RAM (random access memory), either RAM hardware or software and operating system use of RAM.

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Physical memory used space by process in taskmagare

I sum the value of used space memory by each process (all of them) that is showing in TaskManager and I understand that the sum of them is not really 68% of my memory card that is shown in the below! ...
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3answers
81 views

Operation System Clone from a Motherboard to Another [closed]

Lately we had an idea with my Family of building a Super Computer from Scratch. So while we were planning on building our setup, one idea came to my head that it seems possible but i want also your ...
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2answers
23 views

Is this ram compatible with my desktop? [closed]

I want to buy this: http://www.newegg.com/Product/Product.aspx?Item=N82E16820148540&cm_re=ram--20-148-540--Product But I don't know if it's compatible with my Dell XPS 8500 which is a desktop. ...
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42 views

How to identify hardware performance bottleneck in laptop?

Is there any tool that helps to determine the weakest link of my current laptop hardware specification? Any online guide to help me choose nice balanced configuration for the new laptop? I need to ...
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0answers
28 views

Will the SuperMicro X7DCA-L take Fully Buffered memory?

I have a lot of Fully Buffered DDR2 memory http://www.hynix.com/datasheet/spd/HYMP351F72AMP4N3_SPD.pdf My question is, would it work on SuperMicro X7DCA-L motherboard or do I have to purchase ...
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1answer
40 views

What's the difference between dd's command options bs=1024 count=1 and bs=1 count=1024

Consider the following two commands both creating a dumb 1KB file dd if=/dev/urandom of=test.file bs=1024 count=1 dd if=/dev/urandom of=test.file bs=1 count=1024 The first command uses a block ...
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33 views

“Not responding” error while CPU and Memory are free

Sometimes, while CPU and Physical memory are free, some program's status change to Not responding! Why?! For example as you see below, 80% of CPU and 25% of RAM are free! but VMware went to Not ...
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48 views

GIMP slows down my Ubuntu 14.04 over time

I have some problems with my GIMP recently. When I start GIMP it runs perfectly fine, but over time, say about 15 minutes, it's starting to slow down my Ubuntu (14.04). After checking my system ...
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47 views

Virtualbox Memory Overcommit

I need to run a VM appliance that wants access to more RAM than available on the physical host (16GB needed). I understand there are performance penalties, but I plan to run this VM as a background ...
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26 views

Linux OOM killer does not release memory immediately

We have a Ubuntu 12.04 VM on ESXi 5.1 with 4 GBs of RAM and the swap is turned off. One of our Java processes eats a lot of RAM and naturally OOM killer kills it but although the Java process is ...
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48 views

Where Is My Memory Wasted?

I have 8 GB Random Access Memory. And have no idea where the major (6 GB) part of it is disappeared (or usually disappears). Total sum of all the MBs listed in the Task Manager (I know not all of the ...
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53 views

Can RAM with significantly lowered temperature still be accessed normally?

If I significantly lower the temperature of RAM using those dust cleaners (I'm following the method outlined in this paper: ...
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76 views

Asus P7P55D-E LX motherboard — over 16GB RAM?

We have a FreeNAS server with a P7P55D-E LX motherboard. We've added a lot more disk space since building, and need to upgrade the RAM. Specs say 16GB is the max ... (4x4GB) ... but is this true ...
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1answer
32 views

What happens to the rest of my RAM if I limit Windows to a lowered amount?

I've been experiencing a little bit of system instability, so right now I'm going about limiting my CPU and RAM usage within Windows to see if I can pinpoint anything. I've found how to limit CPU ...
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1answer
71 views

A very clever virus?

This happened after I'd deleted all my system restore points to save disk space on my 60GB SSD, and run a MBAM scan the day before. Yesterday I downloaded a video file that would not play, though it ...
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1answer
85 views

Creating a RAM disk out of an existing folder on a hard drive

I know there's a lot of software that will allow you to create a RAM disk, but I have a specific situation. I'd like to put my installation of League of Legends onto a RAM disk. The issue is that ...
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34 views

How is the burned BIOS/firmware code executed from the CPU? [closed]

Let's use simple Intel and "generic PC" memory-mapping/engineered boards to get the gist of this. BIOS/firmware is hardwired to a certain address; an address from which is immediately ...
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2answers
81 views

