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

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Use TDP to size power supply wattage?

I'm running an A1SRi-2758F motherboard with an Octacore Intel Avoton CPU. The CPU is advertised as 20W TDP (Thermal Design Power.) Is my assumption correct that when the CPU generates 20W TDP, it the ...
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47 views

Cpu overheating and bios cpu fan error

I have an i5 2550k a p8z68 mobo, and a Corsair h100 liquid cooler. As of last night the CPU started throttling and I guess overheating after 4 years no issues. Whatever, i tried reapplying new TIM/...
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67 views

My new motherboard Asus Z10PE-D16 WS doesn't start

I have purchased the following components : Asus Z10PE-D16 WS 2 CPU : Intel Xeon E5-2658 v3 2 Fans : Noctua NH-U12S Power Supply : EVGA SuperNOVA 1300W GOLD Ram : Kingston KVR21R15D4K4/64 RAM 64Go ...
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15 views

what to choose mimo or dual-polarized?

I am confused there are a lot of futures and anttena types for CPE 1- nanostation m2 : 11 dBi MIMO Technology COMFAST CF-E316N V2.0 : 16 2- dBi dual-polarized Technology SunEyes SP-CP302 : ...
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12 views

Laptop CPU Frequency Dropping

I am looking for some help on what is going on with my laptop. Whenever I try to play a game on this machine the CPU will not reach its max frequency (2.5 GHz non-turbo, 3.6 GHz turbo) and instead sit ...
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22 views

Power-off on CPU-intensive task

I'm not sure if this is the right place to ask, but I'm a bit lost at the moment: I recently looked into this project which is quite memory and cpu intensive. Everytime I start a calculation my ...
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20 views

Noctua CPU Cooler - replacing just the fan

I have a Noctua CPU Cooler [NH-U12S], and unfortunately I frayed some wires on just the fan part. Upon searching for a replacement, I'm only seeing options to re-purchase the entire heatsink, and not ...
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How to make sure whether my laptop is running on 'Intel 6th Generation' processor or any other ordinary processor?

I just bought a Lenovo laptop from an authorized multi-brand retail outlet. I specifically asked the shop representative that I want a laptop which runs on any of the 'Intel 6th Generation' processor....
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32 views

Processor Requirements and Specification

why server processor ghz in less than desktop ghz tomorrow I was searching Intel processor Dual core and I notice that server processor have great amount of cache memory 6M as compare to desktop ...
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71 views

Is pairing an i5 6200U with 16 GB of RAM a bad idea?

Every site (except for one) I look on, the allowable/offered combinations of processor (i5 or i7) and RAM (8 or 16 GB) are as follows: i5-6XXXU 8 GB i7-6XXXU 8 GB i7-6XXXU 16 GB What I want is an ...
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If a CPU says “supports ddr4 2100” buit my motherboard can overclock my ram, will that even work?

I'm buying an MSI X99A motherboard. Only two CPUs support it though, the i7 5820 and 5930. Both of the processors say "Supports ddr4 2100" I bought ddr4 3000 RAM and the motherboard says ...
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54 views

Assign an individual core to a process

What I'm trying to implement is to run a python script on it's own core on Raspberry Pi 2 with Debian. One can use taskset to bind a process to particular core. But I need this core to be free of OS's ...
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26 views

Macbook type A1181 sluggish after repair. What could have gone wrong?

I had to replace the CPU fan and the inverter cable of this macbook. I followed the guides at ifixit: Repair guides for MacBook Core 2 Duo After reassembly the screen and the fan worked properly but ...
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55 views

CPU capacity not fully used - Stuck at 16%

I just bought a new Laptop. The problem is that it only uses 16% of its CPU capacity, and never goes over that. I have tried stressing the CPU, but even then it still doesn't go over 16% Booting in ...
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45 views

Limit CPU frequency on Ubuntu Linux

I'm looking for a way to limit CPU frequency when system is running on battery. Solution doesn't have to work exclusively when using battery, it may be in form of bash commands from which I could make ...
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30 views

CPU causes desktop unit to shutdown

After a couple of hours of trying to figure out why my computer was continuously shutting down 30 seconds or so after being powered on I finally narrowed it down to the CPU. With it removed, the PC ...
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69 views

