the Official Intel Core ix thread for desktops and laptops

[ashu888ashu888]

^^

lol.. sorry for my miscalculations in reading the screenshots.. tat overclocking is MAssive... 6 ghz.. ??? wats the stock speed of 955 BE.. ??? and is it ur system or u got the results from net.. ??
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Cheers n e-peace...

[darklord]

Hehe, no issues.

Stock speed of 955 BE is 3.2GHz

Those are my results,


AMD Phenom II X2 550 + Gigabyte 790FXT UD5P + LN2 = 6.1GHz

AMD Phenom II 955 BE + Asus M4A79T Deluxe go sub zero !

[topgear]

^^ Nice score on Phenom II X4 955BE & X2 550

[ashu888ashu888]

^^

yeah..lol..

it beats i7's @$$ really good.. .. oops..lol..

so, darklord: did u use ur OCed rig for anything or jus a testing of OC.. ??? (and u back at stock speeds again..) ..???
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Cheers n e-peace....

[darklord]

Originally Posted by ashu888ashu888

^^

yeah..lol..

it beats i7's @$$ really good.. .. oops..lol..

so, darklord: did u use ur OCed rig for anything or jus a testing of OC.. ??? (and u back at stock speeds again..) ..???
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Cheers n e-peace....

One can use LN2/DICE for a short while only. You cant use it permanently.So yes, I did benching and put the hardware to rest till the next round

[ashu888ashu888]

^^

and plz tell me in simpler words wat are LN2/DICE. .?? AMD terms..?? is it..??

but its really good to see tat AMD clocks like a killer..lol..

at 6 Ghz and 4 Ghz wat were the core (processor) temps (air).. ??

[desiibond]

LN2: Liquid Nitrogen. (remeber Terminator2?). LN2 can take the temperature down to -150 to -200 and liquid helium can take temperature to absolute zero (-256 I think is absolute zero)

DICE: short term for Dry Ice which is solidified Carbon dioxide. it takes much much longer to melt when compared to normal ice.

[darklord]

LN2 = Liquid Nitrogen. Temp is -197C. Cant exactly say what was the temp during benching as I still havent recd. my thermometer.

DICE - Dry Ice. While benching, pieces of Dry Ice and mixed with either Acetone or Ethyl Alcohol, This results in temps dropping to as low as -70C but not below that.

[ashu888ashu888]

@ desii thanx for those jargon..

@ darklord... so tell me how u go about using liquid cooling in ur rig..?? any step by step procedure..?? any links.. ?? plz...

[official]

Guys can you please explain wats TDP???
Is it that i7 cpu uses more power or wattage in contrast to Core2quad???

[ashu888ashu888]

^^

here u go ---> http://en.wikipedia.org/wiki/Thermal_design_power

also, see this list for TDP of core i7 processors ---> http://xtreview.com/review232.htm

and core 2quads tdp = 65W whereas corei7's tdp = 130W
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[topgear]

^^ Newer AMD phenom II quads only uses 95W-65W & Duals 65-45W. Is not that great

[desiibond]

^^nope. Phenom II X4 965 reached 140W and 945, 955 BE are at 125W. Athlon II X4 energy saving edition have 45W and mainstream ones have 95W TDP.

Given the max limit of 145W power on AM2+ and am3 boards, it will be interesting to see what AMD will do with Phenom II. 965 has come dangerously close the the threshold.

[official]

Does that mean i7 uses more power to perform like q9550 which has much less tdp??

[desiibond]

^^enable core i7's turbo mode and your electricity meter will run like Vishnu Chakra.

[darklord]

Originally Posted by ashu888ashu888

@ desii thanx for those jargon..

@ darklord... so tell me how u go about using liquid cooling in ur rig..?? any step by step procedure..?? any links.. ?? plz...

I dont use water cooling for my Main PC at home. I have a very simple setup for my Home PC,

Intel C2D E8600 @ 4GHz on stock cooler
DFI DK P45 T2RS Plus Motherboard
Crucial DDR2 800 2GB x 2
Corsair VX450 PSU
Galaxy Tech Nvidia 9800GT
Chieftec LBX Full tower chassis

[ashu888ashu888]

Originally Posted by desiibond

^^enable core i7's turbo mode and your electricity meter will run like Vishnu Chakra.

lol..

but tell me how can that turbo mode be enabled and is ther any performance gain or anything of tat sort.. ??
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@ darklord thanx for the update..

@ topgear: u at AMD again.. ?? lol...

[darklord]

Originally Posted by ashu888ashu888

lol..

but tell me how can that turbo mode be enabled and is ther any performance gain or anything of tat sort.. ??
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@ darklord thanx for the update..

@ topgear: u at AMD again.. ?? lol...

When you enable Turbo mode from the BIOS, whenever your temperature are within safe limit and you start a cpu intensive task then the multiplier is increased automatically, hence giving slight boost in performance.

This feature is strictly dependant on your CPU temperatures i guess. You have no control over it basically. Correct me if I am wrong.

