All Questions
676
questions
0
votes
2
answers
1k
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When a CPU sends an address to memory
I read that this is how a CPU retrieves information from memory.
Send an address on the address bus to the memory.
Send a read control signal on the control bus to the memory.
The memory sends the ...
- 74.2k
1
vote
0
answers
1k
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Can I install higher frequency ram than what my motherboard supports? [duplicate]
I have a laptop HP 14-am519tu.. online websites shows that it supports DDR4 RAM upto 2333 mhz.
I have bought 2666 mhz ram online https://www.amazon.in/dp/B08C56KXQJ/ref=...
- 11
1
vote
1
answer
104
views
Computer suddenly and completely dies then boot loops but next day is completely fine
Last week my computer unexpectedly completely shutdowns instantly, no freezing, no blue screen, it was as if the power plug was pulled out. It wasn't even doing anything intensive. It then booted up ...
29
votes
6
answers
47k
views
What is “YaraScanService” that shows up in macOS Mojave Beta (10.14) and macOS High Sierra (10.13.6)?
I just updated to to macOS Mojave version 10.14 Beta and I have noticed a new process called YaraScanService. The process is consuming too much RAM (around 10GB ). I killed the process using Activity ...
- 2,487
0
votes
0
answers
21
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What limits the size (GB) of RAM module I can install in a RAM slot? [duplicate]
I often see something like this in laptop configurations:
2 SODIMM slots | 2 x 4GB | upgradable to 2 x 8GB
What limits it to 8GB per module? Why can't I put 16GB or 32GB module in each slot?
Do they ...
- 159
4
votes
1
answer
11k
views
Relationship between CPU and Memory Clock Speeds
If I have a CPU with a maximum clock speed of say 2GHz, and I have a choice of memory which runs at say 2400MHz or 3200MHz, will getting the 3200MHz memory produce better performance, and how?
I ...
- 57.5k
1
vote
1
answer
2k
views
How to run a program once CPU/Memory reaches a certain %?
Simply put I have a very VERY useful program let's call it "Bigbro" that needs to run 24/7, I have made a script with macro recorder to automatically kills all instances of BigBro and ...
- 131
0
votes
1
answer
243
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How to tell if RAM, CPU or motherboard has failed? Should I assume all 3 have failed if I can't test?
Motherboard: gigabyte B450M S2H V2 (new)
CPU: Ryzen 7 3700x (new)
RAM: 2x16 GB DDR4 UDIMM - mta18asf2g72pdz-2g3b1ig (used from a reputable seller)
Tried two different PSUs (tested both on an old ...
- 3
1
vote
0
answers
24
views
How does a CPU discover DIMM attributes? [duplicate]
When you plug a DIMM into your motherboard, the CPU can "see" all kinds of attributes about the stick:
Clock rate
CAS Latency
Bank count
Total size
etc...
But I can't seem to figure out ...
- 11
0
votes
0
answers
168
views
How to diagnose/distinguish motherboard/CPU issues?
For the last few months my PC is acting weird. Random App crashes, Chrome tab crashes, memory errors, apps simply disappearing, BSOD with errors not helping at all, random restarts (Event-log shows ...
- 101
0
votes
1
answer
3k
views
Visual Studio Hardware Recommendations [closed]
I am currently arguing for better hardware for our development machines. We exclusively use the Microsoft stack, running Visual Studio 2015 Enterprise and TFS 2012 Update 4, with SQL 2008R2. Our ...
- 4,127
-1
votes
1
answer
122
views
RAM Compatibility w/ Motherboard & CPU [duplicate]
This is a followup to the previous question I asked which was closed for having asked stuff that would be irrelevant in the near future.
So. I'm a beginner to building my own computer, so sorry if ...
- 43.1k
1
vote
2
answers
967
views
Maximum possible amount of memory within single channel of CPU
I have not too old notebook Dell Inspiron 15 3542 with CPU Celeron 2957U. This CPU support maximum 16Gb of RAM. But that notebook have only single slot for one DDR3L RAM.
According to the ...
- 8,255
0
votes
0
answers
252
views
Temporary files causing explorer.exe to behave oddly and use excessive CPU time
Since I built my computer a couple months ago, I noticed that explorer.exe is constantly using about 10-15% CPU at idle. I finally discovered that the source of the problem is most likely some program ...
0
votes
0
answers
1k
views
MSI MEG X570 unify based, brand new system - Error Code 54 in POST
First, about the system:
Corsair HX750 80+ Platinum
MSI MEG x570 unify
Ryzen 9 5900x
2 x 16GB DDR4 3600 CL19 (Corsair LP)
Powercolor RED DRAGON Radeon 6800
Samsung 980 PRO M.2 SSD 1TB
I also attached ...
