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Both sticks pass at default settings, so I assume it just doesn't like the raised clock or perhaps one of my voltages or timings. Still trying to figure things out though. I've got a help thread here if anyone could share some input.Quote:
Originally Posted by HaTaX
It's not CoreTemp that's messed up. It's only reading the data that your CPU is putting out. If it shows 62C at load and at idle then that means your on chip digital thermal sensors are stuck, like many other users have reported. Blame Intel, not the programmer of CoreTemp.Quote:
Originally Posted by AriciU
Send me two register dumps using CPU-Z, one at full load and one at idle and I will confirm this if you like.
E8400 Q746A446 is pretty bad, just like emoners already said. 1.3v bios just to be stable for 3.6ghz, 1.296v idle, 1.28v load . @4500mhz I had to pump 1.53v for me to be able do some superpi 1m runs. :(
I'm still baffled I can't make it stable at 4ghz. I dont wanna go over 1.4v but I guess this batch really blows that much lol.
Quote:
Originally Posted by unclewebb
Sorry, wasn't try to get a great pi time. It was run with stock vista and the memory timings left at auto. Here's one on XP with a little better timings. I'm sure someone who knows all the tricks can shave another couple of tenths off of it. Strange I could run at a little higher fsb in XP. Not to worry, I don't have the golden one either.
Just got my new E8400 (Q746A501)
Running prime stable at 4GHz (8*500MHz) @ 1.320V.
Alright... I couldnt even boot at 4500 in the 1.4-1.465 range. So I decided just to give this a shot... think this will be as high as I can go for awhile until I have more time and money to get some aftermarket coolers for gpu's.
Here is my 1meg&32meg Pi at 4500.:)
Thanks PhilDoc for giving me a number to shoot for. 4446 MHz @ 1.36 volts is an excellent chip.
My E8400 needs too much voltage to run at that speed. It's all tapped out here.
http://img54.imageshack.us/img54/596...4500mhzii3.png
http://img70.imageshack.us/img70/568...55mhz1mti9.png
flesheatinvirus: How long has your Ballistix been surviving at 2.40 volts? 601 MHz with CL4 timings equals some incredible memory bandwidth.
Been screwing around a lot today. Finally got my water running, and within 5 minutes of finishing up UPS came with my new memory (SuperTalent 2x2GB Hynix chips for $82 - what a country!). Here you can see a little of each.
http://i199.photobucket.com/albums/aa305/falqon/pi.jpg
Nothing special, Q748A seems to get a bad rap and I don't think it's a terrible chip. It's my only one so I'm not upping the voltage anymore and for whatever reason my Ballistix don't really clock well on this p35-e so I didn't get tight timings or high speed, combine that with Vista and the pi run is so so.
Turned it down to 3.3ghz for daily use, I think it's at like 2.1v, I'm not complaining.
Q746A500
** Generic rams** ( at the moment )
http://img297.imageshack.us/img297/6586/cpuzmp2.jpg
http://img207.imageshack.us/img207/4950/airgt1.jpg
Just a few things:
When I set the FSB to 2000 I can get into windows but it BSOD's in the first minute of loading the OS. I am running 64bit Vista right now. I've tried every combination of settings and volts. Anybody having this problem?
I've notice just about everyone here posting CPUZ sets there command rate at 2T... why? What is the advantage of this over 1T? I wonder if it's just that people cant change that in their bios.
Aren't u guys worried about running these chips over 1.40V...?
Nope
1.56-1.58 V here on water over a month ;)
Very nice memory m8. OptimizeQuote:
Originally Posted by flesheatinvirus
Just to give you an idea how the numbers should look @ those speeds , but with crappier memory Promos 5-5-4-10
1M
http://img253.imageshack.us/img253/3...9984mx4.th.jpg
32M
http://img174.imageshack.us/img174/7...1020zs6.th.jpg
:up: keep pushing ;)
Edit:Sorry for double posting ...
I have been running them for months like that, so far I have been lucky. Sandra Mem gives me over 11,000.Quote:
Originally Posted by unclewebb
Dstealth very nice numbers for the same speed, Promos looks pretty good. Looks like I got a lot more work to do.