Is RAM completely cleared when you turn off computer after pulling power? [duplicate]

Would there by some way to pull the power instead of conventional shut down, and recover the contents of ram without loading the operating system upon the next start-up? I'm trying to recover files ...
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1answer
32 views

Using a new memory ram and almost a broken memory ram together

I just bought a new memory ram(TwinMOS,2GB,DDR3,1333 MHz),I tested it using memtest and it passed the test without any error but I have another memory ram (GEIL, 2GB,DDR3, 1333MHz) which I used it ...
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0answers
54 views

Process tree CPU history usage, process tree memory usage (aggregated) on Windows 8.1

This question is general for Windows OS, but I would like to see a software for Windows 8.1, since this is what I use. I'm looking for software, that will take a process tree (e.g. Chrome.exe ...
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1answer
32 views

Picking the right ram [duplicate]

I informed myself of picking the right ram, but there are still questions. I am currently running a AMD Phenom II x4 965 (Black Edition) on an ASUS M4A87TD EVO. I'm planning to switch my core as soon ...
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51 views

Is creating page files on separate HDDs a good thing or unnecessary with lots of RAM on Win7x64?

I have set the page file to custom using the recommended mbs and noticed on my two other hdds that they were blank and was wondering if it would be necessary to set up page files on those hdds. I have ...
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2answers
51 views

Computer doesn't start after installing new Corsair DDR2 RAM

I have a new memory stick (CORSAIR 2 GB of RAM) and I have an older set of 2 sticks of RAM that are 512MB and 256 MB. (I bought it 1GB actually but the Computer tells that it has 256MB of RAM only). ...
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1answer
118 views

Adobe photoshop “not enough ram” message opening a 60 MB TIFF file

I am working with Windows 7 x64 on a full HD monitor, Intel i5-2500K and 8 GB RAM, currently available 5,5GB. I tried to extend photoshop's memory usage and scratch disk settings as following: But ...
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My RAMs shrunk with no apparent damage. 8gb to 4gb on both rams.

My computer recently started rebooting randomly, or whenever there's a bit of shock on the table. I thought probably one of the slots are loose. And I found on my OS that my 8 x 2 = 16GB RAM was ...
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1answer
36 views

ASUS 797-AR BSOD when two DIMM channels are in use

I've run into a very strange issue. Built a new machine this past weekend and everything was running smoothly for about four days. Then I had a stick of RAM die. Exchanged them for a new pair and now ...
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70 views

even if we have enough RAM space, why OS will use SWAP memory? [duplicate]

from the above pic, you can see we have 3191 RAM free, but at the same swap is also using about 661 bytes. why it is occurring ? can any give a glance regarding this. Thanks
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1answer
26 views

RAM buffer access makes beep/screech

When I execute dd if=/dev/zero of=/dev/null bs=1G count=1, I hear a curious, very soft- screeching sound (think HD spinup but shorter, softer, and higher pitched) from where I know my RAM is located ...
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44 views

Computer slow when there is over 8GB RAM

My motherboard is a Sapphire pure black X58, with 6 ram slots ( tri-channel ) and 3x 2GB G.Skill PC12800 PI series on them, and when I received for free 6x 2BG G.skill PC12800 NQ series I wanted to ...
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3answers
85 views

How to increase swap memory in Windows? [duplicate]

I bought a new system with 4 GB of RAM. I don't know how do I check how much swap memory I have allocated. I know that we can increase RAM physically. I want to increase swap memory on windows. How ...
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78 views

When is swap memory useful? Why do we need to set it to twice the amount of RAM? [duplicate]

I know that memory will be swapped whenever RAM usage is high. And I read that we need to set swap to be twice of the amount of RAM. But why? How will it shift from RAM to swap? If we do not have swap ...
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431 views

What is using up all my memory? - Ubuntu 14.04 LTS Server

This is a physical server, not a VPS, it is a Shuttle mini server with Intel(R) Atom(TM) CPU D525 @ 1.80GHz and a single stick of 2GB ram. It has a JMicron Technology Corp. JMC250 PCI Express ...
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49 views

Why formatted flash memory has used space

I format my flash memory and select its file system format as FAT32 : And then take a look at the flash memory drive properties : As you see above, there is a 16KB used space. I change ...
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3answers
40 views

If RAM Disk had continuous power, even if the computer was turned off, would it still be volatile? [on hold]

I am planning to host a Minecraft server and discovered RAM Disks. They are fast, but volatile(meaning if it lost power, then it would lose all data). I am a tinkerer myself so I thought, "Maybe I can ...
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43 views

Apache vs nginx Memory Consumption with PHP

I want to start by saying that I know the debate regarding PHP performance under Apache and nginx is still a bit undecided, as PHP is generally the bottleneck on performance. I have my application ...
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1answer
40 views

Does using more memory slots equal better bandwidth?

