Yes temps are fine. I don't know why Orthos has decided to fail after 9 hours but to be honest I'd just keep your system as it is. Nothing you do from day-to-day will stress it like that, or at least it's very unlikely. :)
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Yes temps are fine. I don't know why Orthos has decided to fail after 9 hours but to be honest I'd just keep your system as it is. Nothing you do from day-to-day will stress it like that, or at least it's very unlikely. :)
hello...I want to ask you, how much is overclocking potential on E8400 with batch number Q818A210, it is revision C0...thanks
It's impossible to base overclocking potential on batch number alone - every batch has good and bad chips; some batches have more good than bad chips and they are misleadingly called "good" batches. Most E8400s do 4GHz quite easily, however the C0 chips tend to get a lot hotter than the E0 chips. :up:
i wanted to go over 4.0 though, as you can see the memories can go at least 500 i havent tried more, what can i do to go up to 4.2 then?
4200/9 = 467, so that should be the speed of your FSB and memory for 4.2GHz. You will need more CPU volts but since you already have 500FSB stable you shouldn't need to change much else.
These are my settings at the moment...
Ai Overclock Tuner ................. [Manual]
CPU Ratio Setting .................. [9]
FSB Frequency ...................... [466]
PCIE Frequency ..................... [100]
FSB Strap to North Bridge .......... [Auto]
DRAM Frequency ..................... [933]
DRAM Clock Skew on Channel A1 ...... [Auto]
DRAM Clock Skew on Channel A2 ...... [Auto]
DRAM Clock Skew on Channel B1 ...... [Auto]
DRAM Clock Skew on Channel B2 ...... [Auto]
DRAM Timing Control: Manual
1st
CAS# Latency : 5
RAS# to CAS# Delay : 5
RAS# Precharge : 5
RAS# ActivateTime : 15
RAS# to RAS# Delay : Auto
Row Refresh Cycle Time : Auto
Write Recovery Time : Auto
Read to Precharge Time : Auto
2nd
Read to Write Delay (S/D) : 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 (D) : Auto
3rd
Write to Pre Delay : Auto
Reado to Pre Delay : Auto
Pre to Pre Delay : Auto
All Pre to Act Delay : Auto
All Pre to Ref Delay : Auto
DRAM Static Read Control ........... [Disabled]
DRAM Read Training ................. [Disabled]
MEM. OC Charger .................... [Enable]
Ai Clock Twister ................... [Auto]
Ai Transaction Booster ............. [Auto]
____________________________________
CPU Voltage ........................ [1.35]
CPU GTL Voltage Reference (0/2) .... [Auto]
CPU GTL Voltage Reference (1/3) .... [Auto]
CPU PLL Voltage .................... [1.54]
FSB Termination Voltage............. [1.30]
DRAM Voltage ....................... [1.98]
NB Voltage ......................... [1.26]
NB GTL Reference ................... [Auto]
SB Voltage ......................... [Auto]
PCIE SATA Voltage .................. [Auto]
____________________________________
Load-Line Calibration .............. [Enable]
CPU Spread Spectrum ................ [Disabled]
PCIE Spread Spectrum ............... [Disabled]
CPU Clock Skew ..................... [normal]
NB Clock Skew ...................... [normal]
CPU Margin Enhancement ............. [optimal Mode]
What do you think Lenny?
I ran IBT but after that i ran prime95 but computer just froze after 20min, then i tried to restart and when it got to windows it just restarted by it self... damn :( whats wrongs? what am i doing wrong here? do i need more volts anywhere? those are my latest settings but couldnt get it stable...
Here is mine
Batch# Q831A779
I will try to push it further, still learning about all of this so ill get there eventually.
I thought it wasn't too bad for a days effort :D
Its stable with Linpack/Prime95 etc etc. Can run for hours no problems
Great Job at them Volts at a High Oc:up:Quote:
Originally Posted by R31Nismoid
Thats what i wanted on mine but seems like im the only one getting problems getting there, if there were people here with a P5Q Deluxe and a 8400 that could give me a hand...
Quote:
Originally Posted by bigwill68
Thanks :)
I will drop the vcore a little as i go, its stable as it gets for now.
I did attempt 4.5ghz, but keeps crashing on SuperPI 32M
So ill have to do some more reading i think and work that out.