Its because most of us are running a Intel P35 or similar chipset which runs better at 2T, 1T can run with Nforce based chipsets.Quote:
Originally Posted by Hughyhunter
:D Honestly i dont think we can trust the Voltage/Temp readings on the E8400. There are way to many discrepencies thoughout the forums on many sites. But basically who cares if i gets fried? The chip costs less than 250 bucks. Just get another one. Not like the AMD FX60 i got back in 2006 that cost over a grand. POS!! Compared to this. So im just gonna crank the hell out of it.:D
Quote:
Originally Posted by GFDuke
I am with ya dude...I sold my E8400 Q743A that would run 24/7 P95 stable at 4.3GHz with 1.344vcore just so I caould get the Xeon version. That will be here tomorrow and I am going to pour the vcore to it just to see how far it will go. $200 and so what if it fries :up:
Just got done helping a friend with his e8400. Here is the comparison between his chip and mine. What interests me is that his CPU has a higher "stock vcore" yet uses less vcore to stay stable at 4GHz. Temps are about the same using ultra 120x. I would think it should be the other way around... Maybe the higher FSB needs more vcore for the CPU to be stable? Any thoughts? See below.
My CPU
Week: Q748
Batch: A219
Spec: SLAPL "C0"
Packaged: 1/29/08
CPU = 8x500 (4GHz)
vcore bios: 1.42
vcore CPUz: 1.392
vcore orthos: 1.38
default vcore: 1.13
Friend's CPU
Week: Q745
Batch: A553
Spec: SLAPL "C0"
Packaged: ?
CPU = 9x444 (4GHz)
vcore bios: 1.35
vcore CPUz: 1.33
vcore orthos: 1.32
default vcore: 1.18
Is there a reason to be worried, I mean where are the reported CPU deaths and general OC degradation?Quote:
Originally Posted by laragirl83
I have not heard a peep about problems with the new 45nm CPU's, aside from the early isolated cases, all from a very, very small section of the OC community.
Anything that has been reported could be chalked up as a handful of defective CPU's, that may have experienced the same problems, even if they were used at stock speeds. OC degradation (if there is any more with 45nm, than any other CPU) could be placed at the door of the fickle nature of OC'ing, and that the settings used, were simply not stable in the first place.....
I have had an older AMD rig go for 6 hours with prime one day, and then not half an hour the next.....
Given that, I would not want to put over 1.45v through these CPU's, unless on high end water and more with phase.
Cheers! :D
I have been running my Q746 E8400 at 1.53V 4.4ghz since the first day Microcenter got them. No degredation here.Quote:
Originally Posted by laragirl83
Anyone have seen results on a E8500 with Q744A836 stepping ??
Will get one tomorrow ^^
Quote:
Originally Posted by unclewebb
Never really tried to get much out of pi, my thing when I had the benchmark bug was 2001se and that was 4 years ago, lol. Still fun though. I don't think you've tapped her out too much.
tried clocking mine again last night and now my raid setup wont work. not recognised at bootup. trying to salvage it now
which is the best batch of E8400??? in 9 days i change my E6750 by E8400, greetings
Q743A seems to be leading the pack (4.3GHz 24/7 stable at 1.344vcore). But that is just my result
Quote:
Originally Posted by Vinas
You're correct, it takes more voltage to get 8x500 stable than 9x444.
The 743 and 745&46 seem to do very well. I have a 745 myself S spec SLAPL that can do 4300 at 1.36v 4500 at 1.45v and can bench at 4800, max is 4900 on water.:)Quote:
Originally Posted by stuck
Q746A500 DIE: 6A0097
http://valid.x86-secret.com/show_oc.php?id=318195
http://img262.imageshack.us/img262/9204/4607nl5.th.jpg
http://img301.imageshack.us/img301/5307/54ud7.th.jpg
Just air cooling: thermalright ultra 120 extreme + arctic mx-2 + scythe fan flex 120mm
with generic ddr2 ram 667 mhz! ...wow! ...waiting for "power" rams
Quote:
Originally Posted by sofarfrome
They seem to be doing very well Q743A here. 4.3G @ 1.36v/ 4.4G @ 1.392v with a TRUE. Ran 1 hour of Orhos, which is stable enough for me. The others I've seen have done well also.:up:
Quote:
Originally Posted by PhilDoc
temps?
