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Why can I not change the multiplier?

post #1 of 15
Thread Starter 
I have the acer predator crusader 2. i7 950 water cooled intel x58.

Now I decided to do a little o/c and read as much as I could and looked at other peoples postings. In bios the settings are 133x23. I can change 133 to a maximum of 200. I got up to 161 but noticed the temps rising quite sharp.
I then went back to bios and tried to change the multiplier but it will not let me. I turned turbo mode off and it still wont let me. Anyone know why it will not let me change the multiplier?
    
CPUGraphicsRAMHard Drive
i7 950 Bloomfield GTX 470 x 2 SLi 6g 1066 1 TB 
OSMonitorKeyboardPower
Windows 7 Acer GD245HD Logitech G11 1000w 
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Predator Logitech G500 
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CPUGraphicsRAMHard Drive
i7 950 Bloomfield GTX 470 x 2 SLi 6g 1066 1 TB 
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Windows 7 Acer GD245HD Logitech G11 1000w 
CaseMouse
Predator Logitech G500 
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post #2 of 15
prebuilt machines sometimes have limitations on the bios especially if its using an OEM board
     
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CPUCPUMotherboardGraphics
Xeon x5650 Xeon X5650 EVGA Classified SR2 EVGA GTX 680 FTW 
GraphicsRAMHard DriveHard Drive
EVGA GTX 680 FTW 24 GB DDR3 1600Mhz C9 1 TB WD Black 1 TB WD Black 
Hard DriveHard DriveHard DriveHard Drive
1 TB WD Black 1 TB WD Black Kington Hyper X 3k 120GB OCZ Vertex 3 120GB 
OSPower
Windows 8 Cooler Master Silent Pro Hybrid 1050w 
CPUMotherboardGraphicsRAM
3930k Intel ES ASrock X79 Extreme4-m GTX 680 16GB 1600Mhz DDR3 
Hard DriveHard DriveOptical DriveCooling
240GB Samsung EVO SSD 2TB WD Green DVDrw Cooler Master Nepton 240m 
OSPowerCase
Windows 7 Ultmate Cooler Master VS550 Cooler Master Silencio 352 
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post #3 of 15
What motherboard and BIOS version are you using?
My System
(16 items)
 
  
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i7 5820K @4.4ghz Asus X99-S EVGA GTX680 2GB 32GB Crucial 2133MHz DDR4 
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120GB Samsung 830 | 120GB Samsung 840 EVO | 6TB... Noctua NH-D14 Windows 8.1 Achieva Shimian 27" 1440p 
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My System
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 5820K @4.4ghz Asus X99-S EVGA GTX680 2GB 32GB Crucial 2133MHz DDR4 
Hard DriveCoolingOSMonitor
120GB Samsung 830 | 120GB Samsung 840 EVO | 6TB... Noctua NH-D14 Windows 8.1 Achieva Shimian 27" 1440p 
MonitorPowerCaseAudio
Dell U2311h (Portrait) Corsair HX520 NZXT Phantom White Asus Xonar D2X -> Samson SR850 or HiFi 
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post #4 of 15
Thread Starter 
Im not on my PC at the moment. But the Bios is American Megatrends
Will take a look when I get home. The reason I bought this PC was they advertised that it was easy to o/c? I have had it to 3.8Mhz but she starts to get a bit warm
    
CPUGraphicsRAMHard Drive
i7 950 Bloomfield GTX 470 x 2 SLi 6g 1066 1 TB 
OSMonitorKeyboardPower
Windows 7 Acer GD245HD Logitech G11 1000w 
CaseMouse
Predator Logitech G500 
  hide details  
Reply
    
