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

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Can't determine Intel Chipset Information and thus max memory supported by system

I have old lenovo 3000 C300 All-in-one PC. It has Intel Atom 330 @ 1.66 2 memory slots, PC2-5300 (667mhz) SODIMM 200 pin memory. CPU-Z Rated FSB is 531.92 Mhz Here are results from different ...
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Can we calculate the bandwidth for a CPU?

I have read somewhere that we can calculate the bandwidth for a ram like this. Assuming the ram clocks at 1600 MHz without dual-channel, the bandwidth is 1600 MHz * 64 bits = 102400 Mbit/s, which as I ...
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1answer
113 views

Did I kill my CPU by cleaning the computer?

I have a computer running Windows 7 which was working fine until I cleaned it. Now I'm getting blue screens and error messages. Running Ubuntu on live disk says the CPU is bad. I was asked to do a ...
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48 views

CPU is fixed at 100% usage

I would like to start by saying that I'm aware that there are a lot of questions with the same title but I would like to say that they are very specific to their own problem. Unfortunately my problem ...
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1answer
46 views

How does the CPU know when an interrupt occurs?

I am writing an emulator and can't seem to find info on this. What I know is that devices trigger a pulse on the IRQ wire. But the explanations online don't include how the CPU deals with that. Does ...
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44 views

When does CPU Usage starts to impact users or services? [closed]

I work with servers, and now, starting to gravitate more into server performance monitoring. Some application developers that I've met lately claim that Windows/Linux Services and its applications ...
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2answers
29 views

CPU clock cycle and instructions interpretation

I am new in computer architecture but I know the main topics since I had it as a course before. My question is in fact little deep and related to CPU clock cycle and how processor interpret ...
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24 views

System Information

I have upgraded my computer from a pre-built computer from Dell, and the only part I'm still using is the CPU and the HDD. Everything else has been removed and installed with new parts. So why does my ...
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1answer
85 views

acer aspire x3995 desktop continuous beep on startup

PC was beeping 4 short beeps and after some google decided to move ram to a different slot. I didn't ground myself and now it continually beeps on startup. I have unplugged everything from mobo ...
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87 views

Does Windows Server 2012 R2 support hot-add CPUs?

I have a Windows Server 2012 R2 Standard guest in a virtual environment. My hypervisor (Virtualbox) supports hot-adding and hot-removing vCPU's, but it also says in the VirtualBox manual that "So far ...
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34 views

Black screen after CPU upgrade

So I have been wondering around for an answer to my problem but nothing quite fits. I have a good 'ol HPg62 and I upgraded the CPU from the factory P6000 to a core i5 that I have salvaged from a Asus ...
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3answers
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Difference between laptop and tablet processors?

From what I have gathered, it appears to me that laptop CPUs (in particular, made by Intel) are less powerful than their corresponding desktop CPU counterpart (e.g. Intel Core i5 for a laptop is less ...
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13 views

The main difference between Superscalar and Parallelism

In superscalar processing, more than one instruction is executed in parallel at each core, so how would that differ from parallel processing then? Thank you.
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Can a 64-bit OS be loaded on a 64-bit processor when the EFI is 32-bit?

I'm struggling to get a Chromebook loaded with a new OS. The Chromebook is a Toshiba CB35-B3330, and it has a 64-bit Intel Celeron N2840. I'm struggling because I can't get any useful information on ...
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2answers
26 views

How can I estimate the time it takes a certain computer to guess a password?

As cyber security and its exploitation become more prominent and relevant, I find websites such as https://howsecureismypassword.net/ to be very interesting. When the user enters a password, it ...
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0answers
40 views

System suddenly going into continuous/infinite restart/reboot loop without even POST with clicking noise from PSU

I'm new here and desperately in need of help. My Dell Inspiron One 2330 was working perfectly till yesterday night. Today morning when I tried to turn it on, it went into a continuous restart loop ...
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17 views

Register allocation tables overwrite

Reading about the Xeon processor: the Xeon has two register allocation tables (RATs), each of which handles the mapping of one logical processor's eight architectural integer registers and eight ...
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0answers
19 views

Java Processes on second identical server is taking up twice as much cpu time

I have two servers with the same exact configuration. Both servers are running a java process that are running the same code base. JVM arguments are the same Java System properties are the same ...
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1answer
34 views

Is it possible to run a 2GB RAM on Asrock G31M-VS?

