Wat is "Long-Life PWM Capacitors" ?
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Wat is "Long-Life PWM Capacitors" ?
I am finally stable but I notice that my system seemed more responsive with everything on auto seems like my memory is holding me back.
The best everest will report is the following.
READ 6861 MB/s
Write 8511Mb/s
Copy 8122Mb/s
Latency 80.0 NS:(
This is with the OC charger to strong.
Running ddr2 patriot viper PC6400
400mhz (8x400 1:1 5:5:5:15)
1.96v
I tried changing the common performance level to 8 but it was a no boot.
Edit...
I realized i needed to chance my Dram frequency.. duhh..
At DDR2-1006mhz 4:5 ratio now..
My numbers are
Read 7647Mb/s
Write 8515MB/s
Copy 8456MB/s
Latency 71.6NS
Oc Charge and Twister are AUTO
Its more responsive now but im not sure how stable it is.. what else can i tweak to get a little less latency.. time to prime blend tonight..
did anyone have sucess with the underclocking @ idle/overclocking @ load?
For such a small price difference between the two and having temp read-outs and more options in the BIOS I would have to agree. Unfortunately my board was just goofy from the get go and a couple of days later it just up and died w/o warning or explanation so I can't honestly recommend it to someone else.
I'm hoping it was just my bad luck because I had such high hopes for the Formula II given the outstanding performance I'm getting from the P5Q-D.
Does anyone know how far the motherboard pushes the CPU PLL voltage when set to "auto", it seems that my system is just as stable with the setting on auto at times and was wondering if that is because it is setting this value to a higher limit that is dangerous to my CPU?
Biggest latency drop is to be expected when putting Static read control to enabled, then test thoroughly, if all is okay maybe you can put the clock twister at moderate... test again and then try the lowest stable PL level... will be 7-8 ish depending on OC, RAm and co...
If all works out you will get a nice increase, though don't expect miracles...
Well if I can sell the dlx I might try out the MF II, did you replace the TIM and modified the NB attachment ? Seems ram wise it's a tad better than the Dlx...
I don't know the exact number but I'm pretty sure it was over 1.75... so pretty lethal for 24/7 use with a 45nm CPU...
Leeghoofd, I have a good question for you. I have been working hard to get my 3.4ghz(8x425) overclock very very rock stable. I need my system to be more stable then most people because I use very CPU intensive chess engines(basically huge number calculators) so I prefer my system to be 12 hour small FFT stable, 2 hour OCCT Ram test stable and then 18-24 hour prime95 blend stable. For my overclock I have got 1.406vcore/1.58PLL to last 9 hours small fft's before failing, I might get stable by bumping to 1.6PLL but instead I decided to try 1.4125vcore/1.54PLL which is currently running for about 3hours. My question is that if both settings pass 12hours (1.406/1.6 and 1.4125/1.54), which of these would cause the least amount of CPU degradation over a period of 12 months? Does increasing the PLL affect how much wear and tear you are putting on your CPU? Thanks, hope that is not to hard to answer:)
I threw my WC setup on the board right away since they both arrived at the same time. The loop was leak checked and after the Formula died I slid my P5Q in w/o breaking my loop and it has been running w/o incedent ever since.
I have used LLC on the P5K-D/Maximus Formula/P5Q-D/Formula II/DFI (x38/x48) w/o any stability issues.
Since you are running a 65nm quad I don't see any problem in high voltages regarding Vcore nor PLL... but it's an interesting question... Only thing I would look into are ya temps... hows does the Zalman cope with ya CPU ? what voltages does ya CPU require for eg for 200mhz less ? so 8 x 400 ? or even 10 x 333 ? If the cores go over 60°C I would consider a beefier cooler there... could be you need less voltages then for 12 hour stability...
And to be honest, I never run Prime Small over 6 hours or so... then I run an OCCT 2 hour, first CPU then Ram and finally mix in a row... some 3dmarks and finally 4 superpi 32mb runs at the same time... till now no weird erratic behaviour with none of my CPU's...
We are getting obsessed with Prime and Orthos... while it could be heat, PSU, who knows what makes the stress program fail... also some peeps prefer Linpack... but my CPU is never tortured like that in real time , not even when folding 24/7 at 100%...
Best test is daily usage... if you don't have anything erratic while using ya rig and having fun... then it's stable enough for you... for someone else it might cap out on some program or co...
