Overclock.net › Forums › Intel › Intel CPUs › 4th core keeps faiing in prime (2500k)
New Posts  All Forums:Forum Nav:

4th core keeps faiing in prime (2500k)

post #1 of 33
Thread Starter 
I got a new i5 the other day. I had a 2500k in this rig since launch day but just got a new one and popped it in.

Anyways been trying to get 4.8 ghz stable all day. I started out at 1.365 and have been bumping it up. I am now an 1.4v and the same thing keeps happening. The 4th core keeps getting an error and stops while priming.

It has happened at 46,46,31, and 73 minutes in.

I'm beginning to think its not the cpu voltage. I have adjusted some other voltages recommended here. I am including my bios screens. I read a post saying when a core fails it can be the ram. My ram is set to auto for the timings and I have it running at 1600 like it should. Next step may be to drop it to 1333.

Any help or thoughts or appreciated.


550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
post #2 of 33
I would turn on Internal PLL Overvoltage to enabled and set the VCCIO to 1.15v.
Edit-Disable C3/6 too.
Edited by dave12 - 7/17/11 at 6:29pm
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k 4.7GHz 1.34v Asus P8Z77-V Pro Gigabyte Windforce 7950 8GB Crucial 1866 
Hard DriveOptical DriveOSMonitor
Crucial m4 128 GB Samsung BluRay Windows 7 64 Samsung S27A950D 
KeyboardPowerCaseMouse
Logitech G15 Seasonic 760-X Corsair 800D Logitech G9 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k 4.7GHz 1.34v Asus P8Z77-V Pro Gigabyte Windforce 7950 8GB Crucial 1866 
Hard DriveOptical DriveOSMonitor
Crucial m4 128 GB Samsung BluRay Windows 7 64 Samsung S27A950D 
KeyboardPowerCaseMouse
Logitech G15 Seasonic 760-X Corsair 800D Logitech G9 
  hide details  
Reply
post #3 of 33
Thread Starter 
I originally had PLL overvoltage enabled. Turned it off because I like to sleep my pc but it didn't seem to make a difference either way.

I had vccio at 1.5 and bumped it up hoping to fix this issue.

Would enabling C states stop the voltage from dropping at idle? I don't want that.
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
post #4 of 33
Error in Prime95 indicates Mem. I get BSOD when I have too little Vcore.

Set all your RAM timings to manual and set them to stock. Also set Command Rate to 2t. If at Auto it can default to 1t. Not All mem likes 1t. Also, I believe those Ripjaws are rated for 2t. Also, you can up VCCIO to 1.150 if that does not solve it. Make sure RAM Voltage is at stock also.

Also, If using later than 1606 bios, disable C3/C6 if using Offset Vcore, to avoid Idle/Light Load BSOD.
    
CPUMotherboardGraphicsRAM
Core i7 2600K@4.5GHz Asus P8P67 Pro 3.0 (B3) EVGA GTX 1070 SC Black Edition 4x4GB Corsair Vengeance 1600-9-9-9-24-2t-1.5v 
Hard DriveOptical DriveOSMonitor
M500 240GB SSD for OS, 2x256GB M4's Raid0 for ... Generic Windows 10 Pro 64 Bit Asus VK266H 
PowerCase
Corsair RM 750x Cooler Master Storm Scout 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Core i7 2600K@4.5GHz Asus P8P67 Pro 3.0 (B3) EVGA GTX 1070 SC Black Edition 4x4GB Corsair Vengeance 1600-9-9-9-24-2t-1.5v 
Hard DriveOptical DriveOSMonitor
M500 240GB SSD for OS, 2x256GB M4's Raid0 for ... Generic Windows 10 Pro 64 Bit Asus VK266H 
PowerCase
Corsair RM 750x Cooler Master Storm Scout 
  hide details  
Reply
post #5 of 33
Thread Starter 
vccio is already at 1.175 up from 1.150.

I am using the current beta bios. I upgraded from 1305 with this new chip. I will do like you said with the ram timings.
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
post #6 of 33
Quote:
Originally Posted by lightsout View Post
I originally had PLL overvoltage enabled. Turned it off because I like to sleep my pc but it didn't seem to make a difference either way.

I had vccio at 1.5 and bumped it up hoping to fix this issue.

Would enabling C states stop the voltage from dropping at idle? I don't want that.
I don't think the board even supports 1.5 vccio, hope that's a typo.