I just want to know if I can stick another 2GB RAM on my Computer. System Hardware: Motherboard: ASRock G31M-VS (FSB1333 DDR2 800 Dual Channel). CPU: Pentium Dual-Core 2.5GHz. RAM: DDR2 800 Memory: ...
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What does this XML block for CPU do?

I'm having trouble getting a CPU configured. The problem CPU configuration is shown below. However, I have a good configuration and I am trying to understand what it does so I can add pieces of it to ...
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59 views

Intel PCM ( Performance Counter Monitor ) - Low hit rate for LLC

I am having Intel Xeon D-1520 CPU I tried to run Intel PCM to get the the L3 cache miss and hit ratio. L3MISS: L3 cache misses L3HIT : L3 cache hit ratio (0.00-1.00) Core (SKT) | EXEC | IPC | ...
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101 views

FPS drops when playing video in background

I am trying to understand why I experience FPS drops in demanding games when a video is playing in background and how to fix it. My particular setup (see the specs at the bottom): two monitors in ...
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4answers
78 views

How do I check what is spiking the CPU while the computer is idle

My Windows 10 laptop with an i7 and 16 GB of RAM often gets the fans going full speed when I am not using it. It is a bit slow to respond sometimes when I try to wake it up to check what is going on. ...
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1answer
31 views

Trying to figure out if my processor supported RAM I just brought [duplicate]

I just brought G. Skill RipJaws and this is my first time buying RAM to update my computer. When it arrived today it said on the package it was compatible with Intel Core i7, Core i5, Core i3 and ...
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39 views

Why is CPUMark rating relatively the same for the Intel 2955U compared to newer Intel Braswell chips such as N3150?

In terms of processing power only (ignoring GPU performance), why is the CPUMark performance of the Celeron 2955U (2-core, 1.4GHz) relatively close to the Celeron N3150 (4-core, 1.6GHz)? Intel ...
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52 views

Why is current CPU frequency read-only for root?

I have a program that provides benchmarks, but its OS agnostic and does not know how to read CPU frequencies. The test program is driven through a script. If I provide the CPU frequency, then the ...
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57 views

What is the difference between Server and Embedded Intel server processors

I am in the process of building a server that will run SQL Server 2012 and was looking for a processor. While doing my research I have found Intel processors on their page being grouped in two ...
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1answer
29 views

How do I evaluate 2 different hardware specs for an application?

I have a single-threaded, CPU-bound application that's currently running on a multi-core Windows machine (32-way 2.1GHz Pentium Pro/II/III). It's stuck at 100% of one of the "cores", which equates to ...
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On device manager it says have 4 of the same 2.40 ghz processors so do i have 9.40 ghz

When I go to device manager to check my processor speed there are 4 the same exact processors shown is this a quad core and does the speed add up?
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How to display CPU and GPU fan speed percentage (instead of RPM) during gaming?

I use MSI Afterburner, RivaTuner and HWiNFO to (on screen) display CPU & GPU temperatures during gaming, but these softwares are not able to display the fan speeds in percentage. They only show ...
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1answer
34 views

Using modern AMD chips with Vmware and Virtualbox

Looking to build a cheap PC and then install VMWare workstation and Virtualbox to create some operating system virtual machines. Do all modern chips work with VMware and Virtualbox, or do they need ...
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Does the chipset also determines installablility of 32bit OS or 64bit OS?

I have Fujitsu Lifebook A6025 with Pentium T2130 and Intel® 945GM/ ICH7-M chipset according to the spec. I want to upgrade the CPU to Intel Core 2 Duo Mobile T7400(Socket M) CPU. The T2130 CPU ...
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Stuck at “Loading operating system…”

Today I got out an old PC from about 2011, running a Sandy Bridge i3. It had no ram or HDD in it, so I threw 4GB and a HDD in and attempted to install Ubuntu. After making sure the BIOS settings were ...
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CPU or Graphics card defect?

