to 3.6 or better on air. HTH.
 
the damn thing's already a room heater at stock. I doubt it could handle any kind of OC.
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You might want to do a little bit of research before "sticking your foot in your mouth" :evil:

Watercooling my d805 at 195 fsb x 20multi =3.9GHz
on a Gigabyte DS3 8)
 
I've got my D 805 on a shitty ECS mobo and air cooling - it'll never see 3.9ghz. I don't plan on spending a few hundred on watercooling and a better mobo for this processor. So the foot in the mouth sticking is not on my end.
 
I have OC'D the 805 to 4.1 with 800mhz FSB before heat (58C) got me and XP crashed. Am planning to go water cooling but am concerned about condensation.

Pentium D-805
P5N32-SLI Premium
1 GB Patriot DDR2 800 mhz
Antec 600w PSU
Zalman CNPS9500 CPU cooler w/92 mm fan
300GB Barricuda IDE
 
WTF did you buy a ECS motherboard for? Unless you got it for free with the processor. 8O
The water-cooling setup is from a old athlon xp system. The motherboard is a great OCer Was bought to drop a C2D in later; I was impressed by the OC and performance on the 805 that I got a new Mobo for the C2D. :wink:
 
I have OC'D the 805 to 4.1 with 800mhz FSB before heat (58C) got me and XP crashed. Am planning to go water cooling but am concerned about condensation.

Pentium D-805
P5N32-SLI Premium
1 GB Patriot DDR2 800 mhz
Antec 600w PSU
Zalman CNPS9500 CPU cooler w/92 mm fan
300GB Barricuda IDE
Click to expand...
Unless you chill the water you do not have to worry about condensation. The water will only cool to the temp of the air in the room.
 
in fact, it was free. 80 bucks for cpu and mobo (gotta love fry's) I was tempted to watercool, but since I'm planning to upgrade at the end of summer, I don't see a reason to waste the cash.
 
I don't like to take apart systems apart if they're still working,. I'd rather not stick w/c on it just to take it out a couple months later... I'm saving watercooling for my next system - one of them cheap 45w Athlons.
 
The cheap 45w athlons will not need water-cooling, air will be more than enough for those. I doubt they will OC well, AMD needs to make money.
Selling a cheap processor that OCs well will cut into their more expensive CPU sales.
 
...
I can't get my D 805 to overclock on my sleazy ECS mobo

D 805
ECS P4M800PRO-M
2 GB ram pc-5300
200GB Maxtor HD
500w Antec Earthwatts PSU <- the only descent part on this machine
Click to expand...

I've got a very similar sleazy setup (same CPU & MB from Fry's) and have had great luck with using it as my Ubuntu testbed. With 1GB (single DIMM) Ultra DDR2-533 installed (yes, more sleaze) and 1.9V DIMM voltage, the 805D works great at a slight overclock of 150MHz FSB/3.0GHz core. W/stock Intel CPU cooler, idle temp is around 30C, loaded around 55-60C.
Unfortunately, adding a second Ultra DDR2-533 1GB DIMM led to memory errors, even with DIMM voltage raised/lowered. Running the RAM at DDR2-400 didn't significantly affect the speed of the system and restored error-free memory operation, so that's where I'm at right now.
 
t won't let me change any of the settings, or i somehow keep screwing it up, but i can't get any of the settings to change for OC
 
Oh well, there's a reason ECS boards are essentially free at Fry's. I was getting worried about mine since it didn't seem to have any problems, but then I added the 2nd GB of RAM and started getting memory errors, so I knew that indeed all was right with the world. :wink:
 
Ok, I just got it to be stable at 3.35GHz. Now, I'll try for 3.4. I want to get 3.66 out of it, w/o watercooling.


EDIT:

my BIOS has a feature to unlink the FSB from the RAM speed, so my ram is still @ 533, but my FSB is like 680 with a cpu multiplier of 20x.
 
Can someone please help me.
I bought a pair of DDR2/PC6400/CL4
What's the best setting with the ECS P4pro800 board and P805? I'm fsb to 147( up from 133). Any suggestions? Thanks
 
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