Boots to windows no worries @ 4.5, just not stable but then i might need more volts still. Something for another day
Actually under load its 1.296vcore - seems it wasnt loaded enough when i took the screen dump :)
I tried these settings:
Ai Overclock Tuner ................. [Manual]
CPU Ratio Setting .................. [8,5]
FSB Frequency ...................... [495]
PCIE Frequency ..................... [100]
FSB Strap to North Bridge .......... [Auto]
DRAM Frequency ..................... [990]
DRAM Clock Skew on Channel A1 ...... [Auto]
DRAM Clock Skew on Channel A2 ...... [Auto]
DRAM Clock Skew on Channel B1 ...... [Auto]
DRAM Clock Skew on Channel B2 ...... [Auto]
DRAM Timing Control: Manual
1st
CAS# Latency : 5
RAS# to CAS# Delay : 6
RAS# Precharge : 6
RAS# ActivateTime : 18
RAS# to RAS# Delay : Auto
Row Refresh Cycle Time : Auto
Write Recovery Time : Auto
Read to Precharge Time : Auto
2nd
Read to Write Delay (S/D) : 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 (D) : Auto
3rd
Write to Pre Delay : Auto
Reado to Pre Delay : Auto
Pre to Pre Delay : Auto
All Pre to Act Delay : Auto
All Pre to Ref Delay : Auto
DRAM Static Read Control ........... [Disabled]
DRAM Read Training ................. [Disabled]
MEM. OC Charger .................... [Enable]
Ai Clock Twister ................... [Auto]
Ai Transaction Booster ............. [Auto]
____________________________________
CPU Voltage ........................ [1.37]
CPU GTL Voltage Reference (0/2) .... [Auto]
CPU GTL Voltage Reference (1/3) .... [Auto]
CPU PLL Voltage .................... [1.56]
FSB Termination Voltage............. [1.30]
DRAM Voltage ....................... [1.98]
NB Voltage ......................... [1.30]
NB GTL Reference ................... [Auto]
SB Voltage ......................... [Auto]
PCIE SATA Voltage .................. [Auto]
____________________________________
Load-Line Calibration .............. [Enable]
CPU Spread Spectrum ................ [Disabled]
PCIE Spread Spectrum ............... [Disabled]
CPU Clock Skew ..................... [Auto]
NB Clock Skew ...................... [Auto]
CPU Margin Enhancement ............. [Optimal Mode]
And i got this...
http://img300.imageshack.us/img300/9179/45213872hz6.jpg
only ran 6min...
Godmyster, why the 8.5 multi? You'll need more vcore the lower the multi. I'm really lucky to have a chip that can prime at 1.35 vcore 4.41GHz, but that's 9.5 multi. Overclocking is no easy task, so don't expect 4.2GHz to fall into your lap if you're not experienced. :)
This is my results. I think it's perfect for C0 :clap:
This is what i tried on my last run...
http://img383.imageshack.us/img383/8861/99550072rk2.jpg
i want to get to 4.2 at least!!! :confused: :confused:
Try those first, maybe little NB increase / more vFSB too. If those doesnt help more Vcore to go!Quote:
Originally Posted by Godmyster
How do you know when to change the CPU and NB clock skews?
I know at first when..I got mine..I went straight to 4.5ghz to see if would do it and it did but was'nt stable and the volts was high...It's kinda fun to find out where you can be stable at with certain amount of volts you need to the Ghz speed right now I'm at 1.296vcore under load at 4.104ghz..and testingQuote:
Originally Posted by R31Nismoid
how far..I can drop the vcore volts to be stable at 4.1ghz less volts less heat
also..
Ye i was wondering if it was a matter of giving it more volts to get it stable or not, something i didnt have time to do that day.
I just let my mobo recover from the crash and just backed it off again.
Must admit the recover of this mobo is great without having to hit reset buttons etc etc (been a few years, so tech obviously has come a long way)
I reckon i can maybe drop it 1-3 points (lots of options in my BIOS), maybe even 4... but testing that will take a while with each drop.
I will add more once i go faster, or drop... or both!
I'm fairly sure the memory i have is A-OK, i could probably even drop those timings a little as well, although what gains ill get remain to be seen
Looks like you got a pretty nice chip.Quote:
Originally Posted by R31Nismoid
You are right... to get 500x9 stable will require more voltage to vcore and possibly MCH/VTT.
cranked this out yesterday
http://i48.photobucket.com/albums/f2...table45ghz.jpg
crap vid cpu though 1.25 but its low volts high oc so whatever.
batch q824a540
E8400 Q832A446 : stable at 4.3 with 1.22 under load, and boot Windows at 5 with 1.37...in progress
Sounds like a great chip! What is the VID? and how are the temps at 1.35v and above?Quote:
Originally Posted by rastaseb
My E8400 Q832A161's overhead noticeably drops once past 4.7. If you are really feeling ambitious... how about trying to get 533x9 stable.
