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DDR3-1333 overclock to 1490mhz

post #1 of 9
Thread Starter 
Hello everyone.
So I have:
CPU: Athlon II X2 270 3.4Ghz
Motherboard: MSI GF615M P33 v2
RAM: Kingston DDR3 1333 2x2GB CL9 Value RAM

I've overclocked my CPU to 3.8 Ghz, adjusted NB Frequency to match stock frequency and I wanted to adjust ram frequency too, but it turned out that bios doesn't have this function. It only shows RAM frequency, but you can't change it.

I have DDR 1333 running at 1490 Mhz now and it runs stable. I haven't changed RAM voltage. Will it run fine at this frequency or it will make RAM degrade? Can such overclock cause troubles to RAM?
402
402
Edited by om3nz - 3/14/12 at 1:21pm
post #2 of 9
It will be fine. I had Kingston 1333 running on 1500+ for quite some time, no problems at all.
My PC
(14 items)
 
Wife's PC
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CPUMotherboardGraphicsRAM
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My PC
(14 items)
 
Wife's PC
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 4460 AsRock H81M-DG4 Sapphire Rx470 Platinum KVR 1600 16Gb 
Hard DriveHard DriveCoolingOS
2x Seagate 3Tb Samsung 850 EVO 120 Scythe Ninja 3 Rev.B Windows 10 Pro 
MonitorKeyboardPowerCase
Fujitsu Siemens A17-2A Logitech K280e SuperFlower SF-550K12XP Thermaltake Versa H25 
MouseAudio
Logitech G402 Sony MDR XD150 
CPUMotherboardGraphicsRAM
Athlon 750K 4.0Ghz AsRock FM2A75 Pro4+ Sapphire R9 270X Dual-X Kingston 2x4Gb 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 120  Western Digital 320Gb LiteON DVD-RW CoolerMaster Hyper Z600 
OSMonitorKeyboardPower
Windows 7 Pro x64 Toshiba 32" FullHD TV Logitech FSP Hexa 550 
CaseMouse
DeLUX Logitech 
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post #3 of 9
Thread Starter 
Thanks for the reply. I've managed to get 4.0 ghz overclock, but when I start prime95 test, one worker stops after 5 seconds with error message, but the other one keeps running. Looks like 1565 mhz is too much for my RAM or is it not the RAM fault? At 3.8 Ghz everything runs fine.
post #4 of 9
Quote:
Originally Posted by om3nz View Post

Thanks for the reply. I've managed to get 4.0 ghz overclock, but when I start prime95 test, one worker stops after 5 seconds with error message, but the other one keeps running. Looks like 1565 mhz is too much for my RAM or is it not the RAM fault? At 3.8 Ghz everything runs fine.

It is very uncommon that Athlon II x2 would reach 4Ghz. I think this error is the CPU's fault.
My Athlon II x2 250 reached tops of 3.7Ghz.
My PC
(14 items)
 
Wife's PC
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 4460 AsRock H81M-DG4 Sapphire Rx470 Platinum KVR 1600 16Gb 
Hard DriveHard DriveCoolingOS
2x Seagate 3Tb Samsung 850 EVO 120 Scythe Ninja 3 Rev.B Windows 10 Pro 
MonitorKeyboardPowerCase
Fujitsu Siemens A17-2A Logitech K280e SuperFlower SF-550K12XP Thermaltake Versa H25 
MouseAudio
Logitech G402 Sony MDR XD150 
CPUMotherboardGraphicsRAM
Athlon 750K 4.0Ghz AsRock FM2A75 Pro4+ Sapphire R9 270X Dual-X Kingston 2x4Gb 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 120  Western Digital 320Gb LiteON DVD-RW CoolerMaster Hyper Z600 
OSMonitorKeyboardPower
Windows 7 Pro x64 Toshiba 32" FullHD TV Logitech FSP Hexa 550 
CaseMouse
DeLUX Logitech 
  hide details  
Reply
My PC
(14 items)
 
Wife's PC
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 4460 AsRock H81M-DG4 Sapphire Rx470 Platinum KVR 1600 16Gb 
Hard DriveHard DriveCoolingOS
2x Seagate 3Tb Samsung 850 EVO 120 Scythe Ninja 3 Rev.B Windows 10 Pro 
MonitorKeyboardPowerCase
Fujitsu Siemens A17-2A Logitech K280e SuperFlower SF-550K12XP Thermaltake Versa H25 
MouseAudio
Logitech G402 Sony MDR XD150 
CPUMotherboardGraphicsRAM
Athlon 750K 4.0Ghz AsRock FM2A75 Pro4+ Sapphire R9 270X Dual-X Kingston 2x4Gb 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 120  Western Digital 320Gb LiteON DVD-RW CoolerMaster Hyper Z600 
OSMonitorKeyboardPower
Windows 7 Pro x64 Toshiba 32" FullHD TV Logitech FSP Hexa 550 
CaseMouse
DeLUX Logitech 
  hide details  
Reply
post #5 of 9

Lower the CPU multiplier and try again.  You can pinpoint whether the problem is RAM or CPU.  You shouldn't be having any drastic expectations from generic value RAM though.

post #6 of 9
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

Lower the CPU multiplier and try again.  You can pinpoint whether the problem is RAM or CPU.  You shouldn't be having any drastic expectations from generic value RAM though.

Thanks for the tip. Looks like it's not RAMs fault, everything runs fine at 1568 Mhz RAM and 3.8Ghz CPU. I guess it's because 1.4v is not enough for CPU at 4.0 Ghz. My mobo can't supply more than 1.4 volts.
post #7 of 9
Bootable Memtest is your friend!
The new usb key self installer is thumb.gif

http://www.memtest.org/#downiso

Isolate that ram and test!

Also look in the bois for an adjustable FSB:DRAM ratio. This may open up other combinations of FSB x Multi while keeping your ram speed in check.

4.0 Ghz is an impressive OC for that cpu. I would be careful asking it for any more without more/other voltage control. Stability may be especially difficult if you cannot adjust the CPU-NB voltage.

*Edit* - As far as I know undervoltage will cause stability issues but isn't inherently harmful. Too much voltage on the other hand... devil.gif
Edited by Elude - 3/16/12 at 12:35pm
post #8 of 9
Thread Starter 
Quote:
Originally Posted by Elude View Post

Bootable Memtest is your friend!
The new usb key self installer is thumb.gif
http://www.memtest.org/#downiso
Isolate that ram and test!
Also look in the bois for an adjustable FSB:DRAM ratio. This may open up other combinations of FSB x Multi while keeping your ram speed in check.
4.0 Ghz is an impressive OC for that cpu. I would be careful asking it for any more without more/other voltage control. Stability may be especially difficult if you cannot adjust the CPU-NB voltage.
*Edit* - As far as I know undervoltage will cause stability issues but isn't inherently harmful. Too much voltage on the other hand... devil.gif

As I've written before, there is no option for adjusting FSB:DRAM ratio in BIOS, that sucks.

I've ran memtest, 1 pass with no errors. Looks like I've reached the limit at:
3.9 Ghz @ 1.4 volts CPU
CPU-NB 1.4 volts.
1530 Mhz RAM.
NB Frequency 2066 Mhz
CPU core temps reach 52C and 65C mobo CPU sensor at full load with stock cooler.
System runs stable.
post #9 of 9
New mobo time!
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