My P5Q-D arrives today and I have a question for you guys that transfered your Raid drives. From reading here I don't think I would want to hook my drives to the "Raid" ports as that would then format them, if I understood correctly. What ports did you hook your existing Raid drives to in order for the existing volumes to be read?
The Orange/white ports are only for data storage, depending on which setting you have the Xpert drive in BIOS, you may loose data on disks.
I putted my previous RAIDs on the Red ports and set RAID on BIOS, that ones are ICH10R controlled. Previously I had this drives running Vista on ICH9R and they booted with ICH10R, just installed new drivers under Vista to make all work fine.
I have a question about LLC also.
With LLC Enabled, my CPU needs 1.3625V for 9x445, 1.360V in CPU-Z under load. But with LLC Disabled my CPU needs 1.39375V, 1.336V under load. I have NB set to 1.12V.
When on P5K PRO with LLC Disabled, it needed 1.375V in BIOS, 1.336V under load (0.04V vdroop, P5Q-D has 0.06V). As I remember LLC didn't help much on this board.
I thought that NB voltage affects LLC, but I guess it doesn't, NB at 1.26V and CPU 1.35V, Orthos Small FFTs works, but Blend doesn't.
I also made some testing with 500 and 534FSB:
8x500 NB 1.14V
-LLC Enabled 1.3625V Blend OK, 1.35V Small OK
-LLC Disabled 1.40V (1.344V load) Small FFTs and Blend OK
7.5x534 NB 1.28V
-LLC Enabled 1.3625V Blend OK
-LLC Disabled, 1.40V Small FFTs, but needed 1.4125V for Blend
So what's with this LLC, and is it better to have more voltage in idle and less in load (LLC Disabled -> 1.33-1.39V), or a voltage somewhere in the middle at all times (LLC Enabled -> 1.36V).
I have been having some difficulties with the P5Q Deluxe and over clocking it. I have ran programs like SP2004, Prime95, OCCT, and Memtest84+ and have not been able to find anything unstable. However even a small over clock on my q6600 G0 (2.8 was the lowest I was having instability at) the OS behaves strangely and games will freeze and require a hard reboot. Could I be having difficulties with Vista 64 and stability testing?
Can anyone tell me what occt crash code 4 means please?
I just cannot get my machine to stop bsoding at random,my memory is crucial pc8500 tracers which are on my boards qvl.I used to run my chip in my p5k-prem at 3.6ghz/1.41vcore 24/7 with no problems.
Could it be my raid setup that is causing random bsods? mebbe this board has a problem with certain discs like the p5k-prem? they are samsung sp2504c's.
I am at my wits end:(
I just upped my vcore to 1.425v and it passed for 13mins with no error,i had it on custom 1H/ram.I will see if i still get random bsods now.
EDIT-well it did it again.Is it possible it could be something to do with media center? it seems to bsod more when that is running.
Help me!!
You'd best rule out your mem first by running memtest, instable or broken memory often cause BSOD's.
Good luck finding the culprit.
Leeghoofd, did you happen to see my posts? I just need some help figuring out if I have a defective board or not so that way I can return it within the return window (which ends very soon; possibly today, I may have to check >.<)
Have you tried updating to a newer bios ?
The sound is okay now according one of your posts, so it must have been a driver issue as hardare probs don't go away all of the sudden...
For ya vidcard fading issue, which graphics card are we talking about ? which game ? do you have issues in other games too ? seems again driver/game related...
I'm no wizard, I just analyze and try to think logic, don't shoot me if it turns out to be ya mobo... but you had issues too with the E and ya ram, did you try a newer bios on that board ? or did you run it out of the box ?
Plz list all ya hardware and drivers so we all can have a look at it...
