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The P35 Chipset Club

Titus

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So, i tried with less V-core and more FSP voltage ... no issue ... blue screen :mad:

Crappy standard MoBo !! RAM and CPU can go faster but my MoBo locks my O/C.
What's about these voltage references ? No explanation in Asus notice :mad:
 

TeKniK

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sorry im late to join (well if i can). i only just found these forums :).
well i own an ASUS P5K intel P35 Chipset ACH9 bios 0414(cant see any reason to update)
q6600 go @ 370fsb x9 multi(have gone to 410 but not stable) gives 3.33ghz
only execute disable bit enabled, all other cpu option disabled
ram ratio of 1:1(i have 4 gig ocz platinum pc2 6400) best ratio
voltage damper enabled, vcore 1.4625v, cpu PLL 1.55v, fsb term 1.30v, NB 1.40
and clock over charging set @ 800mv, this is 24/7 stable

i have to say that this chipset is the best i've ever used
 
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Nice one TeKniK! I'll agree with you there, the P35 is an awesome chipset!

So, i tried with less V-core and more FSP voltage ... no issue ... blue screen :mad:

Crappy standard MoBo !! RAM and CPU can go faster but my MoBo locks my O/C.
What's about these voltage references ? No explanation in Asus notice :mad:

Can you take a picture of your settings in the bios?

Try dissabling the following:

DRAM Static Read control
CPU/PCIE Spread spectrum

In CPU Configuration, dissable:

C1E Support
Max CPUID Value Limit
Vanderpool Technology (what does this do anyways? :wtf:)
CPU TM Function

See if that helps any.

Also, try these voltages if you're still stuck:

1.4v vCPU
1.6v CPU PLL voltage
1.3v vFSB
800mv Clock overcharging
1.55v vMCH (Northbridge voltage)
1.2v vICH (Southbridge voltage)

Hope this helps :)
 

Titus

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Cooling Zalman CNPS 7000B-Cu / Zalman CNPS9500-Cu - Zalman VF900-Cu LED
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Can you take a picture of your settings in the bios?

Try dissabling the following:

DRAM Static Read control
CPU/PCIE Spread spectrum
I did it since the beggining.

In CPU Configuration, disable:

C1E Support
Max CPUID Value Limit
Vanderpool Technology (what does this do anyways? :wtf:)
CPU TM Function

See if that helps any.
I did too ;) but nothing ...

Also, try these voltages if you're still stuck:

1.4v vCPU
1.6v CPU PLL voltage
1.3v vFSB
800mv Clock overcharging
1.55v vMCH (Northbridge voltage)
1.2v vICH (Southbridge voltage)

Hope this helps :)
My PLL voltage is on 1.5V
- CPU voltage on 1.5V ( BSOD if less ), no temp increasing ,
- 1.4V on vFSB
I'll see or take some pictures for my bios ;
I can't change southbridge voltage ( P5K standard MoBo, no full full bios tuning items :cry: ).

I tried with X coef on 6 and 7 ... nothing
I tried with slow RAM timings ( 5/5/5/15 ) ... nothing.

So i'm not locked by my cpu or my ram nor by my PSU ( full stable voltages ).
1005 bios flashing increased my O/C capacity ( from 440MHz to 445 stable, i can boot on 450MHz ).
 

Mussels

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I've owned 2 P35 boards and 1 P31 board. I know all about the P3x family :p

i've got a G35, the midget cousin :p

sorry im late to join (well if i can). i only just found these forums :).
well i own an ASUS P5K intel P35 Chipset ACH9 bios 0414(cant see any reason to update)
q6600 go @ 370fsb x9 multi(have gone to 410 but not stable) gives 3.33ghz
only execute disable bit enabled, all other cpu option disabled
ram ratio of 1:1(i have 4 gig ocz platinum pc2 6400) best ratio
voltage damper enabled, vcore 1.4625v, cpu PLL 1.55v, fsb term 1.30v, NB 1.40
and clock over charging set @ 800mv, this is 24/7 stable

i have to say that this chipset is the best i've ever used

Thats a lot of volts for 3.33Ghz on a G0... try turning up the FSB voltage (its in there, have a look) and see if you can drop that CPU voltage.
 

Titus

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Benchmark Scores 12255 3D Marks 2006 / 21003 3DM05 / 37451 3DM03 / 60553 3DM01 / 194.068 in Aquamark 3
Thats a lot of volts for 3.33Ghz on a G0... try turning up the FSB voltage (its in there, have a look) and see if you can drop that CPU voltage.

I've the same problem with my motherboard: 1.5V-core for running full stable @ 8X445 FSB and vFSB increasing didn't resolve it :mad:
IMO, the stardard P5K MoBo doesn't have the same components ( capacitors, mosfets ? )than the deluxe, pro or higher editions ones.
I seems to own the same bord as TeKniK ( standard P5K with ACH9 ( not the " R " one ) chip ).

To TeKniK : try the 1005 bios, nice free upgrade to stability ;)
 

Mussels

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I've the same problem with my motherboard: 1.5V-core for running full stable @ 8X445 FSB and vFSB increasing didn't resolve it :mad:

try raising the northbridge voltage too then.

I only need 1,425 on both my quads for 3.6GHz, but both systems needed an FSB and NV voltage increase.
 

Titus

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Benchmark Scores 12255 3D Marks 2006 / 21003 3DM05 / 37451 3DM03 / 60553 3DM01 / 194.068 in Aquamark 3
I'll go on my bios turning up northbridge voltage et down my cpu voltage ...

EDIT : not running stable with these new voltages ( BSOD ) :( i return to my classic parameters.
 