Quote:
Originally Posted by carepolice
No go there, computer froze running Orthos after like a 1min, how do i know what batch i have?
If you bought a retail box cpu... the fpo/batch number will be listed on the box label. It is also printed on the actual cpu heatspreader.Quote:
Originally Posted by Godmyster
It's on your box FPO/BATCH# <it will look like that:yepp:Quote:
Originally Posted by Godmyster
Quote:
Originally Posted by PolRoger
VID is 1.2125 but it's getting very hot : 65 max under OCCT at only 1.26 (4.4 stable)
max FSB is 641 (Nh-C12p)
Mine is 1.2250 and it runs hotter than my 1.25 vid E8600. I started out testing with the Xigmatek but with higher volts the temps were harder to manage. I switched to a TRUE with a Sanyo-Denki San-Ace but I think I'm going to end up runnning it under water.Quote:
Originally Posted by rastaseb
my fpo/batch #: Q822A559 thats whats on the Box anyone know if these are any good?
now that's a question that is hard to find out unless someone with the sameQuote:
Originally Posted by Godmyster
batch# is having pretty good luck with theres ok sense we got the batch#
post that in your sig along with the (Pack Date) and the (Spec ID) so we
can see when it was packed up in the box:clap:
Here are the results from an E8400 Q829A147 I picked up from Microcenter today.
Well, here's my new 24/7 OC. It's not the greatest chip, not the worst. Coming from an E4400 it's sure made me happy!
FPO/Batch #: Q829A078
Pack Date: 9/8/08
500 x 8.5 = 4.25GHz @ 1.344v
http://www.myalbumbank.com/albums/us...0/boxlabel.jpg
http://www.myalbumbank.com/albums/us...dingat4-25.jpg
With my e8400 in ORTHOS at 467x9.0 1.296v (cpu-z) i getting error on core2 after ~30sec Small FTTs testing. Which option in BIOS should i tweak to get better stability?
still havent got mine running right, for some reason it looks like i am the only person that owns a e8500 from batch Q750A071, i dont see any Q750 in the 8500 list at all and am running 440x9.5 atm @ 1.35v but it isnt stable at all, i dont really think i have passed orthos on anything other then stock with this guy! Been tempted to give it up and throw him in ebay and get myself a E8600 and try from there, was really happy to get this CPU after reading all the tests on it but mine doesnt clock at all!
Anyone got a suggestion?
Hello guys,
I have bought a E8400 from the batch q832A88, do you have any infos about this batch in particular?
K thanks bye.
Anyone help me out with some overclocking? I have the E8400 FPO/Batch# Q833A110. Im running an Asus P5Q board, Ive been testing stability with Intel's Burn Test and get it to pass level 2 stress @ 10 passes with any settings but fails level 1 immediately. At idle Im sitting 31 / 29 and under stress test 2 I maxed out at 61 / 61.
System:
E8400
Asus P5Q Pro
Corsair 650TX
G. Skill DDR2-1066 4GB
EVGA 9500gt
Ultra Chilltec CPU Cooler
Settings:
FSB 450
Multiplier 9.0
DRAM DDR2 Frequency - 1081
SB 1.20
NB 1.40
CPU GTLREF 0.63x
PLL 2.0
1.33v but shows up as 1.312 in cpu-z
AI Clock Twister on light
some voltages are too high :
Vnb : 1.24 max
GTlLref: 0.61
PLL : don't go higher than 1.7 for benchs /1.5 for 24/7
try again with those voltages, il could be better!
Yeah I went through and dropped a everything down lower and to auto. Anyone here pass intels burntest? I've read that others have ran their over clocks for 10+ months stable but run test 1 on IBT and fail immediately like I do.
If you don't mine there..Would you please post your specs of your RigQuote:
Originally Posted by platinumjason
in your Signature so everybody knows what your working with:up:
Thanks!!!
I need help with OCing my E8400 to 4.0 GHZ. I recently just got
Asus P5QL PRO
E8400
Antec 900
GameXstream 600 watt
I have the E0 stepping, and I heard they can OC like mad, like 4.5 on air. I hit 3.6 GHZ by just changing the FSB, then when I hit 3.8 it wouldn't boot, so I only changed the FSB voltage to 1.3v and the NB to 1.2 and it works. I have no errors on prime 95 at all, not even once. This is where I hit a road block. As soon as I go past 430 FSB, there's a 50% chance it won't boot (post) and will reset. When it does boot, prime 95 runs perfectly stable, and so does the rest of my PC. I just don't get it. It's perfectly stable, but my motherboard is lazy to post at that speed. Temps are 41C after 2 hours of prime 95 on Freezer 7 pro. I thought it was my old Corsair DRR2667 ram thats running at 845 mhz, but prime 95 Ram test still has no errors after 2 hours. I tried changing ram timings, nothing. Tried changing CPU voltage, ram voltage, nothing. FSB and NB seemed to get me to 3.8, but I can't get past it. I'm thinking it's just the board, but I also haven't tried SB voltages or CPU stew settings, and a bunch of others, but they don't really seem relevant.
