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

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220 views

Is samsung 850 Pro 256 GB compatible with Dell Inspiron 15 - 7000?

I have a Dell Inspiron 15 - 7000 and I ordered Samsung 850 Pro 256GB SSD MZ-7KE256BW without checking if its compatible or not. Someone just told me that I might have compatibility issues. Dell says ...
1
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0answers
25 views

Is there a way to “undercommit” memory in Linux (VPS burst memory woes)?

I've been noticing occasional drastic performance hiccups in my application hosted on a VPS. My VPS plan has 1GB guaranteed RAM and 1GB "burst" RAM. Occasionally the app will become extremely ...
0
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2answers
274 views

Why is cache memory so expensive?

In conversations about computer architecture, it is a given that cache memory is much more expensive than main memory. I understand it must be close to the processor, and thus must be smaller, but ...
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0answers
28 views

ram errors solved by swapping slots used by ram

I had 4 sticks of ram (2.5GB) working for ~3 days until on reboot POST showed ram error.By elimination I removed the (seemingly?) 0.5GB bad ram.Then after ~10 days I added 0.25GB of ram causing the ...
0
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1answer
42 views

What is CPU Cache used for?

I know that Cache is working memory that is faster than RAM, but in my system there is only 3MB of it, and most programs will require more working memory than 3MB. So that makes me question what ...
0
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1answer
103 views

Can I use 2400MHz RAM with an Intel Xeon E3-1230V3 processor?

The datasheet for the Intel Xeon E3-1230V3 says it supports a maximum of 32GB DDR3-1333/1600. But isn't the RAM speed dependent on whether the motherboard supports it? I'm thinking of getting this ...
0
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1answer
31 views

Concerned about using a public key in a class to decrypt resources

I've created a program which stores decryption key in a file, but when I run it, the key is decrypted and stored in a public class where the program can use it in all instances, but I'm concerned ...
0
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0answers
19 views

How to use RAM for OS Storage?

I recently heard from my friend that you can modify the RAM so that it can be used to boot the OS and it would work even faster than SSDs. I don't expect to run Windows on it but maybe some Linux ...
0
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1answer
894 views

Asus X200MA Notebook RAM upgrade

I want to upgrade current 2GB RAM of my X200MA to 4 GB. However, to retain 2-year warranty (I have just bought it within last 3 months), I have to do it through warranty department. I called them and ...
0
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1answer
87 views

tumblr pages with lots of images in a single page crashes chrome

When I load a tumblr page with lots of images on a single page, scrolling down image after image, after some hundreds of images my ram (4gb) is quite full and google chrome crashes. Is there is a ...
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3answers
2k views

What does fCK (RAM memory speed) stand for?

Looking at the specification of a RAM memory module from Kingston, it says: 800MHz fCK for 1600Mb/sec/pin What does "fCK" stand for?
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2answers
57 views

fastest RAM configuration [closed]

I am planning to buy a workstation for doing heavy image processing parallel computation (for 3-dimensional electron microscopy) under linux. It will have 64 cores (4 AMD opterons of 16 cores each). ...
0
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0answers
35 views

Ideal Setup for vSphere Hypervisor

I just picked up a Dell R720 for my company, it's got plenty of resources where I feel I can run multiple VM's at the same time. Here are the specs. Intel Xeon E5-2620 (2) 8GB DIMM (8) 146GB SAS ...
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0answers
90 views

How to keep Linux kernel responsive while having high memory usage?

Sometimes I have a lot of programs running and despite of 16GB 8GB of memory my ubuntu linux 14.04 LTS turns out to be not responsive at all. I won't be able to get a TTY to kill some processes to ...
0
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0answers
59 views

Load CentOS in RAM memory

I know there are many distros out there that boot linux into RAM memory, one such is Puppy Linux. However, I have CentOS 6 and I don't want to download puppy Linux or any other distros. My goal is to ...
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2answers
67 views

Check if RAM port is dead

I have a Samsung Series 7 laptop with Ubuntu 14.04 on it. It comes with two RAM slots of 4GB, one easily accessible and one not (behind the mother board). I opened my laptop to change my HD for a ...
2
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1answer
289 views

Memory issues with VirtualBox and Windows 7

I'm having a ton of memory issues with VirtualBox (4.3.14) running Windows 7. These include: On startup, I get the following error: "Windows created a temporary paging file on your computer because ...
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1answer
116 views

Will using 2x2GB ram use more power than 1x4GB ram?

