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

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Virtualisation possibilities with MSI ge40 (intel 4702MQ)

I have this laptop. I want to run Linux Mint, and run Windows 8.1 in a VM. The thing is, that i would like to play some games on Windows. That will not work properly in Wine, i've tested it. So i've ...
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Why is maximum CPU utilization a major objective while constructing any scheduling algorithm? [closed]

I just wanted to ask that what is the reason behind making the maximum utilization of the processor ,that is ,whenever at any instant of time ,the scheduler makes sure that the processor must not ...
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What Xeon is the closest equivalent to the Core i7-4790K? [duplicate]

I am planning to build a workstation whose main requirements are high single-thread performance, support for ECC memory, and a degree of energy efficiency. The second of these requirements leads me to ...
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21 views

Two of four cores are running hotter

I have an Intel Core 2 Quad 8300 (with stock HSF) sitting in an Asus P5Q-E. I've just re-applied some thermal paste due to the CPU getting too hot (low 60C). I'm using HWiNFO64 to get temperature ...
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1answer
18 views

I can't update windows 8 to 8.1 under virtual box on my macbook pro

I installed windows 8 on my macbook pro under virtualbox. Now I want to update it to 8.1 with the store (free), but I get the error: You can't update because this doesn't support de CPU of your PC. ...
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Why would my RPC server use 5x CPU when moving to a newer Linux kernel?

We're kind of running into a wall here, so I figured it was worth asking on this site. We have a Java process which serves up old Sun RPC connections as a compatiblility layer into a new system. On ...
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61 views

Two CPUs as a Single System

I don't know whether this is a foolish question or not. I have Googled a little and posting this one. Is there a way to make two separate dual core systems to run as a single quad core system under a ...
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23 views

New motherboard just start in a special case but no display

Hi wanting to give a facelift to my current pc, I bought a mother board ( ASUS Z87 -c) and an i5 4670k cooled by Hyper 212 Evo, I build it and wants to test if everything works. For this I unplug the ...
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1answer
166 views

3-pin CPU cooler on socket 1150 has allways only constant fixed fan speed

I have following PC configuration MB ASUS Z97-P with Intel Core i5-4460 Cooler Master X Dream i117 As per here the cooler works well on 1150 socket. But ASUS Fan Xpert cannot adjust the cooler ...
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2k views

Can the Intel Atom Processor Z3735F play 1080p 60fps YouTube videos without dropping frames?

Intel announced the Compute Stick running on the Atom Z3735F processor. If buy this product, will I be able to watch YouTube videos at 1080p 60fps without dropping any frames? I am looking at the ...
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111 views

Lowering DDR3 speed back to 1333 after enabling XMP

I have following setup: GA-P55-UD3 Motherboard CPU i5-750 2.67Ghz I recently bought 8GB of Kingston HyperX 1600Mhz CL9 RAM but my system showed it as running at 1333Mhz so following some internet ...
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35 views

What manages IO between a buffer and a device?

If I am correct, a buffer is used as an intermediate between a CPU and a device, to free the CPU from waiting for the IO with the device to complete, and to let the CPU do other things Since the cpu ...
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123 views

Why does Windows 8 not detect all my cores after a processor upgrade?

I got a new CPU and installed it. Everything seems to be working fine, except that Windows 8 appears to not detect all the cores. For example, if I enter WMIC CPU get /Format:List I get Name= ...
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3answers
84 views

There is something odd with my CPU

When gaming I get a ton of lag even though a very small portion of my resources gets utilized. I've narrowed it down to my CPU not behaving as it should. It gets extremely hot (80+ degrees). It's not ...
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47 views

Thermal sensor location and adhesive

I bought a DIY computer over Christmas (I bought all the parts and hooked it together myself). The mid-tower case I got (this one, in blue) has three thermal sensors that need to be attached at ...
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3answers
102 views

Is my CPU dead? [closed]

Context My "friend" threw a large cup of coffee on my PC tower yesterday and it instantly killed it (of course). I had some spare parts so I am trying to figure out what parts can be saved and what ...
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2answers
130 views

Find how many cores Windows is using in msinfo32

I run Windows in a virtual machine. I have msinfo32 output and it is not showing how many cores it is using. It just shows: Is there any other place in the msinfo output that says how many logical ...
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Debian server is showing 0% for all processes in top / htop

I have a Debian 6 server that has always show correct CPU% in top / htop. Today when the load shot up I went to take a look and bot top and htop show all processes at 0% cpu. Weather the load is ok, ...
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2answers
40 views

Can 4 sticks of memory reduce CPU life?