If anyone can help me, I would really appreciate it.
tried nother run and got this..
http://img246.imageshack.us/img246/5461/43721744ij6.jpg
And these were the settings...
Ai Overclock Tuner ................. [Manual]
CPU Ratio Setting .................. [8]
FSB Frequency ...................... [530]
PCIE Frequency ..................... [100]
FSB Strap to North Bridge .......... [400]
DRAM Frequency ..................... [1060]
DRAM Clock Skew on Channel A1 ...... [Auto]
DRAM Clock Skew on Channel A2 ...... [Auto]
DRAM Clock Skew on Channel B1 ...... [Auto]
DRAM Clock Skew on Channel B2 ...... [Auto]
DRAM Timing Control: Manual
1st
CAS# Latency : 5
RAS# to CAS# Delay : 5
RAS# Precharge : 5
RAS# ActivateTime : 15
RAS# to RAS# Delay : Auto
Row Refresh Cycle Time : Auto
Write Recovery Time : Auto
Read to Precharge Time : Auto
2nd
Read to Write Delay (S/D) : 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 (D) : Auto
3rd
Write to Pre Delay : Auto
Reado to Pre Delay : Auto
Pre to Pre Delay : Auto
All Pre to Act Delay : Auto
All Pre to Ref Delay : Auto
DRAM Static Read Control ........... [Disabled]
DRAM Read Training ................. [Disabled]
MEM. OC Charger .................... [Auto]
Ai Clock Twister ................... [Auto]
Ai Transaction Booster ............. [Auto]
____________________________________
CPU Voltage ........................ [1.35]
CPU GTL ............................. [Auto]
CPU PLL Voltage .................... [1.52]
FSB Termination Voltage............. [1.34]
DRAM Voltage ....................... [2.0]
NB Voltage ......................... [1.26]
NB GTL Reference ................... [1.26]
SB Voltage ......................... [1.20]
PCIE SATA Voltage .................. [1.50]
____________________________________
Load-Line Calibration .............. [Enable]
CPU Spread Spectrum ................ [Disabled]
PCIE Spread Spectrum ............... [Disabled]
CPU Clock Skew ..................... [Auto]
NB Clock Skew ...................... [Auto]
NB probably needs more juice for that high of an fsb.
If you increase multi back to 9 and drop fsb for same ghz you might get it (if you don't bump up NB).
it wont go on multi 9 i really dont know why...
I put my infor in on what..I'm running Ic your ram is not running at 2.1v and your SB volts are under as well in your bio's turn your DRAM Frequency downQuote:
Originally Posted by Godmyster
alittle 913 if you you got that but one under your 1060 and your volts up and just stress the cpu only and run a ibt test and see what happens:up: another thing what Bio's did you have? are they the 1406 bios?
A little more playin around this morning. This is not prime stable but enough to pass 32m and surf :)
http://i544.photobucket.com/albums/h...95x490_32m.jpg
nice. looks like similar results to my chip, what is your stepping?
I got my new E8400 E0 this afternoon, and so far I'm pretty amazed. I thought this cpu was a dud at first, as it would not boot above 4.0 GHz at any voltage. Then I turned down the VTT to 1.1v and now it o/c like crazy! Here is as far as I got with the ram @ 585 Mhz with 2.1v. I tried 4460 MHz with the same settings, but Orthos crashed...still much tuning to do!
This thing really likes Vcore over 4.6'ish:
http://www.myalbumbank.com/albums/us...0/4811CPUz.jpg
Validation.
http://www.myalbumbank.com/albums/us..._4-811sp1m.jpg
Not a great E8400, but at least it's not a C0! :)
Nice, I'm going to try 1.1v CPU term when i get my board backQuote:
Originally Posted by Xvys
try 8.5 then @ 445, why wont it go to 9? It should standard.Quote:
Originally Posted by Godmyster
Also try 500 x8 etc etc, a bit of trial and error. Dont just select one and then give up the ghost
Get the FSB first as i (like others) reckon its the ram, when your running that high in 1:1
I can do 8x515 but im gonna get other rams and another batch, btw what rams do you recommend for this board?
did some priming today. i love this chip :)
http://img156.imageshack.us/img156/2...lle8500io0.png
Hi. I get a new 8400. It's 1.25 VID and Q832A886 Batch
Is it good for oc? Sry but i'm new at this. What configuration do you recomend me for start at oc?
