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Overclocking iMac

post #1 of 15
Thread Starter 
Hello, I own an iMac, with an Intel(R) Core(TM)2 Duo CPU. I have not tried overclocking, nor would I know where to begin. Some enlightenment, suggestions, or tutorials would be helpful and greatly appreciated.
iMac8,1
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iMac8,1
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Intel(R) Core(TM)2 Duo CPU E8235 @ 2.80GHz (2) ATI Mobility Radeon HD 2600 XT (Omega 3.8.442) 4 GB RAM 
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154.5 GB NTFS ST3320820AS_Q Windows XP Professional (5.1, Build 2600) SP3 1920 x 1200 (32 bit) (60Hz) Apple 
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post #2 of 15
Not possible.

Macs do not overclock, only PCs. Sorry.
post #3 of 15
You really can't OC it since there is no way to access the BIOS. You can maybe OC it using software on XP but that's not recommended.
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Rig
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i7 5820K MSI X99A SLI PLUS EVGA GTX 1070 FTW 4x8GB G.Skill Ripjaws  
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Samsung 850 Pro Samsung 850 Evo Noctua NH-D15 Windows 10 
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post #4 of 15
Sorry, but no.
Sometimes.
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Sometimes.
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post #5 of 15
Thread Starter 
Ah, I understand. I have made another thread in regards to my ATI graphics card under my iMac. Is it possible to OC or do the same things occur?
iMac8,1
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Intel(R) Core(TM)2 Duo CPU E8235 @ 2.80GHz (2) ATI Mobility Radeon HD 2600 XT (Omega 3.8.442) 4 GB RAM 
Hard DriveOSMonitorKeyboard
154.5 GB NTFS ST3320820AS_Q Windows XP Professional (5.1, Build 2600) SP3 1920 x 1200 (32 bit) (60Hz) Apple 
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Dell 
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iMac8,1
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Intel(R) Core(TM)2 Duo CPU E8235 @ 2.80GHz (2) ATI Mobility Radeon HD 2600 XT (Omega 3.8.442) 4 GB RAM 
Hard DriveOSMonitorKeyboard
154.5 GB NTFS ST3320820AS_Q Windows XP Professional (5.1, Build 2600) SP3 1920 x 1200 (32 bit) (60Hz) Apple 
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Dell 
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post #6 of 15
It's almost impossible to overclock on a Mac, like Marin said. You COULD possibly try Boot Camp into XP/Vista and using software overclocking from there.
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post #7 of 15
Thread Starter 
Yeah, I am under Windows XP SP3 right now. As you can see in my Sys Specs..now which software would I need to attempt to overclock it from Windows?
iMac8,1
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CPUMotherboardGraphicsRAM
Intel(R) Core(TM)2 Duo CPU E8235 @ 2.80GHz (2) ATI Mobility Radeon HD 2600 XT (Omega 3.8.442) 4 GB RAM 
Hard DriveOSMonitorKeyboard
154.5 GB NTFS ST3320820AS_Q Windows XP Professional (5.1, Build 2600) SP3 1920 x 1200 (32 bit) (60Hz) Apple 
Mouse
Dell 
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iMac8,1
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel(R) Core(TM)2 Duo CPU E8235 @ 2.80GHz (2) ATI Mobility Radeon HD 2600 XT (Omega 3.8.442) 4 GB RAM 
Hard DriveOSMonitorKeyboard
154.5 GB NTFS ST3320820AS_Q Windows XP Professional (5.1, Build 2600) SP3 1920 x 1200 (32 bit) (60Hz) Apple 
Mouse
Dell 
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post #8 of 15
With mac there really isn't much hope I've heard.
     
CPUGraphicsRAMHard Drive
Intel Core m3-6Y30 Intel HD515 8GB 1866DDR3L Micron M600 MTFDDAV256MBF M.2, 256 GB 
CoolingOSOSMonitor
Fanless Win10 Home x64 Kubuntu 16.04 (requires Linux kernel 4.5/4.6) 13.3 inch 16:9, 1920x1080 pixel, AU Optronics A... 
CPUMotherboardGraphicsRAM
AthlonIIX4 640 3.62GHz (250x14.5) 2.5GHz NB Asus M4A785TD-M EVO MSI GTX275 (Stock 666) 8GBs of GSkill 1600 
RAMHard DriveHard DriveHard Drive
4GBs of Adata 1333 Kingston HyperX 3k 120GB WD Caviar Black 500GB Hitachi Deskstar 1TB 
Optical DriveCoolingOSOS
LG 8X BDR (WHL08S20) Cooler Master Hyper 212+ Kubuntu x64 Windows 7 x64 
OSMonitorPowerCase
Bodhi Linux x64 Acer G215H (1920x1080) Seasonic 520 HAF912 
CPUMotherboardGraphicsRAM
N450 1.8GHz AC and 1.66GHz batt ASUS proprietary for 1001P GMA3150 (can play bluray now!?) 1GB DDR2 
Hard DriveOptical DriveOSOS
160GB LGLHDLBDRE32X Bodhi Linux Fedora LXDE 
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Kubuntu SLAX 1280x600 + Dell 15inch Excellent! 
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CPUGraphicsRAMHard Drive
Intel Core m3-6Y30 Intel HD515 8GB 1866DDR3L Micron M600 MTFDDAV256MBF M.2, 256 GB 
CoolingOSOSMonitor
Fanless Win10 Home x64 Kubuntu 16.04 (requires Linux kernel 4.5/4.6) 13.3 inch 16:9, 1920x1080 pixel, AU Optronics A... 
CPUMotherboardGraphicsRAM
AthlonIIX4 640 3.62GHz (250x14.5) 2.5GHz NB Asus M4A785TD-M EVO MSI GTX275 (Stock 666) 8GBs of GSkill 1600 
RAMHard DriveHard DriveHard Drive
4GBs of Adata 1333 Kingston HyperX 3k 120GB WD Caviar Black 500GB Hitachi Deskstar 1TB 
Optical DriveCoolingOSOS
LG 8X BDR (WHL08S20) Cooler Master Hyper 212+ Kubuntu x64 Windows 7 x64 
OSMonitorPowerCase
Bodhi Linux x64 Acer G215H (1920x1080) Seasonic 520 HAF912 
CPUMotherboardGraphicsRAM
N450 1.8GHz AC and 1.66GHz batt ASUS proprietary for 1001P GMA3150 (can play bluray now!?) 1GB DDR2 
Hard DriveOptical DriveOSOS
160GB LGLHDLBDRE32X Bodhi Linux Fedora LXDE 
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post #9 of 15
probably Riva or ATI's thing I forgot its name. But that's only for the card.
     