In my experience (AM2+) it just seems like 4 sticks is unstable at any setting. I believe that running 4 @ 1066 5-5-5-15 (which is what the memory is rated for) has caused them to go bad. I started ...
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2answers
30 views

Why isn't page used as the unit when calculating the maximum size of RAM a CPU can address?

Wikipedia says A page, memory page, or virtual page is a fixed-length contiguous block of virtual memory, described by a single entry in the page table. It is the smallest unit of data for ...
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22 views

How to know if Xen hypervisor is running in ring -1?

I compiled and installed a Xen hypervisor v3.5 in my desktop (x86-64, CPU AMD Athlon(tm) II X4 640). How do I know if Xen has leveraged the AMD-V features of the the processor? More specifically, is ...
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118 views

No virtualization option in bios options in hp envy 700 215 xt core i7 processor

I ran this CoreInfo tool from Sysinterals: http://technet.microsoft.com/en-us/sysinternals/cc835722 and it says HYPERVISOR - Hypervisor is present VMX * Supports ...
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1answer
50 views

Take RAID 1 too much CPU performance (Intel Pentium G3220)?

I'm currently building an home server. I'm using an Intel Pentium G3220 CPU. I want to configure RAID 1 for the two 3TB Western Digital WD30EFRX Red HDD in the server. My question is if software RAID ...
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155 views

RAM 4GB to 8GB upgrade - not working

I have ASUS P5G41T-M LE motherboard and I run an old Pentium Dual-Core E5700 processor on it. Until today I ran 4GB RAM on it, precisely two KVR1333D3N9K2/4G planks and everything was fine. The ...
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33 views

Does overclocking have any benefit on a processor that already has Intel Turbo Boost? [closed]

I've read that when the model number of an Intel Core i5 or i7 processor ends in K, it means that it is "unlocked" and can be manually overclocked by the end user. These processors also come with ...
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92 views

CPU temp is wrong?

sorry for bad english My laptop is a Dell N5110 Core i5 2410m , Nvidia GT525M , 4GB Ram http://www.rodfile.com/3mww4i31mt9p temp of CPU right now when it goes more than 60 the fan spin and one ...
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1answer
53 views

Xeon E5 1600 v3 family - dual cpu [closed]

I want to build a multi cpu workstation, and I have never built multi cpu computer before. I wonder if the E5 1600 v3 family support multi cpu setups or if I should use the E5 2600 v3 family instead. ...
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21 views

Determine ambient temperature from health monitoring sensors

Is it possible to determine the ambient temperature from the health monitoring suite on modern motherboards that among other things can track the CPU temperature?
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118 views

Comparing i7 laptop benchmark to i5 desktop

I'm sorry if this has been asked before. I'm a complete newbie in this field and couldn't understand a lot of the other responses to similar questions. I'm looking to build a computer. It will ...
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8answers
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run a computer without RAM? [duplicate]

I was reading about CPU fetch time, where I found that CPU take very less time to access data from RAM as compared to accessing hard disk, and that RAM is present for storing the information and data ...
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Why Intel Core i3 processor with enough free RAM and low CPU usage become very slow?

In a computer with Intel Core i3 and 4GB of RAM running Windows 8.1 build 9600, in conditions I expect no have performance problems it become very very slow and it's close to freeze (or even freeze ...
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How can I find 64 bit kernel for arch

Hey I downloaded 64 bit arch iso image file and I installed it on VMware but arch doesn't boot with the problem that the kernel needs x86-64 CPU, but only detected i686 CPU. My CPU is 64 bit i7 and I ...
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143 views

Packard Bell EasyNote TE69KB is crashing because of battery overcharge?

I have a Packard Bell EasyNote TE69KB Notebook with an AMD-E1 2500 APU, AMD Radeon HD8240 graphics and 2 GB Ram. On the Notebook is Windows 8.1 installed with all updates and all drivers are updated. ...
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1answer
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Memory test using all CPUs?

