680i overclocking thread

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11-18-2006, 02:46 AM
Xptweaker

@ lopri which memory u got ?
11-18-2006, 03:41 AM
lopri

TeamGroup. But this board doesn't love my memory that much. (No 1T love @800MHz and beyond)

Edit: Here is a dual 32M run.

http://img136.imageshack.us/img136/2285/sp32m2ng1.png
11-18-2006, 09:22 AM
palese

Quote:

Originally Posted by malficar

Someone mentioned spread spectrum.

SS is for EMI reduction.(That's electromagnetic interference for those unaware.)

System stability and performance may be slightly compromised with SS enabled. Especially with timing critical devices.

For overclocking even a 0.25% jitter can cause a temporary boost in clockspeed which may cause an overclocked processor to lock up.

If you aren't having EMI problems keep it off.

Hi malficar
I run out of a case with a tech station so I am not EMI shielded, in my case should I disable it or not, and does it efect temps of the cpu?
11-18-2006, 11:31 AM
palese

Quote:

Originally Posted by Grinch

I have got 1 question...........what memory slots are people running their ram in? Blue/Blue or Black/Black? unless you have 4 sticks....*-)

You can run it in blue or black:fact:
11-18-2006, 03:45 PM
Blacklash

Quote:

Originally Posted by palese

Hi malficar
I run out of a case with a tech station so I am not EMI shielded, in my case should I disable it or not, and does it efect temps of the cpu?

I'd say leave it off unless you are getting popping or odd distortion from your sound card due to EMI. I do not believe it would effect CPU temperature on a significant scale.
11-18-2006, 08:09 PM
sierra_bound

I was running Orthos for a couple of hours at DDR2-1311, but forgot to save the screenshot.:( Here's DDR2-1309

http://img182.imageshack.us/img182/8...dr21309fn2.jpg

Using Corsair 6400C'3 @ 5-5-5-9
11-18-2006, 10:41 PM
palese

I got this board for the SLI support but for an overclocker this board is horrible, even for mild overclocks. Poor effort on Nvidia's part:fact:
11-19-2006, 02:01 AM
sierra_bound

Corsair 6400C3's at DDR2-925 (462.5MHz) with 3-3-3-9 timings. Memory voltage at 2.5v. Linked and Sync modes.

http://img167.imageshack.us/img167/6...2925333qn6.jpg
11-19-2006, 08:32 AM
vmsein

Sierra, do you think this board undervolts the memory just like it undervolts the cpu? Just curious since 2.5 volts through the memory seems like quite a bit to me. Thanks!
11-19-2006, 09:01 AM
Speedpc

Hi Guys, I Got a quick question on the EVGA 680i with a E6600, In the bios there are 2 options in question
CPU CORE
CPU FSB
Which one should i set higher when overclocking ???
Currently i have CPU CORE at 1.425 which shows 1.4v and i have the CPU FSB at auto whichs shows 1.19v, the reason i ask is that these processor was on the 975x/g running at 375fsb at 1.4 volts orthos stable for 36hours. on this board the max i get is 350fsb (1400 divided by 4 =350x9=3150) i have it on unlinked so i'm wondering if i am raiseing the wrong voltage, and yes i put it back in the 975x/g to make sure that the settings i had and it goes right to windows at 375 stable Thanks for your help :)
For cooling i'm using the CoolIt Unit
11-19-2006, 10:25 AM
ShoNuff

Quote:

Originally Posted by sierra_bound

Corsair 6400C3's at DDR2-925 (462.5MHz) with 3-3-3-9 timings. Memory voltage at 2.5v. Linked and Sync modes.

So, it looks like the 6400C3's turned out to be some good sticks after all. :D When you first started posting some results with the Team memory I was confused b/c I thought the highly binned C3's were superior.

Thanks again for posting your findings as I found your result are reproducible. This has saved me hours in tweaking. While on air (at least until my new block arrives) my rig is running nice and smooth at 1440fsb (3.6GHz@1.4625v - in bois/1.42v in Windows) and 1200MHz (DDR2 600) 4-4-4-9 2.5v prime stable. I was surprised to find the memory to be so cool to the touch at 2.5v.

Anyway, nice work with the 680i board. I think it is a winner. :banana:
11-19-2006, 12:02 PM
OBR

Hi, i want to buy a 680i MoBo, but i dont know what vendor? eVGA or Asus Striker? What is maximum Vcore on eVGA?
11-19-2006, 12:30 PM
sierra_bound

Quote:

Originally Posted by vmsein

Sierra, do you think this board undervolts the memory just like it undervolts the cpu? Just curious since 2.5 volts through the memory seems like quite a bit to me. Thanks!

I have not measured voltages yet with a DMM, so I don't know. What I do know is that this board is great for memory overclocking. It's definitely the board's strongest asset.
11-19-2006, 12:38 PM
ShoNuff

Quote:

Originally Posted by OBR

Hi, i want to buy a 680i MoBo, but i dont know what vendor? eVGA or Asus Striker? What is maximum Vcore on eVGA?

