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CentOS downclocks my CPU to stock frequency?

post #1 of 2
Thread Starter 
No matter what I set the multiplier to in BIOS, while keeping the base frequency at 100mhz, CentOS detects and runs it at the stock frequency. Conky and lm_sensors detect the frequency in real time and Speedstep seems to be working as it should. I don't have another copy of Windows to test it with, and no CD drive to try a live CD; so I still haven't ruled out the motherboard, but I think it would more likely be an OS issue. Everything else works as it should, but the CPU won't go faster than 3400mhz. I tried setting it to 3500mhz at 1.2v, and it still runs at the default speeds. Any ideas?
i5 3570k
ASRock z77e-itx
G-Skill Sniper 2133mhz dual channel kit
Corsair H80i
Toshiba 80gb hard drive
Antec 380w PSU

Following this guide: http://www.overclock.net/t/1198504/complete-overclocking-guide-sandy-bridge-ivy-bridge-asrock-edition#
 
Yuki
(8 items)
 
Hitomi
(7 items)
 
CPUMotherboardGraphicsRAM
Intel Core i7 3930K P9X79 WS EVGA GTX 960 G-Skill Sniper 2133MHz 8GB 
RAMHard DriveHard DriveCooling
Team Dark 1600MHz 8GB intel 520 Series SSD 120gb Hitachi 1.5tb SATA6gb 7200rpm Corsair H110i GT 
OSOSMonitorMonitor
Windows 10 Pro Insider Preview Windows 7 Home Premium Dell UltraSharp U2311H HP 2310e 23" LCD 
KeyboardPowerCaseOther
Logitech K400r Seasonic X750 Gold Cooler Master Storm Trooper APC Back-UPS XS1000 
CPUCPURAMRAM
intel Xeon L5640 6c 2.27GHz intel Xeon L5640 6c 2.27GHz 32GB Hynix HMT31GR7CFR4C-PB 32GB Hynix HMT31GR7CFR4C-PB 
OSPowerCaseOther
VMware ESXi 6.5 Redundant 502w Dell PSU  1U Dell R610 Chassis Dell SAS 6/ir RAID Controller 
CPUCPURAMOS
intel Xeon E5620 2.4GHz quad-core intel Xeon E5620 2.4GHz quad-core 24GB DDR3 VMware ESXi 6.5 
PowerCaseOther
Redundant 502w Dell PSU  1U Dell R610 Chassis H700 Raid Controller 
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Yuki
(8 items)
 
Hitomi
(7 items)
 
CPUMotherboardGraphicsRAM
Intel Core i7 3930K P9X79 WS EVGA GTX 960 G-Skill Sniper 2133MHz 8GB 
RAMHard DriveHard DriveCooling
Team Dark 1600MHz 8GB intel 520 Series SSD 120gb Hitachi 1.5tb SATA6gb 7200rpm Corsair H110i GT 
OSOSMonitorMonitor
Windows 10 Pro Insider Preview Windows 7 Home Premium Dell UltraSharp U2311H HP 2310e 23" LCD 
KeyboardPowerCaseOther
Logitech K400r Seasonic X750 Gold Cooler Master Storm Trooper APC Back-UPS XS1000 
CPUCPURAMRAM
intel Xeon L5640 6c 2.27GHz intel Xeon L5640 6c 2.27GHz 32GB Hynix HMT31GR7CFR4C-PB 32GB Hynix HMT31GR7CFR4C-PB 
OSPowerCaseOther
VMware ESXi 6.5 Redundant 502w Dell PSU  1U Dell R610 Chassis Dell SAS 6/ir RAID Controller 
CPUCPURAMOS
intel Xeon E5620 2.4GHz quad-core intel Xeon E5620 2.4GHz quad-core 24GB DDR3 VMware ESXi 6.5 
PowerCaseOther
Redundant 502w Dell PSU  1U Dell R610 Chassis H700 Raid Controller 
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post #2 of 2
http://www.centos.org/modules/newbb/viewtopic.php?topic_id=41073&forum=55


Maybe it helps. Cheers.
   
Frappenstein
(12 items)
 
CPUMotherboardGraphicsRAM
Phenom ii x4 965 BE GA-MA-790FXT-UD5P Sapphire R9 290 Tri-x OC Kingston Value RAM 
RAMHard DriveHard DriveOptical Drive
Kingston Value RAM Seagate Barracuda (Died) WD Caviar Black Sony DVD/RW 
Optical DriveCoolingOSMonitor
Sony DVD/RW Xigmatec Aegir SD128264 Win 7 Home Premium 64 bit LG 2443T 
PowerCase
ThermalTake Toughpower 800 (Non modular) ThermalTake Eureka 
CPUMotherboardGraphicsRAM
Pentium 4 1.7Ghz Northwood Gigabyte GA-8ITX Creative GeForce3 Ti 500 Some generic Samsung 512Mb 
Hard DriveOptical DriveCoolingOS
Hitachi 80 Gb Plextor CD-DVD RW  What was that again? Windows 98 SE  
MonitorKeyboardPowerCase
15'' CRT Broken Yes,it has. Fridge 
MouseMouse PadAudio
In the lab for exeriments  To disect the mouse Audigy 3 
CPUMotherboardGraphicsRAM
5930k ASUS Rampage V Extreme Sapphire R9 290 Ripjaws V 2400MHz  
Hard DriveHard DriveCoolingOS
Intel 750 Series 400GB WD Caviar Black 1 Tb H-100i Win 7 64 bit Ultimate 
PowerCase
Super Flower 1600W Platinum Coolermaster Cosmos2 
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Frappenstein
(12 items)
 
CPUMotherboardGraphicsRAM
Phenom ii x4 965 BE GA-MA-790FXT-UD5P Sapphire R9 290 Tri-x OC Kingston Value RAM 
RAMHard DriveHard DriveOptical Drive
Kingston Value RAM Seagate Barracuda (Died) WD Caviar Black Sony DVD/RW 
Optical DriveCoolingOSMonitor
Sony DVD/RW Xigmatec Aegir SD128264 Win 7 Home Premium 64 bit LG 2443T 
PowerCase
ThermalTake Toughpower 800 (Non modular) ThermalTake Eureka 
CPUMotherboardGraphicsRAM
Pentium 4 1.7Ghz Northwood Gigabyte GA-8ITX Creative GeForce3 Ti 500 Some generic Samsung 512Mb 
Hard DriveOptical DriveCoolingOS
Hitachi 80 Gb Plextor CD-DVD RW  What was that again? Windows 98 SE  
MonitorKeyboardPowerCase
15'' CRT Broken Yes,it has. Fridge 
MouseMouse PadAudio
In the lab for exeriments  To disect the mouse Audigy 3 
CPUMotherboardGraphicsRAM
5930k ASUS Rampage V Extreme Sapphire R9 290 Ripjaws V 2400MHz  
Hard DriveHard DriveCoolingOS
Intel 750 Series 400GB WD Caviar Black 1 Tb H-100i Win 7 64 bit Ultimate 
PowerCase
Super Flower 1600W Platinum Coolermaster Cosmos2 
  hide details  
Reply
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