Here they are,thanks guys
fsb---------------------------400
FSB Strap to North Bridge:----400
PCI-E Frequency:--------------101
Dram Freq--------------------1066
Dram timing control--------manual
cas latency---------------------5
dram ras to cas delay-----------5
dram ras precharge--------------5
dram ras activate--------------16
ras to ras delay-------------auto
row refresh cycle time-------auto
read to precharge time-------auto
---------------------------------
read to write delay----------auto
write to read delay----------auto
write to read delay(s)-------auto
write to read delay(d)-------auto
read to read delay(s)--------auto
read to read delay(d)--------auto
write to write delay(s)------auto
write to write delay(s)------auto
write to write delay(d)------auto
---------------------------------
write to pre delay-----------auto
read to pre delay------------auto
pre to pre delay-------------auto
all pre to act delay---------auto
--------------------------------
DRAM Static Read Control:disabled
DRAM Read Training:----------Auto
MEM. OC Charger:-------------Auto
AI Clock Twister:------------Auto
AI Transaction Booster:------auto
---------------------------------
CPU Voltage:--------------1.4250V
All CPU GTL Voltage Reference:Auto
CPU PLL Voltage:-------------auto
FSB Termination Voltage:-----1.3v
DRAM Voltage:----------------2.2v
NB Voltage:-----------------1.20v
NB GTL Reference:------------Auto
SBridge Voltage:------------1.10v
PCIE SATA Voltage:-----------auto
Load Line Calibration:------disabled
CPU Spread Spectrum:-----Disabled
PCIE Spread Spectrum:----Disabled
CPU Clock Skew:--------------auto
NB Clock Skew:---------------auto
Advanced CPU Settings: All Disabled except execute bit disable
I had these-
MEM. OC Charger:-------------Auto
AI Clock Twister:------------Auto
AI Transaction Booster:------auto
on their lowest settings,then i put them on auto and ran memtst,it passed 1 full test and i got 1 error on test 4 on the second pass.The ram is a few weeks old,that i got back from an rma.I have not ran it higher than 1066/2.2v since i got it back.It is pc8500 single sided tracers-BL12864AL1065.8FE5
Before i put them settings on auto,i ran mem test and it had loads of errors straight away nearly.
Guys,
I need some feedback from you folks.
I am using BIOS 1102 Beta + P5Q Deluxe + E3110.
I know I got unlucky with my processor, the VID=1.225.
At 7.5 x 500 (3.75Ghz) I can run prime stable 24hrs blend and small fft's while using 1.350V CPU Vcore set in bios, CPU-Z shows 1.338 idle and load.
Temps are 36 idle and 58 load with Sunbeamtech Core Contact Freezer in a Stacker 830 Evo case with 8 120mm fans (good air flow).
I can get to 8.0 x 500 (4.0Ghz, which is what I want) and prime stable 24hrs blend and small fft's but must use 1.4125V CPU Vcore set in bios, CPU-Z shows 1.392 idle and 1.400 load with temps at 39 idle and 63 load.
I do not use my machine 24/7 for like folding, just game on it at nights and music/internet sometimes. Sits idle quite a bit.
Here is my question ... since this is a 45nm CPU is 1.4V and 63 temps at load safe or should I bump it back down to 1.350 with 250mhz loss?
Input is appreciated.
Thanks
Abraxas
Thanks.
I will just use the closest setting on the 333 divider my ram will run at.
I will post back tommorow and let you know how it is going.
Something I have been thinking about today is if I should go down to 10x333. Some weeks ago before I knew how to set most of my voltages I had 10x333 stable with most voltages on auto at 1.38vcore vs what I now need 1.41vcore for 8x425. I went ahead and fired it up(10x333) using 1.375vcore/1.56PLL and 1.24NB/1.28VTT with LLC enabled. Only had this running for about 30mins but the temps are not that different vs 1.41, only about a 2C drop. On small fft's test's my temps get up to 57C for 1.37 and 59C for 1.41 on the hottest cores. For me it will be a decision of how well my memory can perform at each FSBxMulti. For 333fsb I can run my memory at 1111mhz 3:5 and for 425fsb I can run at 1133mhz 3:4 both at 1.9v maybe lower. I think the extra heat from more vcore is not that bad but I would like to go from Static Read control disabled to enabled and possibly using the MemOC charger plus maybe setting the AI Clock twister and transaction booster to really push my memory at 1133mhz, but first I need to learn these settings better. What would you do, I really want to run faster then 3.2ghz and I would like to push my memory to it's limit. I now know about where I need to be in terms of voltage for my CPU it is only a matter of choosing best combo for my memory:up: Thanks:)
Edit: After thinking about it I think I am going to leave it at 8x425 and try some new settings for my ram. I looked through some other posts and thing I want to try...