I am thinking of buying a Mac Pro, and I am wondering about the various memory configurations. It can be had with 3x4GB, 4x4GB, 4x8GB or 4x16GB. 3x4GB seems like a weird configuration. I thought DDR ...
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1answer
36 views

Mac pro 2,1 boots up but won't restart?

I am very confused with this problem. So I just recently purchased a 8 core 3.0ghz Mac Pro 2,1 and I upgraded the memory with 16gbs of hynix ram, and everything worked great the computer was reading ...
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77 views

How to force the Linux kernel reclaiming cache memory rather than using swap?

I have a PostgreSQL-driven web service on two Debian servers, one a vhost running Linux kernel 3.2.0-2 with 2GB RAM and the other a dedicated server running Linux kernel 2.6.26-1 with 6 GB RAM. ...
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1answer
28 views

Increasing number of huge pages exhausted memory

On the box we have 38 GBs of memory. After I have set the number of huge pages (2048k) to 17290, I've found out that nearly all of the memory was used. But I didn't run any process. How could it be? ...
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6answers
4k views

Doesn't metadata occupy any size?

I put 4096 characters in a text file and save it.Since every character is 1 byte, Size of the text file must be 4K byte.As you see below that's OK: I connect my flash memory to my computer. the ...
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3answers
149 views

How to use full bandwidth available?

I'm working on a new kind of proxy server using node.js. With cluster module I'm able to fork the process (which are double the number of cores). The server configuration is 8GB RAM, 8 core Intel ...
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1answer
49 views

Haswell 4770k 1866 or 1600 ram difference?

Hi all i am getting this proccessor and am still not decided on the ram. I was told haswell works best with 1600 and that all 1866 is 1333mhz overcloked to 1866 so its best to get the 1600? I will ...
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1answer
60 views

Use more than 2Gb RAM in Dell Optiplex 320

A while ago I purchased 2*2GB Sticks of RAM for my Dell Optiplex 320. When I inserted them i was greeted with a series of beeps, and a system that would not boot. I checked each stick, and ...
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Incompatible RAM with a laptop

Recently, I bought a RAM (Vengeance CMSX8GX3M2A1600C9) for my laptop (eMachines E732G). Yesterday I installed the RAM on my laptop. There was a problem. I could not install any operating system ...
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How to find the largest size of memory?

how can I calculate the largest size of memory that can be used with a 16 bit address bus and a 8 bit data bus? Is it 2**16 bytes - with regard to the address bus - or 1 byte - with regard to the ...
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148 views

Laptop won't boot after installing new RAM (compatibility issue?)

I bought some new RAM for my Toshiba Satellite P500-14L laptop (max. memory 8GB according to Toshiba website). Previously I had 2x2GB Samsung M471B5673EH1-CF8 1066MHz DDR3 Now I bought 2x4GB ...
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31 views

How the data will be stored/saved in memory

Consider I have a USB flash memory with capacity of 8 GB. That is, it can store 8 billion bytes or 8 billion * 8 bits (approximately). How those huge amount of data can be stored in a small USB flash ...
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Loads of memory used, but cannot identify where (Ubuntu 14.04)

This is the output to free -m total used free shared buffers cached Mem: 3850 3369 481 2 20 179 -/+ buffers/cache: ...
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laptop motherboard processor upgrade

i have a Toshiba satellite pro LAPTOP with 80 GB hod 512 MB ram and 1.8 GHz celeron processor and manufactured in 2007. i was wondering is it possible to upgrade the processor along with the ...
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Fully-Buffered RAM on a SuperMicro board?

My home server has a SuperMicro X7SBi board. Currently, I have 4GB ECC RAM (4x 1GB) installed. According to the spec page on SuperMicro's site, the board takes unbuffered RAM. A friend has a large ...