TPU's Core i7 Overclocking and Feedback

[SystemViper]

did you see the 742mhz one?

not yet.....

 

[wolf]

so right now im running an overclock, i want ppl to tell me what they think.

i7 920 D0
Speed: 4200mhz
multi: 21x - new bios lets me choose 21x w00t!
Vcore: 1.2875v set in bios (1.27-1.28 load)
QPI: 1.3125v set in bios

ram: 1600mhz - 8-8-8-20 - 1.66v

haven't run any hardcore stability tests, but she passes 32mb and 1024mb of Wprime, and games GTA4 and TF2 just fine for 1+ hour each.

 

[Jakethesnake011]

Looks like some good speeds, I am able to hit 4.2 on my C0 but I have to use about 1.475V on Vcore which is pretty high. When you run LinX or Prime95 does your Multiplier automatically go to 20? I can not get my x21 multiplier to stay on when Cpu is undergoing a stress test.

 

[Tatty_Two]

so right now im running an overclock, i want ppl to tell me what they think.

i7 920 D0
Speed: 4200mhz
multi: 21x - new bios lets me choose 21x w00t!
Vcore: 1.2875v set in bios (1.27-1.28 load)
QPI: 1.3125v set in bios

ram: 1600mhz - 8-8-8-20 - 1.66v

haven't run any hardcore stability tests, but she passes 32mb and 1024mb of Wprime, and games GTA4 and TF2 just fine for 1+ hour each.

Nice but of course thats just 25% of your cores running at 21x the other 3 are at 20x and you only get the 21x for single thredded apps. (apparently) Nice volts though!

 

[Thrackan]

Nice but of course thats just 25% of your cores running at 21x the other 3 are at 20x and you only get the 21x for single thredded apps. (apparently) Nice volts though!

Why do people keep insisting Turbo works on one core only?

 

[Tatty_Two]

Why do people keep insisting Turbo works on one core only?

As I understand it, it can engage the higher multi with more than one core but once engaged, unless you are actually running a multithredded app is shifts it to one core? I suppose my point was/is, just because on the desktop in CPU-Z it says x21 does not mean that all 4 cores are at 21x, in fact, in the desktop only one core would be running at x21, then if you opened a multithredded app or did a vantage run then all 4 cores would kick in at 21x, is that not the way it works? I thought it was there "when needed" not all the time.

 

[Tatty_Two]

Looks like some good speeds, I am able to hit 4.2 on my C0 but I have to use about 1.475V on Vcore which is pretty high. When you run LinX or Prime95 does your Multiplier automatically go to 20? I can not get my x21 multiplier to stay on when Cpu is undergoing a stress test.

That may be temps or TDP draw, it appears that some boards really can switch it off but I had the same issue with my old DFI as the technology is dependant on the operating enviornment staying within a temp and TDP limit, I just think that some board manufacturers may have gotten around this.

 

[Thrackan]

As I understand it, it can engage the higher multi with more than one core but once engaged, unless you are actually running a multithredded app is shifts it to one core? I suppose my point was/is, just because on the desktop in CPU-Z it says x21 does not mean that all 4 cores are at 21x, in fact, in the desktop only one core would be running at x21, then if you opened a multithredded app or did a vantage run then all 4 cores would kick in at 21x, is that not the way it works? I thought it was there "when needed" not all the time.

When C-states or other power saving thingies are enabled the multi works on-demand, but when you disable those features the multi *should* be permanently enabled.

You can select speeds on all cores in cpu-z iirc (switch between cores), that way you can doublecheck if the 21x is enabled on all cores. I believe I had another proggy to check it but I forgot what it was (at work atm).

 

[Tatty_Two]

When C-states or other power saving thingies are enabled the multi works on-demand, but when you disable those features the multi *should* be permanently enabled.

You can select speeds on all cores in cpu-z iirc (switch between cores), that way you can doublecheck if the 21x is enabled on all cores. I believe I had another proggy to check it but I forgot what it was (at work atm).

Ahhhh right, but dont you have to have at least C1E enabled anyways to enable turbo mode or are you talking about the other power saving options?

 

[Thrackan]

Disable all C-states and enable Turbo, boot and find out

 

[Tatty_Two]

Disable all C-states and enable Turbo, boot and find out

Damn, I read ages ago you need it enabled, you mean I have been getting frustrated all this time about losing the 21x in certain load situations for nothing

 

[Thrackan]

Damn, I read ages ago you need it enabled, you mean I have been getting frustrated all this time about losing the 21x in certain load situations for nothing

Hmm unless my memory fails me (been a while since I clocked) then yes

 

[Tatty_Two]

I am still having issues with this damn board, everything (except Device manager which shows 8 processors) shows Hyperthreading disabled still even though it's enabled in the BIOS. I have even dropped back to BIOS F7 from F8 and it's still the same. Thing is with F7 I now have issues, for example, if I manually set QPI/VTT voltage it will fail to boot every time, it boots only on auto.

Edit: Just thought, WPrime is, I think multithredded, I think I need to do a couple of runs on that to compare scores just to make sure HT really is on otherwise I can only think it's a bad board.