I've recently upgraded my ASUS K45VD laptop from 2GB memory to 4GB memory by adding a 2GB stick. Then I got problems 2 times. The first time, asus's service said that the mainboard is down and they ...
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0answers
34 views

Upgrading ram causes deadly fault?

First of all sorry about my English, I'm not native. Here's my thing: I got 1 Asus laptop about 1 year ago. It has 2gb of ram and therefore it's kind of slow. So 2 months ago I decided to upgrade my ...
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1answer
18 views

Memory used greatly exceeds memory being used by running programs

My running processes: Any idea what might be using up the other bit of RAM? Clearly you can see by adding up the memory used by the processes it exceeds the apparent 5124MB being used.
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2answers
63 views

Why is my computer slower now than it was when I bought it after a clean installation? [closed]

I've just reformatted my home PC. It's an i7-920, 16GB RAM machine (so it was pretty good back in the day). I've installed a clean installation of Windows 7 and I'm wondering why the PC is much ...
64
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11answers
16k views

Does every OS need RAM?

Is there an OS which can be used without RAM, specifically the kind I can create a bootable pendrive from and use it in the computer? This gets awkward, since booting is essentially loading OS in ...
0
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0answers
15 views

My System speed seems slower than the components would predict

I run an Intel 4770k CPU overclocked to 4.6 GHz, 32 GB G-Skills DDR RAM, primary boot drive Samsung 840 SSD, 10 TB auxiliary drives, 3 GB Radeon video, 1000 W PSU, Zalman GS 1200 case with Windows 8 ...
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0answers
36 views

What is the relationship between /3GB boot flag, PAE kernel, LargeAddressAware PE flag and 36Bit Memory addressing in Windows 32bit?

After I read that Windows 2003 Enterprise 32bit support more than 4GB, I realize that the rest editions are being crippled even when using PAE kernel (ntkrnlpa.exe / ntkrpamp.exe). So could someone ...
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0answers
45 views

BIOS mem test hangs up with new DIMM installed

I've got MSI H55M-E33 motherboard with 2x2GB DIMM DDR3 Kingston KVR1333D3N9/2G modules which work fine for years in 1333 Dual channel mode. In accordance with the user manual, the motherboard supports ...
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0answers
113 views

memory usage at 100%, more than 10gb

I currently have some problems with my PC (Win7 x64). Every so often, my PC totaly freezes for some seconds / minutes and then sloly comes back to life. I've noticed the RAM usage could be the ...
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0answers
23 views

How to capture a memory dump of a frozen machine?

My Ubuntu PC froze, and I have important unsaved work open. Is there any way to capture RAM contents? Maybe by using another machine, or by cutting power and instantly restarting but not letting the ...
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0answers
28 views

Increasing Java Heap Space causes IE 8 to freeze

I am running a large applet that performs better if the Java heap space is increased to 300m. I adjusted the heap space in the java control panel utility as I usually do and restart IE 8. This ...
1
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1answer
69 views

Different RAM voltage

on my PC I have 2 kingston RAMs. The only difference is that one runs at 1,35V, the other at 1,5. As you can see frequency, latency and others doesn't change. My motherboard is an Asus ...
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0answers
26 views

2400 MHz RAM running at 1200MHz? [duplicate]

I recently built my own gaming/ daily use rig check it out here: http://pcpartpicker.com/user/arvan08/saved/YjNxFT You can see that the Kingston 2400 MHz is fully compatible with the ASUS Z97-K ...
0
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2answers
149 views

Windows Server 2008 r2 - too much RAM when idle

My hosting company has recently upgraded my VPS to 6 CPU units and 4GB of RAM. It't running Windows Server 2008 r2 x64. After the upgrade I can notice that 50%-75% (2GB-3GB) of RAM is being used ...
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20 views

Low Memory Performance

I am currently benchmarking some of my code to see where the bottleneck is. My memory is DDR3 1066MHz DualChannel Mode This should result in 17GB/s peak memory performance. With my code I am ...
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1answer
135 views

Is it possible to install 8GB sticks in a P7P55D Deluxe motherboard?

I've bought a stick of 8GB of RAM and I'm trying to install it on my P7P55D Deluxe, but until now, I've got no success. The manual of the board shows some models of compatible RAM sticks and most of ...
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2answers
63 views

Asus motherboard / FreeBSD memory issue

We have a FreeNAS server, Asus P7P55D-E LX motherboard, 6GB of RAM. We want to upgrade it to 16GB. We installed 2 x 8GB RAM from Amazon: Crucial Ballistix Sport 16GB Kit (8GBx2) DDR3 1600 MT/s ...
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1answer
102 views

Is this ram compatible with my motherboard?