[amitash]

^nice to see u again darky...and amazing results btw...when are u going to do the i7's?

Anyway, about turbo mode, it doesnt depend on your temp....if u leave it enabled, multiplier will be increased by 1...ie 21 from 20 in i7 920 and 940...therefore giving u a small Mhz boost...like 2.8ghz from stock 2.66 in i7-920...

As for power management, it can easily be controlled thx to intel speedstep...if u enable this in the bios, your cpu automatically decreases multiplier to 15-16, or maybe lower sometimes to save power when its not under load....

BTW @desi, can liquid HE actually take temp to -256 ie absolute temp? I dont think so because absolute temp is theoretical and hasnt and prolly can never be achieved

[ashu888ashu888]

^^ thanx amitash..

btw.. can u giv me links for Safe OCing the i7 920.. ?? actually 1st i wanna get a basic knowledge abt the tech jargon on OCing then will go on to do the actual OCing..

also, so it means tat as the multiplier increases the Mhz rating also increases.. ?? and plz tell me for a single increase in Multiplier, how much the Mhz value increases.. ??

I mean it wud be better if u can giv me links (from the sites u did ur OCing)..

Cheers n e-peace....

[darklord]

For Nehalem,

Especially in the case of 920,
the base clock is 133 and multiplier is 20x hence the stock speed of 2.66MHz.

So the multiplier is directly related to the clock speed so changing it will change the cpu clock speed.

Nehalem clocking isnt that simple though, there is NB freuquency that is the speed at which the IMC works and that makes things a bit tricky.

Although I have had corei7 for some time now, its my friend who is benching it more than me so not in a very good position to point out the fine points of nehalem clocking.

[topgear]

Originally Posted by desiibond

^^nope. Phenom II X4 965 reached 140W and 945, 955 BE are at 125W. Athlon II X4 energy saving edition have 45W and mainstream ones have 95W TDP.

Given the max limit of 145W power on AM2+ and am3 boards, it will be interesting to see what AMD will do with Phenom II. 965 has come dangerously close the the threshold.

Yup, Phenom II X4 945 and 955 has a TDP of 125W but 965 has TDP of 140W.

AMD Desktop Processor Chart
http://products.amd.com/en-us/DesktopCPUResult.aspx

[vikrant333]

my hdd fails of core i7 system
now i send it for change
should i made backup for my data ?
bcoz someone told me that higher capacity hdd corrupt very often..........

[darklord]

Originally Posted by vikrant333

my hdd fails of core i7 system
now i send it for change
should i made backup for my data ?
bcoz someone told me that higher capacity hdd corrupt very often..........

What did you do to render your HDD dead ? I am using WD 1TB drives and that board for some time and there seem to be no problems whatsoever

[ashu888ashu888]

@ vikrant

is tat WD hdd of urs a Caviar green or a caviar blue ..??

yup, i wud also like to knw wat did u do tat made ur HDD non functional.. ?? did u play with the jumper settings..??

[Shadowfax2009]

Hi all guys

I made my i7 system (Details are in my signature)5 days back. Important components are
1. Proccy: I7 920 D0
2. MoBo: DFI Lanparty UT X58 - T3EH8
3. RAM: OCZ DDR3 PC3-14400 800MHz DDR3 / CL 8-8-8-26 / 1.65 Volts
4. Bios: 7/24 beta: fixed Windows 7 CPU ratio issue.
5. OS: Windows 7 Ultimate RTM (X 64): Downloaded from MSDN (30 days evaluation) (Had vista 32).

Started everything at auto settings (didn’t touch the bios settings)…loaded windows 7 …..load went smoothly…… OS showed running stable 3-4 hours.

But memory shows
Memory: 6 GB RAM (2Gb Usable)
So, searched the net, found that the problem is common (took a deep relaxing breath).. and started doing the following.

1.CMOS reset (EZ reset in DFI) -- Nothing, POST showing 2044*** mb of RAM (Couldn’t remember the exact value, sorry)

2.Flashed the bios by bootable thumb drive method to most recent bios available -- bios update was successful but still detects only 2GB of RAM at POST.

3.Downloaded cpuZ: Detects 6GB of RAM and shows everything correctly.

4.Went to bios>Genie bios>voltage settings> Gradually increased DRAM Bus voltage and CPU VTT Voltage in sequential order (difference always less than 0.5) POSTing with every change in DRAM or CPU VTT.

Range tested:--------DRAM bus------------CPU VTT
Default.....................1.560------------------1.21
Final.........................1.650............... ........1.32

In all the post only 2GB was detected…. But OS was running without a hitch. Though some forums have increased DRAM to 1.7 and CPUVTT to 1.4, I suspected that I might need to RMA something or other and so was not willing to test over the prescribed safe limit.

5.Went to bios and changed the RAM timings manually to advertised values of 8 8 8 26. -- Still 2GB. (CPUZ / MEMSET detects 6GB with 8 8 8 26).

