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

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Any dangers in using DDR memory with a higher frequency than the FSB?

I'm looking to upgrade memory in an older motherboard. The processor is an AMD Sempron 2500+ with a maximum speed of 333/166MHz. The motherboard is an MSI MS-7061 (KV3M-V), which accepts up to 2Gb ...
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If the size of the (accessible) RAM is limited, why isn't the hard disk?

When the number of possible RAM adresses is limited by the computer architecture (32/64 bit), why isn't the size of the hard disk limited? Or is it limited? If yes, what would be the highest possible ...
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Why does installing NVidia 9600GT graphics card, take 1GB of RAM away from Windows?

I've changed graphics cards in my PC and now Windows 7 (32bit) is reporting that I have a whole gigabyte less physical RAM in my PC. Why is this? Firstly, the machine has 4GB of physical RAM. The old ...
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How can I limit the number of child processes that MySQL spawns?

Is there a way to limit the number of children than mysqld spawns? Or should one not worry about that? My VPS only has 512MB of RAM. Here's the output of htop, after I set max_connections to 6 and ...
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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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4GB of RAM in MacOSX 10.5, only 3GB in MacOSX 10.6

I was using MacOSX 10.5 on my MacBook until today and I had 4GB of memory there. Now I have updated to MacOSX 10.6 and it only displays 3GB. Why is that? How can I fix it? Also, I am a bit ...
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whats the difference between ganged and unganged memory on AMD Phenom?

I recently upgraded a machine from an AMD X2 CPU to an AMD Phenom X4 and notice options for toggling ganged vs unganged for the DDR2 memory on that machine. Can someone explain what the difference ...
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436 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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Windows BSOD - memory problems

A Windows Vista PC would regularly produce blue screens of death. A memory test proved that the memory was the cause. The PC had a motherboard several years old, and memory to fit that mother ...
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How do you use 4GB of RAM? [closed]

I have a Quad Core Intel PC with 4GB of RAM - I've been using it over a year to run web server stress tests (ab.exe -n 5000 -c 500), encode HD video, play games, open dozens of tabs in multiple ...
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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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Would a Macbook Air (2010) be able to use a 8GB RAM module once one exists? [closed]

I'm considering buying a new Macbook Air (2010) but it seems to only have a single RAM slot (for a PC3-8500 DDR3 SODIMM). As I require 8GB for my current MBP not to slow to a crawl with some of my ...
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Windows 8 out of memory?

I thought that Windows 8 was supposed to be better with memory than Windows 7. So far, that is not my experience. When I boot up my brand new laptop (Samsung NP550P5C-S03CA Intel Core i5 3210M 8GB ...
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What happens when linux OS out of RAM and no swap

What happens when linux OS is out of RAM and no swap is available?
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How many memory addresses can we get with a 32-bit processor and 1gb ram?

How many memory addresses can we get with a 32-bit processor and 1gb ram and how many with a 64-bit processor? I think that it's something like this: 1GB of ram divided by 32bits or divided by 4? to ...
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2answers
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Does the 4 GB RAM limit on 32-bit systems also affect the swap space?

It is well known that 32-bit systems can only handle 4 GB as maximum amount of RAM. Under Linux, does this limit also apply to swap partitions? If my RAM + swap exceeds 4 GB, will it be fully used? ...
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Why can't memory clock speeds be as fast as the CPU speed?

I was reading that in old i386 based systems, the ram bus used to be the same speed as the CPU but when CPU frequencies increased, it became too hard to make RAM the same speed. Why can't we have 2GHz ...
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What is more important for speed: Processor Speed or RAM? [closed]

I am about to buy a desktop, I narrowed it down to two choices, both are virtually identical (even in terms of price) but one has 4 GB of RAM and a 3.7 GHZ CPU the other has 8GB of RAM and a 2.7 GHZ ...
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3answers
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How do I know which way my RAM chips should be facing when I click them in?

I have a asus p5b mx motherboard and just bought two 2GB pc2-5300u-555 chips. I don't remember which way the one's I took out were facing and it seems I can click these in either way. Does it matter ...
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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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Why 32bits OSs can't address more than 3.2/3.2 gb of memory?

Don't know if this is the right place to ask this question. I've been reading that 32bit OSs (like the Ubuntu i'm running right now) can't adress more than 3.2gb or 3.3gb of RAM memory. I remember ...
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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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My computer is using 6GB out of 8GB of RAM without proof

I have Windows 7 Home Premium with a AMD X4 965 Quad Core and 8GB of Crucial RAM. I have no idea why my computer says it is using 6GB of RAM when it doesn't show any reason. Below are the screen shots ...
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Is Mac OS X Leopard (10.5.x) 32 bit or 64 bit?

Is Mac OS X Leopard (10.5.x) 32 bit or 64 bit? Can I address more than 4GB of RAM?
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Can a dual processor machine with a 32 bit os address a maximum of 4Gb or 8Gb of memory?

