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[OFFICIAL]Athlon II X2 Regor Series OC Club - Page 6

post #51 of 1106
My HT Link's at 2400MHz, as well. Rock solid stability over here. NB Frequency's at 2400MHz for that matter, too.
Edited by MiataMike - 10/22/09 at 4:39pm
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post #52 of 1106
Quote:
Originally Posted by Loosenut View Post
I had manually adjust my cpu voltage to 1.375v
Loosenut, 1.375 Vcore is completely fine and safe. Try not to exceed 1.55volts if you're on air.

Quote:
Originally Posted by badave View Post
This is what i have. No clue how to overclock am3 other than fsb.
Badave, looks great buddy

Some AM3 processors have a unlocked multiplier (Black Edition) so that would be another way to raise the clock speed. Make sure when increasing the HT Clock speed that you also pay attention to your HT Link speed, NB Frequency and memory frequency. For the HT Link speed and NB Frequency those can easily be adjusted by lowering the multiplier. For the memory frequency you can simply drop the memory divider. I suggest doing this for the memory first so that it doesn't interfere with your processor overclock. Overclocking the memory can sometimes lead to stability issues (same for the HT Link speed and NB Frequency). Those speeds are all tied in with the reference clock speed (HT Clock ie. 243Mhz).

Hope that helps
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post #53 of 1106
I found this combination to be the best for my AMD Athlon II 240 .

Good memory response and a great CPU .
gl
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PandaDustSnorter
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post #54 of 1106
Hi,

AMD Athlon X2 250
M4N78 Pro
(4) KHX8500D2K2/2G ddr2-1066 (5-5-15-2.2V) (4GB TTL)
XFX GeForce 8800 GTS 320MB
Various Seagate Baracudas (160GB/250GB/1TB)
3527Ghz
15X
251Mhz - 2519 fsb
HT 2000
Dram 504Mhz *2T = 1008
5-5-7-18-24-2T, 2.2V (all from bios auto)
cpu 1.344V
CPU-Z: http://valid.canardpc.com/show_oc.php?id=785863
ArthurDent1
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ArthurDent1
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post #55 of 1106
Quote:
Originally Posted by ArthurDent View Post
Hi,

AMD Athlon X2 250
M4N78 Pro
(4) KHX8500D2K2/2G ddr2-1066 (5-5-15-2.2V) (4GB TTL)
XFX GeForce 8800 GTS 320MB
Various Seagate Baracudas (160GB/250GB/1TB)
3527Ghz
15X
251Mhz - 2519 fsb
HT 2000
Dram 504Mhz *2T = 1008
5-5-7-18-24-2T, 2.2V (all from bios auto)
cpu 1.344V
CPU-Z: http://valid.canardpc.com/show_oc.php?id=785863
I assume you meant 14x multiplier given your resulting overclock. I would drop the bus speed a little and up the multiplier for a slightly higher overclock. For reference, my combo is 240x15. Alternately, you can play with voltage a little and get the multiplier up with a 250 bus speed for ~3.7GHz.
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post #56 of 1106
Yep 14x250.

I also noticed that this cpu dosn't like to go above 3.6-3.7. It doesn't get hot it just won't finish booting even in safe mode(without all the drivers)

I actually had some stability with:
12.5 X 295 (yeah i know)=3.68mhz cpu.
I even got the fsb to run at 2950 w/ cpu at 1.36, cpu/nb at 1.42v.
I think the memory was at 950.
the weirdest thing was that nothing got above 40C.
I tested by processing 1000+ frames(30 secs) of avi video to divx with Virtualdub.
Got around 17-18 fps.
It took about 5 secs to get from end of post display to login.
(2 windows scrolls)

I went on to try other things & couldn't get it to run those settings again.I saved them in bios under 295 working so i wouldn't forget which place i saved it to. I think i'll clear the mem & try loading the settings in again clean.
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post #57 of 1106
Quote:
Originally Posted by ArthurDent View Post
Yep 14x250.