Quote:
Originally Posted by ea6gka
It idles at 28C and loaded irrc at 55C for 1.36v and 60C for 1.392v. That was the cpu temp. The cores loaded irrc at 65C and 70C, but then they idle at 50C. So who knows how accurate they are.
it isnt at all me thinks. mine is at 4 gigs , 1.38V and idles at 50 and loads at 70. strange is at default it idles at 44...
has anyone got his cpu ihs off so far?
Anybody tried to order from here http://www.microcenter.com/single_pr...uct_id=0281097
It's only $200. I doubt they will give me a batch number if i call them. My hands are itching.......
I doubt they will even know what a batch # is :up:
E8400 retail on display (last week in one of MC) was Q748A223Quote:
Originally Posted by railer
more Q746A500 air cooled with 667 generic ram!
http://valid.x86-secret.com/show_oc.php?id=318239
http://img403.imageshack.us/img403/4391/47hk6.jpg
Time to quit before I have to call the fire department and put them on stand-by.
Look what you crazy guys at XS have made me do now.
SuperPI 1M=10.328s
http://img50.imageshack.us/img50/946...hz1mpp8.th.png
I've hit the practical wall with these parts on air but I'm not too ashamed of my daily driver.
do you fiddle your fingers while your palms are sweating, waiting to see if it will boot all the way into windows, praying for it not to BSOD... also while you have on your mind "I'm better off not checking my temps"? I do. :shrug:Quote:
Originally Posted by unclewebb
nice results :up:
I try to boot at 2000fsb and it bsod's... anyone have experience with this... once I set volts way high like 1.52 and it made it to windows and then shortly after BSOD... is that the overclock or something else. I'm running Vista 64 by the way.
Yeah, they tend to do that at 2000 fsb. WTF? :)
How do i tell what my Batch is? I have a low VID (1.1125) But im still fooling with voltages at 3.83GHz, Going to try for more tomorrow night but this 3.8 is a guaranteed stable. I have the processor box, is it on there?
On the box itself, the series of number after FPO/Batch# is your Batch#. On the CPU, this same series of number will also show as the very last one on the IHS.Quote:
Originally Posted by Furiøùs
Ok thanks i'll report back tomorrow and i'll see what i should get out of this chip.
wich is the lower vcore to reach sub 10" superPi? i can't do better than 1.56...anybody can get it lower?
my batch is:Q746A589
http://www.pctunerup.com/up/results/..._cpuzsub10.jpg
Vcore 1.4 - VTT 1.13v - 4635mhz - 9.9s superpi 1m
http://img338.imageshack.us/img338/8562/1moi0.th.jpg
which batch?Quote:
Originally Posted by mrcape
Q745a576
nice result...i guess ur VID is lower than mine (1.225)Quote:
Originally Posted by mrcape
I believe it's the Nvidia chipsets that don't like to run higher FSB. However, with Intel chipsets, it requires more northbridge voltage to run higher FSB so you may try that if you have the option in your BIOS.Quote:
Originally Posted by Hughyhunter
Quote:
Originally Posted by WiTcHkInG
i had the similar problem a while back, initially cpu was ok, then random bsod, i had to run it at stock, any overclock over 3.2 would blue screen, adjusting gtls helped alot in booting and B/S.
scary part was when screen shows raid array members ofline in red, couldn't boot at all, i was thinking all my data will have been lost. thankfully it returned normal after many hours of reset /clear cmos.
i reinstalled xp on another hdd, in ide mode, problem went, when i set raid in bios problem returned.
i changed for another e8400, so far it boots my raid array overclocked. will see how it pans out.
I've changed MOBO from Abit IP35 to DFI X38 and it's looks a little bit better.
BIOS settings:
vcore 1.36v
NB 1.33v
VTT 1.25v
9x445
Quote:
Originally Posted by Blackwhite
Maybe try a VTT of stock 1.10v or 1.13v. I believe yours is a bit too high for this chip.
agree with thatQuote:
Originally Posted by Big Lar
and also check your temps.
77 is too much i think
Where do i see the VID ?
With 2000 fsb you mean 4x500fsb right? I'm experiencing the same problem a you.Quote:
Originally Posted by Hughyhunter
8x500 runs fine but 8x503 to 520 gives me BSOD's during start up or in Windows. 9x466 runs like a charm though
Is this the so-called FSB-hole kicking for me at 8x503 to 525?
