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

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Dell Laptop - 100% CPU usage when using Docking station

Update: I just tried replicating this issue again on my windows side, and doesn't seem to be happening anymore. However, when im running ubuntu it becomes extremely slow. So this could actually be a ...
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1answer
8 views

A way to tell how much cumulative processing a script uses

I was going to install a script on my web hosting account, and they said they were concerned that it would take too much CPU to run. I know you can monitor the instantaneous use of a process with ...
0
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1answer
28 views

What is the actual performance difference between 2.5 and 2.9 GHz processor for MacBook Pro?

I am planning to buy the MacBook Pro with 15 inch screen size, 16 GB RAM and 2.5 GHz processor (http://store.apple.com/pt/buy-mac/macbook-pro?product=MGXC2PO/A&step=config). It is also available ...
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1answer
37 views

CPU is hot and CPU fan making very many RPMs and much noise. (CPU fan not listed in speedfan)

On Saturday I replaced the motherboard of my computer because my old motherboard wasn't working anymore. Everything went well, and after some tries my PC was booting and working! I noticed the CPU fan ...
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8 views

Measuring squid proxy bottleneck / requirements

We want to setup a squid proxy server in our company. There will be about 40 parallel connections (20 mobile devices, 20 desktop/laptops). The total bandwidth we have is 6mbps (behind a cisco router ...
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27 views

Special hardware for computer programs to run on modern computers? [on hold]

My mother says that there's a program that communicates with a school over the internet and it needs something "specific" or "special" to work. I asked her, but she says she doesn't know what it is. ...
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0answers
33 views

What should I upgrade to speed up my computer for better performance for game playing? [on hold]

My computer is Compaq Presario SR1817CL Desktop PC. It has its original PROCESSOR (AMD Athlon 64 processor 3200+ 2.0GHz) and Motherboard (AmberineM-GL6E) it came with. I did add more memory (3GB), ...
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1answer
27 views

What specs should I consider for playing/streaming 4K to 8K video perfectly?

I am buying a massive, 4K screen, and might consider one closer to 8K instead. Since these screens are very capable of rendering the full brink of every pixel sent to it by a powerful GPU, what specs, ...
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31 views

How to diagnose slow (only for awhile after start) Windows 7 machine?

I've got a Lenovo Ideapad, with a dual core Atom processor and Windows 7 that exhibits some odd behaviour. It's insanely slow right after boot. The disk drive will be lit up solid and grinding away ...
0
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3answers
44 views

CPU temp is hitting 83 C (181 F) in BIOS: Normal?

My BIOS is reporting that my Intel Core 2 Duo E6400 on a Asus P5B Deluxe is hitting 83 C (181 F). No overclocking. I haven't done anything intensive at all. Just to check SpeedFan hits similar ...
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17 views

What is the proper CPU usage of a process on LInux i.MX6?

I am currently developing an application running on Linux 3.10, for a Freescale i.MX6S (single core). Currently, "top" reports this: top - 03:07:35 up 1:58, 3 users, load average: 0.85, 1.10, ...
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21 views

replacing fan for laptop..two square component with thermal pad attached

I am replacing the fan on laptop and next to the CPU are 2 small square components that had a blue thermal pad attached, the pad has started coming apart. question is 1. what are those two items? ...
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0answers
27 views

Do virtual machines not allow all host CPU extensions?

For convenience's sake I'm trying to run an otherwise "regular" installation of Gentoo Linux as a guest inside VirtualBox on a Windows 7 host. I bootstrapped the installation by using VirtualBox, ...
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2answers
39 views

How does a CPU decide which transistors to use? [on hold]

Perhaps I'm not thinking about this correctly, but when you give the CPU a command such as Multiply Registers (MR) R2,R4 how does it decide which logic gates it will use, is it just the first gates ...
3
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1answer
74 views

Intel Dynamic Platform and Thermal Framework Settings - what exactly do they do?

Despite the fact that virtually all modern Dell laptops (and probably others) are supposed to have the Intel Dynamic Platform & Thermal Framework Driver installed, I couldn't find any end-user ...
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3answers
46 views

Will I perceive speed improvement with more ram?

I have a Toshiba Satellite L855-S5240. The current specs are, Intel® Core™ i5-2450M Processor2.5 GHz, (3.1 GHz with Turbo Boost Technology 2.0), 3MB L3 Cache Mobile Intel® HM76 Express ...
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0answers
15 views

Building a computer, no output from on board video after power up

My son and I assembled the whole computer including tower, motherboard, cpu + cooler, graphics card, memory, hard disk, monitor, keyboard and mouse. When we power it up, we saw nothing on the screen, ...
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2answers
84 views

CPU usage is 100% because of svchost.exe windows 7

It has been a while now since my laptop started being very slow and cpu usage is 100% almost all the time. I downloaded process monitor and below is the process details that is taking most of the ...
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1answer
50 views

Windows 8.1 x64 installation without PrefetchW Support?

