500fsb 1:1 Ddr2 Club!!!

sneekypeet · Apr 27, 2009

Drop the multi on the CPU to 6X add a bit of NB voltage and see how far the bus goes. 533 X 6 is just under 3.2GHz so you should be able to keep the CPU voltage low or at stock. Then once you confirm stability, raise the multi to a level where the CPU volts vs clockspeed has a good mix, dont forget about the half multi's

.

Birowsky · Apr 27, 2009

im not that of a noob to ocing
im just reeealy hustling here..
ive managed to boot the system on 533 fsb even with multi of 9, its just not entering vista
playing with skews helped me get there.. but what is the next step?!

sneekypeet · Apr 27, 2009

Loads of Voltage and at least a waterloop.

I can run 4.5GHz at 1.39V in windows, and it is stable, but to try to get 4.75GHz to windows was out of reach for me, on my air cooler. I had 1.5V in her and all sorts of NB and VTT volts, still no joy all the way into windows, but I got closer and closer as I added more volts. Just wasnt in the cards for me.

DOM · Apr 27, 2009

Birowsky · Apr 27, 2009

DOM, you gotta give me some bios settings on how you did that

Birowsky · Apr 28, 2009

or not

DOM · Apr 28, 2009

what mobo do you have ?

Birowsky · Apr 28, 2009

p5q pro
e8400 e0
corsair xms2 1066 cl5

max i can get is 500fsb by tweaking the skews and lotta voltage, but i really need to get to the magic 533

thx a million in advance!

DOM · Apr 28, 2009

well i really dont know anything from the Asus side might wanna ask these guys here The ASUS P45 Owner's Club

Birowsky · Apr 28, 2009

sure, good idea, but, do you mind sharing the (by your consideration) most important tweak??
i mean.. 625?? thats nutz

DOM · Apr 28, 2009

the ref. volts and the

CPU Clock Drive 800mV
PCI Express Clock Drive 800mV
CPU Clock Skew 50ps
MCH Clock Skew 50ps

and was on 1.5v on the mch

Birowsky · Apr 28, 2009

thx doode
only 50ps skews..
i had to do 100; 400ps combination to get to 500

SonDa5 · May 2, 2009

DOM you are in.

That is fast DDR2.

Great job.
:toast:

Birowsky · May 2, 2009

yah, thats just nutzy
however, do any of you know any technical paper and/or article on overclocking?

phanbuey · May 2, 2009

This is not 500 1:1... but If i did 500 1:1 I would get lower performance... for some reason my board LOVES 433 FSB 1:1 with tight timings... and anything around it... as soon as I hit 450, performance drops off - there must be some MCH timings that the Bios is hiding from me.

Anyone else experience this on their boards? Also, do you guys run 500FSB 24/7?

sneekypeet · May 2, 2009

phanbuey said:
This is not 500 1:1... but If i did 500 1:1 I would get lower performance... for some reason my board LOVES 433 FSB 1:1 with tight timings... and anything around it... as soon as I hit 450, performance drops off - there must be some MCH timings that the Bios is hiding from me.

http://img.techpowerup.org/090501/Untitled376.jpg

Anyone else experience this on their boards? Also, do you guys run 500FSB 24/7?

I did until I noticed L4D and COD were crashing, everything 10+ hours OCCT/memtest86+ stable, I just turned it back, and Im messing around in the 430 range myself right now.

SonDa5 · May 2, 2009

phanbuey said:
This is not 500 1:1... but If i did 500 1:1 I would get lower performance... for some reason my board LOVES 433 FSB 1:1 with tight timings... and anything around it... as soon as I hit 450, performance drops off - there must be some MCH timings that the Bios is hiding from me.

http://img.techpowerup.org/090501/Untitled376.jpg

Anyone else experience this on their boards? Also, do you guys run 500FSB 24/7?

I don't. It's just a stepping stone for learning how to OC to reach higher CPU speeds for benchmarking.

It's also a good test to measure DDR2 stability.

It's fun to do.... :rockout:

exon1 · May 2, 2009

SonDa5 said:
Post a screen shot of your memory divider or a link to verification of CPUZ WEB site.

That's in my signature xD

SonDa5 · May 2, 2009

exon1 said:
That's in my signature xD

Good job. You are in. :toast:

P45 chipset seems to do very well at high FSB speeds. I wouldn't doubt your machine could do a 5GHZ run with a faster CPU (Like E8500 or E8600).

Birowsky · May 2, 2009

or maybe e8500 :]

exon1 · May 2, 2009

SonDa5 said:
Good job. You are in.

P45 chipset seems to do very well at high FSB speeds. I wouldn't doubt your machine could do a 5GHZ run with a faster CPU (Like E8500 or E8500).

Oh well, I don't think that my cooler can keep up with the e8x00... But that is going to be my next CPU, probably the next year (unless games get to work better on 4 cores). At the moment I'll try find out what should I do with my RAMs, since they are not -stable- (they have never given me a single problem, but they won't get thru 2 minutes of orthos).
I hope I get to find some way to get them completly stable... (cheap PC2-6400 OC'ed ;x I should have bought some PC2-8000).

Anyhow... yay! ^^

SonDa5 · May 3, 2009

exon1 said:
Oh well, I don't think that my cooler can keep up with the e8x00... But that is going to be my next CPU, probably the next year (unless games get to work better on 4 cores). At the moment I'll try find out what should I do with my RAMs, since they are not -stable- (they have never given me a single problem, but they won't get thru 2 minutes of orthos).
I hope I get to find some way to get them completly stable... (cheap PC2-6400 OC'ed ;x I should have bought some PC2-8000).

