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

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Crysis on Windows 8.1 triggers low-memory warning

A more specific case of "How do I make the Windows low memory warning less sensitive?". Please don't migrate this post to Arqade; I was directed to post this question here from Arqade. I just got a ...
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Is there any command like time, but for memory usage?

Is there any command like time, but that reports more statistics? It would be great if I could do something like: $ statistics some_command time: real 0m3.002s user 0m0.000s sys ...
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Running Operating System from memory

Assuming SSD's are extremely prone to faliure how economical would it be to load an OS into main memory and run it from there? I can think I can deal with a few obvious drawbacks (I've survived ...
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Adding more RAM at different speeds? Will it impact performance as much as to make it worse than without adding it?

I got a new laptop with 4GBs of ram, expandable to 8GBs. It has 1 4GB stick DDR3 PC3-12800 at 1600Mhz. I can't seem to find another one exactly the same locally, the closest I've found is 1 4GB stick ...
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Android - Emulator takes a long time to start up

I have successfully installed Android-SDK in my computer. Generally, I test application with my real android Device (HTC HERO) so it is fast to test an application on a real device. But when I try to ...
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Mac OS X: What is using my 'active' memory?

I'm using a recent MacBook Pro with 8 GB of RAM and after a few hours of using it at work I notice the amount of 'active' memory growing and growing. Whenever I reboot my Mac, everything looks fine ...
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Reduce “Metafile” memory usage?

My work computer (Windows 7 64-bit) spends a lot of time swapping memory when I switch between programs. This surprises me since I have 4 GB of RAM, and the programs I use aren't particularly RAM ...
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671 views

Firefox: Viewing a specific SVG file turns the system unresponsive

Important: Several SuperUser regulars are currently trying to narrow down the scope and cause of this issue. We are currently seeking willing volunteers to fill out the form here after performing ...
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Windows 7 x64 installation freezes on new PC build

Symptoms While attempting to install Windows 7 (64 bit) on my new PC build, it freezes usually at the point where it is expanding the windows image, but has frozen as early as accepting the licence ...
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What to put on RAMDisk on Windows?

I got a lot of RAM installed in my PC recently and I looked into this RAMDisk thing. There are two things I've found from my investigation: You should not mess with Windows native pagefile/memory ...
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Intel SRT vs Superfetch

I'm about to retire my old computer, and replace it with a new Sandy Bridge build. I pretty much settled for a Z68 motherboard, but I couldn't decide if I will get solid-state drive (for use with ...
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483 views

Identifying lost physical memory

I am having issues with a server running out of physical memory and I'm having troubles discerning whether it is from my application's Java process or something else on the server. Let's take the ...
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Does RAM timings with n-n-n-3n value perform better than anything else?

I want to ask something: Does RAM timings with n-n-n-3n (i.e. 8-8-8-24, 9-9-9-27, etc) perform better or is optimized more than the other who doesn't (i.e. 7-8-7-21, 9-9-9-24, etc)?
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What used the linux memory? Low cache, low buffer, not a VM

First of all, yes, I have read LinuxAteMyRAM, which doesn't explain my situation. # free -tm total used free shared buffers cached Mem: 48149 43948 ...
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Why is ram for the new macbooks so expensive?

I was pricing up a new Macbook unibody 17" and whilst following my general rule of giving a laptop as much ram as it can physically take, I fell off my chair when I saw the price. $1000 US for an ...
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How do I check speed of my RAM?

How can i know the RAM speed of my laptop? it's an Asus K40IN-VX128 How do I make sure if the frequency is 667MHz or 800MHz, I was thinking of an upgrade.
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is it important to pair RAM by manufacturer? [duplicate]

Possible Duplicate: Are there any benefits to using identical memory modules? I have a pair of mismatched RAM sticks in my laptop (slots 3 & 4 in the following image): I have a ...
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Why is my system so slow when I have so much RAM?

So I have a computer with 3.45 GB of RAM according to my OS (XP). I have 2 GB virtual RAM. My company pushes Excel to its limits of referencing other worksheets which eats up a lot of resources. ...
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What will happen if I remove the RAM while the computer is on?

What will happen if I remove the RAM while the computer is on?
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Do I need to have 3 RAM DIMMs to use DDR3, or even be able to run a 3 channel CPU?

The Core i7 CPUs from Intel (Bloomfield in the Nehalem line) are an example of a CPU that handle 3 channels of memory input, and on an appropriate motherboard, ideally making use of 3 DIMMs the best ...
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What happens when a computer runs out of RAM?

A little ago, out of curiosity, I wrote a Java program that takes up a lot of memory very fast. (It adds BufferedImages to an arraylist in a loop.) I kept the Windows System Monitor open to observe ...
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limits.conf to set memory limits

I would like to limit any process from using more than 500 MB of RAM. AFAIK this is done using RSS in /etc/security/limits.conf but the process called gnome-panel apparently is using 618436 kB of ...
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Why can't Windows 7 x64 use all installed memory?

I'm running Windows 7 x64 RTM on a Dell Latitude D520 w/ 4gb memory. The system control panel reports: System type: 64-bit Operating System Installed memory: 4.00 GB (3.24 usable) Why isn't ...
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How is a byte(s) loaded from a secondary-storage device in to RAM upon bootup, if RAM supposedly already contains bits in capacitors?

This has been on my mind today. If RAM's ICs contain bits stored in capacitors sitting there, how can you pull bits from somewhere and put them where something already is? For example, on bootup, ...
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MemTest is returning large numbers of errors in Test 7, no matter what ram I use

I have been having issues with this computer, and since MemTest said that there were errors on my RAM, I figured replacing it would fix them... However, after replacing the old stick of RAM, I am ...
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How to see the content of RAM memory? [closed]

Is there any way to see the content of the RAM memory? From the first byte until the last one. I'd like to see where the OS and all the processes running on it are located in the RAM. Is this ...
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683 views

Why is the 8GB RAM I purchased only showing as 6GB?