For the moment i'm running my E8400 Q746A556 8x500 @ 1.26v :)
http://img175.imageshack.us/img175/1924/4ghz800hp3.jpg
Demon pls give us a prime95 small ffts test with at least 2 hours of running... If it can do it with that voltage, u have a great chip!
Will do. I've been running Orthos small ffts for an hour and a half yesterday and all was well. Hadn't had the change to make a screenshot though, my girlfriend turned the system off when going to bed :slapass:Quote:
Originally Posted by laragirl83
I guess many of us had problems with Wolfdale CPU temp and this guy says most of our Wolfdale are shipped with faulty temp sensor:
http://www.cpu3d.com/content/view/4016/16/
How true is this and if it really is faulty, is Intel going to do something about it? This sux!
Is CPU-Z reporting the right CPU voltage?
I am running 500x8 with 1.36v set in BIOS on my Abit X38, but CPU-Z reports about 1.26v, if my memory serves me.
I think my CPU can run small orthos for a few hours no problems, watercooled, I can't remember how long I left it running TBH. I am not a stress test junkie, if it play all my games etc......
I aways assumed CPU-Z was wrong :confused:
Cheers! :D
Unfortunately CPU-Z does not detect the correct Vcore in some cases. Please download V1.44.1 and that should fix it.
I've changed VTT 1.15v and it's working ok.
About my temperatures - I'm waiting for new CPU, because main have got faulty thermal sensor - I'm sure it is not 77 degrees but less - my Heatsink is not even worm.
Quote:
Originally Posted by aoch88
Personally, if that's the only problem mine has is a faulty temp sensor, I'll keep the one I have.
Sorry, but that made me laugh :D :p:Quote:
Originally Posted by Blackwhite
Temps are pretty messed up with these CPU's.
Regarding CPU-Z, I think I have that version, I will double check when I finish work.
Intel has already stated that the DTS is not to be used as a temperature reference for desktop processors. So no, there will be nothing done by Intel about this.Quote:
Originally Posted by aoch88
:D sorry but my English is not perfect.Quote:
Originally Posted by Mickey Padge
warm :)
No problem, I knew what you meant :cool:Quote:
Originally Posted by Blackwhite
Plus your English is 100% better than my Polish :)
Yes, I use version 144.1 . both CPU-Z and SG report vcore to be 1.26v onder load. This is almost the same as I set in the bios.Quote:
Originally Posted by Mickey Padge
Quote:
Originally Posted by DemonEyez
I run the same board as you,cpu-z will show 1.36v idle and 1.344 under load while bios says 1.36v. Funny thing is that when I use 1.39 in bios, cpu-z/sg show 1.408/1.40 respectively.
I don't believe any of them and think it's time to find my volt meter to take some readings later.
I am on the 02/13/08 Beta bios btw, although I got the same readings off 12/24 like you are running.
Larry
Ok, this mean we'll have to stay with all these crap temps!Quote:
Originally Posted by Praz
Using the Asus AI Suite, I get temp readings of 35 at idle/53 load using the stock cooler with AS5. That sounds about right to me. Even if the sensors used by Core Temp are a bit wacky, I'm inclined to believe that the AI suite os giving me the proper readings as these are similar to those I got with my E6300 back in the day...Quote:
Originally Posted by aoch88
Unfortunately my chip doesn't show the correct temp with Core Temp nor Everest. Earlier on I thought it's a problem with the BIOS or Core Temp but looks like its a faulty thermal sensor.
Hi guys !
does anybody heard about batch Q748A088 ?
any good results ?
regards
Mykou
Quote:
Originally Posted by aoch88
did u try RMClock v 2.35 beta? it s the only one that working well IMHO
OK version 1.44.1 CPU-Z reads 1.200v with 1.365v set in BIOS, uGuru reads 1.37v
This is with an E8500 on my Abit X38/latest BIOS, under load or idle....
What should i expect from this chip? 1.1125 VID and my batch number is Q76A366
I think that's the case too. I need to add some more volts on that end... but I just feel like it's getting super hot even with the little fan.Quote:
Originally Posted by Blkout
I have nothing but bad luck past about 475. Even with multiple voltage combinations. I need to figure out if it's the memory or the NB itself. I'll tinker around some more.Quote:
Originally Posted by DemonEyez
Is anyone even getting past 3dmark06 at 4500+? That's my main benchmarking tool that I like to try to break.