Corsair Vengeance Pro DDR3 2400MHz 16GB 2x8GB CL11 XMP 1,65V ASUS Sabertooth Z77 socket ATX,Z77, DDR3 I am currently using: Corsair Vengeance DDR3 1600MHz 8GB CL8 Kit w/2x 4GB XMS3 ...
0
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2answers
57 views

Choosing between RAM frequency and timings [duplicate]

I have 2 sets of SAMSUNG 2GB DDR3 RAM 1: 2 x 2GB 2Rx8 PC3-8500S-07-10-F2 2: 2 x 2GB 2Rx8 PC3-10600S-09-10-F2 There 2 main differences: (8500S vs 10600S) and (07 vs 09) Which set is better to ...
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2answers
140 views

RAM Part Numbers - Meaning?

I hope this is the appropriate stackexchange to post this question. EDIT: I'm attempting to replace faulty ram and am trying to understand the meanings of the label to make correct decision. I have ...
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0answers
42 views

why is my sort slower with more ram?

System specs below. I recently purchased 2X4 RAM: Corsair XMS3 8 GB (2 x 4GB) 1333 MHz PC3-10666 240-Pin DDR3 Memory Kit CMX8GX3M2A1333C9 I already had 2X2 in there for a total of 12GB: Corsair ...
0
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1answer
48 views

More than 3.4 GB in windows 7? [duplicate]

I have windows 7 in 32 bit mode and apparently it doesn't know how to use more than 3.4 GB of RAM, but I have 8. I read about the PAE thing, and it is enabled on my system but it still limited to 3.4 ...
0
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0answers
26 views

Xen E820 memory map for domU kernels

How does xen handle E820 memory map for domU kernels? In my specific problem I am trying to map Non-Volatile RAM to domU kernels. The dom0 memory map returns the following relevant parts. ...
0
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1answer
38 views

Virtual Machines: What components should I upgrade to improve running virtual machines?

at work I need to have one or sometimes two instances of a vmware virtual Windows 7 machine running on my real Windows 7 machine. The computer I'm using is Dell Precision 490 from 2009 I believe, ...
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0answers
79 views

How do I know my video card is good enough for running bluestacks

I run bluestacks and I keep seeing initializing. Some says that bluestacks require high end video card. My video card is: NVIDIA GeForce 210 according to belarc advisor. Should I buy better video ...
1
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0answers
28 views

Computer crashes twice/thrice before booting into windows [closed]

I need help. i built a PC, and it behaves very strangely. When i press the power button, the lights come on, fan maxes out, HDD spins, bios shows up etc and then it immediately crashes (powers down) ...
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0answers
31 views

Rail's FileStore with Linux Disk Caching or RAMdisk?

I have a Ruby on Rails application that stores it's catched files on the filesystem (Rails file-system cache). I was thinking about changing to memcached Store, but a short test shows it isn't a big ...
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0answers
630 views

Increase maximum locked memory for unprivileged user

I am trying to configure Ardour3 for Ubuntu Trusty 64. I get the following error: I have tried: root ulimit editing limits.conf This is my /etc/security/limits.conf: # ...
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3answers
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Mix RAM with different clock rates

I have two PC3200U modules and two PC2700 DDR modules. My mainboard supports both types and has 4 slots which are each color coded. So if I put each pair in the slots of the same color I'm good right? ...
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3answers
63 views

What is the swap file for?

I don't get it why is that the more RAM memory you have, the larger the swap file is. Shouldn't it be the other way around? I was under the impression that HDD space is used when there isn't enough ...
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0answers
30 views

Analyzing the actions of a running program

Do you know a Windows software (or several) that can analyze what a running program is doing ? For example, detecting if the program is connecting to the Internet (and to what), of sending data via ...
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4answers
49 views

Adding more ram to computer, what kind can I buy

So I've been looking to add more ram to my PC (I have 2 empty slots), and I just want to make sure I don't buy something I can't use, but at the same time want to get a good deal if possible. I read ...
0
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1answer
16 views

Memory for ASUS 1005 HAB

What is maximum memory I can put in an ASUS 1005 HAB laptop? It presently has 1 GB, can I go to 2 GB and what is the memory specification to order? I want to upgrade to System 7.