I'm having Intel(R) Pentium(R) 4 CPU 3.00GHz Processor with 2GB RAM. While trying to install Windows 8.1 Pro 64-Bit i gave me an error saying that the processor is not compatible with Windows 8.1 Pro ...
0
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1answer
32 views

Adaptive per-user CPU quota/priority in Windows 8.1

We have a workstation computer in the office running Win 8.1 where multiple users remotely run cpu-intensive processes at the same time. The problem is that one user can hog the cpu making all ...
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3answers
179 views

Why is CPU performance calculated in frequencies instead of Mbit/s? [on hold]

Why is CPU performance calculated as a frequency, instead of megabits per second? Frequencies are less common in computer terminology.
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3answers
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What does the minimum spec mean in regards to CPU clock speed

Most software provide a minimum and/or recommended spec of hardware in order to the software. Within this list, we're usually informed of a clock speed for the CPU. For example, Visual Studio has, as ...
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13 views

Speed with multi-cpu motherboard

I'm looking at building a dual-cpu system, but I was wondering if there were any concerns with bottlenecks that I should be aware of since data is going to two different places now. I know that each ...
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0answers
17 views

CPU freezes during heavy processing : Asus Z97C in Linux Mint 17.1

I got a new rig with Asus Z97C, Intel-i5-4690k, Corsair Vengeance 8GB RAM, 128GB SSD, no GPU. I installed Linux Mint 17.1 (based on Ubuntu 14.04.1) on it. Now, when doing something processor ...
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3answers
55 views

What factors other than clock speed influence the performance of a CPU? [duplicate]

Having seen various people test powerful emulators on their computers, I have come to surprise hearing about how one CPU can have triple the clock speed but still have worse single-threaded ...
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12 views

What are the Physical differences between an AM2 and an AM3 CPU?

What are the physical difference/looks between an AM-2 and an AM-3 CPU/Processor. (Are the pins located differently, are they different sizes?)
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4answers
66 views

Random spikes to 100% CPU lasting several minutes, (intervals, duration, processes) W7 PRO Dell E6400

For the last month or so I'm plagued with often, yet unexplainable spikes to 100% CPU load. Usually then Task Manager shows one or two processes taking 50%+ of CPU (not always the same: svchost, ...
0
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1answer
18 views

Input not supported error in monitor after overclocking the processor

Hi please any help would be appreciated. Here is my PC specs AMD A4-4000, 4GB DDR-3 RAM, windows 8.1+ubuntu 14.04 My trouble started when i tried to overclock my processor by using the gigabyte ...
0
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3answers
55 views

Can I safely replace a CRT monitor running at (1024x768) with a 21" TFT (1920x1080) HD monitor?

My archaic CRT monitor has a resolution of 1024x768. My GPU is an Intel 82945g chipset, CPU is P4, 1GB RAM running Windows XP. I want to replace the CRT with a TFT which comes with 1366x768 ...
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2answers
52 views

Computer Randomly Powers Off. What's The Cause?

I upgraded my computer a month or two ago now and now every so often, my computer will randomly shutdown (and then restart after about 5 seconds). To clarify, it usually shuts down when coming out of ...
0
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1answer
18 views

How to tell if it's either the CPU or the Motherboard that is bad?

I have an Acer 5536 laptop that won't boot. I've already tested the memory modules and the hard drive and both are ok. The problem is that I don't know how to tell which one is the problem: the CPU or ...
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Which of the following instructions can reference a memory location that is #1000 locations from the instruction? [migrated]

I am working on a question from a practice computer organization exam The Problem: Which of the following instructions can reference a memory location that is #1000 locations from the instruction? ...
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1answer
34 views

Wrong architecture or manufacturer - conflicting information [duplicate]

This is what I get from the set processor(Environment variable) command in 64-bit Windows 7: PROCESSOR_ARCHITECTURE = AMD64 PROCESSOR_IDENTIFIER = Intel64 Family 6 Model 58 Stepping 9, ...
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1answer
24 views

What is this logic component?

