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

learn more… | top users | synonyms (2)

0
votes
1answer
24 views

Is it bad/dangerous/damaging to set laptop fan speed to max all the time? [duplicate]

I use HWiNFO to set my fan speed to maximum (the maximum provided in HWiNFO, there may be higher speeds) all the time I am using my laptop to cool the processor and GPU while video editing and playing ...
0
votes
0answers
55 views

What causes “The speed of processor 0 in group 0 is being limited by system firmware” in the event log?

My Windows 10 event log continually states. In fact, I think my system is slowing down due to this fact. The speed of processor 0 in group 0 is being limited by system firmware. The processor ...
-1
votes
0answers
36 views

What processors are used in HDD controllers

Today I took apart a Seagate hard drive. Its main controller is the LSI B6650B, but there is virtually no information available on it. I guess it is custom made for Seagate, but probably based on a ...
0
votes
2answers
30 views

IPv6 CPU utilization in Ubuntu

How can I find out how much CPU is used on my Ubuntu to deal with abrupt IPv6 traffic? I use top command but I can not find out which process ID is dealing with the 11MBps IPv6 inbound into my NIC. ...
1
vote
2answers
19 views

Macs CPU temperature increases massively when charger is removed

So I was trying to kill a Java process the other day. I opened htop and looked for Java. This was the first time I really used htop so I figured I would set it up in a way I would like. I added the ...
1
vote
4answers
155 views

Windows 10 and new hardware

I recently upgraded my computer to Windows 10 from Windows 7. I am now thinking about installing a new motherboard and processor. Will this require me to purchase a new version of Windows, or will I ...
-1
votes
0answers
28 views

CPU - GPU communication [duplicate]

I know that when a device wants to communicate with the CPU it signals an interrupt. My question is on the communication of CPU - GPU. What happens when the CPU wants to communicate with the GPU. For ...
1
vote
3answers
532 views

Does a higher CPU clock speed compensate for lower cache?

The Athlon X4 860k has a 3.7 GHz clock speed, but the Pentium G3258 can be overclocked to 4.2 GHz. Does the higher clock speed of the G3258 compensate for the fact that it has 1MB less cache?
1
vote
1answer
40 views

Lenovo laptop with Intel CPU remains at lowest clock

I have an Lenovo T440p with an Intel Core i5 4300M CPU. 8GB RAM, SSD running with Windows 7 (preinstalled). The only thing I did not like about this laptop was the screen, which I replaced (the whole ...
-2
votes
0answers
214 views

Where can I find the specification about the upcoming i3 Skylake processors?

I saw that i3-6100, i3-6200, i3-6300, i3-6320 ... is coming in September, but no more details about it. Where can I find more information (frequency, cache, hyperthreading, ...)?
0
votes
2answers
40 views

RAM Limitation on 64 bit arch

I see that there are a lot of places mentioning 16 EB RAM limitation... However, isn't a modern register 64 bit? and if so, 2^64 should point to the number of registers possible and since they are ...
0
votes
1answer
27 views

What is CPU utilization and how is it calculated, how does OS scheduling work?

I studied x86_64 assembly language, somewhere in my studies I learned that the CPU cannot stop doing stuff, it must constantly run/execute something. Question 1) I am wondering then, how come there ...
1
vote
0answers
17 views

Difference between micro-ops in RISC and CISC

I read that the modern intel processors use the CISC instructions on the top, which are converted into RISC-like simpler instructions in the form of micro-ops at the back-end. So if intel micro-ops ...
1
vote
2answers
168 views

My Intel T9300 stuck at 0,75 GHz?

The CPU speed shown in my task manager confuses me. It shows permanently 0,75 GHz. Is it normal (I mean, when I just browse in the Web, it probably doesn't need more...) or might be there any problem? ...
9
votes
2answers
1k views

Can ASRock N68C-GS4FX Motherboard w/ AMD Phenom II X4 940 run DDR3 RAM?

I have recently upgraded my Motherboard and am now looking at RAM. I have an ASRock N68C-GS4FX Motherboard and a AMD Phenom II X4 940 Processor. I have used the CrucialPC system scan application, and ...
0
votes
1answer
86 views

Running G.Skill Ripjaws DDR4 RAM at 3000mhz with a i7-5820K

I have been struggling for the last few days with my new PC set-up consisting of a: MSI X99S Gaming 7 Mainboard i7-5820K CPU G.Skill DDR4 3000mhz (F4-3000C15Q-16GRR) The issue is that once I enable ...
0
votes
1answer
34 views

Did I get a dead CPU?