Leaving C1E enabled will allow sleep and normal low power states, while disabling c3/6 will disallow the more aggressive low power states at idle which were giving me all sorts of problems. If you are still having a worker stop on core 4 with 1.175 vccio I would run memtest on the sticks and if they pass try P95 with an each stick individually.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k 4.7GHz 1.34v Asus P8Z77-V Pro Gigabyte Windforce 7950 8GB Crucial 1866 
Hard DriveOptical DriveOSMonitor
Crucial m4 128 GB Samsung BluRay Windows 7 64 Samsung S27A950D 
KeyboardPowerCaseMouse
Logitech G15 Seasonic 760-X Corsair 800D Logitech G9 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k 4.7GHz 1.34v Asus P8Z77-V Pro Gigabyte Windforce 7950 8GB Crucial 1866 
Hard DriveOptical DriveOSMonitor
Crucial m4 128 GB Samsung BluRay Windows 7 64 Samsung S27A950D 
KeyboardPowerCaseMouse
Logitech G15 Seasonic 760-X Corsair 800D Logitech G9 
  hide details  
Reply
post #7 of 33
Thread Starter 
Quote:
Originally Posted by dave12 View Post
I don't think the board even supports 1.5 vccio, hope that's a typo.

Leaving C1E enabled will allow sleep and normal low power states, while disabling c3/6 will disallow the more aggressive low power states at idle which were giving me all sorts of problems. If you are still having a worker stop on core 4 with 1.175 vccio I would run memtest on the sticks and if they pass try P95 with an each stick individually.
Sorry yah 1.15

I havent had any idle bsods or anything like that. But i did have some weird issues with my ram. When i put in this new cpu i got stuck in boot loop hell. The system would power on for like 4 seconds then reboot. The only fix was taking out one dimm and booting it. Then shutting down and putting that stick back in. It then happened again when i got a bsod in prime.

I just set the timings manually and bumped the dram voltage a tad. But i will also run memtest. Thanks for rhe tip I may have to rma a stick.
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
post #8 of 33
Quote:
Originally Posted by lightsout View Post
Sorry yah 1.15

I havent had any idle bsods or anything like that. But i did have some weird issues with my ram. When i put in this new cpu i got stuck in boot loop hell. The system would power on for like 4 seconds then reboot. The only fix was taking out one dimm and booting it. Then shutting down and putting that stick back in. It then happened again when i got a bsod in prime.

I just set the timings manually and bumped the dram voltage a tad. But i will also run memtest. Thanks for rhe tip I may have to rma a stick.
Make sure to try Command Rate at 2t.
    
CPUMotherboardGraphicsRAM
Core i7 2600K@4.5GHz Asus P8P67 Pro 3.0 (B3) EVGA GTX 1070 SC Black Edition 4x4GB Corsair Vengeance 1600-9-9-9-24-2t-1.5v 
Hard DriveOptical DriveOSMonitor
M500 240GB SSD for OS, 2x256GB M4's Raid0 for ... Generic Windows 10 Pro 64 Bit Asus VK266H 
PowerCase
Corsair RM 750x Cooler Master Storm Scout 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Core i7 2600K@4.5GHz Asus P8P67 Pro 3.0 (B3) EVGA GTX 1070 SC Black Edition 4x4GB Corsair Vengeance 1600-9-9-9-24-2t-1.5v 
Hard DriveOptical DriveOSMonitor
M500 240GB SSD for OS, 2x256GB M4's Raid0 for ... Generic Windows 10 Pro 64 Bit Asus VK266H 
PowerCase
Corsair RM 750x Cooler Master Storm Scout 
  hide details  
Reply
post #9 of 33
Thread Starter 
Quote:
Originally Posted by turrican9 View Post
Make sure to try Command Rate at 2t.
Yah I did. The timings on auto were already correct but I set them manually anyways. 32 minutes into prime so far.
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
post #10 of 33
Thread Starter 
So I'm like 2 1/2 hours into prime now. I'm thinking the ram voltage bump may have done it. I had some gskill ecos that need about .075v above the rated voltage to hit stock speeds. Maybe these sticks are the same.

Tomorrow I will drop the vcore down a decent amount and see if it holds up.
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
550D
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700K Gigabyte Z77X-UD3H EVGA GTX 970 ACX 2.0+ SSC 4 x 4GB Samsung Green 
Hard DriveHard DriveCoolingOS
Crucial 240gb Samsung EVO 250gb Corsair H80 Win7 Ultimate 64 
MonitorKeyboardPowerCase
Qnix 2560x1440p Quickfire TK MX Brown XFX 750w Black Edition Corsair 550D 
MouseMouse Pad
Lefty Deathadder X Trac Ripper XXL 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Intel CPUs
Overclock.net › Forums › Intel › Intel CPUs › 4th core keeps faiing in prime (2500k)