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1090T Overclocking.

post #1 of 6
Thread Starter 
So many questions, don't know where to begin!

Ok, first off, my specs (new rig):

AMD Phenom II X6 1090T Black Edition
(http://www.newegg.com/Product/Produc...-849-_-Product)

GIGABYTE GA-870A-UD3:
(http://www.newegg.com/Product/Produc...82E16813128443)

XFX HD5870
(http://www.newegg.com/Product/Produc...-476-_-Product)

4GB DDR3 G.Skill PI
(http://www.newegg.com/Product/Produc...-351-_-Product)


- 700W quality Chieftec PSU
- Stock air cooling:
- Stock AMD CPU Heatsink + Fan.
- NZXT TEMPEST EVO case
- 2x 120mm intake NZXT performance fans
- 2x 140mm exhaust NZXT performance fans
- 1x 120mm exhaust NZXT performance fan
- Stock clock is 3.2ghz.

What I need to know:

1. What kind of clocks I should aim for? What is realistically achieveable on this CPU w/ stock cooling.

2. What is a safe 24/7 clock?

3. What are the disadvantages of using a higher-than-stock overclock 24/7?

4. What is the temp. limit?
Edited by dejanribic - 1/3/11 at 7:51am
post #2 of 6
1/ With stock cooling you will be limited to what you can achieve. Keep temps below 60 C and volts below 1.55 (with stock you will exceed max safe temp before you reach max safe volts)

2/ determined by temps and volts. With good CPU cooler many people run there Phenoms at 4.2GHz 24x7.

3/ Potentially shorten life of CPU if running very hot >60c or 1.55V

4/ 60C. Although some recomend 24x7 55c.
post #3 of 6
Thanks dihartnell! Your post will help me overclock my friends 1055t.
post #4 of 6
Quote:
Originally Posted by PeanutGallery View Post
Thanks dihartnell! Your post will help me overclock my friends 1055t.
It's easy overlclocking a 1055t.

All you do is increase the base clock from 200mhz to 250mhz. It will then run @ 3.5ghz. You then adjust your memory settings cause they are tied to your base clock. My memory now HAS to run @ 1667 cause of this.

As for the 1090T, all you have to do is increase the multiplier. No worries about base clock/memory clock. You do however need to change the voltage for both of these processors if your going over 3.5ghz.
The AMD machine
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1055t @ 3.8 GHZ Asus M4A79XTD EVO XFX Radeon 6850 1GB OCed G.Skill Ripsaw 16 GB (2x8GB) 1512 mhz @ 7-8-7-24 
Hard DriveOptical DriveCoolingOS
|WD Caviar Black 640GB|Seagate Barracudas 2TB X2| Lite-On Black 24X DVD Burner Cooler Master Hyper 212+ Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
BenQ 24" das Keyboard Model S Brown  OCZ Fatal1ty 550W PSU Coolermaster Storm Scout 
MouseMouse Pad
Razor DeathAdder Narlyfish 
  hide details  
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The AMD machine
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1055t @ 3.8 GHZ Asus M4A79XTD EVO XFX Radeon 6850 1GB OCed G.Skill Ripsaw 16 GB (2x8GB) 1512 mhz @ 7-8-7-24 
Hard DriveOptical DriveCoolingOS
|WD Caviar Black 640GB|Seagate Barracudas 2TB X2| Lite-On Black 24X DVD Burner Cooler Master Hyper 212+ Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
BenQ 24" das Keyboard Model S Brown  OCZ Fatal1ty 550W PSU Coolermaster Storm Scout 
MouseMouse Pad
Razor DeathAdder Narlyfish 
  hide details  
Reply
post #5 of 6
1.you don't want to do much on the amd coolers, either get a hyper 212 or a corsair h50/h70. i wouldn't do anything more than 10% on a stock cooler.

2. well the safe 24/7 clock is governed by your prime95 stability.

3. A black edition has an unclocked multiplier, you can lock your ram and bus in and overclock your cpu but you wont see a performance boost because your bus is bottlenecked. just tighten the timings on the ram as far as they can go.

4. For the winter, you probably wont see anything more than 40 on air but on a nice sunny day it'll heat up and you want it to stay below 55.

With aftermarket coolers your temps wont go very high, don't feel tempted to increase your voltages. also keep in mind that most programs and games are optimized for quad core performance, you'll see an improvement in 3d rendering and the likes.
The Alley Cat
(17 items)
 
  
CPUMotherboardGraphicsGraphics
Phenom II X6 MSI 870A-G54 XFX AMD Radeon 6870 nVidia GeForce 9800GTX+ 
RAMRAMCoolingCooling
G.Skill Storm Sniper Kingston HyperX Enzotech Sapphire CPU Waterblock Danger Den MPC Northbridge Waterblock 
OSPowerCase
Windows 7 Ultimate 64-bit Antec HCG 520W CM Storm Sniper 
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The Alley Cat
(17 items)
 
  
CPUMotherboardGraphicsGraphics
Phenom II X6 MSI 870A-G54 XFX AMD Radeon 6870 nVidia GeForce 9800GTX+ 
RAMRAMCoolingCooling
G.Skill Storm Sniper Kingston HyperX Enzotech Sapphire CPU Waterblock Danger Den MPC Northbridge Waterblock 
OSPowerCase
Windows 7 Ultimate 64-bit Antec HCG 520W CM Storm Sniper 
  hide details  
Reply
post #6 of 6
Thread Starter 
Quote:
Originally Posted by dihartnell View Post
1/ With stock cooling you will be limited to what you can achieve. Keep temps below 60 C and volts below 1.55 (with stock you will exceed max safe temp before you reach max safe volts)

2/ determined by temps and volts. With good CPU cooler many people run there Phenoms at 4.2GHz 24x7.

3/ Potentially shorten life of CPU if running very hot >60c or 1.55V

4/ 60C. Although some recomend 24x7 55c.
Excellent info. Thank you very much. +Rep

Quote:
Originally Posted by Zackcy View Post
It's easy overlclocking a 1055t.

All you do is increase the base clock from 200mhz to 250mhz. It will then run @ 3.5ghz. You then adjust your memory settings cause they are tied to your base clock. My memory now HAS to run @ 1667 cause of this.

As for the 1090T, all you have to do is increase the multiplier. No worries about base clock/memory clock. You do however need to change the voltage for both of these processors if your going over 3.5ghz.
I'm at 3.4Ghz, I'll be going for 4Ghz 24x7 after my water comes in!

Quote:
Originally Posted by dickcruz View Post
1.you don't want to do much on the amd coolers, either get a hyper 212 or a corsair h50/h70. i wouldn't do anything more than 10% on a stock cooler.

2. well the safe 24/7 clock is governed by your prime95 stability.

What is co

3. A black edition has an unclocked multiplier, you can lock your ram and bus in and overclock your cpu but you wont see a performance boost because your bus is bottlenecked. just tighten the timings on the ram as far as they can go.

4. For the winter, you probably wont see anything more than 40 on air but on a nice sunny day it'll heat up and you want it to stay below 55.

With aftermarket coolers your temps wont go very high, don't feel tempted to increase your voltages. also keep in mind that most programs and games are optimized for quad core performance, you'll see an improvement in 3d rendering and the likes.
1. 3.2Ghz stock --> 3.5Ghz, thats about 10% so its all right im guessing?

...

Also, neglected to mention, I'm using a 700W quality Chieftec PSU.
Edited by dejanribic - 1/3/11 at 7:50am
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