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Need Help with OC'ing q6600/780i

post #1 of 8
Thread Starter 
Hello

I am new to these forums. I have searched a bajillion websites to find valuable info on OC'ing my new rig, but this site seemed the worthiest. Anyway, a few days ago I built my first rig and I want to OC. I found a thread that I would like to mimic, I just need to know if it is safe, and if not, what I should do to start with. i know my way around the BIOS navigational wise, but I dont know enough to do this alone without serious negative repercussions. First, here are my spec's for my new rig.

XFX 780i
Q6600 2.4 (kentsfield)
2 x 8800GTX sli
2 x 2gb Patriot 1066 DDR2
800w PSU (BFG)

ok, and here is the thread. The OP posted he would like to see 3.4, as would I, and he got it from the advice of Ericeod. So am I safe to start with this? Can i take my FSB(QDR) from 1067, which it is at now, straight to 1520? I did notice he said to put it at 380, but does that mean, 380 if its not quadcore? And if it's Quadcore, then your FSB shows up like FSB(QDR) like mine, you put in 1520 instead?

__________________________________________________ _______________
__________________________________________________ _______________

First disable the following in bios:

Standard CMOS Features
Drive A: None (If you dont have a floppy)

Advanced Bios Features
Full Screen Logo Show: Disabled

Advanced Chipset Features

sub menu System Clocks
CPU Spread Spectrum: Disabled

sub menu CPU Configuraion
CPU Thermal Control: Disable
C1E Enhanced Halt State: Disabled

Integrated Peripherals
On Board FDC Controller: Disabled (if you dont have a floppy)
Onboard Serial Port 1: Disabled

----------------------------------------------------------------------

Then to get to the speed you want, you will have to increase FSB and voltage. Try the following for 3.4GHz and work your way up with the CPU:

CPU: 1.4v
CPU FSB: 1.4v
RAM: 2.2v
SPP: 1.45v
MCP: Auto
MCP->SPP: Auto

Leave the GTL on auto


Then set your FSB to 380 (QDR to 1520).
Then set your memory to unlinked and manually set to 1066.


I cant guarantee that your CPU will run this, but 75% of them do. You might be able to run a lower vcore at this setting, or you might need more. You should also be able to lower your SPP (northbridge) to 1.4v, but at 1.5v you can reach 450FSB. So try these settings for a baseline.

Good Luck!

__________________________________________________ _____________________________________
__________________________________________________ _____________________________________

So if this is safe, I am going to try it out. If not can someone please help me start this process, i spent a bunch of loot, and dont want to fry my rig. Thanks a ton for any info.
First Attempt
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CPUMotherboardGraphicsRAM
Q6600 G0 @3.4ghz xfx nforce 780i 3-way sli 2x8800gtx 2 x 2gb Patriot Extreme PC8500 
Hard DriveOptical DriveOSMonitor
2 x WD 10,000rpm 150gb raptors LG 20x super multi Windows Vista 64 bit 17' samsung syncmaster 712n (upgrade soon!) 
PowerCase
800w BFG Antec 900 
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First Attempt
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @3.4ghz xfx nforce 780i 3-way sli 2x8800gtx 2 x 2gb Patriot Extreme PC8500 
Hard DriveOptical DriveOSMonitor
2 x WD 10,000rpm 150gb raptors LG 20x super multi Windows Vista 64 bit 17' samsung syncmaster 712n (upgrade soon!) 
PowerCase
800w BFG Antec 900 
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post #2 of 8
1.4 volts may be a little high, depending on how much vdroop you have. But it is below 1.5 so you are safe. Just keep in mind you may want to lower it later if possible, or if you have a large vdroop you may need to raise it.
    
CPUMotherboardGraphicsRAM
Q6600 @ 3Ghz GA-P35-DS3L Rev. 2.0 Powercooler 4870 8Gb GSkill 
Hard DriveOptical DriveOSMonitor
500Gb WD+640Gb WD Lite-on 20x Vista Home Premium 64x 1920x1200 24" +1400x1050 20" 
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CPUMotherboardGraphicsRAM
Q6600 @ 3Ghz GA-P35-DS3L Rev. 2.0 Powercooler 4870 8Gb GSkill 
Hard DriveOptical DriveOSMonitor
500Gb WD+640Gb WD Lite-on 20x Vista Home Premium 64x 1920x1200 24" +1400x1050 20" 
PowerCase
650 watt OP650 CM Stacker 830 
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post #3 of 8
Thread Starter 
ok, vdroop is what? sorry, im really trying to learn so i never have to ask this again...

and what your saying is from stock settings in BIOS as is now, i can set it all up like he explained and i should be fine?
First Attempt
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @3.4ghz xfx nforce 780i 3-way sli 2x8800gtx 2 x 2gb Patriot Extreme PC8500 
Hard DriveOptical DriveOSMonitor
2 x WD 10,000rpm 150gb raptors LG 20x super multi Windows Vista 64 bit 17' samsung syncmaster 712n (upgrade soon!) 
PowerCase
800w BFG Antec 900 
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First Attempt
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @3.4ghz xfx nforce 780i 3-way sli 2x8800gtx 2 x 2gb Patriot Extreme PC8500 
Hard DriveOptical DriveOSMonitor
2 x WD 10,000rpm 150gb raptors LG 20x super multi Windows Vista 64 bit 17' samsung syncmaster 712n (upgrade soon!) 
PowerCase
800w BFG Antec 900 
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post #4 of 8
vdroop is basically how much lower your actual voltage is versus what it is set to in the bios. Programs like cpu-z can monitor you voltage. You can set it up as he explained and you will be perfectly fine but if you need lower temps then it may be possible to lower your vcore and consiquently your temps if needed, or you just want to.
    