Overheating CPU, advice required

Intel i5-2500K Gigabyte Z68A-D3H-B3 Radeon 7950, not that it should matter I've been noticing spikes in my CPU usage. I downloaded Process Explorer and tried to get to the bottom of which process ...
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40 views

High CPU Usage by “root” User in Ubuntu VPS server

My server was working fine until last week, until it seems someone changed my SSH password. After this when I checked the CPU usage, it always 160-190% on executing top command. Some users told that ...
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Custom Windows Power Plan Issue

When you create a custom power plan in Windows 10 using one of the existing power plans (High Performance, Balanced, Power Saver) as a template, are those power plan "templates" simply a grouping of ...
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27 views

CPU performance growth stagnates

I looked at this diagram and I am wondering me that the increasing of the CPU performance seems to stop although the transistor count is still increasing. I mean what are the profts of the increasing ...
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23 views

Determine part/ model numbers & specs of Motherboard, Memory & CPU for network of PCs

Is there some easy way to pull this information from a network of PCs? To this individually on a machine here are the ways: How can I find out what motherboard is in my computer? http://www....
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28 views

CPU upgrade - HP Probook 4540s and Mobile Intel HM76 Express

I have bought used HP Probook 4540s with Mobile Intel HM76 Express motherboard, with Intel Core i7 3610qm which needs 45W. My motherboard is providing 35W. On the HP Probook 4540s site this processor ...
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49 views

CPU reaching 98C when using Google Hangouts

When idling my laptop is 45 - 50C, when browsing it is 55 - 70C and when watching HD videos it is 75 - 87 and when doing a hangouts call (with HD on my webcam) it is 93 - 98C. The laptop is very loud ...
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67 views

How do you underclock RAM (with Gigabyte F2 UEFI)?

I've purchased an AMD A10 7850K with a Gigabyte GA-F2A88XM-D3HP and 8GB 2400MHz Corsair RAM for my computer. The problem is that the AMD A10 7850K doesn't support RAM at 2400 MHz, so I'm trying to ...
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86 views

Does a USB 4G dongle connected to a router perform differently to a router with a 4G SIM slot built-in

I think I covered the question in that beasty title but I'll give some background to the question. We are organising a charity LAN event and need a method of getting reliable Internet access via 4G ...
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50 views

Disable system cooling

When my PC gets a bit hot [?] I get lowered performance. To be honest, I don't really understand the reason my PC can run super-fast and after 15 seconds of stress it's running super-slow. It's a ...
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49 views

I messed thermal paste and how to monitor CPU on a Windows XP?

I messed thermal paste between CPU and heat sink. I removed it and a good potion of it passed to my palm. Now what are my options? Is it safe to plug it in anyway and use it cause there is still ...
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34 views

Understanding cpu usage

I have this simple code int main() { while (1){} return 0; } When I run this code on Windows, why is my cpu usage only 25%? Yet, when I run it on Linux, my cpu usage is 100% I have 4 cores ...
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18 views

What makes a CPU work hotter under the same conditions?

I have a couple of Lenovo x201 I found in a dumpster a few years ago. Both have the exact same specs, and both required a new LCD screens so I got two identical LCD modules for them. Usually I only ...
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27 views

Reenable Turbo Core MSI GX70

I was tinkering with overdrive on my MSI GX70 with windows 7. I tried fiddling with CPU cycles and it asked me do you want to disable the TurboCore, which it did. However, now I can't seem to turn it ...
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72 views

How can I make Speedfan run automatically when the PC starts?

I tweaked the fan curve on my case fan because it runs at 100% when I am gaming. So I made it run at a max of 80%, which is MUCH more quieter, and it doesn't seem to have any impact on the max ...
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85 views

What are dangerous motherboard operating temperatures?

There are five motherboard temperature sensors for my PC, according to HW Monitor. Two of these, called TZ00 and TZ01, are always at 28C and 30C respectively, no matter what. I am inclined to believe ...
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CPU cores remain offline after hotplug

When my UPS triggers an "on-battery" event, I want all cores to switch off to conserve power. The PC has 8 cores on two chips, UPS batteries need replacement every 3 months because of high current ...
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137 views

Malicious Windows 7.exe file using all my CPU [duplicate]

My Problem I'm a Windows 7 user and to get it out of the way, Windows 7.exe is not a Windows 7 file. It's a smart virus that is using all my CPU. What I've Tried Every time I hit end process in a ...
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51 views

What happens when putting very fast RAM in slower Mobo with slower CPU?

