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

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CPU-Z says my PC3-10600 1333MHz RAM is actually PC3-10700 667MHz. Do I have 1333 or 667 MHz RAM?

CPU-Z says this: DDR3 4096 MBytes PC3-10700 (667 MHz) I am supposed to have PC3-10600 1333MHz. What am I not understanding? Or, is my RAM only half of what the label and seller claims it to be? ...
10
votes
2answers
5k views

What are these different kinds of memory usage in Windows 7 task manager?

In Windows 7's task manager, I can select different columns to show. There are a bunch that are related to memory and memory usage, but I'm not sure what it all means. I have a Dutch installation of ...
9
votes
6answers
27k views

OSX Mavericks using way too much RAM

I recently upgraded my mid-2011 15” MacBook Pro to Mac OS X 10.9 Mavericks. Since then, my computer’s RAM usage spikes to the point of making my computer unusable. Specifically, anywhere between a ...
6
votes
3answers
5k views

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 ...
4
votes
3answers
3k views

“Faster” RAM at lower clock speeds?

I've been kind of interested in the mechanics (er, electronics) of computer systems lately and after a bunch of research and looking at my computer's properties, I've come across something strange. ...
3
votes
2answers
678 views

Which memory is accessed by the initialization code on a PC?

CMOS, DRAM, ROM and EPROM are all types of memory found in PC systems. Explain which of these is used to contain the initialisation code and which are accessed by this code. The first answer ...
2
votes
1answer
114 views

How do I find out if I have SATA 2 or SATA 3?

I need to upgrade a Dell Inspiron 5520 mid 12 laptop with a Samsung 850 pro SSD. How do I check whether my laptop with a 3rd gen i7 processor has SATA 2 or SATA 3?
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votes
3answers
11k views

Making Windows XP run on 256MB of RAM

I have a Windows XP system which has only 256 MB of ram, and unfortunately upgrading the RAM is not an option (it needs DDR, a DDR2 chip didn't fit and I'm not in town long enough to order one ...
13
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2answers
8k views

Commit charge is 100% full but physical memory is just 60% when using no page file

I have disabled the page file in my system (hard disk is too slow, cannot buy a new one right away, cannot move page file to another partition). When I see into Resource Monitor, using memory ...
9
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4answers
3k views

In Windows 7, is there a way to know how much memory a service is using?

In windows 7, is there a way (by using common interface or a custom utility) to know how much memory a specific windows service is using ? It seems most services are hosted by svchost.exe processes ...
9
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5answers
63k views

Windows 7 x64 - How can I test my memory?

People tell me that my computer may have some bad RAM. Is there a way to test it without special equipment?
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2answers
2k views

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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votes
1answer
8k views

Installed Memory (RAM): 8GB (4GB Useable)

I have 4X 2GB RAM sticks installed, Windows 7 Ultimate x64 shows "Installed Memory (RAM): 8GB (4GB Useable)" in the system information. The motherboard says it supports up to 16GB of memory. I had ...
4
votes
3answers
4k views

How can I dump the memory of a process in Windows 7?

Are there any tools to dump the running application from memory in Windows 7?
4
votes
5answers
17k views

Does more RAM on Mac really improve performance?

I'm coming from a PC, loaded with a Core 2 Quad CPU and 8GB of DDR2 RAM. I was running Premiere CS3. I'm new to Mac so I'm not sure if this will help performance: Will increasing my 21.5" Core 2 Duo ...
3
votes
2answers
6k views

Windows 8 64bit say low memory while 4+Gb free

I have windows 8.1 64 bit, 8Gb ram. My Task Manager shows 49% used ram, but I still get messages like "Windows is low memory, we recomend to close application". It always says that about the ...
3
votes
3answers
287 views

What's the relationship between CPU, RAM and performance?