CPUGraphicsRAMHard Drive
i7 950 Bloomfield GTX 470 x 2 SLi 6g 1066 1 TB 
OSMonitorKeyboardPower
Windows 7 Acer GD245HD Logitech G11 1000w 
CaseMouse
Predator Logitech G500 
  hide details  
Reply
post #5 of 15
if you know what the mainboard is it would be a lot easier to help you smile.gif but as i said before, premanufactured pcs usually use OEM stuff. so it could be entirely locked off. if it starts getting warm, u may want to lower the voltage
     
CPUCPUMotherboardGraphics
Xeon x5650 Xeon X5650 EVGA Classified SR2 EVGA GTX 680 FTW 
GraphicsRAMHard DriveHard Drive
EVGA GTX 680 FTW 24 GB DDR3 1600Mhz C9 1 TB WD Black 1 TB WD Black 
Hard DriveHard DriveHard DriveHard Drive
1 TB WD Black 1 TB WD Black Kington Hyper X 3k 120GB OCZ Vertex 3 120GB 
OSPower
Windows 8 Cooler Master Silent Pro Hybrid 1050w 
CPUMotherboardGraphicsRAM
3930k Intel ES ASrock X79 Extreme4-m GTX 680 16GB 1600Mhz DDR3 
Hard DriveHard DriveOptical DriveCooling
240GB Samsung EVO SSD 2TB WD Green DVDrw Cooler Master Nepton 240m 
OSPowerCase
Windows 7 Ultmate Cooler Master VS550 Cooler Master Silencio 352 
  hide details  
Reply
     
CPUCPUMotherboardGraphics
Xeon x5650 Xeon X5650 EVGA Classified SR2 EVGA GTX 680 FTW 
GraphicsRAMHard DriveHard Drive
EVGA GTX 680 FTW 24 GB DDR3 1600Mhz C9 1 TB WD Black 1 TB WD Black 
Hard DriveHard DriveHard DriveHard Drive
1 TB WD Black 1 TB WD Black Kington Hyper X 3k 120GB OCZ Vertex 3 120GB 
OSPower
Windows 8 Cooler Master Silent Pro Hybrid 1050w 
CPUMotherboardGraphicsRAM
3930k Intel ES ASrock X79 Extreme4-m GTX 680 16GB 1600Mhz DDR3 
Hard DriveHard DriveOptical DriveCooling
240GB Samsung EVO SSD 2TB WD Green DVDrw Cooler Master Nepton 240m 
OSPowerCase
Windows 7 Ultmate Cooler Master VS550 Cooler Master Silencio 352 
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Reply
post #6 of 15
Thread Starter 
Heres what I get from CPUZ:
Manufacturer: Acer
Model: Predator
Chipset: Intel, X58, Rev.13
Southbridge: Interl 82801JR(ICH10R) Rev.00
LPCIO: Fintek F71882F

BIOS
Brand: American Megatrends Inc.
Version: P01-A2
Date: 03/31/2010

Graphic Interface
Version: PCI-Express
Link Width x16 Max. Supported x16

Any ideas? I even tried pressing Ctrl F1, Ctrl F9, Ins, Del. But nothing.
    
CPUGraphicsRAMHard Drive
i7 950 Bloomfield GTX 470 x 2 SLi 6g 1066 1 TB 
OSMonitorKeyboardPower
Windows 7 Acer GD245HD Logitech G11 1000w 
CaseMouse
Predator Logitech G500 
  hide details  
Reply
    
CPUGraphicsRAMHard Drive
i7 950 Bloomfield GTX 470 x 2 SLi 6g 1066 1 TB 
OSMonitorKeyboardPower
Windows 7 Acer GD245HD Logitech G11 1000w 
CaseMouse
Predator Logitech G500 
  hide details  
Reply
post #7 of 15
Yep, it's most likely a sealed bios that has limited OCing abilities.
The Wtfer
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The Wtfer
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 2600K ASUS P8Z68-V PRO EVGA GTX 465 w/ 470 Shaders/Memory/Clocks 8GB G.Skill DDR3 1866 
Hard DriveOptical DriveOSMonitor
Samsung F3 1TB LG 22X DVD±R DVD Burner Windows 7 Professional 64-Bit Dell U2311H + LG W2242S 
PowerCase
Corsair 750TX Coolermaster RC-692 Advanced 
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post #8 of 15
in which case no overclocking. sorry.
     
