Corsair 5400UL & Asus P5WD2 DDR860 4-2-2-2

Folks .... bad new on 0422. I've been playing wih the bios voltage and overvolting is still there !

The 'non response to bios settings' is gone .... is responds allrigth.

Larsk (and others) , in memtest86+ 1.60 I get no errors but with memtest 3.2 for windows I get errors !!! In which should I believe ?!?!? :confused:


And as for the voltage options in bios, what do you have on those :

FSB Termination Voltage
MCH Chipset Voltage
ICH Chipset Voltage

And which one should be changed from 'Auto' to get a stable OC ?

Do any of those help on getting better memory latencies ?

Greetings All,

Whats the highest FSB you can get with this board using 14 x multi?
But with the system fully stable under full load. I presume that is with max FSB volts using 0422 bios.

Cheers :toast:

according to the stilt I think with 0408 it'll do 350fsb without any vmods....if you search through the thread i believe it in here somewhere.

I've yet to see less than 300 stable except on retail bios (0304 and older)

Quote:

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Originally Posted by IluvIntel

Greetings All,

Whats the highest FSB you can get with this board using 14 x multi?
But with the system fully stable under full load. I presume that is with max FSB volts using 0422 bios.

Cheers :toast:

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Mine's stable up to around 345-350 Mhz fsb. It does even run everything just fine up to around 360 Mhz fsb, however results show some/a lot of speed variation. I know the cpu isn't the problem, as it will do around 200 Mhz more on the 18x multi.

Highest speed I ever achieved with default cooling and no mods was 370 Mhz fsb. Not particularly stable though.

Quote:

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Originally Posted by LarsK

Mine's stable up to around 345-350 Mhz fsb. It does even run everything just fine up to around 360 Mhz fsb, however results show some/a lot of speed variation. I know the cpu isn't the problem, as it will do around 200 Mhz more on the 18x multi.

Highest speed I ever achieved with default cooling and no mods was 370 Mhz fsb. Not particularly stable though.

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OK thanks LarsK,

Nice to see you, you've posted on OCAU forums in Australia, right?

I'm user RodneyJM on those forums. :)

In using the WD SATA II (300mb/s version) I get windows reporting errors around 288mhz FSB. I know its a bit risky using SATA HD for O/C, but thought I'd give it a try on this newer 955X chipset mobo. This is with FSB v on 1.5. PCIe v on 1.55. HD locked at PCIe 120 ;
Both chipsets on Auto voltage, no need for tweaking these I believe because of relatively low bandwidth RAM (I like using 1:1 :D ).

Are going to try ATA133 HD soon, see how high FSB can go - this is with prolonged CPU max load test, not just being able to boot into windows and run SuperPi with CPU-Z screenshot. :slap:

IMHO O/C is useless unless I can use it every day for the things I like to run without lockups or crashes. ;)

Quote:

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Originally Posted by IluvIntel

OK thanks LarsK,

Nice to see you, you've posted on OCAU forums in Australia, right?

I'm user RodneyJM on those forums. :)

In using the WD SATA II (300mb/s version) I get windows reporting errors around 288mhz FSB. I know its a bit risky using SATA HD for O/C, but thought I'd give it a try on this newer 955X chipset mobo. This is with FSB v on 1.5. PCIe v on 1.55. HD locked at PCIe 120 ;
Both chipsets on Auto voltage, no need for tweaking these I believe because of relatively low bandwidth RAM (I like using 1:1 :D ).

Are going to try ATA133 HD soon, see how high FSB can go - this is with prolonged CPU max load test, not just being able to boot into windows and run SuperPi with CPU-Z screenshot. :slap:

IMHO O/C is useless unless I can use it every day for the things I like to run without lockups or crashes. ;)

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Yeah It's me allright. I agree system should be 24/7 stable, otherwise it's not really useable. At 345 Mhz it actuallt is completely stable without any speed variation on the cpu either.

I actually run my OS on a 2x WD Raptor SATA Raid 0 array, also a couple of Raptors on the SIL SATA controller, an old Maxtor ATA drive and 2 dvd-rw's, so both ATA controllers are in use as well. I've got all like 5 USB 2.0 devices plugged in the mobo as well, 2 of them drawing power from the mobo, both network adapters are being used and I use the on-board sound card as well.

I've got all motherboard voltages maxxed out, 4x Corsair PC5400UL blocks mounted @ 2.3V so considering that everything on the mainboard is used 24/7, I think acheiving a 24/7 stable 345 Mhz fsb speed is pretty darn good for stock cooling too. I'm going to put water cooling on it here pretty soon, as well as volt mod it a bit, at least NB/mem term. and Vddr. I'm hoping to get 360-365 Mhz 24/7 stable without any cpu speed variation.

Quote:

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Originally Posted by LarsK

Yeah It's me allright. I agree system should be 24/7 stable, otherwise it's not really useable. At 345 Mhz it actuallt is completely stable without any speed variation on the cpu either.

I actually run my OS on a 2x WD Raptor SATA Raid 0 array, also a couple of Raptors on the SIL SATA controller, an old Maxtor ATA drive and 2 dvd-rw's, so both ATA controllers are in use as well. I've got all like 5 USB 2.0 devices plugged in the mobo as well, 2 of them drawing power from the mobo, both network adapters are being used and I use the on-board sound card as well.

I've got all motherboard voltages maxxed out, 4x Corsair PC5400UL blocks mounted @ 2.3V so considering that everything on the mainboard is used 24/7, I think acheiving a 24/7 stable 345 Mhz fsb speed is pretty darn good for stock cooling too. I'm going to put water cooling on it here pretty soon, as well as volt mod it a bit, at least NB/mem term. and Vddr. I'm hoping to get 360-365 Mhz 24/7 stable without any cpu speed variation.

