Overclocking is the process of forcing something to run at a speed higher than the manufacturer's intended specifications.

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Undervolting & Overclocking the Llano A6-3400M

The AMD A6-3400M comes with a significantly higher stock voltage than is needed to operate stably. Has anyone tweaked and stress tested all the P-states to lower voltages? I've stress tested the ...
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1answer
230 views

H61M-P23 B3 With I5 2500k - Is the multiplier locked?

I have seen a couple posts in some random places that say you cannot use an unlocked processor (K) with the 'H61M-P23 B3' motherboard. Can anyone verify this with a reference or explain their ...
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1answer
241 views

Dual channel the same in CMZ16GX3M4A1600C9 or 4 CMZ4GX3M1A1600C9?

I'm trying to decide between buying a 16GB (CMZ16GX3M4A1600C9) kit or 4 individual 4GB modules (CMZ4GX3M1A1600C9). For some reason the place I'm getting them from (not newegg) its cheaper to buy the ...
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1answer
2k views

Is it smart / possible to overclock a laptop?

This may sound kind of dumb but I curious. I have a Lenovo T400 laptop with an Intel T9400 CPU. Would it be possible to overclock my notebook? Would it be a really dumb thing to do? I would ...
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1answer
323 views

GPU running underclocked / under normal speed?

I have tried to overclock my card. Seemingly it worked, and the GPU-z shows the OC speed (see GPU3.png). However, current readings are REALLY far from the normal speed of the GPU. That's what I can't ...
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1answer
824 views

Overclocked Intel Core 2 Duo E4300, what now?

I have overclocked Intel® Core™2 Duo Processor E4300 CPU. I changed FSB from 200 to 220. Multiplier is x9. The old core speed was 9 x 200 = 1800 GHz. Now it's 1980 GHz. I runed memtest to 20 passes ...
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1answer
458 views

Overclocking GPU

I am running a AMD Radeon HD 3650 Graphics Card. My Graphics Card Software (Catalyst) came with overclocking software to overclock my GPU. I have a few questions though: How bad for my GPU is ...
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Is overclocking legal? [closed]

Is overclocking your CPU and GPU classified as being legal ? If so, why don't manufacturers make overclocking easier so that just about anyone is able to play around with it ? - at own risk of course. ...
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0answers
748 views

How can I overclock my Pentium 4? [duplicate]

Possible Duplicate: How to Overclock a Dell Inspiron 531? How to overclock Dual-Core CPU E5200? Lacking options in BIOS? I have these specs from Everest: CPU Properties CPU Type - Intel ...
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2answers
128 views

What should I consider to figure out the power needs for my PC?

I have opened up my tower and looked at the power supply case and all the numbers on it. I am very lost. I want to install a second graphics card into my machine so that I can connect a second ...
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0answers
73 views

How to get to BIOS with new faster memory

I built my machine in 2008, it has: mobo: MSI P45 Diamond CPU: Intel Q9450 RAM: 2GB (2 x 1GB) DDR3 1333 and various and sundry additional parts that I don't think have anything to do with my ...
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1answer
1k views

Overclock and Underclock graphics card using Registry Keys [closed]

Is it possible to use the registry to over clock or under clock a graphics card?
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1answer
7k views

How do I flash my RAM's SPD to make it work with a MacBook Pro?

I have an early 2011 17" MacBook Pro (MacBookPro8,3). I opted for the CPU upgrade (2.3 GHz), but decided to put in the extra memory myself. I briefly checked that the Intel specifications stated that ...
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1answer
7k views

Can I overclock an ATI Mobility Radeon HD 4250? If so, how?

Can I overclock ATI Mobility Radeon HD 4250? If so, how? My laptop is a Dell M5010 (aka 15R) with AMD Phenom II N850 69°C Caspian 45nm Technology, with 8GB Dual-Channel DDR3 @ 665MHz (9-9-9-24).
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Is it better to use an offset or manually set CPU voltage (with respect to CPU longevitity)?

The Background: I recently built a new computer, and I'm working with the ASUS P8Z68-V Pro motherboard and Intel i7 2600k processor. While this question does not pertain specifically to my hardware, ...
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2answers
645 views

Memory Overclocking

How do I overclock my system memory (DDR3 2000) to 2000MHz? I recently assembled a new system with the following memory and motherboard: Patriot Viper Xtreme 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 ...
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2answers
748 views

What alternative methods are available for overclocking?