Cheers
Anyone still using an Abit IP35 pro with E8400?
Possibly Gskill F2-8000CL5D-4GBPQ ram?
If so, could you post your settings. I am running into some problems after trying to get 500 FSB and it's not running stable now.
Thank you
My 24/7 settings 100% stable :
AI Overclock tuner: MANUAL
CPU Ratio Setting: 8
FSB Strap to North Bridge: 333
FSB Frequency: 550
PCI-E Frequency: 103
DRAM Frequency: 1102
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: MANUAL
1st Information :
CAS# Latency: 5
DRAM RAS# to CAS# Delay: 5
DRAM RAS# Precharge: 5
DRAM RAS# Activate to Precharge: 15
RAS# to RAS# Delay : 3
Row Refresh Cycle Time: 50
Write Recovery Time: 5
Read to Precharge Time: 3
2nd Information :
READ to WRITE Delay (S/D): 8
Write to Read Delay (S): 3
WRITE to READ Delay (D): 5
READ to READ Delay (S): 4
READ to READ Delay (D): 5
WRITE to WRITE Delay (S): 4
WRITE to WRITE Delay (D): 5
3rd Information :
WRITE to PRE Delay: 10
READ to PRE Delay: 5
PRE to PRE Delay: 1
ALL PRE to ACT Delay: 5
ALL PRE to REF Delay: 5
DRAM Static Read Control: ENABLE
DRAM Read Training: ENABLE
MEM. OC Charger: ENABLE
AI Clock Twister: MODERATE
AI Transaction Booster: Manual
Common Performance Level [10]
Pull-In of CHA PH1: ENABLE
Pull-In of CHA PH2: ENABLE
Pull-In of CHA PH3: ENABLE
Pull-In of CHA PH4: ENABLE
Pull-In of CHB PH1: ENABLE
Pull-In of CHB PH2: ENABLE
Pull-In of CHB PH3: ENABLE
Pull-In of CHB PH4: ENABLE
CPU Voltage: 1,43
CPU GTL Voltage Reference (0/2): AUTO
CPU GTL Voltage Reference (1/3): AUTO
CPU PLL Voltage: 1,56
FSB Termination Voltage: 1,26
DRAM Voltage: 2,1
NB Voltage: 1,28
NB GTL Reference: AUTO
SBridge Voltage: AUTO
PCIE SATA Voltage: AUTO
Load Line Calibration: ENABLE
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
CPU Clock Skew : Auto
NB Clock Skew : Auto
CPU Margin Management : Performance
Bump :) I need help getting my E8400 stable at 4 GHZ. Specs are
E8400
P5Q Pro
4850 @ 680/1080
A-Data DRR2 800
600 watt PSU
This is really, really frustrating me guys. Read carefully. I have been trying to get it stable at 4Ghz for 2 days now. I have tried every single possible combination of bios settings you can think of, to get this damn thing to stop restarting in games at 4Ghz. I have tried Vcores inbetween 1.225v (stock) and 1.45v, and it doesn't matter what voltage I use, at 4GHz and my PC eather crashes, locks up, or locks up and restarts finally in a game (Crysis). FSB:RAM ratio is 1:1 so ram runs around 900mhz. I have tried setting the PLL voltage from auto to 1.5, to 1.6, and still can't keep it from crashing. Tried FSB voltage at 1.2 and 1.3, it crashes. I can't even get into windows at 1.35v FSB. At 1.4v FSB my PC is stable, but locks in games about 15 minutes later. Northbridge voltage needs a minimum of 1.5v to even boot into windows, and at 1.56v, still reboots after 15 minutes in a game. I have messed around with SB voltage, PCIe sata voltage, still nothing. Some bios settings combinations won't get it into windows, some do but freezes, others just simply restart, and some will get into a game but then restart. Sometimes though, I am able to boot at 1.3 FSB / 1.4 NB, but my Vista theme changes to classic, steam doesn't start, CCC crashes, etc.
