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

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Which is the most CPU-efficient virtualization solution on Linux? [on hold]

I am interested in the following problem: When running CPU-intensive tasks inside a virtual machine, there is a certain CPU overhead, i.e. the same task takes a slightly longer time to run inside a ...
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2answers
2k views

Is it possible to upgrade the AMD E-300 APU on a laptop?

I read that this processor is BGA. That would mean that it is soldered to the motherboard? Can an average laptop technician replace it? This processor is very slow, it scores only 600 on the Passmark ...
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1answer
27 views

Couldn't find the specific details for a IBM x3850 server

This ad mentions the model of the server as " IBM x3850-[88633SM]- ". However, in my searches I was unable to find any meaningful reference to the specific server. The closest I could find is this ...
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7answers
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How to tell how many CPUs (cores) you have on Windows 7

I got me a nice new laptop and I want to know a bit more about the hardware. How can I see how many CPUs my computer has in Windows 7? (Note: Clicking on Start->Right clicking on Computer-> ...
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3answers
156 views

Can slow VM be due to CPU, even if its utilisation percentage is low?

I run 2 VMs. Those two VMs are not doing any CPU intensive tasks, and the host machine has a Sandy Bridge Celeron CPU, 8GB of DDR3 RAM and conventional HDDs. When I checked the CPU usage, it is not ...
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1answer
74 views

PC overheats when at BitLocker password prompt

I have very strange problem... first, some details: Windows 8.1 Pro motherboard: ASUS Z87-A Intel core i7-4770k CPU cooler: Corsair H90 (hydro) chassis: thermaltake mk-1 I've encrypted my system ...
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0answers
19 views

graphics card suddenly stopped working

I have an NVIDIA XFX GeForce 9800GT. It was running smoothly but but then one day, the CPU wont turn on. I called a mechanic, and then he uninstalled the graphics card and then the CPU turned on. Now, ...
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1answer
6k views

TiWorker.exe - Very High CPU Usage

I have a laptop running Windows 8. Although it originally ran well, it started having very bad performance issues. I decided to perform some research into the topic. Opening up Task Manager, I ...
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2answers
46 views

What is the on-chip network topology of an Intel Core i7 (or i3 or i5) processor?

What is the topology of the interconnection network within an Intel core i7 ,i3 or i5 processor? Is it using a: Crossbar Ring Hypercube Mesh Butterfly or what ?
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1answer
37 views

How can I quickly control my fan- and processorspeed?

I'm searching for software which can be used to (quickly) change your CPU/fan speed. I regularly use my laptop for gaming, causing it to become really hot, mostly around temps of 90-100C. I don't ...
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3answers
76 views

What is the difference between multithreading and hyperthreading? [on hold]

I've heard the terms hyper-threading and multi-threading, but what exactly is the difference between them? What kind of inlet processor uses them?
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1k views

How to disable software-initiated overheat shutdown (due to broken sensors) in Windows 8?

A power spike broke the CPU temperature sensor on my motherboard. Memtest86+ runs fine. However, neither Linux nor Windows boots under default options. Windows simply shuts down during boot. Linux ...
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0answers
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VMWare CPU Usage reaching 100% when running software

I have VMWare Workstation and I'm very new to it. Unfortunately for some reason when using it with a software I have, it keeps hitting 100% CPU usage and my computer freezes. What's odd though is ...
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2answers
30 views

Clock down Intel i7 3610QM

I have some big troubles with my CPU. It is getting too hot and therefore performs a thermal shutdow which basically means it just kills itself. Since I don't need the full power of this CPU I was ...
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0answers
43 views

Windows 8.1 - System process uses 1 core up to ~90% constantly

Asus N550JV comes with Windows 8 installed. I prefer 8.1 so I installed Windows 8.1 on my machine. Downloaded all the specified drivers on Asus Support Page, not to mention my whole system is up to ...
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1answer
28 views

Why is my CPU slowing down? (power settings and temperature are OK)

I realise others have posted similar questions, but I'm having trouble working out why my processor isn't running at full speed. I'll keep this visual. Given this: ...and this: ... why does ...
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1answer
22 views

AMD FX 4130 overclock-How to overclock the CPU from the BIOS [on hold]