I'm aware that overclocking software isn't exactly the best way to overclock your hardware, but I am not sure what else to do. I have a HP computer, which has HP's BIOS which eliminates a possibility ...
2
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1answer
2k views

How do I overclock a dual core processor?

This is a serious problem. I want to speed up my compilation process. I have never been especially fond of overclocking, however my current compilation time for my project makes my crazy! I found ...
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2answers
1k views

How to overclock an ATI/AMD graphic card further than Overdrive allows?

I've got a fresh HD 6850 overcloked to 850 MHz with OverDrive. I heard its possible to run it at 1000 MHz but how? Please don't educate me about the risks of overclocking!
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1answer
995 views

How to overclock Intel Pentium III 450 MhZ?

I hope this will help: Number of cores 1 (max 1) Number of threads 1 (max 1) Name Intel Pentium III Codename Katmai Specification Package (platform ID) Slot 1 SECC2 ...
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1answer
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At what working temperatures will my gpu not only survive, but have a long healthy life

There are plenty of questions about what a safe gpu temperature is, but these seem focused on what temperatures a gpu will survive at in the short term, regardless of whether it may shorten the cards ...
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How can I test actual CPU clock-speed in Linux

Good evening, I have a new Core i7-based Sandy Bridge machine. The machine was overclocked by the system builders so that it should run at 4.6Ghz when a single core is under load. However, the ...
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1answer
275 views

help! striped raid causing bsod!

This links to my previous question. I've been running my machine (mobo is XFX 790i Ultra Sli) off a raid 0 for a couple of years now with two Samsung f1 1tb drives with no problems. I've also been ...
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2answers
259 views

Help getting my memory running at it's rated speed

I'm running a 4Gb Kit (2x2Gb) Corsair XMS3 DHX DDR3-1600 RAM (can't find a product page any more but here's the exact same review I originally read that led me to buy the stuff, that gives hopefully ...
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2answers
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Is possible to overclock a SSD?

Anyone already had tried to or knows if it is possible to implement in some way an overclock an SSD (or get the same benefits by tunning some parameter on an SSD)?
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2answers
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Ram detection issues (12gb) on X58 Asus p6t deluxe motherboard (6 x 2gb ddr3 dimms)

I've been using this ASUS p6t deluxe + i7 920 + 3x2gb G Skill DDR3 1333 for more than 2 years without any issue. A few months ago, I added 3 more dimms, the exact same brand and model, bought from ...
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1answer
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How do I attain safe temperatures for my new i7-2600 non-k?

I'm apparently having some cooling problems. I recently moved from a Core 2 Quad Q6600 on a P5K with 4GB and a Asus ATI 5770 running Windows XPsp2 Pro, to an i7-2600 non-k on a P8P67 (latest BIOS) ...
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1answer
3k views

Can underclocking the GPU be dangerous?

I used to underclock my nVidia GeForce 8800GT by halving it's core and memory frequencies. This would make the card about 3 Celsius cooler. I would only bring it back to stock frequencies while ...
2
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1answer
1k views

Underclocking a P4 to get a power-efficient NAS

I own an old Pentium 4 541 (3.2GHz Prescott) box which I want to convert to a NAS machine. As a NAS, it won't stress the CPU, and will probably sit idle most of the time. The problem is that P4's ...
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2answers
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Overclocking i5-2500K and Warranty [closed]

I might be building a computer for one of my friends soon and I decided to get an i5-2500K for slight overclocking and he's scared of voiding the warranty so I'm wondering: Is the warranty void after ...
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1answer
342 views

Is overclocking worth it? [duplicate]

Possible Duplicate: Should I overclock a dying PC? I have a (relatively) old computer running WinXP SP3 with an AMD Athlon XP 2800+ processor that I am thinking about overclocking to try to ...
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1answer
129 views

Motherboards with overclocking disabled

As a system builder I don't want my clients overclocking their systems. How can I find motherboards that don't allow overclocking? Is it possible to disable overclocking on existing motherboards (via ...
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2answers
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Over/underclock 5870 on linux without limits?