I have a shuttle SH67H3 that has had a pentium G620 as the CPU since I built it. I ordered an i3-3220T as an upgrade. I swap the CPUs, connect everything, hit power and...nothing. The fan spins but ...
-1
votes
0answers
18 views

How to set CPU Affinity on Windows 10? [duplicate]

I have been looking for an answer for the past 2 days but apparently no one on the Internet has asked.
0
votes
2answers
39 views

I need a list about the currently available processors [closed]

Basically i need a list of processors (Intel is enough), include desktop, mobile, server, newest ones older ones etc. The best will be an importable format (Access, mysql). Can it be found anywhere? ...
1
vote
1answer
43 views

Huge performance differences between i5 i7 SSD/non SSD…which makes more of a difference?

I have 2 pcs both running Windows 8.1 and each with 8b of ram. The differences are one has a solid state drive the other one is 7200rpm and also an i7 vs i5 Running the same application one query ...
0
votes
0answers
34 views

Desktop overheating room, is it CPU, GPU, or PSU?

If my door is shut, my computer turns my room into an oven, it's that bad. I'm hoping replacing a part will resolve the issue. Here's some specs: CPU: AMD FX 8320 Eight core GPU: AMD Radeon 6670 PSU: ...
0
votes
1answer
42 views

Does the GHZ of A CPU Make A Huge Difference [duplicate]

I am currently running an i3-2330M @ 2.2GHZ -- I was looking at 5th Gen Intel® Core™ i3-5010U processor. I understand obviously that the new one would be a 5th Gen and it's a 5010U which is obviously ...
-1
votes
0answers
17 views

Building Motherboards: CPU compatibility

I have an Acer predator ag7750-u3222 which comes stock with Intel's Core i7-930 Processor. I have an Core i7-3770 processor available. How do you check compatibility with processors and ...
1
vote
3answers
90 views

CPU temperature is too high

I have a problem with one of my old PC's. It's an Intel Celeron @2.4GHz on socket 478. When i enter the BIOS and go to Hardware Monitor, the temperature raises gradually to 65°C and sits like ...
2
votes
1answer
54 views

Does CPU matters in disk read/write speed

I thinking to buy my old Mac an SSD, but after asking around to some friends, and looking to different disks, some of my friends said that the SSD's read/write speed won't matter because my CPU won't ...
0
votes
0answers
64 views

How to Turbo Boost permanently?

Dell OptiPlex 990 with i7-2600. Turbo Boost is enabled and it's working correctly. Speedstep and C1E is disabled. No BIOS options, or hacked BIOS to overclock myself. Is there a way to keep the ...
3
votes
2answers
72 views

Brand new rig experiencing terrible fps lag in games. Tried everything I can think of to fix it

I have an entirely new computer SPECS HERE (except for the ram which is ~5 years old) that has been running great. Today however, every game I play has been experiencing lag that makes them nearly ...
0
votes
1answer
105 views

Why does my CPU have random 100% usage peaks?

I need your help. It's been since a couple of weeks by now that my cpu reaches peaks of 100% usage on tasks that, before, never needed this much work. And it is pretty annoying, seeing that when the ...
1
vote
2answers
70 views

No Thermal paste on box CPU?

I just bought a boxed i5. There was no thermal paste included. I understand that it is normally pre-applied to the stock fan in box sets. I didn’t notice that before mounting. However there was an ...
0
votes
0answers
103 views

Is there a way to run apps/games only on discrete card of full amd laptop?

Subj. Dual graphics disabled. Windows power mode - high performance. Same in AMD Vision Engine CC's PowerPlay. Drivers was installed in "recommended" sequence - chipset and all other - first, ...
0
votes
0answers
32 views

Why has my CPU suddenly started running hot?

I have an i7 920, zalman cnps9900 heatsink and fan, arctic silver thermal paste and gigabyte mb with no overclocking at the moment. I have three internal fans one push and 2 pull. but my cpu has ...
-1
votes
1answer
51 views

PC works fine on Windows safe mode, but I can't format using Windows installation CD

I have a laptop that restarts when booting Windows (not showing any errors, or any blue screens), when tested in safe mode it starts without any problems. I thought then that the windows installation ...
4
votes
2answers
150 views

Why does my CPU only support 32GB RAM when it has 39 address bits?