I have an HP EliteBook Folio 9470m with an Intel Core i5 processor at 1.9GHz and 4GB RAM. Is it useful to buy an additional 4GB RAM memory with this CPU? Or would the extra RAM be wasted from a ...
3
votes
2answers
5k views

ECC registered vs ECC unbuffered

I would like to build a storage server (based on GNU/Linux or FreeBSD) which will be on all the time. To prevent data corruption (which is unlikely to happen as I never had such a problem, but better ...
2
votes
1answer
3k views

Windows 8 Task Manager RAM Usage Accuracy

The new Task Manager has a great UI in windows 8, however, there are some discrepancies in the data I can not account for: Machine: 8 GB of total ram. (This is a physical machine, not a virtual) The ...
2
votes
3answers
1k views

4gb single channel vs 3gb dual channel

So, I am looking into a new laptop, and I have 2 choices on RAM. There is a 3GB Dual Channel DDR3 1333 in one system, and there is a 4GB Single Channel DDR3 in another. So my question is, is it ...
2
votes
4answers
271 views

What could cause a computer to slow down over time?

I have an application/game that ran smoothly a few months ago but lately I've realized it runs more sluggish than usual (the frames per second get quite low). I thought maybe something I installed is ...
2
votes
1answer
854 views

Making full use of memory on graphic cards

Onboard graphics cards often reserve some of the system main memory for their own use. For a computer with a separate graphics card which has its own memory, is this possible that some of it be ...
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5answers
2k views

Linux for 128 MB of memory

I need a Linux distribution which has got drivers for pendrives and could play the music. What version could you recommend for me?
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4answers
19k views

How do I give a program high priority for memory and processor speed?

I use NaturallySpeaking a lot, and it's a great program, but it's very processor and memory intensive. As long as it's being used, it works fine, but if I tab away to another program for five minutes ...
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vote
2answers
8k views

Can I install 1333 MHz memory onto a laptop supporting up to 1066 MHz memory?

I have a question regarding my laptop's RAM. I have 2 slots. One is empty; the other one has a Samsung SODIMM 204-pin 2GB DDR3 1333MHz SDRAM CL9, non-ECC, unbuffered module, running at 1066 (!) MHz, ...
0
votes
1answer
834 views

How to allocate more processor power to my (Ubuntu-based) Virtualbox system in Windows 7?

I have installed an 32-bit Ubuntu based Linux OS, Elementary, on a VirtualBox installed in Windows 7 (32 bit) , on a 64-bit laptop which has a 2-core Intel i3-2330 CPU @2.20Ghz, and 4GB RAM (2.45 ...
0
votes
1answer
461 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 ...
0
votes
2answers
21k views

Windows 7 having high physical memory usage, how to reduce it?

This is a pro active question, right now I am not facing any problem, thou it may create a problem anytime which I just can't afford. I am using VMware® Workstation - version - 8.0.1 build-528992 I ...
11
votes
5answers
15k views

Windows XP + PAE + 6GB RAM: See more than 3.5GB?

Firstly let me say I've seen a number of similar questions on SuperUser, and I don't think this is a duplicate. (Most address 4GB RAM installed. I have 6GB) I have Windows XP 32-bit running on a ...
10
votes
5answers
1k views

64 Bit OS and RAM

How much RAM can a 64-bit Windows 8 Ultimate Operating System use? I have read on the Microsoft website that you can place up to 512 gigabytes (GB), but to my understanding, I thought 64-bit implies ...
8
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3answers
5k views

Only 3.2GB of 4GB RAM detected on 64-bit Debian

I'm running Debian Squeeze (x64): # uname -srvmo Linux 2.6.32-5-amd64 #1 SMP Mon Jan 16 16:22:28 UTC 2012 x86_64 GNU/Linux I have 2 compatible 2 GB sticks of DDR2 in my G31M-S motherboard. It ...
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votes
4answers
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why is some of my swap space being used, when I still have unused RAM?

More of a curiosity than a problem; and, I admit, something of an embarassingly basic question: I've noticed that on many occasions, on my Linux machine I will have ~500MB of swap space in use, even ...
7
votes
2answers
2k views

How does hibernation work?

I'm wondering how hibernation works. Obviously it writes the contents of RAM to disk, but is there anything else? does it save/restore CPU state? cache state? anything else?
7
votes
3answers
16k views

Can a 800Mhz memory stick be used in a 400Mhz slot?

I have a 3 years old ThinkCentre (A52, type 8381). It has 1GB of RAM in 4 256MB sticks. According to the model spec, it supports 400Mhz DDR2 memory. I would like to increase the amount of RAM I have, ...
6
votes
4answers
404 views

Are there any benefits to using identical memory modules?