CPUCPUMotherboardGraphics
Xeon x5650 Xeon X5650 EVGA Classified SR2 EVGA GTX 680 FTW 
GraphicsRAMHard DriveHard Drive
EVGA GTX 680 FTW 24 GB DDR3 1600Mhz C9 1 TB WD Black 1 TB WD Black 
Hard DriveHard DriveHard DriveHard Drive
1 TB WD Black 1 TB WD Black Kington Hyper X 3k 120GB OCZ Vertex 3 120GB 
OSPower
Windows 8 Cooler Master Silent Pro Hybrid 1050w 
CPUMotherboardGraphicsRAM
3930k Intel ES ASrock X79 Extreme4-m GTX 680 16GB 1600Mhz DDR3 
Hard DriveHard DriveOptical DriveCooling
240GB Samsung EVO SSD 2TB WD Green DVDrw Cooler Master Nepton 240m 
OSPowerCase
Windows 7 Ultmate Cooler Master VS550 Cooler Master Silencio 352 
  hide details  
Reply
     
CPUCPUMotherboardGraphics
Xeon x5650 Xeon X5650 EVGA Classified SR2 EVGA GTX 680 FTW 
GraphicsRAMHard DriveHard Drive
EVGA GTX 680 FTW 24 GB DDR3 1600Mhz C9 1 TB WD Black 1 TB WD Black 
Hard DriveHard DriveHard DriveHard Drive
1 TB WD Black 1 TB WD Black Kington Hyper X 3k 120GB OCZ Vertex 3 120GB 
OSPower
Windows 8 Cooler Master Silent Pro Hybrid 1050w 
CPUMotherboardGraphicsRAM
3930k Intel ES ASrock X79 Extreme4-m GTX 680 16GB 1600Mhz DDR3 
Hard DriveHard DriveOptical DriveCooling
240GB Samsung EVO SSD 2TB WD Green DVDrw Cooler Master Nepton 240m 
OSPowerCase
Windows 7 Ultmate Cooler Master VS550 Cooler Master Silencio 352 
  hide details  
Reply
post #9 of 15
Thread Starter 
But I can increase all the other settings. I have left everything else as was and just increase the Bus Speed to 155 from 133 and am showing 3886Mhz?
    
CPUGraphicsRAMHard Drive
i7 950 Bloomfield GTX 470 x 2 SLi 6g 1066 1 TB 
OSMonitorKeyboardPower
Windows 7 Acer GD245HD Logitech G11 1000w 
CaseMouse
Predator Logitech G500 
  hide details  
Reply
    
CPUGraphicsRAMHard Drive
i7 950 Bloomfield GTX 470 x 2 SLi 6g 1066 1 TB 
OSMonitorKeyboardPower
Windows 7 Acer GD245HD Logitech G11 1000w 
CaseMouse
Predator Logitech G500 
  hide details  
Reply
post #10 of 15
The first thing in this thread should have been:
Your CPU is not a K series so your multiplier is locked. You have to OC With the FSB.
Micro Mule
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Micro Mule
(11 items)
 
  
CPUMotherboardGraphicsRAM
i7 6700k MSI Z170I Gaming Pro AC Gigabyte GTX 1070 G1 Gaming 16GB GSkill Ripjaws V DDR4 3200 
Hard DriveCoolingMonitorPower
250GB Crucial MX200, 960GB Adata , 1TB WD Black Noctua NH-L12 LG 27UD68 4k Seasonic M12II 620W 
CaseMouseAudio
Corsair Obsidian 250D Logitech Performance Mouse MX Topping TP-30 Mk2, 2x Polk M10, Sony MDR-7506 
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