I want to downclock my Ati Radeon HD5870's memory to 300Mhz and overclock it's core frequency to 930Mhz. I can do this on windows using Ati Tray Tools. On linux, the only way to do this so far has ...
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2answers
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When is it safe to use AMD Overdrive?

I have a Radeon HD 6950, and its temperatures seem okay, so I was wondering what I would have to do to use AMD Overdrive. Would it be safe? Could I set all the adjusters to their maximums? What would ...
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1answer
618 views

Is it bad to run ram at higher voltage?

Let me start with I know nothing about overclocking. All I know is that my machine won't boot with all 6 ram slots full. The ram I have is supposed to be at 1.5v but in order to even boot my system ...
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1answer
551 views

when i set my FSB to 400mhz in bios it actually stays at 333mhz

My front side bus (FSB) is rated for a maximum of 400mhz (Rated FSB 1600MHz). In fact, it used to run at 400mhz until recently. I'm trying to overclock my E8400 to 3.6GHz. I have done that in the ...
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7answers
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Why are modern CPUs “underclocked”?

I keep reading since years about magical overclockability of modern CPUs. It is said that CPUs (with open multiplier) which are shipped to customers with (let's say) preset 3GHz, can be overclocked ...
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2answers
668 views

Where is the “TurboV” manual?

I have a PC with an ASUS P6T SE motherboard and an i7 920 processor. I noticed that the machine came with some software called "Turbo V" which appears to allow overclocking - but I can not find any ...
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1answer
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Understanding GPU clock rates

I know how to overclock my CPU (mess with multiplier, and bus speed)... However, I've noticed that it seems a bit more complicated with GPU's. How and where do I start? I've noticed that I can adjust ...
2
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2answers
656 views

Why doesn't my computer work at full speed?

My motherboard is a Gigabyte GA-8I915PL-G with an Intel Pentium 4 630 3,0 GHz which doesn't run at it's default speed. It's currently at FSB 800, CPU Host 200 and CPU 3000 MHz; but sometimes it runs ...
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2answers
512 views

OC'd video card, now seeing artifacts

I overclocked my 5850 to 775/1250 (using AMD Overdrive) for maybe an hour. I don't think the temperature rose above the low 80's (Celsius, of course), but I started seeing artifacts so I put it back ...
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2answers
361 views

Live overclocking on Windows

I saw this question and just had to ask. How can I do this on my own PC, where do I find this software if it exists for your computer and what can I do? I never considered overclocking before ...
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4answers
319 views

i7 overclocking problem

I've got an overclocked system that seems to be misbehaving. When trying to boot up from cold the system just hangs and nothing is output to the screen. Fans are on as they should but nothing ...
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1answer
922 views

Radeon HD 3850 temperatures when overclocking?

I'm overclocking my Radeon HD 3850 using ATI's Catalyst Control Center. I let the Auto-Tune feature run and kept the settings. I was pushiing 110 C while running Starcraft 2 on High with the ...
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1answer
91 views

Overclocking the AMD Phenom II X4 940BE

I'm not sure if this is the best site to post this sort of question if it isn't then I do apologize, other than that I hope I get relatively quick and good response :) Firstly, I have already ...
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2answers
2k views

How to overclock Dual-Core CPU E5200? Lacking options in BIOS?

This is serious problem. I want to speed up my compilation process. I have never been special fun of overclocking, however time of compilation of my current project makes my crazy! I found ...
0
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1answer
202 views

Overclocking Q6600 …doesn't work

Maybe this is a really generic question but I found no answer, and Q6600 is a really popular CPU. I've tried the HOWTOs on Google, all the stuff I could find. However, once I set some higher FSB ...
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1answer
491 views

Lenovo N500 Overclocking/Upgrade

I have a Lenovo N500 42336BU laptop and want to know how to overclock it. Also want to know what CPUs are compatible upgrades to the Intel T3400 in this machine.
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1answer
2k views

Overclocking a Dual GPU Crossfire setup?

I just added another HD 4890 to my current setup to run the two in crossfire. If I now want to overclock them via Catalyst, do I need to tweak the clocks on both the cards manually, or can I ...
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1answer
1k views

Overclocking software for AMD? [closed]

I know that software-based overclocking is a bad idea - the problem is I am in a bit of a predicament. I am busy with an AI project that is due soon. I am busy running some very CPU intensive ...