- 101
-4
votes
2
answers
54k
views
What's the difference between DDR3 PC3-1300, PC3-1600, PC3-12800, etc
My mainboard has only 2 slots for RAM. Currently, Speccy says that I have:
2 x Kingston 4GB DD3 PC3-10700
Can I replace these RAMs with 2 x 8GB DD3 PC3-12800
My mainboard is a Gigabyte GA-H61M-DS2 ...
0
votes
2
answers
5k
views
High memory usage, but low CPU usage?
I´m trying to merge large data frames, using R. My computer CPU has 3GHz intel Core i5 Quad-core, with 8GB RAM. I´m using the Reduce function, I´m not using a loop. All data frames are in a list, ...
- 245
0
votes
0
answers
79
views
Uninstalled RAM and reinstalled it but now monitor won't display anything
Background: I'm planning to upgrade my RAM but I'm new to upgrading RAM on my own, so before purchasing and installing a new one, I went to find out how the motherboard looks and uninstalled one of ...
- 56.1k
4
votes
3
answers
801
views
UEFI configuration for DDR4 memory on ASRock X99 Extreme3
I once over-estimated my knowledge of hardware (especially combination of motherboard and memory) and bought 4x 16GB GeIL EVO Potenza DDR4-3000 DIMM CL16 for an ASRock X99 Extreme3. I tried to ...
- 2,332
40
votes
6
answers
144k
views
How much memory can a 64bit machine address at a time?
If the memory is byte addressable, shouldn't it be
2^64 / (2^10 * 2^10 * 2^10) = 2^34 GB ?
A general Google search says 8GB or 16GB max.
How is that true? Also, how does it depend on the Operating ...
- 628
0
votes
1
answer
2k
views
Poor FPS on Minecraft with RX 570
I've looked around many forums, and most of them blame poor FPS in Minecraft due to a weak processor.
I get around 90-120FPS on Minecraft, which isn't really a huge complaint, but occasionally it ...
4
votes
6
answers
5k
views
How can I improve the computer performance? [closed]
My laptop is a 12 year old Compaq 610, 4GB DDR2, not upgradable chipset (Mobile Intel GLE960 Express), Core 2 Duo T5870, 320GB HDD and 240GB SSD, Windows 10 x64. System boots fast but performance isn'...
- 9,891
0
votes
1
answer
150
views
Make Virtual Box Faster on a 4-core laptop
This is a follow-up on this earlier question I posted.
While the comments and answers provided clarified why increasing CPUs made my VM slower, is there anything I can do to make my VM faster with ...
- 56.1k
1
vote
1
answer
620
views
Powerful computer runs very slow for short intervals
I think this is the best place to put this question, but I'm not sure. Basically, my computer will run very slow every once in a while but then everything goes back to normal (for example, I will type ...
CommunityBot
- 1
1
vote
2
answers
1k
views
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
...
- 11
382
votes
19
answers
238k
views
If 32-bit machines can only handle numbers up to 2^32, why can I write 1000000000000 (trillion) without my machine crashing?
32-bit computers can only store signed integers up to 231 - 1.
This is why we have run out of IPv4 addresses and have entered the 64-bit era.
However, the number 231 - 1 (2,147,483,647) is not as ...
- 57.5k
12
votes
4
answers
93k
views
Command Line utility to see list of tasks CPU Usage, Memory, and execute
I want to log, every 10 minutes, list of all the apps in windows that now running, the CPU usage, and memory usage.
I have many node.exe tasks, so I want to see the arguments of the task (for example:...
- 121
1
vote
1
answer
193
views
Why aren't CPU instructions decoded before the program runs?
What is it about the decoding step of the instruction cycle that prevents it from being done ahead of time?
The Intel 64 manual says things like "decodes instructions into micro-operations".
...
- 93.8k
0
votes
0
answers
785
views
ffmpeg on 2x12 Core CPU uses every core but only to 40-70% - where is the bottleneck?
I converted videos with ffmpeg on my Ryzen 3700X and ALL cores were used to 100%. Now I ran the same conversation on a server with 2x Xeon E5-4657L v2 and 192GB RAM. Surprisingly all cores were used, ...
- 905
0
votes
0
answers
580
views
Dual boot windows machine is slow?
I have MSI X99A SLI Plus (MS-7885) with Intel xeon E5-2620 v4 CPU with 32 GB RAM and 4 GB Graphic card. This machine works like a charm, I am ubuntu user. I decided to install Dual boot and after ...
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