5-5-5-15, trfc 55 and 1.9v
DRAM Static Read Control: Enabled(currently disabled)
DRAM Read Training: Auto
Mem OC Charger: Enabled(Currently Auto)
Ai Clock Twister: Strong or Stonger(Currently Auto)
Ai Transaction Booster: Auto
I guess I will try to get it to pass here with memtest86 and then try to pass 2 hour OCCT ram test. I just want to boost my performance since at my current settings my system is stable and I would like to see if I can push my ram a bit harder.
nVidia 7900GS
P5Q Deluxe
4x1GB 800MHz DDR2
Q9450
The sound seems to be mostly ok, although I sometimes get some pops/clicks in Teamspeak while playing a game. I think the vidcard issue may be driver-related although I'm not sure. I noticed I can reliably induce the effect when pushing under the ground in spectate mode in some HL2 mod maps where there is white under the ground. I guess it's basically a blind/HDR effect that I'm seeing.
Thanks for the input Spajdr, but I found out what was wrong. My psu had to be mounted upside down for the mrc320 to fit off the back of my case and it was causing the psu to overheat under a over clocked full load. So I've got a larger case on order now and I am running at 3.2 @ 1.4v.
Is 25MB/s burst rate in Nero DiscSpeed normal? I get 40MB/s on ICH9 motherboard. I tried all possible UDMA modes, I have SATA set to IDE, I checked Device Manager, DMA is enabled and it is set to UDMA5. I even tried SATA drivers, but I guess they are for that orange SATA7/8, my drives are on SATA4/5.
Hard drive burst is ok, just DVD-RW burst is too low (on both drives).
Heat can always be a reason too... doesn't have to be processor... ;)
Loadline lowers vdroop...
Yeah, it slightly increases it...
yes.
the CPU will need the same voltage under full load weather LLC is enabled or not. 1.3v with LLC enabled is more like 1.4v in reality (LLC disabled).
so yes, it would seem to as tho it magicly gives stability ;)
voltage being inverted, LLC enabled can also leave you unstable during idle and low load conditions.
Leeghoofd,
New symptom. Getting static in the sound until I restarted, on just about everything.
One thing I forgot to mention is that I'm using the digital output to an external d/a converter.
Does anyone know what the latest version of Prime95 and OCCT are. I have Prime95 25.6 and OCCT 2.0.0a. I also wanted to get SuperPi but I have vista64 and am not sure if any versions are compatible, if there is a version for vista64 please give me link to where I can download it from. Thanks:)
Use HyperPi under Vista instead. It's the same thing, just compatible with Vista...
superpi works just fine under vista 64
I use LLC to lower my idle voltage a bit. 1.424v idle and 1.432v load
Are you saying this is bad for some reason?
I use LLC on auto, so far I can not tell a difference at all between auto and enabled, maybe because they are the same thing, but one time I did have my system BSOD when switching to enabled. Since then I have just left it on auto.
Water cooling on cpu
ASUS P5Q Delux bios 0803
E8400
Cellshock PC8000 CL4
no boot on multip..x6 x7 is ok 590x7 fsb vcore 1.3850
bios set is 1.400v - vdrop it is 0.2500v in all vcore set.
PL 1.56v
FSB 1.36V
NB1,45V
MEM 5-5-5-15 2T 2.3V
STRAMP 400
Ned help to hit 600+ fsb
Hi guys, i've got some thinks to ask you :)
I'm going to buy a new P5Q motherboard but i don't know what model can I take. Which model do you suggest between P5Q DLX and P5Q WS? I don't know if P5Q WS is good for overclocking.. That is my doubt.
Thank you very much :)
how much does the DIMM overvolts, also 0.08v like on the maximus/rampage?
Heres a SS of my q6600 on a p5q-d. Just got it yesterday though.
I miss mine :( . I can't wait for newegg to over night the new one back to me. That is going to be a sweet day. They just recieved it today. I have been gaming on my Rig#2 since it crapped out on me and actually Rig#2 games almost just as good IMO.
you can add me to the list of Impressed P5Q-D owners. Got the board installed Monday night. Had a wee bit of time to play with it last night and without hardly any effort at all am running at 8 x 500 for 4ghz. And this is with none of the voltages in the yellow. I can see that I am going to like this board :up:
Why not try and fit it before you spend more money?
i will give it a try
i am fitting it probably saturday
i have seen someone fitting it and they had to bend the 3 lower fins down and cut the corner off of the fan bracket to get it to fit
if i cant get it to fit very well any recommendations for another one?
thanks
The ac7 pro fits on my p5q-e fine,though you do have to bend the lower couple of fins a bit down.
i will try it
saves a bit of cash :)
Newegg approved my rma already!! It should be on it's way back to me tomorrow latest. Everyone gather and pray to the newegg gods that they shine down on me tonight and ship it tonight lol.