I'm pretty sure it's not my ram. I tested it at 925 Mhz and it's stable. What's weird is, prime 95 and orthos has never, ever errored in the whole 2 days I have been at this, not even once. It's really frustrating. What's more frustrating is temps on the CPU don't exceed 43C (AC7 Pro). The only problems at 4GHZ I am experiencing is eather lockups/restarts at boot, or lockups in games then I have to restart. I changed Dram from auto to 1.8 and games ran for about 10 minutes more before locking up, but that's it. Changed FSB straps, nothing. I have features like C1E, speedstep, TM function all disabled. I enabled OC charger, disabled the 2 options above (That say if it's disabled it helps with ram ocing), and still can't get it stable. I disabled both the spread spectrums, and have load-line calibration on. Margin enchancement is at performance. I just don't get what the hell is wrong. I have the E0 stepping, and many people on here can reach 4.4 with this board and let alone, a 500 fsb (with 8x multi). I am just ready to pull my hair out :mad:
I haven't messed around with Dram timings, PCIe frequency, changing divider to 8 and increasing FSB to reach 4 GHZ (Which I doubt my DRR2 800 can hit 1000 mhz), AI transaction booster, AI clock twister, CPU GTL ref, and clock stews. And I don't think the CPU nor Mobo is faulty, because it's running at 3.85 GHZ with stock voltages (1.225v) and everything. As soon as I go 50mhz more, all these problems start.
If anyone can help me, I seriously need an explanation to this. It's getting late so hopefully I'll get a reply in the morning :)
sys? nice results wc?Quote:
Originally Posted by babalouj
batch? air cooling?Quote:
Originally Posted by gurusan
Dark Energy-
Orthos and prime95 running make me think it is your RAM. Loosen up your timings and up your DRAM voltage a bit, try 1.9V. Can you pass memtest?
Turn off load line calibration.
Windows changing to classic? Did you corrupt your windows installation. You should never mess around with sata and PCI buses. Maybe a Mhz her or there on the PCIe.
Its not the windows, its the bad OC that is making things go haywire with his stuff lol.Quote:
Originally Posted by Rickpatbrown
Nothing wrong with his installation. But i agree, dont mess with PCI / SATA bus. you can take a HD or two out like that
Okay, what I'll do is try what I did before and get it to at least boot into windows, then I will do a memtest.Quote:
Originally Posted by Rickpatbrown
Windows only goes to classic when I don't raise NB voltage high enough, which is really odd.
Okay. I think it's a problem with the FSB or Northbridge or something. Tried 445 x 8 and still same problems, so CPU is not the issue. Increased ram timings and voltage, same problems. I still am leaving it at those settings to push it aside for the current problem. In order to boot into windows I had NB at 1.3v, but it crashed and restarted. Changed NB to 1.4v and it stopped crashing, but still froze and restarted. Then I changed the FSB voltage to 1.26v then 1.3v and still had it freezing. Now I just changed the FSB to 1.36v and haven't had it crash yet except in a game. This is what everything is running at right now. I'm still confused because people are hitting 4.4 GHZ with just 1.26 FSB and 1.3 NB on this board. Jesus, does the NB really need 1.5v and FSB 1.4v?
What's the next step?
To eliminate your ram as the problem, try running your ram at 2.1v, set the timings to 5-6-6-18, and set your ram tRFC timing to 54 (my ram defaults to 36 tRFC on AUTO which causes instability on higher o/c), and DISABLE your Transaction Booster to lower your Performance Level for testing.
On my Asus P5K-P/E8400 system, increasing the VTT (FSB Term Volt) seems to reduce stability. I run mine at 1.1v @ 4320 MHz (480 x 9), with 1.5v PLL, 1.4v NB, 2.1v ram. I believe Intel's maximum recommend VTT is 1.115v.
Ok I will try that. But what if your default ram voltage is 1.8? Wouldn't 2.1 hurt it?
2.1v is ok, especially for short term testing. Some performance ram, like my Crucial Ballistix, are rated to run at 2.2v. I run mine at 2.1v, 24/7. You will never be able to o/c your system to run stably above 400 FSB with only 1.8v.
Oh I see, I guess it could explain problems then. Haven't tried your suggestion yet but I will, and I currently am running at 433 x 9 now, but still having stability issues. I tried 1.1 VTT and it BSODs while loading :( so maybe it does need at least some VTT increase.
Nope. That did nothing. I'm still having to bump the FSB voltage and NB voltage very high to get it to at least boot into windows.
Update: I changed the FSB to 428 so the CPU runs at 3.85 and was still getting lockups and restarts, which scared me because it's never happened before that low. So I then changed the tRFC to 55 and it worked, but now crashes to the desktop in games. I think I'm getting there. I will try upping the voltage from 1.8 to 1.9 (Currently at auto), even though the ram is not being OCed that much (DRR2 800 with 1:1 ratio so only a 56 MHZ increase)
the VTT question still bugs me. I'm at 3.6ghz 24/7 stable and at cpu VTT @1.1v. while the vcore is at horrendous 1.28v. Will increasing the VTT allow me to lower the vcore?