Am I right in thinking that each processor can independently address 4GB, so the answer is 8Gb? Does the same hold true for a dual-core?
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Buying more RAM [duplicate]

I have 2 memory sticks, each 1GB, DDR2 operating at 667 mhz. I'm looking to buy 2 GB more, and have two questions: Should I buy 2 pairs of 1 GB, or 1 stick of 2 GB? Does it make a difference ...
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How to fix task manager memory column if it shows lies

I have a problem in showing memory in task manager with memory and paging columns. Why it shows so small size usage? And maybe anyone knows how to fix it? Here is a screenshot(working set, memory, ...
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Is DIMM to USB convertor available?

I have a 512MiB DDR2 SODIMM SDRAM lying about, after upgrading my brother's notebook's to 2GiB. Seeing that it is not being used, and it hardly has any value on the market, I'd love it if I can use it ...
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Compaq RAM that does not fit into Dell laptops

So I pulled out this weirdo SODIMM RAM stick from a Compaq laptop, and much to my suprise it's slit is at a little different point, and so it does not fit into our other Dell laptops. Is it a ...
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Do errors in Memtest86+ definitively mean something is wrong with my RAM?

I recently built a new computer for somebody. Everything seemed fine at first, but when I went to install the OS (tried both Windows XP and Windows 7), both installers would fail. XP failed with a ...
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How information is stored?

In the old times 8 bit information and 8 bit computers got along well There was an ASCII of 8 bits so a single byte is a single char and a single and whole position in memory/disk then came 16 bit, ...
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Is it possible to disable half the RAM on an Nvidia video card

I have a 1gig video card in a 32-bit system. I'd like to try running it with 512megs of RAM so my system can reclaim that 512meg. I doubt I need the full gigabyte of RAM on the video card. Is this ...
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Should RAM in a core 2 duo system be upgraded in pairs?

I know when computers have two physical processors, you are supposed to upgrade the RAM in pairs. Is this the case with 2 cored processors as well such as the intel core 2 duo?
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Will my computer benefit from upgrading the RAM?

Well my laptop is pretty old, and was wondering if upgrading the RAM would yield a noticeable speed improvement, or if it would be limited due to other factors such as the processor or something. I ...
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Can I use the unused 1G of 4G on a 32bit machine as a ramdisk?

I have a machine with 4G of RAM, but running 32bit windows 7, so can only see 3G. I have read somwhere recently that that unused 1G can be used as a RamDisk. Is this true? What sort of program allows ...
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gvfsd takes up too much memory

On my Ubuntu 8.10, gvfsd takes up 128.6MB memory. What is the process doing actually? Can I reduce the memory it takes?
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Can I use non-ECC memory in a machine that already has some DDR2 ECC memory?

I have a developer workstation that has registered DDR2 ECC DIMMs already installed. I'm planning on getting some more RAM. Can I add memory modules that aren't ECC and/or registered? I mean, does the ...
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Is there a way to compact OS X's swapfiles?

Is there a simple way to compact the /var/vm/swapfile0 etc, short of rebooting? They can get quite large if things start swap'ing, and my laptop doesn't have much free disc space..
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Disable Mac's dynamic_pager?

I read this blog post about the memory management in Mac OS X: http://workstuff.tumblr.com/post/20464780085/something-is-deeply-broken-in-os-x-memory-management I would like your opinion on the ...
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Checking detailed memory information on Linux

I know that I can check CPU info via cat /proc/cpuinfo and memory info via cat /proc/meminfo. But cat /proc/meminfo yields results like the following: MemTotal: 66098352 kB MemFree: ...
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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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On warm (re)start, computer powers off instantly. After unplugged, it starts and runs ok

My computer fails to start from any power-state other than power-off: ASUS UEFI MB (F1A75-V Pro) with AMD Llano APU 12G RAM (passes memtest) 3x HDD Thermaltake semi-passive PSU Cold start works ...
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How many times can data be read from a USB flash drive?

While I am aware that performing writes on a USB flash drive degrades the life expectancy of the device. I have heard the quantity of writes is anywhere from 100 thousand to 10 million, but I have ...
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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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Does DDR3 ram need to be installed in pairs? [duplicate]

Possible Duplicate: Matched DRAM — Why? Is it important? I'm building a machine with the following motherboard and processor. MSI 890FXA-GD65 Socket AM3/ AMD 890FX/ DDR3/ ...
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How to setup Windows 7 to effectively use 24GB RAM

I need to know the best strategy to let Windows 7 use 24GB RAM in the most effective way, so it does as few reads from disk drive as possible. I once read there is some setting in Windows but I can't ...
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What does “9-9-9-24-2N” memory timing mean?

I am planning to buy this memory. I don't understand what 9-9-9-24-2N means vs a timing like 9-9-9-20? Does it matter in performance? A related question: what's the difference between buying the ...
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Custom built PC slowly freezes up [closed]

So this is probably one of the weirdest PC issues I have ever experienced. I built my PC in the winter of 2011, so about 1.5 years ago. Here are the stats: ASUS P8P67 (REV 3.1) LGA 1155 Intel P67 ...