A CPU (Central Processing Unit) is the chip responsible for actually "doing" most the instructions given to a computer.

learn more… | top users | synonyms (2)

-1
votes
1answer
55 views

What memory do I need for my new CPU?

I upgraded my CPU, and it will only run with one of my three different memory sticks. The previous CPU ran with (and loaded) all three sticks. So I guess I have to buy some new sticks(?), however - ...
1
vote
0answers
64 views

Computer beeping with new CPU (won't start)

I tried upgrading my processor but when I boot it gives me 1 short + 1 long beep (repeating on a black/blank screen). Which would be a memory problem according to the manual. Nothing wrong with my ...
0
votes
1answer
74 views

After vacuuming, computer will not startup/POST, stuck in boot loop (MSI P67A-GD65 (B3) CPU Phase 1 LED Loop)

This is a computer I built myself. It was really dusty. I opened it up, and vaccuumed it out (which apparently you should never do). At one point I took out the CPU fan, exposing the old thermal ...
0
votes
0answers
31 views

CPU stepping and BIOS support

My Z77 motherboard supports a number of Xeon CPUs, which I'd like to upgrade to since they're a little bit cheaper than an i7. The CPU support list for my mobo indicates support for E0 stepping for ...
0
votes
3answers
62 views

Why upscale CPUs consumes more power even when idle?

A core i7 have a tdp around 80W and whereas a N3150 is 6W. My question is what prevents founders to build CPUs with a proportionate consumption with performance. Said differntly, why can I not have ...
0
votes
1answer
24 views

Can silicone screws safely contact CPU heatsink?

I've recently bought a 92mm Zalman cooler in order to replace my dead CPU fan without changing the heatsink. It comes with silicone pins like these Is it safe for them to come in direct contact ...
1
vote
0answers
19 views

Damaging Mainboard/CPU with a overhead transparency?

So yeah.. I recently accidently bent some of my LGA1150 CPU pins and the seller won't replace it, so I have to fix it by my own. What I'm asking myself is, Can I damage or short out my mainboard by ...
0
votes
0answers
56 views

Is my CPU broken?

I recently overclocked my CPU (Intel Core 2 Duo E7300) , from 2.66GHz to 3.6GHz. The temperature has never reached above 75 Celsius. When I benchmarked the CPU with CPU-Z, it showed: single thread ...
-1
votes
1answer
15 views

What's the best and efficient choice between 'T', 'K' and Regular Intel Processors

What is the best choice when selecting intel processors considering its specs and performance with hardcore usage. The options are: 'K' Unlocked Processor 'T' Power-optimized lifestyle and the ...
-2
votes
1answer
51 views

Is P5L-MX Motherboard supporting Intel Core2Duo E8500?

I want to know that Is P5L-MX Motherboard supporting Intel Core2Duo E8500 ? Should I have to buy E6600 instead E8500?
-11
votes
2answers
94 views

Why do we need a CPU clock [closed]

I'm very confused regarding the working of a cpu clock.The following questions arise in my mind-What is the need of a clock in a cpu ? What does synchronization mean in context of working of a cpu ? ...
0
votes
0answers
18 views

Isn't overall cache miss time more than direct ram access time

Suppose there is a computer with three cache's L1,L2(inside the processor) and L3(external to the cpu) and a RAM. Now suppose CPU need to access data "ABC" for some operation which is definitely ...
0
votes
1answer
78 views

How does physical distance between processor and memory/cache affect data transfer speeds

The L1 cache is situated inside the cpu to speed up the process of data access but since electrical signals travel at the speed of light(almost constant) which is blazingly fast then how does distance ...
0
votes
2answers
1k views

How to monitor CPU-GPU temperature and load in Windows 10?

I am used to monitor system's characteristics by lm-sensors hddtemp psensor in Ubuntu Linux. I would like to get a similar monitoring setting as psensor in Windows 10 Enterprise. My processor is ...
0
votes
0answers
36 views

How to reduce heat in my system?

I have a desktop PC, which was mounted for me by a friend. It is running OpenSUSE 13.2. This is the installed configuration: Motherboard: ASUS P9X79 Pro Processor: Intel Xeon E5/Core i7 RAM: 4 x ...
0
votes
0answers
18 views

Pc shuts off 10 seconds after being turned on

So the other day i bought a new cpu and it turned out it isnt compatible with my motherboard(will be buying a new motherboard in a couple weeks) and after putting my old cpu back into place and trying ...
0
votes
1answer
171 views

Do I need two fans on the radiator of my CPU?