The following is the output of cat /proc/cpuinfo user@localhost:~$ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 60 model name : Intel(R) Core(TM) ...
0
votes
0answers
15 views

Will SSD work better than HDD with Intel i3 m330 [duplicate]

I have Intel i3 M330 CPU and a HDD in my laptop (it's 5 years old). I was thinking about replacing the HDD drive with SSD Sandisk (read/write 500mb/s). Will I see a considerable improvement in the ...
2
votes
1answer
70 views

Does the Windows registry hold details of the processor's capabilities?

I have a strange situation which I hope someone can shed light on. I have an old HP laptop NC6320 with a triple boot running Windows XP, 7 and Linux Mint. It's an Intel Core 2 T5600 which supports ...
0
votes
1answer
39 views

PC Case Side loudly vibrating when on high fan RPM

My CPU is an AMD FX-6300 and it is cooled by it's stock cooler. The problem with the stock is that it tends to spin at 6600+ RPM when on heavy load. So every time I start GTA V for example I start ...
0
votes
1answer
35 views

Computer shutting down randomly - possibly overheating?

My computer will randomly shut down, usually it's while playing a game or doing a high processing task, and the last thing I will hear is my loud fan. But sometimes the fan won't be too loud and I'll ...
1
vote
1answer
40 views

What frequency does impedance matching become important [closed]

I am in the process of making a motherboard for a Pentium III processor, with a bus speed of 66/100 MHZ and core clock of 800MHZ. What I need to know is at what frequency in general do I have to start ...
0
votes
1answer
28 views

Is it ok to use a Haswell CPU with old power supply?

I will buy a i7 4790k, and I want to know if I might encountered any problem using it with a old 250W power supply. I'm planing to get a new power supply also, but only when a I got my video card. ...
1
vote
1answer
122 views

Temperatures for AMD A10 6800K APU? [duplicate]

I have AMD A10 6800K, which is APU(is a CPU with GPU included) and I wonder what are the safe temps for the WHOLE package, I don't if I'm mistaking or not. I know the ideal temperature for AMD ...
2
votes
1answer
55 views

My HP 4540s only boots to BIOS when it's COLD — I have to chill it in the freezer first [closed]

I have a 2 year old HP Probook 4540s, core i5. It is dual-booted with Win 8.1 and Mac 10.9.5. Has run stable for the 1 year I've owned it. The other day I got a "Fan Error 90B" on startup. Inspected ...
1
vote
1answer
38 views

AMD Kaveri + dedicated graphics card

I have red an article about an AMD technology used in A series Kaveri processors called HSA In few words they make processors with GPU cores, and HSA is basically a technology that makes the GPU ...
7
votes
1answer
288 views

Suspend process according to CPU temperature in Windows 8

Is there is a software or a way to suspend a process according to the CPU temperature? Sometimes when I render video the CPU temperature increases a lot, so I have to suspend the process in resource ...
1
vote
0answers
18 views

PC Won't Sustain Power

I've been using this system almost every day for the past 7 months. It has worked completely fine with no indication of error at all, but now it will not power on. Whether I use the casr button, the ...
0
votes
0answers
26 views

Calculating CPU & RSS Percentage for process from /proc fs

Im trying to understand the values in /proc//status I want to calculate cpu% & mem% used by PID, similar to top bash command. For Memory percentage usage I can do the following, correct me if Im ...
13
votes
4answers
2k views

How can a processor execute more IPS than its frequency? [duplicate]

This has been something that I can't seem to wrap my head around. Just about every modern processor is able to execute more instructions per second than its frequency. I can understand why lower ...
1
vote
0answers
73 views

CPU usage while uploading video

This may be a dumb question, but when I'm uploading video to YouTube (through the site's own upload form, in Firefox, running on Linux), I see more activity in my CPU status monitor and hear the fan ...
-2
votes
1answer
35 views

Will these parts be compatible together? [closed]

I am looking to build a PC that is meant just for gaming and programming. If I go through with it, it will be my first PC build ever. I've watched a few videos to learn how to build a computer and ...
0
votes
1answer
36 views

How to know by which method did my system boot?

Is there any way of detecting as to whether my system started by manually pressing the power button or did it start because of a Wake-On-LAN packet??Can i store this value somewhere and use it ...
37
votes
1answer
3k views

Meaning of Intel Processor suffixes

I just bought a Core i7 2nd generation machine which shows the processor in the BIOS as: Intel Core i7-2620M CPU @ 2.70Ghz I have seen i7 3rd and 4th generation processors on Google but I am not ...