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Hi Larsk,

So you actually run you O/S on the SATA raptors in raid 0 config, connected to the ICH7R southbridge?
And you get those high FSB O/C with all that other gear attached?
Hmmmm, I should just max the volts on everything in the chipset dept and the PCIe v. It annoys the hell out of me that I get window errors above 287mhz fsb, So it seems using more power to components will help here. But what if the system shuts down and reboots again. Maybe D0 stepping 560 cpu is no good even with 1.51 + vcore.... :(

You getting 345mhz fsb with stock cooling would IMO be easier to do in the climate of your country than down here in warmer Australia, even in our winters. Thats a fantastic achievement considering all the gear thats plugged in on that mobo.

My mobo was unmodded and I reached booted at 416FSB and PLL'd to 450FSB.

I have the new setFSB and plan to push it again tonight. Ive had the AC on full blast for a few hours now and plan to breach -130c under load.

My older P5WD2-P maxed out at 365FSB or so.

Mine has silver sinks and the 8 pin power next to CPU.

Quote:

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Originally Posted by FUGGER

My mobo was unmodded and I reached booted at 416FSB and PLL'd to 450FSB.

I have the new setFSB and plan to push it again tonight. Ive had the AC on full blast for a few hours now and plan to breach -130c under load.

My older P5WD2-P maxed out at 365FSB or so.

Mine has silver sinks and the 8 pin power next to CPU.

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Damn, that sounds really cool :p: :D I would really like to get mine completely stable beyond 360 with "everything" attached.

Mine has silver heasinks and an 8-pin power connector as well. Also I'm using the PCP&C 850W SSI PSU, I'm quite sure that doesn't hurt my oc ability any either ;)

Got my board up and running: Currently @ 4.410 using 315mhz x14.
7800 is @ 530/1350 (stock cooling until i get my LS then it goes water)
Aquamark 92,133
http://img310.imageshack.us/img310/1...mory7yc.th.jpg
http://img349.imageshack.us/img349/6...6sec8me.th.jpg
SuperPI: 26 Seconds
Sandra Memory: 7,393MB/s

Quote:

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Originally Posted by FUGGER

My mobo was unmodded and I reached booted at 416FSB and PLL'd to 450FSB.

I have the new setFSB and plan to push it again tonight. Ive had the AC on full blast for a few hours now and plan to breach -130c under load.

My older P5WD2-P maxed out at 365FSB or so.

Mine has silver sinks and the 8 pin power next to CPU.

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Does the new setfsb work with the new bios like 0422 or 0509?

thanks .. and if yes, where can we get it?
:)

Just a question about the VDD mod. With the mod on and stock mem volts i get a lot of errors with memtest 1.60 and also with Win memtest. Without mod everything is fine. Strange think. I have also noticed that the broblem is specially with the second dimm slot.

Don't flame me for this but....How do you make Sandra run the bandwidth test unbuffered as opposed to default.

Quote:

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Don't flame me for this but....How do you make Sandra run the bandwidth test unbuffered as opposed to default.

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I din't say anything about Sandra. Just memtest with Spd and 1.8 volts with bios settings

i know you didn't.......but everyone here uses sandra unbuffered as a memory bench and I can only get it to do buffered.

I can read, I didn't exactly see the word sandra in your post........yet my question still stands and thank you for your concern.

Im' not talking about benching memory, just problem with memory after the VDD mod. It was also imposible to run Sandra with so many memory erors.

Quote:

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Don't flame me for this but....How do you make Sandra run the bandwidth test unbuffered as opposed to default.

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Along the bottom of the Sandra Mem screen on the left side is an icon for settings. Uncheck these and when you run Sandra you should get Unbuffered scores.

Thanks BigStan

You are welcome. You might be paying me back soon. My P5WD2 came in today. Mem, vid card, etc should all be here tomorrow. Prolly will be needing some help shortly.

I'm always willing to assist in overclocking ventures. :) God knows I've helped about almsot every EOCF member that owns a P5WD2 with one thing or another.

I don't have the option to unlock cpu with 14x multi on this mobo, are using 630 cpu so stuck with 15x multi. :(
I am using 0422 bios, anyone have idea how to overcome this?
Also, other options in CPU config menu are set to auto, and thats the only choice you can take... :confused:

Any news???
Why i cant pass off 300fsb with multi 14x ou 280 with multi 15x???
Strange! If I put 305fsb (Multi 14x) and increase vcore for 1.50 it continues to be instabel... What could be?

Quote:

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Originally Posted by noosphere

Any news???
Why i cant pass off 300fsb with multi 14x ou 280 with multi 15x???
Strange! If I put 305fsb (Multi 14x) and increase vcore for 1.50 it continues to be instabel... What could be?

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I would put your PSU at the top of the suspect list. I can run benchmarks all day long at FSB's alot higher than 300 with Vcore at 1.475 so thats not your problem.

Im running a 3.73EE so if your using Dual core then my previous statement may not apply. I havent had a chance to test a dual core yet so im not up to date on how much voltage the CPU needs.

Quote:

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Originally Posted by mozzartusm

I would put your PSU at the top of the suspect list. I can run benchmarks all day long at FSB's alot higher than 300 with Vcore at 1.475 so thats not your problem.

Im running a 3.73EE so if your using Dual core then my previous statement may not apply. I havent had a chance to test a dual core yet so im not up to date on how much voltage the CPU needs.

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I allready check with more vcore... and the limitation is the CPU.... i cant push more the cpu :(
I participate in some foruns in allmost the people that have a DC, they just can reach to 4200 :D

Regards :O
Noosphere

Bios version 0509 is the worst overclocker.
It isn´t even stable with 2GB RAM at 266FSB 1:1 / 3-2-2-1.

Use version 0408.
It´s most stable and overclockable version.