After 2 week holidays and some heavy testing on my board, here are my settings which are 100% stable on Prime95, OCCT, 3DMark and loads of gaming. P5Q Deluxe; E8400; 4x1GB Team XTreem Dark; 9800GX2:
http://www.allsinclair.com/gfx/bios1.jpg
http://www.allsinclair.com/gfx/bios2.jpg
http://www.allsinclair.com/gfx/bios3.jpg
Hope they're useful :D
Thanks to everyone who helped, specially Leeghoofd.
Your CPU voltage is quite high for 450 fsb in my opinion.
My E8400 runs stable @ 1.25000. Of course each cpu is unique but still that voltage looks quite high for just 450 fsb for 45nm processor. U should be hitting maybe like 500 fsb wih those voltages :)
EDIT: Also I think you should try to play with performance level manually. I think PL 9 or 8 should work easily
EDIT2: But just a suggestion. If it ain't broken, don't try to fix it :D
But there is always room for some improvements if you willing to spend some more time :)
Then again if you happy with it then just enjoy. Nice OC either way :)
Hey guys, I am working on tweaking my memory. I want to have the best performance possible and am not sure what settings I should be using. Right now I am stable at 1133mhz with
Timings: 5-5-5-15 trfc 55
RAM Voltage: 1.94
DRAM Static Read Control: Enabled
DRAM Read Training: Auto
Mem OC Charger: Enabled
AI Clock Twister: Auto
AI Transaction Booster: Auto
I was also stable at 1.9v with Static Read Control disabled and everything else on atuo. I heard that enabling read control and mem oc charger helped boost perfomance. I tried setting AI Clock twister to Strong and that failed, what should I be doing here with the clock twister, transaction booster and read training??? Thanks
Hi, what about the problem with GTX260/280 and those condensers? My mobo is revision 1.03G, anyone has this one with nvidia GTX 260/280? IŽd like to conclude about which revisions are affected. Regards
Think it was early boards that were affected, they are all 1.03G revs... mine had 0506 bios on it and I could mount the GTX280 without an issue... maybe boards like BigJoe's, that one had 0302 bios on it, were the affected types...
look above... hope you can make PL8...
Remember he has 4 dimms , you have 2 (unless ya sig is incorrect), less stress on NB, with 2 x 2Gb dimms with 450FSB and 1081mhz I need 1.26 to be stable with them... and each board is different, so we can give guidelines but it's pretty hard to specify exact settings...
Is there anything I should do on first boot? My board is arriving tomorrow and I don't want to hurt my already abused E6600 any more.
I'm going to format and re-setup my RAID arrays even though I can just transfer them over... it's been a long time coming. Just need something where I can set those up again. I don't want to use that "quick" RAID stuff, I want to use ICH10R. Do I need a floppy drive?
Just don't leave any voltage for NB, PLL and FSB term at auto... nor at it's lowest level... might be a good idea to redo the RAID completely , I had some slow performance with my P5K dlx transfer to P5Q Dlx
Try the PL levels first, for me they bring the most gain in eg the bandwith tests after static read control... it might be that it boots at 8 but is far from stable. I usually do a quick test with a SuperPI 32MB for each core, so for a dual core 2 instances for a quad four... try 10-test-9-test-8... then if all is stable try moderate...much depends on ya rams... good luck...
I'm going to re-do my RAID completely... been planning to for a while.
What should I set those at for a 65nm dual core? I'm used to 975x voltages for nb, and I've never done anything with PLL or FSB termination or anything like that because the BIOS on my DFI Infinity doesn't have those options.
Start at stock speeds first... with the lowest voltages mentioned below... the voltages on the right are the max I would set for 24/7
All CPU GTL Voltage Reference:Auto
CPU PLL Voltage: 1.52-1.6
FSB Termination Voltage: 1.2-1.3
DRAM Voltage: caution ram overvolts +/- 0.08 so 1.92 is 2.0 in reality
NB Voltage: 1.12-1.3
NB GTL Reference: Auto
SBridge Voltage: Auto
PCIE SATA Voltage: Auto
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
CPU Clock Skew: Auto
NB Clock Skew: Auto
Keep us posted how it goes...
http://www.hardwarecanucks.com/forum...rd-review.html
google is ya best friend :)
What exactly is "FSB Strap to North Bridge"?