Note: edit: will get another e8400
try 1.18 -1.20 vtt and adjust your gtl refs. With 1.20 vtt I have mine set to .655/.655
Just got a E8400 Q822A521, seems only E8600 where Q822, untill now.
I've had 2 q822a e8500's for a while now - see the link in my signature =)Quote:
Originally Posted by nullface
Watercooled Q828A127Quote:
Originally Posted by MrHydes
I'm getting a E8400 Q807A tomorrow. Please, let it have a low vid lol.
Oh and its an old C0 stepping :)
Your problem is puzzling...your E0 should easily be doing 4GHz on about 1.25v real, so ≤1.3 BIOS. I would say it's an FSB issue but your mobo should easily make 445FSB for 4GHz with very little increase in voltage. Have you run memtset? Sometimes an unstable OC means simply that something is damaged/corrupted, unfortunately. :(Quote:
Originally Posted by Dark-Energy
Yeah I don't get it. If I run at 450 fsb sometimes it won't even go through the loading screen to windows. If I restart it at same settings, sometimes it will boot into windows. If I restart it again with the same exact bios settings, it will sometimes freeze when loading the bars. All the stress tests like orthos prime 95 and mem test run without any issues for 3-4 hours, or until the system hangs and restarts.
When I do get into windows at that high of fsb, the VTT needs 1.3v at least to stop the windows theme from changing to classic, and to stop CCC from crashing, and to stop windows host process to from working. NB also needs like 1.42v
I'm thinking it's an issue with ACPI or something, so I'm going to adjust all my bios settings and reformat.
I hope it's not your mobo playing up. I had 465 FSB stable (orthos, dual super pi 32m) but then my PC started to crash randomly in games just like yours, and sometimes it would freeze at POST which was very annoying. I'm blaming it on the 680i mobo because my other components are very capable but the 680i is notorious for FSB holes. I'm now down to 4.3GHz @453 FSB and will continue to go down until I get no random crashes/reboots. Good luck with the reformat. :up:
Here's my new 24/7 clocks (for the time being). Still playing with chipset/HT voltages.
BIOS values:
CPU 1.3625v
FSB 1.3v
Mem: 2.1v
NB: 1.5v
SB: 1.6v
HT: 1.5v
http://i293.photobucket.com/albums/m...9064_3_3_9.png
What did you do now to make it stable Gurusan ?
Got another cpu the other day E8400 popped it in the machine with TRUE 120 and I have stuck sensors core temp shows 28 and 40 or something the on core will go up and if the second goes over 40 it seems to work. it E0 so im happy about that I plan on Dry icing it and keeping it on the single stage but its just upsetting for a brand new chip
Uh i have been lucky this time, im testing my E8400 Q822A521 :D
As we speak im running Prime95 4235MHz 1.248V on JR P45, so far only 5min but still going :D
Cooling TRUE Black and 2 P12's.
vNB: 1.4V
VTT: 1.32
GTL 0/2: 0.61x
GTL 1/3: 0.61x
GTL NB: 0.57x
EDIT: 30min, need lapping hit 64C Load for a short piriod of time
Got my gtl refs right and my memory stable :)Quote:
Originally Posted by Leeghoofd
1.2VTT and .655/.655 gtl ratios
Nice. I'm also now playing with gtl's, it really helps getting stable with higher clocks on lower voltages. :up:Quote:
Originally Posted by gurusan
http://img61.imageshack.us/img61/9641/rrr2zr9.th.jpg
:D still need a lot of tweakning, the board acts like it has a mind of its own, and my TRUE Black need's lapping.
Only ran half an hour Prime, having some boot problems i need to fix befor i want to make a full test.
Wow... It's been a long time since I've been around these forums now.
Finally upgraded to what's in my sig from a AMD64 3200 with 1024mb of ram...
Big difference in speed and overall performance.
I finally started messing around with the bios and this is what I've come up with so far...
Anyone have a similar setup that's willing to help me out with all of the bios settings?