I bought 8GB RAM from ebay. It was supposed to be 4GB + 2 x 2GB sticks. However, when I put in the RAM it only shows me 6GB. I thought it was only 4GB + 2GB modules working, however CPU-Z shows that ...
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1answer
905 views

Can I replace a SODIMM SDRAM with SODIMM DRAM in my laptop

Can I replace a SODIMM SDRAM with SODIMM DRAM in my Acer aspire 5742g? I want to update my memory, but all this types are confusing me. I looked at my computers memory and it says it has a SODIMM ...
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1.35 V RAM in a 1.5 V system - Will it fry or overclock?

The general question is: When installing low voltage RAM in a board that outputs a higher voltage to the memory module, will this fry the RAM or will it be like overclocking it? My specific case is: ...
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Why aren't there PCIe RAM expansions?

Perhaps I may be overlooking some aspect that is an important cause as to why these don't exist, but I feel that having RAM expansions through PCIe would be perfectly feasible. I know that a lot of ...
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Upgrading from 2GB to 8GB RAM

I have a TOSHIBA Satellite Laptop which has 2GB RAM and an Intel Core 2 Duo CPU, T5750 2GHz. I am considering buying an additional 8GB RAM for the machine. I have little knowledge about hardware and ...
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How to analyze a memory dump on Windows after a blue screen error?

My computer running Windows 7 x64 crushes time to time. Could you please advise tool which could help with analyzing memory dump or point out possible reason and further troubleshooting steps? ...
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4 GB of RAM installed but only 2.97 GB usable. What gives? [duplicate]

Possible Duplicate: Where did the other .8 GB of RAM go? I just bought a used MacBook on eBay that came installed with 4 GB of RAM. The first thing I did was installing Windows 7 using ...
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How do I detect the RAM memory chip specification from within a Linux machine

I'd like to add more RAM to my Ubuntu installation ( running on a Dell Inspiron 640m ). Is there any inbuilt command or package to find out the current RAM chip specifications (manufacturer, type, ...
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Why SRAM is faster than DRAM?

In modern multi-core processors, the processor caches (L1,L2 and L3) are made up of SRAM with decreasing speeds(L2 caches are higher speed SRAM than L3 caches which is a cost trade-off). The main ...
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Triple vs. Dual Channel with 6 sticks of memory

Assuming a Core i7 with a x58 chipset (IOW, triple-channel is supported)... I'm trying to decide if I need to buy triple channel memory kits. The MB has 6 slots, and I will populate them all. So I've ...
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How can I restrict RAM usage for a particular user or process?

I'm using a background service that leaks memory from time to time. To prevent using the Alt+SysRq REISUB[1], I'd like to restrict the RAM usage for one process or a system user. I really would like ...
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What does the MHz of RAM really mean?

Countless of times I've heard and read that RAM-memory can have different speeds - denoted as MHz (e.g. 1066 MHz). However, what this frequency really is has never been explained to me and I'm having ...
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Do I need to worry about hard faults?

I recently upgraded my RAM from 4x1GB Corsair XMS2 to 4x2GB Kingston Hyper-x because I found that I was maxing out when running FDT, Firefox 5 and Photoshop together for any length of time. At the ...
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Mac OS X sysctl get total and free memory size

How to get on MAC OS X using sysctl used and free memory ? Searched for sysctl -a | grep vm or sysctl -a | grep mem but didn't found anything relevant.
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What kind of RAM do supercomputers use?

I was reading an article about one of the worlds fastest computers and this is one of the lines which interested me: To mimic this relatively minuscule amount of brainpower, researchers used the ...
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I have 4 GB RAM, but the system only reports 3 GB? [duplicate]

Possible Duplicate: Windows 7 64-bit is only using 3 GB out of 4 GB My HP HDX 16 laptop has 4GB of ram and runs a 64-bit system. I always go into Dxdiag for some reason and i always see it ...
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Very high memory and CPU usage by the OS X Dock

I have a very annoying problem with the Dock process - after more than a few hours of uptime, the memory usage will spike to more RAM than I have. The process will begin to thrash the hard drive at ...
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1answer
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What's the difference between unbuffered and fully buffered memory?

I'm not new to computers, but somehow I've missed the fact that there are different types of memory when it comes to being buffered or not. What's the difference between the two? The only thing I've ...
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Windows 7 doesn't use all the available memory

I've installed 12 GB of memory on my Windows 7 computer, and yes it is a 64 bit computer. I can see the memory in bios, as well as in the properties of the computer, but when looking in the properties ...
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What are the differences between MLC and SLC SSD drives?

SLC SSD drives cost a lot more than MLC SSD drives. Are there actual differences besides cost?
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Task manager: Windows XP RAM usage doesn't add up

When using the task manager in Windows XP Pro, the amount of RAM that is listed as being used by the individual processes is not adding up to the total memory used (as listed by the total commit on ...
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RAM only works in specific slot/order

I have a weird issue. I have two slots on my mobo but the RAM seems to work only in specific order. It will only work if RAM 1 is in slot 1 and RAM 2 is in slot 2, if I switch the position, it doesn't ...
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Is there a difference between removing the power cable from the computer or removing it from the wall outlet?

Reading about computer related crimes and how law enforcement policies are lagging adjusting to the digital age, I came across this document which is a manual of sorts, recommendations for the first ...
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Windows hangs on Rename, Delete and Move for specific MKV files

I have been googling this issue for a long time, and no full solutions seem to be out there. For certain mkv files, windows hangs when moving, copying, or deleting. These files play fine in a player ...