Are there any benefits from running eg. two identical 1G rams over two different, but same-clocked? The motherboard doesn’t support dual-channel operation.
5
votes
1answer
5k views

What happen if we reduce the size of hiberfil.sys

I today discovered that we can set the size of the hiberfil.sys using powercfg -H -size 100% command line tool. Ignoring the hard space you will get, what else will change if we set it to powercfg -H ...
5
votes
1answer
2k views

How much of a performance hit using asymmetrical dual channel RAM?

As a follow-up to my question Can a P55 chipset support 6GB as 2GBx3?; I understand there might be a performance hit using an odd-number of sticks. My question therefore is - How much of a ...
4
votes
1answer
5k views

Hardware error messages from syslogd

I have a 64-core AMD server running CEntOS on which I was running a long job. In the midst of the output, I see these lines. It appears to be a memory error. How severe is this and what exactly does ...
4
votes
5answers
2k views

Can I upgrade my laptop CPU

I have Lenovo Ideapad Y510 with dual core 1.6 Ghz processor, 1GB ram, 160GB HDD. I want to upgrade my current cpu with any latest one like i3, i5 or i7 to get more speed but don't know if it is ...
4
votes
1answer
607 views

Matched DRAM — Why? Is it important?

Crucial's website tells me: Although the memory can be installed one module at a time, the best performance comes from using matched pairs of modules. What exactly does that imply (what exactly ...
4
votes
3answers
848 views

Are there any advantages to running a 64 bit OS on 4GB of RAM? [duplicate]

My laptop has 4 gigs of DDR2 RAM and I am currently using a 32bit windows 7 OS. Will I notice any performance difference if I upgrade to 64bit or does all the benefits of X64 start at 5GB of RAM?
4
votes
3answers
3k views

Is 1GB + 1GB RAM better than 2GB +0.5GB?

My laptop has two slots for RAM, and currently has two 512 MB chips, for 1 GB. Windows XP is running terribly slow on it, so I want to upgrade the RAM. I could buy two 1 GB chips to replace both of ...
4
votes
6answers
10k views

I want to install more than the supported amount of RAM on my PC. Is it likely to work? [closed]

I have a Shuttle SG32G2 PC that I'm using as a small home server. It has two 240-pin DDR2 RAM slots, and officially supports 2GB per slot, for a maximum of 4GB of RAM, which I already have installed. ...
4
votes
3answers
9k views

Can RAM with a higher speed work?

I have the memory below and I am looking at using the one below it, would it be OK to use? It appears to be a faster speed, is that OK? Also, mine says PC 4200, the new one says PC 2 5300 and the ...
4
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4answers
401 views

In winxp, I have 4GB of RAM, am using 1.77GB, but programs keep paging out to memory. Why?

All in the title. What's the point of more RAM if my programs will page out instead of using it? To be more specific, here's an example: I open 12 tabs in a browser. I look at one of them while using ...
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votes
5answers
1k views

3GB of RAM showing up as 2GB

Last year I built a Core i7 920 system based on the ASUS P6T Deluxe motherboard. I have 3x1GB of DDR3 (triple-channel configuration), but only 2GB is being reported by: Windows XP, CPU-Z, the BIOS. Is ...
3
votes
1answer
29k views

Can I use 1333 MHz and 1600 MHz RAM together?

I currently have 2x1GG 1333MHz DDR3 strips. I plan to purchase a further 2x4GG 1600Mhz strips. Will I be able to use both sets of RAM in my PC together? Will they both be limited to 1333Mhz? Old ...
3
votes
2answers
2k views

How does copying files work with regards to RAM, and can I speed this up?

I have always wondered why my computer would copy files to an external drive at first at high speed, and then 'hang' for a while before continuing. When I upgrade RAM from 1GB to 2GB I noticed this ...
3
votes
0answers
692 views

Is it possible to use GPU memory as more main memory?

I have a ATI Graphics Card with 1G of RAM. GPU-Z says that 143MB (dedicated) and 75MB (dynamic) is being used on the card (GPU). Is it possible to get your PC to use GPU as more RAM (main memory) for ...
3
votes
1answer
2k views

Memory is being appropriated

I am having an issue with my motherboard "appropriating" memory. I have 2x2GB installed (exactly the same chips, brand new). The bios shows 4096 total with 1152 appropriated leaving 2944. When I only ...