 

[Thrackan]

Sounds pretty weird... Gotta say I never had problems like that on the UD3R/UD5 and your UD4P should be approximately the same...

Got MSN or Skype? Maybe we can work something out together. Give me a PM for info.

BTW: Tried OCCT yet?

 

[Tatty_Two]

Sounds pretty weird... Gotta say I never had problems like that on the UD3R/UD5 and your UD4P should be approximately the same...

Got MSN or Skype? Maybe we can work something out together. Give me a PM for info.

BTW: Tried OCCT yet?

Yes, it used to show only 3 cores, now it only shows 2 lol, I think I know what it might be, I reckon I need a re-install of Vista, when I upgraded to x58 and i7 I was lazy and didnt do a OS re-install, then my DFi went bang and I got this Gigabyte, perhaps just too many hardware changes so firstly I will reinstall then get back to you thanks.

 

[aquax]

Hey Tatty, do you have the same issue?

when I power on my PC, I could hear like 3 resets happen (the blue led behind the ram which show your OC level turn off and on like 3 times) it doesn't shutdown and power on again, it just doing like 3 reset in the row without any shutdown, I entered the bios after, but it doesn't say anything about reverting from bad OC, and every stress test passed fine.

 

[Thrackan]

Yes, it used to show only 3 cores, now it only shows 2 lol, I think I know what it might be, I reckon I need a re-install of Vista, when I upgraded to x58 and i7 I was lazy and didnt do a OS re-install, then my DFi went bang and I got this Gigabyte, perhaps just too many hardware changes so firstly I will reinstall then get back to you thanks.

You could try using a bootdisc or something to verify it first, saves you the reinstall if the board really is bad.
Though I know changing chipsets on the same Win install is crap.

 

[aquax]

I found this info in other site:

FYI, something that Munch pointed out to me is that the Gigabyte MB "double boots" when it is overclocked. I looked and sure enough mine does it too. When you first hit the on button the system does a quick on, off, and then on again cycle. Adds ~5 seconds to the boot time. It hadn't really connected with me until Munch mentioned it and I intend to see if the latest BIOS fix stops the behavior. Machine runs great otherwise.


it looks like normal?

 

[wolf]

Nice but of course thats just 25% of your cores running at 21x the other 3 are at 20x and you only get the 21x for single thredded apps. (apparently) Nice volts though!

When C-states or other power saving thingies are enabled the multi works on-demand, but when you disable those features the multi *should* be permanently enabled.

You can select speeds on all cores in cpu-z iirc (switch between cores), that way you can doublecheck if the 21x is enabled on all cores. I believe I had another proggy to check it but I forgot what it was (at work atm).

Disable all C-states and enable Turbo, boot and find out

Damn, I read ages ago you need it enabled, you mean I have been getting frustrated all this time about losing the 21x in certain load situations for nothing

yeah thats how ive been doing it, and it does seem to run at 4.2 across all cores *shrug*

i learned this trick last year with my eee 1000H, you CAN NOT disable speedstep in bios, no matter what, but if you disable the execute bit/c-state thingies and make sure you use a high performance power profile in windows, you should be golden for a locked 21x multi

 

[Tatty_Two]

I found this info in other site:

FYI, something that Munch pointed out to me is that the Gigabyte MB "double boots" when it is overclocked. I looked and sure enough mine does it too. When you first hit the on button the system does a quick on, off, and then on again cycle. Adds ~5 seconds to the boot time. It hadn't really connected with me until Munch mentioned it and I intend to see if the latest BIOS fix stops the behavior. Machine runs great otherwise.


it looks like normal?

I have experienced that also yes, I think I am going to revert back to the F8 Bios now though, I have had issues with F9A and F7, hopefully I can get back to some overclocking normality.

 

[aquax]

I have experienced that also yes, I think I am going to revert back to the F8 Bios now though, I have had issues with F9A and F7, hopefully I can get back to some overclocking normality.

please let me know if the bios will fix it

 

[Tatty_Two]

Seems I finally am beginning to get a little response from this board, damn you really do have to caress these motherboards like you would a womans whatsit, a start non the less, I guessed the volts so am now going to try to lower a bit before I move forward, these settings were OCCT stable for 30 minutes, max temps at 68C...... happy with that on a C0.

 

[Thrackan]

Seems I finally am beginning to get a little response from this board, damn you really do have to caress these motherboards like you would a womans whatsit, a start non the less, I guessed the volts so am now going to try to lower a bit before I move forward, these settings were OCCT stable for 30 minutes, max temps at 68C...... happy with that on a C0.

Absolutely, you should be gentle to your motherboard! ie don't blow it up like I did...

Btw, just for reference sake:
Stock, Auto, and c-states are all disabled here. If you want, I'll grab a screenie when stressed too

If someone hasn't figured it out: Right-click on the "Core #0" text in CPU-Z to switch from core to core.

 

[freaksavior]

my board is on its way back yay they said they had to replace some of its parts lol

 

[Thrackan]

Good to hear fs! You gonna blow it up twice?