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

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Would my computer work with this processor?

Sorry if this isn't a question for this site, if so let me know and I'll delete it. I have a dell precision 670 desktop computer and was wondering if I could get this processor: ...
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1answer
10 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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HP Pavilion g7 - Windows 7 - Fan stops after 10 minutes

Recently my laptop fan is acting very weird. I have installed Core Temp to view temperatures. When my pc is idle, nothing's wrong, the fan acts as it should. But when I start gaming, or do anything ...
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2answers
374 views

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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1answer
24 views

Can you have CPU-integrated-GPU, onboard-GPU, and dedicated-GPU all on one board properly?

I was wondering, since new CPUs come with built-in GPUs right on their dies, and some boards have soldered GPUs and PCI/PCI-e slots for other GPUs, can you have the CPU-integrated-GPU, onboard GPU and ...
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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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2answers
28 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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3answers
221 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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2answers
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High CPU usage by the “system” process

I have noticed that from some time my system is freezing and its probably caused by the high CPU usage which is caused by the system process. All applications I'm running is the Skype, TeamSpeak and ...
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1answer
535 views

Enabling unleashed mode failed

I'm trying to unlock 4th core of AMD Athlon II x3 450 CPU on Asus motherboard and American Megatrends BIOS. However, after I enable Unleashed! mode in BIOS, and restart computer, the monitor doesn't ...
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0answers
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which is faster dual core with ht vs quad core [on hold]

Would dual cores with HT be faster than a quad core where each core in a quad core is half the speed of a core in the dual core? Assuming a heavy multitasking environment including browsing?
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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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2answers
99 views

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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0answers
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Windows 8.1 High CPU Usage

So I've been having this problem for a long time now, and nothing I do has fixed it. My CPU will spike up to 99 - 100% usage. What's mostly causing the spikes is after 4 minutes of idle, "Host Process ...
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0answers
13 views

AMD Phenom II X4 955 or AMD FX4300 [on hold]

I am doing some basic music production works for myself on my own old computer with Cubase 5. I am using AMD Athlon x2 64 5600+, and with those production plug-ins, it slows down and is not enough for ...
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0answers
48 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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2answers
316 views

Task Manager shows one processor (and not multiple cores)

I've tried to find a solution, but I haven't had much luck. The photo says it all: I'm supposed to have 4 cores, but they're not showing up. What gives? msconfig advanced boot options also only ...
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3answers
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Can a 32 bit OS run in a 64 bit processor?

What's the difference between 32 bit OS and 64 bit OS? Can a 32 bit OS run in a 64 bit processor?
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0answers
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Compatibility Different motherboard and processor? - Custom PC [closed]

I am planning to build my own first custom computer my guide is on youtube pc perspective building a gaming pc. Here is the list If i change the AMD6300 to AMD8350 and use different motherboard that ...
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1answer
26 views

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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2answers
108 views

Computer crashes

I just installed a new motherboard, cpu, ram, and a psu. I am having problems because my computer will randomly crash(restart) and I can't seem to associate it with any specific thing that I'm doing ...
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2answers
74 views

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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2answers
35 views

How can I measure the amount of clock cycles each process/program is using?

I have a weak computer, and my goal is to maximize it to the most feasible, physically possible extreme to get all the performance out of it as possibe. If I know how many clock cycles a program is ...
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5answers
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How many memory addresses can we get with a 32-bit processor and 1gb ram?

How many memory addresses can we get with a 32-bit processor and 1gb ram and how many with a 64-bit processor? I think that it's something like this: 1GB of ram divided by 32bits or divided by 4? to ...
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1answer
29 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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0answers
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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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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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1answer
327 views

Which CPUs support 1GB pages?

Some Intel CPUs support 1GB pages. This is identified by looking at CPUID 0x80000001, EDX bit 26. The Linux kernel exposes this via /proc/cpuinfo as the pdpe1gb flag. Where do we find out which ...
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1answer
33 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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0answers
48 views

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
36 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
41 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
11 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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2answers
72 views

Validate CPU virtualization support on Windows 7

On Windows 7 hosts, how do I validate that CPU virtualization support such as AMD-V or VT-x is enabled without rebooting the machine and installing additional or third-party software. In that case, ...
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1answer
36 views

Byte addressable memory and ISA [closed]

I am trying to clear some confusion regarding instruction set architecture and how memory is accessed. Basically I know that in byte addressable memory, data is stored byte by byte either in ...
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1answer
2k views

What do Intel's socket package specifications mean in detail?

What is the difference between FCPGA988 PGA988 rPGA rPGA988B BGA1224 FCBGA1224 Do some mean that the BGA is soldered to the board and cannot be removed? BGA is soldered versions only, right? ...
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2answers
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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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2answers
156 views

Dots and black screen while gaming

I have a very annoying problem with my PC. It's specifications are as follows: Model: ASUS N55SF Notebook Processor: i7 2670QM 2.20 GHz Graphics Card: GT 555M 2 GB My issue is that I ...
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3answers
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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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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
6 views

/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 ...
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1answer
60 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
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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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1answer
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Can ESXi read CPU temperatures (and report them to Observium)? (Poweredge 1950 Gen 3)

Currently running ESXi 5.5, Poweredge 1950 Gen 3 with dual Xeon E5410's at 2.33GHz. As far as I can tell, ESXi does not report CPU temperature anywhere. Here is the health page on ESXi vSphere: So ...
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Windows 7 Chrome hogging up over half of cpu even when closed

I have just encountered a problem with Chrome on my laptop. I am stumped on how to fix it. Everything, I thought would fix has had no effect. I have: Disabled "Continue running background apps ...
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1answer
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Is an idle temperature of 66°C for the A10-6800K CPU normal?

I have an A10-6800K CPU and Piriform Speccy says that my CPU temp is 66 celcius in idle, the same goes for HWMonitor. Is this normal/ideal? I have a Coolermaster V10 with a HAF 932 case.
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Are CPUs more stable with one or more cores disabled?

I was reading this article, and I couldn't help noticing this: ...7003.38 MHz, with two CPU cores enabled and hyper-threading disabled. Does disabling some CPU cores & disabling ...
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1answer
3k views

Intel Atom D2500, 64-bit mode

I have an Intel Atom D2500 processor which the spec site claims it supports a 64-bit instruction set. However, cpuinfo shows this: # cat /proc/cpuinfo | egrep "(processor|flags|address)" processor ...
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3answers
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How is CPU temperature related to clock frequency and processor utilization? [closed]

While reading Dennis's reply, it makes me think about what determine the CPU temperature. Following is my understanding. The CPU temperature is solely determined by the CPU usage in a unit time. The ...
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1answer
218 views

Machine Check Exception reported by kernel

I built a new computer: Intel Core i7 4770K Gigabyte Z87N-WIFI Samsung 840 Evo S x2 (in RAID 0) 450w Corsair RM 80Plus Dark Rock Pro 3 Cooling Kingston 1600 DDR3 NO DEDICATED GPU Operating System: ...