Oh by the way.... 1.26 is very nice for 4000mhz!
If its like mine of that FPO# then not a lot at all. No boot at 4ghz or over with anything up to 1.43vQuote:
Originally Posted by Furiøùs
It sucks but it is also something of a good thing as it means temps could be lower than what's being reported to you.Quote:
Originally Posted by aoch88
If there was an actual percentage than we'd be golden.
Actually it reported a lot higher I believe. Irregardless of the Vcore I put in, it always defaults at 44C idle :confused:Quote:
Originally Posted by Ymir
Right, so it is something of a good thing. Like I said though, I want a percentage.Quote:
Originally Posted by aoch88
And that 44C idle seems like a problem. :shrug: What about your stress temps? Do they always stay around the same area?
Thats odd, Mine is Prime and OCCT stable for 2Hours (Will fail between 2hours 30min or so) but i need some bios updates before i can probably get her there. Im at 1.3V on load (1.350 in bios) at 3.83 (1780 QDR)Quote:
Originally Posted by WiTcHkInG
This chip is really good just need some more bios updates ^_^
Suprisingly load temps go different according to ambient temps or voltages I apply. I never imagine Intel could fail us this way :)Quote:
Originally Posted by Ymir
Mine idles at 36-37 with a Zalman 9700, Great cooler but she's turning 3 years soon haha. Looking at either the TRUE or the Chilltec Ultra, leaning towards the Ultra because i wont have to lose my 250CM fan since the Chilltec isnt as big height wise :)
Yeah, but I hold faith that later batches of these babies will make up for the loss ATM. Regardless of the relative stability, the E8400 is a monster overclocker and can only get better over time.Quote:
Originally Posted by aoch88
And even if you deem these Wolfdale's a let-down, there are always the E8500's which are very impressive.
Mine hasnt disappointed me, I just went through a week of hell with the Asus P5N-T Deluxe, but now that i have this eVGA board, man im loving it. Few bios updates and i'll be 4GHz rock solid :up:
I've already had my E8200 stable at 4Ghz on the Foxconn Mars. My E8400 needs more Vcore to run 4Ghz compared to my current E8200. Weird but true :)
Doesnt the E8400 have more Cache though? I'd have to look it up but im browsing coolers for my northbridge haha. Yea im probably going to pick up a new cooler soon.. Too long i've had this zalman
They all have same amount of cache - 6MB and that's a lot :D
The difference is only the default clock speed.
Oh, i wasnt sure. Thats nice though, All i can do is just wait now, but im really happy with how my SLi performs even at 3.83, Way better then my Athlon 4800+ S939 that was OC'd to 2.8GHz Way better then that but i wanted 4GHz, just for that big 4 haha
a little more overclock
Q746A500 DIE: 6A0097
AIR COOLING & GENERIC RAM DDR2 667
http://img261.imageshack.us/img261/7374/4822ef1.jpg
VALIDATE: http://valid.x86-secret.com/show_oc.php?id=318384
sorry but why not show the vcore ur cpuz?Quote:
Originally Posted by hersounds
im so sorry alcatraroz this is for you
http://img168.imageshack.us/img168/2432/48qn6.jpg
http://img89.imageshack.us/img89/908/000000101cu7.jpg
http://img264.imageshack.us/img264/9...0000400ut6.jpg
http://img89.imageshack.us/img89/6794/482ab4.jpg
i set 1.56 on bios but on windows are 1.62 ...and
i know is much vcore but this is not my 24/7 just i try how much more can run this 8400 by air.
Nice, Those Foxconn's are really impressive. If i didnt have SLi i'd go grab one right now heh
i set 1.56 on bios but on windows are 1.62 ...and
i know is much vcore but this is not my 24/7 just i try how much more can run this 8400 by air.[/QUOTE]
hey just for know how u can hide the voltage on cpuz...never saw before...then in windows vcore is higher than bios??that s strange..i did the same just for bench but was 1.587 on bios and 1.56 on windows
full load tudo bem ok...
http://www.pctunerup.com/up/results/..._cpuzsub10.jpg
Some boards overvolt, some undervolt. CPU-Z most of the time is correct. But sometimes can also lead to misreadings.