The Striker is a nice board however; it is still based upon the 680i chipset and has not done any better than the reference Foxcon clones. eVGA is a good choice given the advance warranty replacement and availability.

Oh...did I mention price? You stand to save some cash with the eVGA as well. If the Striker were performing leaps and bounds above the reference boards (and it were $200 cheaper) it would be an easy choice.

So...BFG is you live near a Comp USA if not perhaps an eVGA if you live near a Fry's. Club IT is selling the eVGA for $249 IIRC.

edit: 1.850v in bios is max vcore w/ the P20 bios.
11-19-2006, 01:27 PM
Phil The Greek

Quote:

Originally Posted by sierra_bound

I have not measured voltages yet with a DMM, so I don't know. What I do know is that this board is great for memory overclocking. It's definitely the board's strongest asset.

If I remember right,when I mesured @2.5v set in bios,the DMM was reading 2.49v inside the dimm slot.Pretty nice.
EDIT:I am talking for the EVGA board.
11-19-2006, 04:47 PM
sierra_bound

Orthos @ DDR2-930 3-3-3-9

http://img242.imageshack.us/img242/5...2930333ii0.jpg

Ignore the date. I forgot to change it after I flashed to newer bios.:D
11-19-2006, 09:34 PM
lopri

This board is a mystery. With a Xeon 3060 (E6600), 32M (not to mention dual 32M) results are horrendous. I could also see other folks getting around 14 ~15 mins at CPU frequency 3.6~3.8GHz. Switching to E6400 got me 13 mins 48 secs. Sandra bandwidth is even more ridiculous. :confused:

Maybe BIOS isn't tuned to 4MB cache chips yet?

http://img294.imageshack.us/img294/7...msandrarz3.png
11-19-2006, 10:48 PM
X.T.R.E.M.E_ICE

This board is the worst overclocker when it comes to memory OC.
How do you get your ram on this board to boot at 500mhz 4-4-4-8 2.5 VOLT, my ram is stable at 555mhz on P5B Dlx 2.40v, so if this problem isn't fixed i will just send it back to Evga for an RMA as it has the Sound issue when i try to use a X-Fi sound card.
11-20-2006, 12:03 AM
OBR

Quote:

Originally Posted by ShoNuff

....

Thanks for your answer, but "Striker" have better board layout, no extra Molex power connector, clean CPU area with no capacitors ... but Striker is limited in Vcore only to 1.6V and it is big problem .... i will buy EVGA and i will see.

PS. - it is important to connect that Molex power connector on EVGA board?
11-20-2006, 12:28 AM
Ultrazauberer

Quote:

Originally Posted by Lestat

you have the board undervolts several times please explain.

and does it only happen at higher voltages. ?

is 1.5v in the bios 1.45v via windows ? and have you checked with a DMM on the baord itself.?

Can anyone give me some pics where I find the messuring points for the DMM?
11-20-2006, 08:20 AM
Celcius

Quote:

Originally Posted by OBR

Thanks for your answer, but "Striker" have better board layout, no extra Molex power connector, clean CPU area with no capacitors ... but Striker is limited in Vcore only to 1.6V and it is big problem .... i will buy EVGA and i will see.

PS. - it is important to connect that Molex power connector on EVGA board?

I would like to know what this molex connector is for as well. I haven't had mine plugged in all this time, but I wonder if it would help...

Also, when overclocking, should the mcp and spp voltages be left at stock or raised to 1.5v? My fsb is 1134 and mem is running at 850mhz.
11-20-2006, 08:29 AM
icon57

i have mine plugged in even though i am not running sli.
11-20-2006, 09:12 AM
NightRaven

hmm my my there's a whole range of results.. lopri.. i hope my xeon 3060 will get here soon and then i can confirm ur findings~

also i think many of us raise voltages to 1.5V or 1.4V. that includes fsb, nforce and aux accd to ntune~ think ht will be abt 1.25V
11-20-2006, 09:20 AM
newls1

How do you think my G.skill 2x1GB ddr800 "HZ" ram will do with the 680i chipset? Currently with my DS3 im @ 462FSB using 4/4/4/12 timings @ 2.2v. But with the damn D9 bug i cant go any higher.... Im really interested in buying the EVGA version, but really need some input on how this ram might react with this motherboard. Thank you
__________________
11-20-2006, 10:04 AM
vanovich

Quote:

Originally Posted by OBR

Thanks for your answer, but "Striker" have better board layout, no extra Molex power connector, clean CPU area with no capacitors ... but Striker is limited in Vcore only to 1.6V and it is big problem .... i will buy EVGA and i will see.

PS. - it is important to connect that Molex power connector on EVGA board?

i thought coolarer showed a pic.. with vcore up to 1,9 on the striker .

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