I have been using MemTest86 4.3.7 to test my system memory but although it knows there are 8 CPI cores, it will only test 4 (I asked it to cycle through all and left it testing for 13 hours). using ...
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Wild CPU temperature fluctuations during stress test

I have upgraded my laptop CPU and gave it a stress test. The weird thing is that during the test the CPU temperature readings fluctuate wildly in a periodic manner. At idle, the CPU temperature is ~45 ...
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1answer
57 views

Is it reasonable to install Windows 7 on my Pentium D system?

I got have this old computer containing: Pentium D 2.8 GHz Socket 775 CPU 2x512MB DDR2 memory listed at 667Hz An ASUS P5LD2 motherboard An 80GB WD HDD (expect weak specs if there are several models ...
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2answers
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On GNU/Linux, How can I determine my CPU model name?

I know of several ways to obtain information about my CPU in a GNU/Linux environment, from cat /proc/cpuid to various utilities, see e.g. here However, none of them seems to tell me what my CPU model ...
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linux can not excute binary file

Recently I am doing a C++ project in Linux.I have executable file in Linux. I tried to run it and there showed an error: can not excute binary file. I saw similar questions here in SO and they said ...
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106 views

Kernel Panic from overheating?

I believe my CPU is overheating which is causing a kernel panic and the machine reboots. It is an Intel 3612QE. I have changed the cpufrequtils scaling_governor to ondemand, conservative, and also ...
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1answer
58 views

Is my CPU causing bottleneck for the whole system?

I have this old laptop which I have been using for past 2 years. It works well except sometimes when I use programs like Photoshop and Eclipse, it takes a long time load. Also, there are some minor ...
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Missing L1 cache characteristic

I wrote simple program (with help of Igor Ostrovsky's article 'Gallery of Processor Cache Effects') which supposed to examine levels of cache in my processor. According to Coreinfo provided by ...
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1answer
59 views

Cpu Temp, Inconsistent Results

I've just built my first PC last night and probably messed up the heatsink application, so I have been monitoring closely and now seeking for advise. I was told that it should be max at 40 C at idle ...
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1answer
64 views

Why is my CPU running slower than it should be?

I have an AMD FX(tm)-6100 Six-core processor that should run at 3.30 GHz, however upon trying to overclock the processor (which I never got around to doing) I have found that it is running at 1.4 GHz ...
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1answer
32 views

Will my new graphics card be supported with my current hardware configuration? [closed]

I want to add a graphics card in my PC. My choice is an AMD Radeon R7 265X or nVidia GTX 750 Ti or AMD Radeon R9 270X. But I'm confused, my motherboard doesn't support 4GB RAM modules! I have 2*2GB ...
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Different CPU info on Windows and Linux?

I have a (as in factory specs) 3.6 GHz AMD FM2 A8-Series A8 5600K CPU and There is at lease 0.2 GHz difference between hardware reports in Windows and Linux. I was tested on: Win7 ultimate x64 ...
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3answers
459 views

Will my “6-core CPU” motherboard support an 8-core CPU?

My motherboard is an ECS A885GM-A2 (V1.1). I recently decided to buy a new 8-core CPU. I only checked the socket-type and the wattage; I've never heard of "number of cores" being an issue. However, ...
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Is it bad to have a computer running at maximum temperature for a long period of time? [duplicate]

I'm having a Macbook pro 15" 2012 model here and I remember the past when I gamed on my Macbook- specifically World of Warcraft. When I played this game my Macbook went from a passive ~55 degrees C to ...
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1answer
163 views

Why is the CPU frequency always very high on my system?

I have a Windows 7 Pro x64 system used as a home server. Hardware: Core i5, 4670K (3.4 GHz) on an ASRock Z87E-ITX with the latest UEFI firmware. I've discovered today that the CPU frequency is too ...
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1answer
59 views

Can I install my old laptop's CPU in a new laptop?

My current laptop is broken, but the CPU is fine (Intel Core i7-720QM, 1.6 GHz). Can I buy a new laptop and put this CPU in it ?
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/proc/cpuinfo for Xeon E3 processor

I have Intel XEON E3-1230 with a single socket configuration, and according to http://ark.intel.com/products/52271/Intel-Xeon-Processor-E3-1230-8M-Cache-3_20-GHz it has at most 4 cores, however on my ...