I cant wait to rip up my E8400 once my board is back from rma might do some biostar DICE benching though
Okay reformatted didn't do anything :(
Once again, specs are
Antec 900
GameXstream 600 watt
P5Q Pro
E8400 E0
Powercolor 4850
A-Data DRR2 800 5-5-5-18
Settings are
AI Overclock tuner: MANUAL
CPU Ratio Setting: 9
FSB Strap to North Bridge: 333
FSB Frequency: 445
PCI-E Frequency: 100
DRAM Frequency: 890
DRAM Timing Control: MANUAL
CAS# Latency: 5
DRAM RAS# to CAS# Delay: 5
DRAM RAS# Precharge: 5
DRAM RAS# Activate to Precharge: 18
RAS# to RAS# Delay : auto
Row Refresh Cycle Time: 55
Write Recovery Time: auto
Read to Precharge Time: auto
DRAM Static Read Control: auto
DRAM Read Training: auto
MEM. OC Charger: ENABLE
AI Clock Twister: auto
AI Transaction Booster: auto
CPU Voltage: 1.256 (1.224 with vdroop, tried 1.35 but had same issues)
CPU GTL reference: 63x
CPU PLL Voltage: 1.58
FSB Termination Voltage: 1.34 (won't even get past loading screen if any lower)
DRAM Voltage: 1.9 (from 1.8)
NB Voltage: 1.44 (will freeze instantly in windows if any lower)
SBridge Voltage: 1.3
PCIE SATA Voltage: 1.6
Load Line Calibration: Disabled
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
CPU Clock Skew : Auto
NB Clock Skew : Auto
CPU Margin Management : Optimized
Still freezing, random rebooting. Prime 95/Orthos runs stable for hours, or until the PC decides it feels like rebooting. The problem is, I can't crack down on the exact problem. Sometimes it boots into windows and runs fine for 2 hours then freezes, and other times it won't even get past the loading screen, in the same exact settings. So while I think changing a setting might have fixed the issue, it's just the randomness of the freezing that does. Also, when I do get into windows, it seems really awkward. Like slower, and really sluggish. And the windows logon sound happens before the logo even appears, but when I back down to 400fsb, it runs faster, but my FPS in games goes down (obviously).
Tried disabling static read control and read training and won't even post, but it used to. Maybe it's cause the settings were different or something. I only have execute disable bit enabled in the CPU config but everything else is disabled. I thought it was memory remap in NB config so I disabled it, but nothing changed.
:shrug:
E8400 Q828A351 and a couple of hours of Prime95 at 500x8 @ 1.31v
http://img253.imageshack.us/img253/2...0x8rln9.th.jpg
Dark-Energy, I think it's the ram thats holding you back. I have some of that A-Data and it doesn't like anything over 420 or so. I have a set of these G Skill's running 550 at 1.9v. Can't beat em for only $50
I thought it was my ram holding me back but it was actually my CPU vcore. I need quite a lot more vcore going from 9.5 multi to 9 multi, but look at my memory bandwidth with the FSB at 1900MHz and you'll see why this is my new 24/7 clock. :D
My friend just got a new E8400 and I'm wondering if this is a good batch?
Q836A097?
Guys, I got the sudden problem.
I have been using my new E8400 E0 for 6 weeks. 500x8 @ Vcore=1,160. I stressed it with Lipack, Prime95, MemTest3.8, OCCT, SuperPi. Absolutely no problems, BSODs. Full stable. But now I can have 2-3 automatical reboots per day. I decided to encrease Vcore by 3 notches up to 1,192. It seems the problem have been resolved.
Is it possible my chip "degradated" and now it needs more volts? :(
Anyone has info on Q827A353 (8500)?
I cant find a single reference in google.
http://www.imageshack.gr/files/xxm5n8ruh10zhx6ga8mi.jpg
Q835Α420 , Zalman 9700NT @ 1200rpm , 55C full load. awesomeness
on a DFI p4 DK plus
I've got a Q827A353 8500 in my rig (in sig), but the mobo went on me before I could stretch it's legs.....last thing it did was 16hours prime stable @ 3.8ghzQuote:
Originally Posted by shaolin95
with 1.216v load. The CPU has a vid of 1.2500.
Sorry I can't tell ya more till my replacement mobo gets here:(
Thanks.
I am already at 4.2Ghz OCCT stable on mine with 1.35v bios (1.32 cpu-z) and no v-droop mod.
I am going to check how high I can take it too before testing for the lowest voltage needed by tweaking the GTL stuff I keep reading about
This is on an asus p5k-e with tracer memory.
No your chip won't have degraded at such a low voltage; chips tend to degrade at about >1.4v over long periods of time, and they will degrade very quickly with excessive voltage.Quote:
Originally Posted by WaterFlex
My 4.4GHz 1.35v OC was everything-stable just a few weeks ago, but now if I try to boot with the same settings/voltages I just get lockups and sometimes don't make it to desktop. It's just one of these things. :shrug:
Ahahaaha, my chip is ok :up: I forgot that I need 1,17 not 1,16 (see my signature below) to be totally stable. LoL. :D