CPUMotherboardGraphicsRAM
Q6600 @ 3Ghz GA-P35-DS3L Rev. 2.0 Powercooler 4870 8Gb GSkill 
Hard DriveOptical DriveOSMonitor
500Gb WD+640Gb WD Lite-on 20x Vista Home Premium 64x 1920x1200 24" +1400x1050 20" 
PowerCase
650 watt OP650 CM Stacker 830 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Q6600 @ 3Ghz GA-P35-DS3L Rev. 2.0 Powercooler 4870 8Gb GSkill 
Hard DriveOptical DriveOSMonitor
500Gb WD+640Gb WD Lite-on 20x Vista Home Premium 64x 1920x1200 24" +1400x1050 20" 
PowerCase
650 watt OP650 CM Stacker 830 
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post #5 of 8
Thread Starter 
ok, i have coretemp, i have memtest86, and i have prime95 and cpuz .

atm, cpuz says my core voltage is 1.240v. this is with no OC'ing at all, besides me manually changing my ram speed to 1066.
First Attempt
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @3.4ghz xfx nforce 780i 3-way sli 2x8800gtx 2 x 2gb Patriot Extreme PC8500 
Hard DriveOptical DriveOSMonitor
2 x WD 10,000rpm 150gb raptors LG 20x super multi Windows Vista 64 bit 17' samsung syncmaster 712n (upgrade soon!) 
PowerCase
800w BFG Antec 900 
  hide details  
Reply
First Attempt
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @3.4ghz xfx nforce 780i 3-way sli 2x8800gtx 2 x 2gb Patriot Extreme PC8500 
Hard DriveOptical DriveOSMonitor
2 x WD 10,000rpm 150gb raptors LG 20x super multi Windows Vista 64 bit 17' samsung syncmaster 712n (upgrade soon!) 
PowerCase
800w BFG Antec 900 
  hide details  
Reply
post #6 of 8
also, check out the evga 780i overclocking guide, the xfx and evga boards are the exact same thing.

I think 1.24 is the auto voltage. but, yeh, in the voltages, set everything except the vcore, at the lowest setting that is highlighted green. put your cpu at 1.4, and you should be perfectly stable with x9 multiplier and 1400 fsb.

then lower the vcore until you get an unstable setting, then go back up one.

also, at the evga 780i overclocking guide, you will see a guide in the first page about vcore, you should really look it up.
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I Love Cheese
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Hard DriveOSMonitorPower
2x500 gig WD Vista Ultimate 64-bit Dual 25" Hannspree LCD CM 750 Watt 
CaseMouse
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post #7 of 8
Thread Starter 
the 780i oc guide? i suppose i should browse the forums more, didnt know there was one.

i am a bit confused though.. you say x9 multi, and 1400.. the thread i posted says 1500ish. so is that number 1500ish based off of a x7 multi? and with x 9 1400 id get the same result?
First Attempt
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @3.4ghz xfx nforce 780i 3-way sli 2x8800gtx 2 x 2gb Patriot Extreme PC8500 
Hard DriveOptical DriveOSMonitor
2 x WD 10,000rpm 150gb raptors LG 20x super multi Windows Vista 64 bit 17' samsung syncmaster 712n (upgrade soon!) 
PowerCase
800w BFG Antec 900 
  hide details  
Reply
First Attempt
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @3.4ghz xfx nforce 780i 3-way sli 2x8800gtx 2 x 2gb Patriot Extreme PC8500 
Hard DriveOptical DriveOSMonitor
2 x WD 10,000rpm 150gb raptors LG 20x super multi Windows Vista 64 bit 17' samsung syncmaster 712n (upgrade soon!) 
PowerCase
800w BFG Antec 900 
  hide details  
Reply
post #8 of 8
Thread Starter 
awesome. so far i have OC'd my q6600 to 3.256, seems to be running fine.

i only raised it to 1450 and took vcore to 1.339, instead of 1.4---

im going to run this for a bit, and if i get more ambitious, ill mess with it more.

one more thing, my mem timings are at 5-5-5-15

is that ok or should i run 4-4-4-12?
First Attempt
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @3.4ghz xfx nforce 780i 3-way sli 2x8800gtx 2 x 2gb Patriot Extreme PC8500 
Hard DriveOptical DriveOSMonitor
2 x WD 10,000rpm 150gb raptors LG 20x super multi Windows Vista 64 bit 17' samsung syncmaster 712n (upgrade soon!) 
PowerCase
800w BFG Antec 900 
  hide details  
Reply
First Attempt
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 @3.4ghz xfx nforce 780i 3-way sli 2x8800gtx 2 x 2gb Patriot Extreme PC8500 
Hard DriveOptical DriveOSMonitor
2 x WD 10,000rpm 150gb raptors LG 20x super multi Windows Vista 64 bit 17' samsung syncmaster 712n (upgrade soon!) 
PowerCase
800w BFG Antec 900 
  hide details  
Reply
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