Well I've been using my CPU for awhile now but I want to unlock it's full power but when it comes to CPU overclocking I've never been good with it nor taken the time to learn it from these bad video's ...
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1answer
32 views

How do I decide what CPU to buy? [closed]

I'm building an HTPC and I already have a motherboard with an Intel socket 1150 -- but how do I decide what specific CPU to get? I'm happy with the Core i7 in my desktop but for cost reasons I'll ...
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1answer
35 views

overclocking Dell Inspiron 1545 laptop/ upgrading ram

I'm trying to upgrade my laptop (dell inspiron 1545). i'm planning on upgrading the ram, but i'm looking at bus speed and im not entirely sure what to get. I was considering overclocking my system ...
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3answers
31 views

How to give 100 percent CPU usage to a process

(windows 8.1 machine with i3) Is it possible to put a process using 100% of my CPU? I have a rather "slow poke" CPU and after a while working with an application, it gets really slow. I'm wondering ...
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1answer
16 views

Processor Throttling, Speeds and Battery life

Does throttling the CPU down give you more battery life? Does i3 give you more battery life over an i7? Just I've not had the options to really test this theory as it requires having the same laptops ...
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1answer
111 views

What does cpu MHz mean in /proc/cpuinfo?

I own Quad-core Core i5 laptop. I got curious to know how much time it takes for my laptop to execute a simple instruction. So, I did cat /proc/cpuinfo. Below is the relevant portion of it, model ...
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3answers
2k views

Turning display off makes CPU burn up and fan gets really loud on sony laptop with windows 8

My laptop display will turn off for two reasons: Either I leave my computer idle and the display automatically turns off, or I close my lid and then just the display turns off. When I am using it, my ...
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3answers
2k views

Why is my laptop both dual core and quad core at the same time [duplicate]

I bought an Alienwaremx14 with the following specifications , it is clearly stated here that my CPU is dual core However when i open Window task manager , I was shocked to find out I had four CPU ...
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2answers
49 views

Upgrading my motherboard completely [duplicate]

I have a terrible motherboard: Manufacturer: Foxconn Model: 2AB1 Chipset: AMD 785G Southbridge: AMD SB700 Brand: American MegaTrends INC. It wont let me overclock my CPU, so I've decided to upgrade ...
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1answer
50 views

How to speed up my computer? [closed]

I just bought new computer last week. This is my computer information: Operating System: Windows 8 Pro 64-bit; Intel Core i5 4570 CPU 3.20GHz (4 CPUs) ~ 3.2 GHz Memory: 4GB RAM, page file 12 GB ...
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1answer
26 views

MIPS as a measurement of raw integer data processing

I'm looking for a way to contextualize generational differences in computing performance. Is this a correct application of the MIPS measurement? MOS 6502 - 0.500 MIPS at 1 MHz. As an 8-bit CPU it ...
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1answer
18 views

Why wont my i5 fit my MSI model P67A-S40?

The quad i5 I bought for my new desktop is an i5-4670K LGA1150 My motherboard is a MSI P67A-S40 Core i7 socket 1155 Motherboard w/ Intel P67 Express Chipset USB 3 Does the fact that Core i7 is ...
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1answer
34 views

Computer Build for VM's: Slow behavior normal?

I've custom built a computer for work. The main idea (for security reasons mostly) is to use one VM exclusively for work (mainly 3rd party windows applications that work with PostgresSQL) and another ...
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3answers
4k views

Mac OS X Server 10.6.6 “disables” CPU in VMware Fusion

I installed Mac OS X Server 10.6.0 in VMWare Fusion the other night and it worked perfectly, until I ran Software Update. I upgraded to 10.6.6 through the combo updater, and now when I start the VM it ...
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0answers
56 views

Low CPU performance with low usage and clock - Windows 8.1

I recently deleted everything from my PC and reinstalled Windows 8.1 from scratch. When I first booted into Windows everything was extremely slow though the CPU usage was very low (about 1%). After ...
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1answer
22 views

How to overclock CPU using only FSB?