This is from http://www.cis.upenn.edu/~milom/cse240-Fall05/handouts/Ch05.pdf , slide 9. From this diagram, I recognize 0001 as the opcode or ADD. I recognize 011, or 3, as the source register and ...
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30 views

i5-4960k 3.5GHz running at only 0.8GHz

I recently built a gaming PC (detailed specs listed below), however the CPU seems to be extremely limited. Specs: MSI z97 Gaming 5 Motherboard Intel i5-4960k 3.5GHz CPU MSI GTX 970 Graphics Card 8GB ...
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1answer
13 views

xfx750i support for intel pentium G3240

I have a XFX750i Motherboard and want to upgrade my CPU to Intel Pentium G3240, or Intel Pentium G3580. So my question is whether my Motherboard will support either of these CPUS??
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1answer
60 views

Which piece of hardware in my desktop is failing?

Almost 2 years ago I built a custom desktop. This week it seems to be becoming inoperable. It's a dual boot system capable of booting to Windows 7 or Windows 8.1. When I sat down at it the other ...
0
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1answer
36 views

What hardware is needed to support ECC UDIMM / ECC RDIMM

There are 2 types of server RAM's UDIMM unbuffered (or unregistered) ECC (Error correction) RDIMM registered (buffered) ECC memories. The main difference between them is that UDIMM are using CPU's ...
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2answers
42 views

Does MotherBoard limit RAM?

http://www.findlaptopdriver.com/hewlett-packard-09e0h-mainboard-specifications/ ^^ That page lists the specs of my motherboard. It says that it can support 4 x 240-pin DDR2 DIMM slots Supports DDR2 ...
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stopping windows from undoing overclock settings

I have managed to overclock my CPU from 2.5 to 3.0 GHz, my BIOS says so at the top. But when I load coretemp after windows boots, it says my CPU is only at the original 2.5GHz. Is this just coretemp ...
0
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1answer
35 views

High CPU usage on Linux

I have a process that is called gis taking 100% of the cpu (sub-cpu) on one server and 3 % on another similar server (running as HA-pair) All other servers have are using 2-3% of cpu as well Is ...
25
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3answers
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How can manufacturers put the specs of overclocking speeds when the whole point of overclocking is it's not known? [closed]

Some retailers really play up the overclocking capabilities of CPUs. For example, in the advertisement for this Intel Core i7-5820K processor, it says it can be overclocked to 3.6 GHz. How is that ...
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2answers
97 views

Laptop shut down randomly when temperature is low

Basic info of my laptop: 3.5-year-old Samsung RF411, Win7, no hardware change since purchase, Windows disk & memory check all OK, passed memtest86+ test. Recently, it randomly shuts down/blue ...
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Why does sensors-detect only see my coretemp-isa-000 adapter?

I am running Kubuntu 14.04 with an intel i7-4790k cpu and ASRock extreme 6/ac motherboard, but sensors-detect does not give me anything but the core ISA adapter. I know I can sense fan speeds on the ...
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42 views

How do I identify counterfeit hardware?

A peer recently told me to be aware of counterfeit Intel CPUs. I built my PC just last year and now I’m afraid I might be affected. How would I discover counterfeit hardware? My PC: GPU: Asus GTX 780 ...
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2answers
81 views

Going silent: will an SSD with a newer but 'slower' CPU run as fast? [closed]

I currently have a relatively old (2009) Shuttle XPC with an AMD Phenom X2 550 3.10GHz and 2 SATA HDD drives. I use it as my work computer, usually running a couple of browsers, XAMPP, 2 or 3 ...
0
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1answer
23 views

When MS offers a UPDATE choice between [x64 System] and [blank] are they talking about OS or CPU bits

When planning to install a UPDATE to repair a conflict the Microsoft knowledge base offers a choice of two types. Notably one intended [for x64-based system] and the other a generic [] this is CPU ...
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1answer
80 views

How to stop System Interrupts from eating up CPU

I have Windows 8.1 Pro N x64 on my Toshiba Satellite L505D-S5965 and there is a processes in Task Manager that is eating up my CPU. It's called System Interrupts and it takes up 1%-29% of CPU Power ...
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44 views

WPA shows NIC driver DPC fragment running for 232 milliseconds

I'm stress testing my UDP proxy on a machine with 8 logical CPUs. At around 14 thousand UDP clients, one of the CPUs (CPU 4) starts spiking and UDP throughput (as shown by Task Manager) plummets to ...
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1answer
35 views

CPU Load + Frequency per core in linux terminal?

I am doing scientific computing and I need to keep an eye on the cpu frequency and load of each core (there are 2 cores, on Ubuntu 14.04 w/ Gnome3). I can see the frequency with this bash script: ...