This is a dumb question and I'm a bit ashamed of having to ask but it's the first time I stumbled across it. Let's say I have an i7 5960X with support for DDR4 1333/1600/2133, an ASUS X99E-WS which ...
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What is variable length instruction, What is its importnace in 32 and 64 bit OS [duplicate]

While reading about 32 bit vs 64 bit OS i came to know that there is instruction length varies from 32 bit to 64 bit. What actually it means and what is its importance?
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What are the ways I can improve airflow and reduce temperatures in a pre-built PC casing without investing in extra cooling fans?

Inside of my casing: Front/back/side of casing; Just want to know if there are any simple things for me to do to improve cooling and reduce temperatures without having to invest in a new cooling ...
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Change temperature at which fan turns on?

I own a Razer Blade Stealth. Absolutely love it. Sometimes, however, the CPU temperature shoots over 80 degrees C, especially when watching videos full screen. I have done some research and found it ...
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86 views

Brand new laptop making an electrical sizzling noise when opening programs

I just bought the Acer V17 Nitro VN7-792G-705X. The processor is the Intel i7-6700HQ. I noticed that when I open a program, say google chrome, you can distinctly hear a sizzling noise coming from ...
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32 views

What is “Maximum Frequency”, why is it above 100% most of the time, and why is it so high when it should basically be idle?

Image of CPU according to WRM and Task Manager: The above image is what WRM reports my Max Frequency to be of my CPU. Why is it so high, and also why is the Speed on task manager higher than the 3....
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57 views

Slow VNC. Where's the bottleneck?

I have two computers in a LAN, one for leisure and one for hobby. The latter I connect to via Remmina VNC. This is what the desktop of the hobby computer looks like. The speed of my mouse cursor ...
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How to choose right cpu with difference sSpec & Steppings?

My motherboard is an ECS RC410-M2 (V1.0) In the CPU Section, Pentium D 900 series has several specs, and I bought Pentium D 945:SL9QQ BX80553945 D0 N/A 95 W with D0 stepping When inserted in my ...
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40 views

PC Completely Freezes, Needs to Be Rebooted

I have a pretty old built PC that I was recently upgrading. I upgraded quite a few different parts so I'm not sure what was the thing that lead to this issue but now my computer reliably freezes ...
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How to get statistics of CPU throttling?

My dmesg output says that the CPUs are throttled, because of the temperature. [ 1283.260276] CPU3: Core temperature above threshold, cpu clock throttled (total events = 1) [ 1283.260277] CPU2: Core ...
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First build: mobo lights up, but no CPU fan or monitor activity

I am having trouble booting up my first PC build. It uses compatible suggestions from Logical Increments, which include the following: Case: Cooler Master Trooper (Rev. 2) Motherboard: ASUS Z170 PRO ...
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Could my processor handle Windows 10 64 bit?

It's an AMD FX-4300, could it run Windows 10 64 bit? Or, I'd even settle for Windows 7 64 bit. Literally any kind of Windows 7 or up 64 bit.
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What does L4 cache hold on some CPUs?

All modern multi-core CPUs have at least a three-level cache (refer to Why do we need multiple levels of cache memory?). L1 is the fastest and smallest, L2 has slightly more latency but is larger, ...
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75 views

High CPU Usage caused by JavaScript

I have a big problem with my new Ultrabook. It is a Asus UX305LA with an i7-5500U processor. The problem is, that my CPU Usage while surfing on web pages using Javascript is extreme high. For ...
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39 views

Identify this Intel Core 2 Quad engineering sample

Which is this Intel Confidential cpu? It has 2333MHz Core + 12MB Cache
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250 views

CPU core temperature high and cycling, @100% CPU load Asus Z170 Deluxe, i7-6700K

Update: Upgraded BIOS to 1801 - CPU got hotter 70-75degC!! Disabling Turbo Mode in BIOS stopped the cycling (BIOS 1702) CPU temp ~65-69degC. Already changed the CPU (with upgraded dual fan cooler) ...