I ordered a water cooling all-in-one solution for my CPU and I was wondering if I really need both fans that come shipped with it, or if one fan is enough. What I am talking about is one of those ...
0
votes
0answers
285 views

Overclocking an AMD FX-8320E Black Edition

I upgraded my motherbord and processor because my previous CPU (an AMD Athlon Phenom II X4 965 @4x3.4Ghz Black ed.) was not giving me the performance I need. I am a musician and I need raw core ...
0
votes
1answer
68 views

Use Computer's GPU's Processor and Memory as secondary CPU and RAM respectively

I have a HP dv6 Entertainment Edition Laptop that has an ATI Mobility Radeon HD 4650 GPU, but I don't play games so the GPU is sitting unused. I was wondering whether I can use the GPU's Processor as ...
0
votes
1answer
38 views

Video card error: Driver or Hardware?

Last night, I came home to find that one of my screens on my PC was grey with loads of white lines through it. I had to force it shut down, and I saw the error "Video Card Error". I have the new AMD ...
0
votes
0answers
36 views

Windows 8 and 10 slight video lag (core i5 5200u, Intel HD 5000)

I have recently bought a Lenovo Yoga 3 14' ultrabook with Intel Core i5 5200u processor, Intel HD 5000 integrated and discrete Nvidia GT940m graphics cards. I am satisfied with the products - it is ...
0
votes
0answers
27 views

Intel Core i7-4790K running rather hot with boxed cooler

I am running a Core i7-4790K with the bundled cooler that came in the boxed version of the processor. From an old Sandy Bridge system I built I had the experience that the boxed cooler was actually ...
0
votes
2answers
100 views

Is 40 degrees Celsius a bad temperature for a router?

I turned my old gaming pc into a pfsense machine. I never had cpu problems when I used that pc but now when I check the diagnostics on the pfsense gui, the cpu is running at 40 degrees. That's ...
0
votes
1answer
77 views

Mainboard doesn't support my CPU

I've bought a new Mainboard Asus h61m-g and I have got some issues with it namely that my CPU intel core i7 2600 is not supported. At the start of booting it gives me message: This CPU is not ...
0
votes
1answer
67 views

What does one have to consider before upgrading laptops CPU [duplicate]

this question is not similar to this, because the other one is about one pc in specific and mine is about any pc. Upgrading laptop processor I have found a intel core i7 octa core (with Intel vpro) ...
0
votes
1answer
79 views

My computer is acting weird after I upgraded the processor and ram

I built a desktop computer on budget and the specs were Msi 760gm- p23 Motherboard Amd Sempron 145 LOGISYS Computer PS480D-BK 480W ATX12V Power Supply 4GB RAM (4×1) Today I got a new processor ...
0
votes
0answers
24 views

USB key repeats, and mouse click repeats

I recently changed my motherboard and processor, and reinstalled Windows at the same time. Since then my computer has been acting quite strange and the only things I can put it down to is a short ...
1
vote
1answer
43 views

Slower performance on a better server?

Yesterday I've imported 10 million rows into MySQL in about 1 hour, using SomeHosting's: 2C CPU/4GB Memory/60GB SSD [Ubuntu 14.04 64-bit] Today I've imported only 500k rows in 1 hour, using my ...
0
votes
0answers
23 views

GPU/CPU workload is low but games are lagging (Tested PSU) Win10

Well I run into this issue after running this system for a few months without any problems. I tried to downgrade my gpu driver, restored windows to a point where the system was fine, checked the psu ...
-1
votes
1answer
41 views

Will a cooler master hyper 212 evo fit in a x11 advanced x-station case?

I have a x11 advanced x-station case with an amd fx-6300 processor inside. I'm currently using the stock heat sink which isn't that great. Will a cooler master hyper 212 evo fit in the case? Edit: My ...
1
vote
1answer
180 views

Windows 10 Task Manager: CPU Speed Rises Above Maximum Speed

I wonder if it Windows 10 changing behaviour in recent major update. I am using Windows 10.0.10586. I am well aware of TurboBoost that mentioned in this SuperUser question. My CPU could hit 2.70GHz in ...
0
votes
1answer
37 views

Are popular benchmarks valid comparisons of architectures?

Recently, people have been very excited over Apple's ARM processor capabilities, citing benchmarks results that rival x86 processors. However, I am kind of skeptical of these benchmarks: though the ...
0
votes
1answer
88 views

Random shutdowns and restarts

I could use some fresh thoughts regarding my shutdown issue. So, about 2 weeks ago my pc started to occasionally restart while playing games. Sometimes it happens after 4-10 minutes but occasionally ...
0
votes
1answer
49 views

AMD processor to an Intel processor [closed]

I've got an AMD FX 8320 as CPU and I wanted to upgrade it to an Intel i7 4790k. I just don't know if the CPU will fit in the motherboard I have now. The AMD fits. This is my motherboard. Will the ...
2
votes
1answer
32 views

Where are hardware interrupt handlers stored?