According to my BIOS the CPU temperature and the system temperature are 16°C and 18°C respectively for Idle on stock air cooling. (It used to be 40°C and 48°C when I kept my computer inside a case. ...
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0answers
23 views

SHCreateStreamOnFileEX thread in explorer.exe using high cpu

My computer: Dell, i5 2410m CPU , Windows 8 OS Symptoms: -when windows explorer is running, high (~ 40 % ) CPU usage. -explorer, or the desktop does not refresh automtically What I've found ...
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33 views

Poor FPS with combo of R9 290 and FX8350

For some reason, since building my PC I have been receiving poor FPS in the majority of games I have played. I have been hunting for hours as to the cause of the issue, I just want to enjoy using my ...
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0answers
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Experiences with pc stability

I've always had a problem with the stability of the pcs I use, so my current one died a few days ago ( something wrong with the cpu, no more information was given in the 20+ WHEA BSODS ), and the ...
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1answer
9 views

How does multi-core architecture work with regard to parellelism?

I think I am correct in saying that scheduling is the/a main principle of the single core CPU, where the CPU is interrupted when switching from processing one set of instructions belonging to one ...
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0answers
32 views

Malware on my Linux? Cant see on top/htop but CPU/Mem Usage is high

Over about the last week or two, I have been seeing something odd with my Linux mint PC. Over a day or 2, at some point, my CPU usage hits and saturates at or near 100 at some point (according to my ...
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7answers
5k views

How to tell if a computer has a 64-bit CPU or OS

How you can check if your computer Has an x86 (32-bit) or x86-64 (64-bit) processor? Is running a 32 bit or 64 bit operating system?
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26 views

PCI-Express Processor/Co-processor cards

I am hoping someone might be able to help: In the days when I started with computing (C64 and later Amigas) expansion slot cards with co-processing ability were relatively common. I am looking for ...
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1answer
33 views

Can I use both my internal and external graphics card in same system?

My motherboard has an integrated ATI Radeon HD 3000 graphics and I had Nvidia GT 610 2gb external graphics card as well. I'm having a Gigabyte GA-78LMT-S2 Motherboard, AMD 4 GHz AM3+ FX-4300 Four-Core ...
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1answer
29 views

What is the difference between “Memory address” and “Program counter” registers?

What is the difference between "Memory address" and "Program counter" in CPU registers?
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33 views

CPU Causing Lags, Problems in Gameserver

I have recently realised that I was wrong about whether a server was dedicated or not (please see this), but however the gameserver applications that run on the dedicated server lag. This problem is ...
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1answer
241 views

Best SMPS wattage required for the below config? [closed]

We are planing to assemble a file server of the following configuration. Intel S2400SC2 Motherboard. Xeon 2407 Processor x 2 (Dual Processors) 8gb x 8 ECC DDR3 RAM One 2 TB Seagate HDD. 8 cabinet ...
1
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1answer
192 views

Power Supply wattage selection. Why 80 plus Bronze, Gold, Platinum?

I'm looking at building a file server and looking at getting a quiet, reliable power supply that can power two processors on a single board and run pretty much constantly. How would I select a power ...
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4answers
3k views

CPU overheating after cleaning it

I wanted to clean my computer CPU heatsink and fan itself, because the temperature is not what I wanted. About (50C ~ 70C). I have Intel Core 2 Duo E4300 @1.8 GHz (LGA775). The heatsink wasn't so ...
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9answers
17k views

How can I determine whether my processor is 32-bit or 64-bit?

How can I determine whether my processor is 32-bit or 64-bit? My processor is AMD Phenom 8450 triple-core.
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2answers
5k views

atom n2600 is 64 bit or 32 bit?

I look at the intel spec sheet. It says that the processor has a 64 bit instruction set. However, running uname -m results in i686, and running grep flags /proc/cpuinfo indicates that each ...
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0answers
17 views

HP Z-600 Workstation does not use all RAM or cores

I have an HP Z-600 Workstation running on Windows 7 Professional w/ a NVIDIA Quadro 4000 Graphics Card, 48 GB RAM and (2) 6-core processors for a total of 12 cores. When I perform a heavy operation ...
6
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1answer
543 views

What does the MHz of RAM really mean?

Countless of times I've heard and read that RAM-memory can have different speeds - denoted as MHz (e.g. 1066 MHz). However, what this frequency really is has never been explained to me and I'm having ...
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5answers
7k views

Setting a default CPU Frequency in Ubuntu?

How do I get Ubuntu to select a default cpufreq on boot? These are the frequencies my CPU has available: $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies 2300000 2200000 ...