6.(Now was getting panicky again)…According DFI forum posts tried with DRAM PWM (reduce 15/ increase 15%) and VTT PWM (reduce 15/ increase 15%) -- Still 2GB

7. Started windows 7 memory diagnostics (Didn’t have memtest iso then) -- No error in memory in full test 5 runs

8. Started RAM slot musical chair test: (labeled RAM sticks as A, B, C and slots as 2,4,6 with slots 1,3,5 never being used and also with DRAM Bus 1.65/VTT 1.32/ Timings Auto)

Results:
Single stick: A/B/C in 2/ 4/ 6 (All possible single stick configuration) -- POST error
CF (Memory incompatible/DRAM voltage
unsatisfactory)

Triple channel:--------ABC -- 2 Gb,----ACB -- 2 Gb
--------------------------BCA -- 4 GB,----BCA -- 4 Gb
--------------------------CBA -- 4 GB,----CAB -- 4 Gb

All POSTed, but during the POST the screen would show 180*** memory for a fraction of a sec and then the value will change to 402***(4GB). So I decided to keep CAB configuration but after POST showed bootsector corrupted and couldn’t run win 7, nor could it run windows memory test (would freeze). Couldn’t even do a load windows from DVD (would freeze). Immediately went to bios and did optimized defaults but wouldn’t boot/ run from DVD.

There I am …… pretty confused and panicked. Since the memory control in i7 – X58 is dependent on processor/ mobo / Ram so I am lost as to where to begin.

To all u wizards
1. What should I do next? (I DON’T CURRENTLY have access to another pair of ddr3 RAM nor another X 58 mobo, but I am trying to arrange.)
2. What is wrong? RAM or MOBO?

3. Is there any one in Delhi (I am at AIIMS) who has a i7 system where I can test my RAM.....plz plz plz

Any help will be lifesaving. Thank you all for reading the long post but I didn’t want someone to tell me VTT/DRAM stuff again.

PS: I will be posting the same thing at the OCZ forum so interested persons check out progress there.

I can also post images of bios/ motherboard cpu pins if anyone needs.
__________________
System Information
Processor: Intel i7 920 Do
HSF: Prolimatech Megahalem/Scythe Ultrakraze Push/pull
Motherboard: DFI UT X58-T3EH8
Bios: 7/24 beta
RAM: OCZ DDR3 PC3-14400 800MHz DDR3 / CL 8-8-8-26 / 1.65 Volts
Gfx: Zotac 275GT (AMP)
Power: Corsair TX 850
Hard Drive: WD Cavier Green 1tb
UPS: APC 1000kVa Smart
Cabinet: NZXT Lexa Blackline
OS: Windows 7 Ultimate X64
-----------------------------------------
Posted again:
-----------------------------------------
DFI forum link

http://csd.dficlub.org/forum/showthread.php?t=11241

[ashu888ashu888]

hmmm.. it looks abit freaky to me as well..lol.. (naa, not trying to discourage or get u more panicked..)

but, 1st of all, it wud hv been better if u posted the thread in the Official core i7 thread here ---> the Official Intel Core ix thread for desktops and laptops

but not much of a big issue here (as i hv already reported to mods to mearge this thread with the one above)..

now, getting back to ur problem..
=====================

so this is ur mobo right ..?? ---> http://www.tomshardware.com/reviews/...i7,2164-4.html

now if i were u,

instead of worrying y win7 is detecting jus 2gb (outta the max 6gb of RAM), i wud hv tried to do a dual boot setup (preferably with win vista x64) so as to make sure that its a OS fault (of NOT recognising full 6GB of RAM)..

but, now as u say tat the system is unable to boot any DVD/CD or HDD, so wat i can suggest u now is this: I will 1st giv u basic steps so tat we can keep a track of wat to proceed to, in the next set of do's and dont's...

1.) remove the CMOS battery and reinsert it after a gap of 5-10 mins..

2.) try flashing ur BIOS (using the USB boot option and with all the 6GB of RAM onto ur board) or burn the bios onto a CD/DVD and try flashing the BIOS, wat it will do is load the defaults or (if not load the defaults) but will jus overwrite the same BIOS version with the one u hv onto ur USB

3.) if 2.) fails, try removing the RAM sticks and jus try it out with 2GB of RAM onboard
and post ur findings (NOT here plz) ...lol.. but in the core i7 thread in my siggy.. plz.. (it will prevent ppl from creating multiple threads on the same topic) a request ...
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Cheers n e-peace....

[desiibond]

^^amitash, had similar issue on his EVGA X58 SLI and I think this is what he did:

1) Clear CMOS
2) Update BIOS
3) remove and insert CPU

Boot into OS

[amitash]

^yep, exact same problem and that is what i did...update the BIOS and reseat the CPU...onboard mem controller was conflicting with the RAM

[ashu888ashu888]

^^

lol.. ok so i was almost on the right path wen i told shadowfax abt Cmos and BIOS update in my previous post....
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Cheers n e-peace...