Anyhow... yay! ^^

Your RAM is hardly "cheap".

I'd say you have a golden set of DDR2.

infrared · May 16, 2009

Wooo, finally figured out which setting was causing my mobo to crap out at 550+... Changed the NB GTL reference voltage to .61x and hey presto!

CPUZ Validation: http://valid.canardpc.com/show_oc.php?id=567759

No records set since it's too warm here to do a 5GHz+ run... FSB is limited by the ram here, unfortunatly the only set of 1200+mhz capable ram is in my little brother's computer at the moment.

Running 563mhz FSB with ram 1:1 as my new 24/7 clocks now. Ram at 1126mhz 1.8v

infrared · May 17, 2009

600MHZ FSB 1:1

Limited by the ram again, these are my old supertalents, but the slower of the 4 because the faster ones are frazzled =/ I don't think the board will go much faster unless I spend hours messing with the CPU and NB clock skews.

http://valid.canardpc.com/show_oc.php?id=567924

I didn't do a superpi run because it's too warm to crank the CPU up. If i get cooler day I'll set an 8.5x multi to give me 5.1ghz. Should be a killer combo with 1200mhz 1:1 ram

SonDa5 · May 19, 2009

I'm loving my G. Skill Pi 8800 DDR2. At around 1.9 volts it is smooth@500 FSB.

System Name	EVA-01
Processor	Intel i7 13700K
Motherboard	Asus ROG Maximus Z690 HERO EVA Edition
Cooling	ASUS ROG Ryujin III 360 with Noctua Industrial Fans
Memory	PAtriot Viper Elite RGB 96GB @ 6000MHz.
Video Card(s)	Asus ROG Strix GeForce RTX 3090 24GB OC EVA Edition
Storage	Addlink S95 M.2 PCIe GEN 4x4 2TB
Display(s)	Asus ROG SWIFT OLED PG42UQ
Case	Thermaltake Core P3 TG
Audio Device(s)	Realtek on board > Sony Receiver > Cerwin Vegas
Power Supply	be quiet DARK POWER PRO 12 1500W
Mouse	ROG STRIX Impact Electro Punk
Keyboard	ROG STRIX Scope TKL Electro Punk
Software	Windows 11

System Name	EVA-01
Processor	Intel i7 13700K
Motherboard	Asus ROG Maximus Z690 HERO EVA Edition
Cooling	ASUS ROG Ryujin III 360 with Noctua Industrial Fans
Memory	PAtriot Viper Elite RGB 96GB @ 6000MHz.
Video Card(s)	Asus ROG Strix GeForce RTX 3090 24GB OC EVA Edition
Storage	Addlink S95 M.2 PCIe GEN 4x4 2TB
Display(s)	Asus ROG SWIFT OLED PG42UQ
Case	Thermaltake Core P3 TG
Audio Device(s)	Realtek on board > Sony Receiver > Cerwin Vegas
Power Supply	be quiet DARK POWER PRO 12 1500W
Mouse	ROG STRIX Impact Electro Punk
Keyboard	ROG STRIX Scope TKL Electro Punk
Software	Windows 11

Processor	Intel i7 4770K
Motherboard	Asrock
Cooling	Water
Memory	Team Xtreem LV 16GB (2x8GB)
Video Card(s)	EK Full WB HD7970
Display(s)	CROSSOVER 27Q LED-P 27"
Case	Danger Den Torture Rack
Audio Device(s)	Onboard
Power Supply	CORSAIR Professional Series Gold AX1200
Software	W 10 Pro

Processor	Intel i7 4770K
Motherboard	Asrock
Cooling	Water
Memory	Team Xtreem LV 16GB (2x8GB)
Video Card(s)	EK Full WB HD7970
Display(s)	CROSSOVER 27Q LED-P 27"
Case	Danger Den Torture Rack
Audio Device(s)	Onboard
Power Supply	CORSAIR Professional Series Gold AX1200
Software	W 10 Pro

Processor	Intel i7 4770K
Motherboard	Asrock
Cooling	Water
Memory	Team Xtreem LV 16GB (2x8GB)
Video Card(s)	EK Full WB HD7970
Display(s)	CROSSOVER 27Q LED-P 27"
Case	Danger Den Torture Rack
Audio Device(s)	Onboard
Power Supply	CORSAIR Professional Series Gold AX1200
Software	W 10 Pro

500fsb 1:1 Ddr2 Club!!!

sneekypeet

Retired Super Moderator

Birowsky

Guest

sneekypeet

Retired Super Moderator

DOM

Birowsky

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Birowsky

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DOM

Birowsky

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DOM

Birowsky

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DOM

Birowsky

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SonDa5

Birowsky

Guest

phanbuey

sneekypeet

Retired Super Moderator

SonDa5

exon1

New Member

SonDa5

Birowsky

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exon1

New Member

SonDa5

infrared

infrared

SonDa5

System Name	Black Killing Machine
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Processor	13700KF Undervolted @ 5.6/ 5.5, 4.8Ghz Ring 200W PL1
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Audio Device(s)	Yes
Power Supply	Corsair SF750
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System Name	Sasha
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Motherboard	Crosshair VI Hero
Cooling	Custom watercooling
Memory	G.Skill TridentZ 2x8GB @ 3466MHz CL14 1T
Video Card(s)	EVGA 1080Ti FE. WC'd & TDP limit increased to 360W.
Storage	Samsung 960 Evo 500GB & WD Black 2TB storage drive.
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