From time to time my computer dies while in usage. The screen either turns completly white, black or shows thin vertical stripes in two colors. I then have to kill it with the power button. When I ...
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2answers
434 views

486 computer does not POST

I have some trouble trying to POST a old Intel 486 DX motherboard. If i power up the board , the CPU becomes hot quickly and it doesn't make any beep noise, but only background noise (even without RAM ...
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1answer
83 views

CPU Over voltage error after updating BIOS

I have a problem with my motherboard. I updated the BIOS on my Asus P8P67-M to the latest version(3703) after this when rebooting my computer I was shown a message telling me that there is a CPU Over ...
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Linux laptop freezes sometimes

I have a fanless laptop (Acer TM B115M — Intel Pentium N3520 Quad-core 2.17 GHz, 4 GB RAM), and under Gnome and KDE, it sometime freezes. I tried a number of distros and it still freezes. It doesn't ...
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1answer
72 views

turbo c++ is not showing fine calculation on my computer

there is anybody for helping, i have a hp laptop pavilion 4 with 3gb ram and dual core processor, initially turbo c++(compiler of c)'s curly braces was not working in my laptop but when i have ...
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25 views

Can I put my 8x plug in a 4x slot (CPU powering)

Is that okay or will that damage my hardware? Because I just got a new power supply (corsair vs650) with a 8x plug but my motherboard (h81m-plus) only has a 4x plug Is this fine or am I out of ...
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1answer
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Startup Processors

So, my friend told me that going to msconfig and checking the multiple processors button and putting the processors to 4 (my processor is quad core) will make my pc run faster and make my games have ...
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1answer
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Processor Upgrade in Laptop Possible? [duplicate]

I have HP Pavilion 15-AB031tx Laptop, which has Intel I5 5200U 5th Generation Processor, Is it possible to upgrade 5th Generation to 6th Generation?
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1answer
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CPU Fan direction Cooler Master K280, GA-990FXA-UD3, AMD FX-8320, Cooler Master T4 Heatsink

I'm building my first computer, and this is what I have: Case: Cooler Master K280 Motherboard: Gigabyte GA-990FXA-UD3 R5 CPU: AMD FX-8320 8-core Heatsink: Cooler Master T4 Hyper Extra fan: ...
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49 views

Lowering the thermal throttling point on an Intel CPU

I have a laptop with the Intel i7 4700MQ processor, which I sometimes use for BOINC computing. However, in Intel XTU, I've noticed temperatures of over 80 °C for sustained periods. This temperature is ...
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1answer
31 views

HP Dv6000 Overheating Issue?

I have been using a HP dv6000 laptop for quite some time (months if not years), without any problems. I recently purchased a replacement fan for the motherboard, because the bearings in the existing ...
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2answers
75 views

Is it true that embedded graphics cards reduce the CPU's performance?

Consider the Intel HD Graphics. The video card resides inside the cpu die and uses ordinary system RAM. Therefore, it uses up Front Side Bus and Northbridge bandwidth. Therefore, accessing the main ...
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1answer
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AMD Phenom II X4 965 stuck at 800Mhz on GA-78LMT-USB3 Rev5 motherboard

I am on firmware "FA", which is the latest and only one available for this motherboard. My CPU is listed on the list of compatible processors. There is very little load on my system. I have a good ...
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669 views

Asus Z170-A No POST

My recently build system mainly contains the following components: Mainboard: ASUS Z170-A Processor: Intel I5-6600 PSU: BeQuiet S6 550W (Until now I have been using the same PSU with a Gigabyte ...
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59 views

CPU and Memory Running Well Below Set Clock Speed

The last time I used my PC was December 30th, and it worked perfectly. I turned it off, went out of town for a week, and when I returned, I turned it on to discover that my CPU and memory were running ...
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1600mhz ram compatibility with 1333mhz ram and CPU supporting 1333mhz max [duplicate]

I want to upgrade RAM in my PC. My motherboard is Gigabyte P55-UD3L. My CPU is Intel core i5-760. The only RAM that is both compatible with my motherboard (as the RAM manufacturer website says) and ...
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1answer
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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 - ...