Last edited:

TeKniK

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My System ok at 3.42ghz but i had to go up to 1.50v on bios .. i think 1 problem is some vdroop .. the diff between wat in bios and wat displayed at idle desktop is some 625mv and at full load i can lose a further 625mv so thats over a 1.2v drop. the system will boot at 1.3875 volts at 3.33 but is not stable .. i tried uping and lowering the vfsb and 1.55 wont boot. every thing described in an earlier post is disbaled except execute disable bit. no static read or spead spectrum. if i flash to the 1005 bios will i be able to flash back ?

also i have no sb voltage to change in bios
 
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Titus

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TeKniK, we have the all same problems ;) crappy standard p5k version :D
if i flash to the 1005 bios will i be able to flash back ?

No problem to do a back flash using afudos ( Asus flash under DOS ). Keep a save bios and flash your card back if you 're not agree with new one.

I 've flashed mine in 1006 version this afternoon ( final version ). No changing. May be with a hardware modding ... or changing for a premium p5K version :D
 

Mussels

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P5K-E is a nice board! *points at system*
 

Titus

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Benchmark Scores 12255 3D Marks 2006 / 21003 3DM05 / 37451 3DM03 / 60553 3DM01 / 194.068 in Aquamark 3
Hi.

This P5K is really crappy : i had to slow it @ 440 FSB ( 3.52GHz ) because it froze on games ( Track Mania Nations Forever, Rappelz ... ).
I pull down V-Cpu at 1.475V ( 1.44V effective ) and i run stable now.
I think hat's because we were 3 in my small PC room with my 2 rigs full running and central heating on.

Is someone knows difference between standard version and the premium one ( about power stage, components quality ... ) ??
 

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Hi.

This P5K is really crappy : i had to slow it @ 440 FSB ( 3.52GHz ) because it froze on games ( Track Mania Nations Forever, Rappelz ... ).
I pull down V-Cpu at 1.475V ( 1.44V effective ) and i run stable now.
I think hat's because we were 3 in my small PC room with my 2 rigs full running and central heating on.

Is someone knows difference between standard version and the premium one ( about power stage, components quality ... ) ??



im sure if you overclocking, you know that not all chips are the same, and not all chips can overclock the same.
Overclocking a chip isnt just about the chip, its about everything that supports it (PSU, MB, RAM etc...)... so blaming the P5K for the fact that it cant do what you set it to do is something that you should only do if you know for certain that its causing the issue.

Also, 440FSB is pretty damned high and not to shabby ;) considering that you had a 2.66ghz chip and clocked another 1000mhz out of it is something to be proud of ;)

The P5k-E and the premuim have the same 8-phase power and are pretty much the same board... im not sure about the other P5K models though from first hand experience
 
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Mussels

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The P5k-E and the premuim have the same 8-phase power and are pretty much the same board... im not sure about the other P5K models though from first hand experience

-E and premium models *are* the same. The only changes are to the stock cooling and the peripherals (some have wireless, some have dual gigabit)

The basic models are known to not OC as good, but seriously you;re at 440 FSB on a board that originally only supported 333 - you have a huge overclock. We cant just give you advice on how to make it work without knowing a lot more details.... but yes i can see your 3 rigs and central heating as a problem.
 

Cold Storm

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Well guys.. no more P35 board. The Blood Iron is now in its box resting. I have my Striker II up and running! I'll be ocing it once I get a chance! Its been fun! woot woot!
 

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Some news today ... so great news !

I found here a so easy v-mod for v-drop and v-pll for this board.

With 1.475V in bios, i had 1.44V in Cpuz. After this so easy tweak, i've 1.464V !!
I done it with a free IKEA paper pen :roll:

I'll try pushing my cpu far ;)

EDIT : i tried to push it more but it froze on 3DM06 @ 3.6GHz ( FSB 450 )... back to 445 FSB running full stable with 1.475V ( 1.5V before ) in bios.
 
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TeKniK

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hello guys wen i change the multi to 8x in my bios ... the bios and cpu-z ect display right speed but windows system panel shows the speed as if it wer an 9x multi .. any idea's y this happens and is it safe to continue to use even if windows shows the 9x still ? this one i just cant understand :confused:

thanks again
 
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hello guys wen i change the multi to 8x in my bios ... the bios and cpu-z ect display right speed but windows system panel shows the speed as if it wer an 9x multi .. any idea's y this happens and is it safe to continue to use even if windows shows the 9x still ? this one i just cant understand :confused:

thanks again

Im pretty sure that you can trust your bios & cpu-z to be showing the correct multi..
The windows system panel will show the default values for your processor, im pretty sure of that. Like for instance mine shows that my Q6600 is running at 2.4ghz... when in actual fact its permanently overclocked ;)
 

TeKniK

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Im pretty sure that you can trust your bios & cpu-z to be showing the correct multi..
The windows system panel will show the default values for your processor, im pretty sure of that. Like for instance mine shows that my Q6600 is running at 2.4ghz... when in actual fact its permanently overclocked ;)

thankyou very much m8 .. i was sure of as much and u just helped me make the right decision :) :)
 

Mussels

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yeah thats just windows screwing up.

The asus boards unlock the multi by tricking speedstep into activating, so windows just does FSB * multi without checking what the multi is - it just guesses that its really on the max.
 

TeKniK

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i've just managed to get my quad bought last november (packdate oct 07) to 3.51ghz 385x9 fsb on 1.46v (1.5375v in bios)(damn vdroop lol) im gonna try higher but currently stable with the following settings on my p5k...

cpu voltage: 1.5375v
cpu voltage damper: enabled
cpu PLL: 1.50v
vdimm: 2.10v
fsb term: 1.40v
nb voltage: 1.40v

i have 4gb ocz plat 6400 @ 390mhz 1:1 ratio wih cpu 4-4-4-15 2T timings :)

im currently getting temps between 37 - 54 degrees so this is fine with a AC Freezer 7 pro
 
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