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

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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 ...
12
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2answers
6k 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 ...
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1answer
5k views

RamMap “Empty standby list” drastically speeds up PC. Is there a better way to do this?

Many people are educated on how Windows Memory manager caching work by reading Microsoft white papers, etc. However, there are relatively few documents that describe real-world performance issues ...
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3answers
3k views

How to findout which firefox tab is using most CPU or memory?

There are times when the firefox responds reluctantly. And it is not only when i have opened many tabs. But there are cases when i have opened as many as 20 tabs and firefox is working fine and there ...
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5answers
53k 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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2answers
15k views

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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4answers
1k views

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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5answers
16k 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 ...
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2answers
4k 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 ...
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1answer
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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 ...
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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 ...
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4answers
254 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
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1answer
802 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
17k 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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1answer
218 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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2answers
18k 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 ...
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2answers
15k views

Relationship between RAM & processor speed

RAM is just used for temporary storage. But since this storage is in the cpu memory (RAM) it is fast. Programs can easily read/write values into it. I've noticed more the RAM less time it takes for ...
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5answers
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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 ...
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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 ...
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3answers
4k 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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2answers
14k views

Is a DDR3 MB compatible with DDR2 RAM?

If a motherboard's specifications say it supports DDR3 SDRAM sticks, would I be correct to assume it is also compatible with DDR2 RAM? Am I wrong, or does it depend on the motherboard?
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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 ...
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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?
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3answers
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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, ...
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4answers
382 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.
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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 ...
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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
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1answer
560 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
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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 ...
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2answers
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Can I use laptop RAM in a desktop?

The specifications of my system say it supports 400 MHz and 533 MHz DDR2 unbuffered SDRAM. I have a 1 GB DDR2 PC2-5300 laptop RAM module. Can I use this in my desktop? If not, what exactly is the ...
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6answers
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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
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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
388 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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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 ...
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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 ...
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0answers
665 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
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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 ...
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3answers
4k views

Does ReadyBoost slow down systems with more RAM?

I have 4 GB of RAM and would like to make use of ReadyBoost to speed up hard drive access, by taking advantage of its hard drive cache method. However, as I understand the technology, ReadyBoost ...
3
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2answers
5k views

How to free memory in Mac OS X?

I have Macbook Pro running Mac OS X Leopard (10.5) with 4GB RAM. I use some applications (Parallels for Windows (1GB RAM), Firefox, mail, freemind, iTunes, Finder, Terminal and that's it), and I can ...
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4answers
814 views

Is it alright to use 2 different DDR2 RAM modules? [duplicate]

I have an old desktop PC which has a P4M900T-M2 motherboard. It currently has one Apacer DDR2-667 memory module but the motherboard can support two DDR2 memory modules. I'm planning to upgrade it to ...
2
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3answers
732 views

Memory expansion risers for desktops?

Pretty simple question. Is there any hardware for desktop PCs that allows you to add more DIMMs to the bus? I have seen this hardware for more expensive servers, but wondered if there was a similar ...
2
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3answers
12k views

Excel ran out of resources while attempting to calculate one or more formulas

I received the error message "Excel ran out of resources while attempting to calculate one or more formulas" on ONE of my computers (Out of 2). My worksheet contains: (Inside a single worksheet, not ...
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5answers
860 views

Why can't my computer speed up again after closing large applications?

My computer is running Windows XP and only has 1GB of RAM. After launching some massive applications (like Eclipse and SQL Developer) the computer slows down considerably. The obvious symptom of this ...
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5answers
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Screen flicker since new RAM installation

My work PC was upgraded by the tech guys (RAM only) and ever since my screen has been flickering but they do not know why this has happened and have yet to fix it. Does anyone have any ideas as to the ...
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5answers
5k views

How to know which RAM I can/should buy for my PC?

I have a relatively old PC (5 years or more) which has only 1GB of RAM. I'm running on Windows 7 and unfortunately it doesn't like being so senile... I have a Gigabyte mother board but I have no ...
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2answers
1k views

How does the number of sticks of RAM influence speed, for the same total amount of RAM? [duplicate]

Which will run faster: four 1GB sticks of DDR2 RAM, or two 2GB sticks? Will they run at the same speed? I'm just curious since they are sold in both sizes, and I have four slots, but only two sticks ...
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2answers
3k views

Installed 4GB memory but Windows XP 32 bit only reporting 2GB? [duplicate]

Possible Duplicate: 4 GB of Ram installed but only 2.97GB usable. What gives? I've just taken an existing XP Pro 32 bit system that had only 0.5GB of memory installed and maxed it out to ...
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2answers
2k views

Mixing DDR2 module sizes

I have an Asus M2N-E motherboard, currently with (qty 1) DDR2 module Kingston KVR533D2E4/1G. The board has 4 total slots. Going to upgrade and I'm wondering if I can mix sizes -- can I add a 2G ...