I also noticed that this cpu dosn't like to go above 3.6-3.7. It doesn't get hot it just won't finish booting even in safe mode(without all the drivers)
The guys at Overclock 3D managed 3.9 max stably, albeit on an aftermarket cooler.

http://www.overclock(3d).net/reviews...essor_review/1 (take out parentheses)

I really doubt there's a world of difference between 3.9 and 3.6GHz aside from increased power consumption, anyway. Plus they really had to stretch their memory timings.
Edited by MiataMike - 10/23/09 at 10:30pm
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Athlon II X2 250 @ 3.6GHz ASUS M4A79 Deluxe Sapphire Radeon HD5850 Corsair XMS2 DHX 4x2GB @4-4-4-12 
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Seagate 750gb SATA Windows 7 Professional x64 Westinghouse LVM-37W3SE Corsair 750TX 
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post #58 of 1106
Just emailed my info to be in the club! First post, by the way. Here is my info, if anyone has anything to say about it, let me know. I just built my first pc, and I wanna know as much as I can!

Stepping: N/A
Reference Multiplier: *15
V-Core: 1.475
CPU / Northbridge Voltage: Stock
Motherboard: Gigabyte GA-MA785G-UD3H
Cooling Unit: Stock
OS: Windows 7 Enterprise x64
Stable?: Yes
Stressing Method: 6 hours Prime95 x64
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post #59 of 1106
Quote:
Originally Posted by MiataMike View Post
The guys at Overclock 3D managed 3.9 max stably, albeit on an aftermarket cooler.

http://www.overclock(3d).net/reviews...essor_review/1 (take out parentheses)

I really doubt there's a world of difference between 3.9 and 3.6GHz aside from increased power consumption, anyway. Plus they really had to stretch their memory timings.
I found these cpu-z validation pages in my history.
This is for the 295 x 12.5 settings.

I also have a 264 x 12.5:


By the way, my cpu cooler is the stock cooler for the Athlon X2 6400 I had that a certain OCZ PSU fried. It's actually a better cooler than the one that came with the 250. I replaced the stock chipset cooler (heat spreader) with a Thermaltake Extreme Spirit II North-Chipset Cooler. And I have (6) 120 fans on the case.
Edited by ArthurDent - 10/24/09 at 8:34pm
ArthurDent1
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Hard DriveOptical DriveOSMonitor
(3) Seagate Barracudas(160/250/1000) LITE ON IHAS220-08 20x superallwrite SATA+lightscr Windows XP Pro (32-bit)sp/3, Ubuntu 8.10 KDS K-22MDWB 22" 
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ArthurDent1
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CPUMotherboardGraphicsRAM
Athlon II X2 250 Asus M4N78 PRO XFX GeForce 8800 GTS 320MB KHX8500D2K2/2G 
Hard DriveOptical DriveOSMonitor
(3) Seagate Barracudas(160/250/1000) LITE ON IHAS220-08 20x superallwrite SATA+lightscr Windows XP Pro (32-bit)sp/3, Ubuntu 8.10 KDS K-22MDWB 22" 
PowerCase
Thermaltake Toughpower XT 750-Watt ATX 2.3 COOLER MASTER rc-690-kkn1-gp cosmos 690 
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post #60 of 1106
Quote:
Originally Posted by TheGiraffer View Post
Just emailed my info to be in the club! First post, by the way. Here is my info, if anyone has anything to say about it, let me know. I just built my first pc, and I wanna know as much as I can!

Stepping: N/A
Reference Multiplier: *15
V-Core: 1.475
CPU / Northbridge Voltage: Stock
Motherboard: Gigabyte GA-MA785G-UD3H
Cooling Unit: Stock
OS: Windows 7 Enterprise x64
Stable?: Yes
Stressing Method: 6 hours Prime95 x64
TheGiraffer, welcome to Overclock.net

What reference clock speed (HT Clock) are you currently running? Your above post doesn't state your overclock so I wasn't sure.

ArthurDent, since the 250 has a 15x multiplier you could probably use that as an advantage instead of raising the HT Clock speed. You may eventually start to run into stability issues with your chipset if the speed is too high.

Good luck guys!
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CPUMotherboardGraphicsRAM
Athlon II X4 620 Asus M4A785-M Asus 5770 G.Skill 8GB DDR2-800 
Hard DriveOSMonitorPower
WD3200AAJS Windows 7 Pro Acer AL2216W, Samsung P2770 Corsair 550VX 
Case
Tagan Black Pearl 
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Workstation
(13 items)
 
  
CPUMotherboardGraphicsRAM
Athlon II X4 620 Asus M4A785-M Asus 5770 G.Skill 8GB DDR2-800 
Hard DriveOSMonitorPower
WD3200AAJS Windows 7 Pro Acer AL2216W, Samsung P2770 Corsair 550VX 
Case
Tagan Black Pearl 
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