Overclock.net › Forums › Intel › Intel CPUs › PSU killing overclock?
New Posts  All Forums:Forum Nav:

PSU killing overclock?

post #1 of 6
Thread Starter 
Well I pretty much started building a budget tinker toy, and have had pretty good luck overclocking it up to 3.5ghz, but cant seem to get past that point. Ive run prime95 for 12 hours @3.485ghz with no errors, but when I try to increase it by 1 click the screen just blurs out in different color pixels then shuts off, Ive tried to up the vcore, Ive set the ram on a divider and have upped the ram voltage and just about everything else, Im not using a video card just onboard, Im guessing that my PSU cant handle anymore. In speedfan the 12volt reads at 10.4volts Im guessing this is bad?? Ive been planning on getting a new PSU just not sure what to get yet(not looking to dump a ton of $$ on a PSU) Anyways my temps are within reason 28-30I 50-55L
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
940 C1 step Lapped ASUS E Premium Droop mod X1950XT custom TDX XMS2 675C4 Pro LED 
Hard DriveOSMonitorKeyboard
2x200 Maxtor SATA XP SP2 Acer 22" Wide Microsoft multi media 
PowerCaseMouse
OCZ GXS 700 Raidmax Ninja Black Micron 2.4 C/L 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
940 C1 step Lapped ASUS E Premium Droop mod X1950XT custom TDX XMS2 675C4 Pro LED 
Hard DriveOSMonitorKeyboard
2x200 Maxtor SATA XP SP2 Acer 22" Wide Microsoft multi media 
PowerCaseMouse
OCZ GXS 700 Raidmax Ninja Black Micron 2.4 C/L 
  hide details  
Reply
post #2 of 6
10.4V on the 12V rail is dangerous. I myself are usually around 11.9 or so. If you're looking for a cheap PSU with good rails, take a look at FSP Group (also known as fortron source). They have rather high-quality PSUs for under $60. BTW, that's actually not that bad of a system. You just need to upgrade the graphics and you'll have a decent performer on your hands.
post #3 of 6
Yes, 10.4 volts on the 12 volt rail is indeed bad, but I wouldn't trust Speedfan. On the rig I'm using, my high quality PSU reads around 11.1 volts (which is exactly the same as a freebie PSU that came with a junky case read). If you want to accurately measure the voltage on the 12 volt rail, use a multimeter and a free molex connector. Then you'll be able to make an informed evaluation of your current PSU.

All of that aside, a generic 250 Watt PSU is almost certainly insufficient for your needs. I suggest doing a PSU search on Newegg for PSUs and sort by price. Check out the best PSUs (name brand and good specs) in the price range you're thinking of then buy it from your favorite retailer be it Newegg or otherwise.
Sig rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q6600 G0 23A Asus P5K Deluxe Wifi HD 3870 2x2 GB G.Skill DDR2-800 
Hard DriveOptical DriveOSMonitor
2x250 GB Seagate RAID 0 + 320 GB Seagate Samsung SATA DVD Windows XP Pro/Vista Ultimate 64 bit Viewsonic VA2012wb 
KeyboardPowerCaseMouse
Saitek Eclipse Corsair HX620 Lian Li V2000b Logitech G7 
  hide details  
Reply
Sig rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q6600 G0 23A Asus P5K Deluxe Wifi HD 3870 2x2 GB G.Skill DDR2-800 
Hard DriveOptical DriveOSMonitor
2x250 GB Seagate RAID 0 + 320 GB Seagate Samsung SATA DVD Windows XP Pro/Vista Ultimate 64 bit Viewsonic VA2012wb 
KeyboardPowerCaseMouse
Saitek Eclipse Corsair HX620 Lian Li V2000b Logitech G7 
  hide details  
Reply
post #4 of 6
Plus, with 250W, you are not going to get good results. Not enough juice, my friend.
The MBP
(13 items)
 
  
CPUGraphicsRAMHard Drive
Core i5 2.4 GHz Intel HD Graphics + GeForce GT 330M 256 MB PCI-E 4 GB 320 GB 
OSMonitorCase
Mac OS X: Snow Leopard 15.4'' LCD Aluminum! 
  hide details  
Reply
The MBP
(13 items)
 
  
CPUGraphicsRAMHard Drive
Core i5 2.4 GHz Intel HD Graphics + GeForce GT 330M 256 MB PCI-E 4 GB 320 GB 
OSMonitorCase
Mac OS X: Snow Leopard 15.4'' LCD Aluminum! 
  hide details  
Reply
post #5 of 6
my rails are 11.74 is that good i also have a 420wattpowersupply that came with my aspire case BUT all my pci slots are full and also my agp slot 2 dvd burners 4 fans 2 things of ram and my temp controller so is 11.74 good on the rails or do i need a better psu?
post #6 of 6
Quote:
Originally Posted by bxjohn
my rails are 11.74 is that good i also have a 420wattpowersupply that came with my aspire case BUT all my pci slots are full and also my agp slot 2 dvd burners 4 fans 2 things of ram and my temp controller so is 11.74 good on the rails or do i need a better psu?
I wouldn't be overly concerned about 11.74 volts on the 12 volt rail, but the amperage of that rail is important. How many amps do you have on the 12 volt rail?
Sig rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q6600 G0 23A Asus P5K Deluxe Wifi HD 3870 2x2 GB G.Skill DDR2-800 
Hard DriveOptical DriveOSMonitor
2x250 GB Seagate RAID 0 + 320 GB Seagate Samsung SATA DVD Windows XP Pro/Vista Ultimate 64 bit Viewsonic VA2012wb 
KeyboardPowerCaseMouse
Saitek Eclipse Corsair HX620 Lian Li V2000b Logitech G7 
  hide details  
Reply
Sig rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q6600 G0 23A Asus P5K Deluxe Wifi HD 3870 2x2 GB G.Skill DDR2-800 
Hard DriveOptical DriveOSMonitor
2x250 GB Seagate RAID 0 + 320 GB Seagate Samsung SATA DVD Windows XP Pro/Vista Ultimate 64 bit Viewsonic VA2012wb 
KeyboardPowerCaseMouse
Saitek Eclipse Corsair HX620 Lian Li V2000b Logitech G7 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Intel CPUs
Overclock.net › Forums › Intel › Intel CPUs › PSU killing overclock?