I've been doing some research on interrupts and it seems that pointers to software interrupt handlers are located in the first 1024 bytes of memory. I haven't been able to find anything about the ...
35
votes
4answers
3k views

Is the CPU active in Sleep mode?

Suppose on a Windows OS, you toggle the computer to go into sleep mode and put it away. As far as I know there will no programs or processes will be running. But would the processor still be running ...
0
votes
0answers
19 views

RAM of choice for a 1066Mhz Triple-Channel board? (>=8GB)

Hello there and thanks for your time. Here is my question as Google only gives on option which is strange. I have a sabertooth X58 mainboard (Third-Hand) from ASUS and I need more RAM. My question ...
-6
votes
1answer
63 views

Edit VM setting so he configurate like a 84-bit processor [closed]

How can I the virtual machine settings change from an ESXi5 64-bit machine so that I can configurate it like a 84-bit operation? I'll nothing change to my guest operation system! This virtual ...
0
votes
0answers
48 views

CPU fans gradually turn to max power, unusual PSU & motherboard config

https://drive.google.com/folder/d/0B0ijOBuJiVJnQ1ZLdUlRQTlkY28/edit I am giving an old PC of mine away, and decided to turn it on one last time before I gave it away. The fans start out silent and ...
0
votes
1answer
253 views

If a motherboard can support 3rd & 2nd generation processor, can it support 1st generation processors?

I have just bought a core i3 first generation(Intel® Core™ i3-530 Processor (4M Cache, 2.93 GHz Socket LGA1156) but I looked up the website of the motherboard(H61M-K ASUS) and it showed me this:- ...
0
votes
1answer
37 views

Are process schedulers implemented at OS level or Hardware level?

Are process schedulers implemented in software or hardware? If it's done in hardware how does the hardware keep track of the number of processes and where they're located when they're inactive? If ...
3
votes
1answer
82 views

Processor architecture 32bit and 64 bit

I have a question about the processor architecture of 32 bit and 64 bit systems. When you work with a 64 bit system, I suppose it means you have a 64 bit wide addressbus of byte-addressable memory ...
0
votes
0answers
44 views

Adobe Premiere and Media Encoder randomly can't encode video

I have a mid-range computer setup which I use to do a lot of video editing and 3D rendering. Usually, it works fine, although I can't do 3D rendering (using Blender) on the GPU because there isn't ...
0
votes
1answer
76 views

Can upward CPU dual fan cooling cause heat issues?

These are the components I have: MB: Gigabyte 970A-D3P Heatsink: CM Hyper T4 Case: Bitfenix Neos The following picture is the heatsink setup with 2 fans: As you can see, the air flows upwards, ...
-1
votes
2answers
51 views

Why can't I find a tool that lowers the priority of background processes in Windows? [closed]

Since I have started using Windows 10, I contantly have lots of applications open on different desktops. I for example, often have a dozen WinSCP instances open. Each of these take up a few percent of ...
0
votes
0answers
22 views

CPU x86 - external interrupt invokes exception handler

If I will be wrong, please correct me. In x86 architecture, there are 256 interrupt vectors. The first 32 are exceptions/internal interrupts/synchronous interrupts. What will happen if external device ...
3
votes
3answers
87 views

How do I diagnose a hard Linux crash?

I have a home-built Linux server (Ubuntu 12.04.5 LTS, Intel i5-3570K, 8GB RAM) acting primarily as a mail and web server. It operates in console mode only (no GUI). I will SSH to it now and then, ...
0
votes
1answer
54 views

which one of these units is not located in the microprocessor?

I'm doing a test on general computer science and I think the answer sheet is wrong. The question is as follows: which one of these units is not located in the microprocessor? 1) Cache ...
3
votes
1answer
227 views

Why / How is Adobe Premier Pro CC using over 100% of my CPU

So I've started a render. My MacBook Pro starts smelling like burnt feet. I open activity monitor and see the following: So currently with those two processes alone I'm running over 300% of my CPUs ...
0
votes
0answers
21 views

System tick timer interrupt in SMP

Is system tick timer interrupt in SMP system synchronized among CPUs/cores? If not, how is it solved?* Sorry for my English. EDIT: With system tick timer interrupt I mean interrupt from system timer ...