CPUGraphicsRAMHard Drive
Intel Core m3-6Y30 Intel HD515 8GB 1866DDR3L Micron M600 MTFDDAV256MBF M.2, 256 GB 
CoolingOSOSMonitor
Fanless Win10 Home x64 Kubuntu 16.04 (requires Linux kernel 4.5/4.6) 13.3 inch 16:9, 1920x1080 pixel, AU Optronics A... 
CPUMotherboardGraphicsRAM
AthlonIIX4 640 3.62GHz (250x14.5) 2.5GHz NB Asus M4A785TD-M EVO MSI GTX275 (Stock 666) 8GBs of GSkill 1600 
RAMHard DriveHard DriveHard Drive
4GBs of Adata 1333 Kingston HyperX 3k 120GB WD Caviar Black 500GB Hitachi Deskstar 1TB 
Optical DriveCoolingOSOS
LG 8X BDR (WHL08S20) Cooler Master Hyper 212+ Kubuntu x64 Windows 7 x64 
OSMonitorPowerCase
Bodhi Linux x64 Acer G215H (1920x1080) Seasonic 520 HAF912 
CPUMotherboardGraphicsRAM
N450 1.8GHz AC and 1.66GHz batt ASUS proprietary for 1001P GMA3150 (can play bluray now!?) 1GB DDR2 
Hard DriveOptical DriveOSOS
160GB LGLHDLBDRE32X Bodhi Linux Fedora LXDE 
OSOSMonitorKeyboard
Kubuntu SLAX 1280x600 + Dell 15inch Excellent! 
PowerCase
6 cells=6-12hrs and a charger 1001P MU17 Black 
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CPUGraphicsRAMHard Drive
Intel Core m3-6Y30 Intel HD515 8GB 1866DDR3L Micron M600 MTFDDAV256MBF M.2, 256 GB 
CoolingOSOSMonitor
Fanless Win10 Home x64 Kubuntu 16.04 (requires Linux kernel 4.5/4.6) 13.3 inch 16:9, 1920x1080 pixel, AU Optronics A... 
CPUMotherboardGraphicsRAM
AthlonIIX4 640 3.62GHz (250x14.5) 2.5GHz NB Asus M4A785TD-M EVO MSI GTX275 (Stock 666) 8GBs of GSkill 1600 
RAMHard DriveHard DriveHard Drive
4GBs of Adata 1333 Kingston HyperX 3k 120GB WD Caviar Black 500GB Hitachi Deskstar 1TB 
Optical DriveCoolingOSOS
LG 8X BDR (WHL08S20) Cooler Master Hyper 212+ Kubuntu x64 Windows 7 x64 
OSMonitorPowerCase
Bodhi Linux x64 Acer G215H (1920x1080) Seasonic 520 HAF912 
CPUMotherboardGraphicsRAM
N450 1.8GHz AC and 1.66GHz batt ASUS proprietary for 1001P GMA3150 (can play bluray now!?) 1GB DDR2 
Hard DriveOptical DriveOSOS
160GB LGLHDLBDRE32X Bodhi Linux Fedora LXDE 
OSOSMonitorKeyboard
Kubuntu SLAX 1280x600 + Dell 15inch Excellent! 
PowerCase
6 cells=6-12hrs and a charger 1001P MU17 Black 
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post #10 of 15
Macs can't overclock. Get a PC

If you insist on overclocking the software way, go get Riva Tuner and some ATI oc software.
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Sandy the waffle
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Data server
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HTPC
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CPUMotherboardGraphicsGraphics
i7 2600k Gigabyte Z68X-UD5-B3 eVGA GTX580 eVGA GTX580 
RAMHard DriveHard DriveCooling
Corsair Vengence Samsung 840 Evo WD1001FALS Phobya UC-2 
OSMonitorPowerCase
Windows 10 Pro 22" LG HX1000 Corsair 900D 
Mouse
DeathAdder 
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i3 3220 S1200BTSR onboard KVR1333D3E9SK2/8G 
Hard DriveHard DriveHard DriveHard Drive
Patriot Inferno 60gb 8x WD5002ALX 4x ST2000DM001 2x WD10EALS 2x WD10EARS 
Hard DriveOSPowerCase
WD5000AAKS Windows Server 2008 R2 Antec TP550 RPC-4116 
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Areca ARC-1222 Dell Perc5/i 
CPUMotherboardGraphicsRAM
i5 750 Gigabyte H55N-USB3 Asus 5770 Direct CU II 8GB Kingston HyperX 
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250GB Momentus XT Accelero S1 Plus Windows 7 SilverStone ST45SF 
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