I'm finding better stability with Higher FSB's / Lower Voltages using 333Mhz instead of 400Mhz.
When I had FSB Strap to North Bridge set to 400Mhz, I couldn't get stability @ 3.8GHz (475FSB) even with 1.37v and all other volts set high.
With FSB Strap to North Bridge set to 333Mhz, I'm @ 3.8Ghz full rock solid stable with just 1.35000v and all other volts lower then I ever had.
Is there a negative to 333Mhz as oppose to 400Mhz?
That is interesting - if indeed that is the case, then why is all over this thread 400Mhz the recommended setting for FSB Strap to North Bridge? Not knowing much about this setting, I was quite honestly following the 'recommended'. By chance I happened to take a peek at another user's BIOS Settings, who was stable at 3.8Ghz with much lower voltages & settings then I was, who had 333Mhz, and I thought about giving it a shot. Seems to be working wonders for me.
edit..
This chip is a Q6600 L745A (VID 1.325)
Highest is 516
http://valid.x86-secret.com/show_oc.php?id=387853
4 core benchable 500fsb
http://img103.imageshack.us/img103/9...vantco0.th.jpg
I think your chip can do better than that.
Hmmm well I never went down to the 6x multiplier. I guess high fsb trumps high clock speed in all cases? Please post your bios settings, also which bios are you using? Oh ya and I have 2x2gb PC2-8000 (OCZ Platinum XTC), but one of my sticks is bad so I have to get it RMA'd.
I have same fsb with 803 and 1102 BIOSes
Most of the settings were on Auto in my 500+fsb runs!
The ones that I mannualy set are the following
CPU Ratio Setting: 7
FSB Strap to North Bridge: 333
FSB Frequency: 500
PCI-E Frequency: 101
DRAM Frequency: 1000
DRAM Timing Control: Manual
CAS# Latency: 5
DRAM RAS# to CAS# Delay: 5
DRAM RAS# Precharge: 5
DRAM RAS# Activate to Precharge: 15
AI Transaction Booster: MANUAL
Performance Level: 10
Pull-In of CHA PH1: DISABLED
Pull-In of CHA PH2: DISABLED
Pull-In of CHA PH3: DISABLED
Pull-In of CHA PH4: DISABLED
Pull-In of CHB PH1: DISABLED
Pull-In of CHB PH2: DISABLED
Pull-In of CHB PH3: DISABLED
Pull-In of CHB PH4: DISABLED
CPU Voltage: 1.500
DRAM Voltage: 2.02
NB Voltage: 1.5 (probably can be much lower, but I didn't try)
Load Line Calibration: Enabled
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
CPU Margin Enhancement : Optimized
Advance CPU Settings
All settings: Disabled
1.5v on the northbridge for 500fsb!???
Hi,
is it good settings for Q9450 for 3200Mhz?
I'm not sure about CPU GTL Voltage, is 0.63 safe for this CPU?]
Thanks
FSB Strap to North Bridge: 333
FSB Frequency: 400
PCI-E Frequency: 100
DRAM Frequency: 801
DRAM CLK Skew on Channel A1: AUTO
DRAM CLK Skew on Channel A2: AUTO
DRAM CLK Skew on Channel B1: AUTO
DRAM CLK Skew on Channel B2: AUTO
DRAM Timing Control: AUTO
CPU Voltage: 1.22
CPU GTL Voltage Reference (0/2): AUTO
CPU GTL Voltage Reference (1/3): AUTO
CPU PLL Voltage: 1.52
FSB Termination Voltage: 1.1
DRAM Voltage: 1.82
NB Voltage: 1.2
NB GTL Reference: AUTO
SBridge Voltage: AUTO
PCIE SATA Voltage: AUTO
I am running the 400 strap on my p5q-e/E6750 fine,400fsb/800 ram 1:1 400strap.
That is the exact same thing that happens to my Q6700! About 1 month ago I tried 400fsb strap and no boot at all. In fact I had to clear my CMOS because I couldn't restart or anything, and then when I did get CMOS cleared and settign restored minus the strap I was no longer stable at my previous setttings so I think I screwed something up somehow, I will never use 400strap again out of fear.:confused: